WO2017109069A1 - Sauerstoffreduzierungsanlage und verfahren zum betreiben einer sauerstoffreduzierungsanlage - Google Patents
Sauerstoffreduzierungsanlage und verfahren zum betreiben einer sauerstoffreduzierungsanlage Download PDFInfo
- Publication number
- WO2017109069A1 WO2017109069A1 PCT/EP2016/082373 EP2016082373W WO2017109069A1 WO 2017109069 A1 WO2017109069 A1 WO 2017109069A1 EP 2016082373 W EP2016082373 W EP 2016082373W WO 2017109069 A1 WO2017109069 A1 WO 2017109069A1
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- WO
- WIPO (PCT)
- Prior art keywords
- gas
- oxygen
- compressed gas
- oxygen reduction
- outlet
- Prior art date
Links
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 434
- 239000001301 oxygen Substances 0.000 title claims abstract description 434
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 434
- 230000009467 reduction Effects 0.000 title claims abstract description 200
- 238000000034 method Methods 0.000 title claims description 43
- 239000007789 gas Substances 0.000 claims abstract description 902
- 238000000926 separation method Methods 0.000 claims abstract description 257
- 239000000203 mixture Substances 0.000 claims abstract description 171
- 239000011261 inert gas Substances 0.000 claims abstract description 48
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 120
- 229910052757 nitrogen Inorganic materials 0.000 claims description 62
- 239000012530 fluid Substances 0.000 claims description 22
- 238000011144 upstream manufacturing Methods 0.000 claims description 22
- 238000001514 detection method Methods 0.000 claims description 12
- 230000001419 dependent effect Effects 0.000 claims description 10
- 238000000429 assembly Methods 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 6
- 230000003068 static effect Effects 0.000 claims description 6
- 230000004913 activation Effects 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 4
- 150000002829 nitrogen Chemical class 0.000 claims description 4
- 238000000137 annealing Methods 0.000 claims 1
- 239000003570 air Substances 0.000 description 10
- 230000006835 compression Effects 0.000 description 10
- 238000007906 compression Methods 0.000 description 10
- 230000006870 function Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 230000002265 prevention Effects 0.000 description 6
- 230000001105 regulatory effect Effects 0.000 description 6
- 239000000779 smoke Substances 0.000 description 6
- 239000012510 hollow fiber Substances 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 239000012528 membrane Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000012795 verification Methods 0.000 description 4
- 238000006424 Flood reaction Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000012080 ambient air Substances 0.000 description 3
- 238000009530 blood pressure measurement Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 238000012549 training Methods 0.000 description 3
- 241001465754 Metazoa Species 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000004320 controlled atmosphere Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910052756 noble gas Inorganic materials 0.000 description 2
- 150000002835 noble gases Chemical class 0.000 description 2
- 206010021143 Hypoxia Diseases 0.000 description 1
- 241000272534 Struthio camelus Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 230000033558 biomineral tissue development Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 230000007954 hypoxia Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C99/00—Subject matter not provided for in other groups of this subclass
- A62C99/0009—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames
- A62C99/0018—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames using gases or vapours that do not support combustion, e.g. steam, carbon dioxide
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C99/00—Subject matter not provided for in other groups of this subclass
Definitions
- the present invention relates to an oxygen reduction plant and a method for operating such a plant.
- An oxygen reduction system of the type according to the invention is used in particular for the controlled reduction of the oxygen content in the atmosphere of an enclosed area.
- the oxygen reduction system to a gas separation system for providing an oxygen-reduced gas mixture or an inert gas and a conduit system which is fluidly connected or connectable to the gas separation system and with the enclosed area, if necessary, at least a portion of the gas mixture or gas provided by the gas separation system enclosed area.
- the method according to the invention or the installation according to the invention serves, for example, to reduce the risk and extinguish fires in a protected area to be monitored, whereby the enclosed space is also permanently inertised at different levels of reduction for fire prevention or fire fighting.
- the basic principle of the inertization technique for fire prevention is based on the recognition that in enclosed spaces, which are only occasionally entered by humans or animals and whose equipment is sensitive to water reacts the action, the risk of fire can be countered by the fact that the oxygen concentration is lowered in the affected area to a value of, for example, about 15 vol .-%. With such a (reduced) oxygen concentration, most flammable materials can no longer ignite.
- the main area of application of this inertization technique for fire prevention is also computerized areas, electrical control and distribution rooms, enclosed facilities and storage areas with particularly high-value assets.
- the resulting in this method fire prevention effect is based on the principle of oxygen displacement.
- Normal ambient air is known to consist of 21% by volume of oxygen, 78% by volume of nitrogen and 1% by volume of other gases.
- an oxygen-displacing gas such as nitrogen
- the oxygen content in the roughness atmosphere of the enclosed space is reduced. It is known that a fire prevention effect already starts when the oxygen content falls below the oxygen content in the normal ambient air.
- further lowering of the oxygen content to, for example, 12% by volume may be required.
- Another application example for the oxygen reduction system according to the invention or the method according to the invention is the provision of training conditions for hypoxia training in an enclosed space, in which the oxygen content is reduced.
- training conditions for hypoxia training in an enclosed space in which the oxygen content is reduced.
- such a room training under artificially created height conditions is possible, which is also called “normobaric Hypoxietraining”.
- CA Controlled Atmosphere
- An oxygen reduction system of the type mentioned above is known in principle from the prior art.
- an inerting system is described, which is designed to reduce the oxygen content in an enclosed space to a certain basic mineralization level and, in the event of a fire, to further reduce the oxygen content rapidly to a certain level of full inertisation.
- the term "basic inertization level" as used herein means a reduced oxygen level in comparison to the oxygen level of the normal ambient air, although this reduced oxygen level does not pose any risk to persons or animals, so that they - at least for a short time - still make the permanently inertized zone problem-free
- the basic inertization level may correspond to an oxygen content in the enclosed range of 15 to 17% by volume.
- full inertization level is to be understood as meaning a further reduced oxygen content in comparison to the oxygen content of the basic inertization level, at which the flammability of most materials has already been reduced to such an extent that they can no longer ignite, depending on the fire load present in the affected area the Vollinertmaschinesmen is usually at about 12 to 14 vol .-% oxygen concentration.
- a corresponding inert gas source In order to equip an enclosed area with an oxygen reduction system, on the one hand, a corresponding inert gas source must be provided in order to be able to provide the oxygen-reduced gas mixture or inert gas to be introduced into the enclosed space.
- the discharge capacity of the inert gas source, d. H. the amount of inert gas which can be provided by the inert gas source per unit time should be adapted to properties of the enclosed area, in particular to the volume of space and / or the air-tightness of the enclosed area.
- the oxygen reduction system is used as a (preventive) fire protection measure, it must be ensured in particular that, in the event of fire, a sufficient amount of inert gas can be introduced into the room atmosphere of the enclosed area within the shortest possible time, so that the extinguishing effect is as rapid as possible.
- the oxygen-reduced gas mixture or inert gas to be introduced in the enclosed area could be stored in a high-pressure bottle battery or similar compressed gas storage, in practice, at least part of the oxygen-reduced gas mixture "to be provided by the inert gas source has prevailed on site in particular, because the storage of inert gas in gas cylinder batteries or the like compressed gas storage requires special structural measures.
- the inert gas source In order to be able to "produce" at least part of the oxygen-reduced gas mixture or inert gas to be provided by the inert gas source, the inert gas source usually has a gas separation system in which at least one part, in addition to a high-pressure bottle battery or similar compressed gas reservoir an oxygen contained in an initial gas mixture supplied to the gas separation system is separated, so that an oxygen-reduced gas mixture is provided at an outlet of the gas separation system.
- starting gas mixture generally refers to a gas mixture which, in addition to the constituent oxygen, in particular also contains nitrogen and possibly further gases (for example noble gases) However, it is also conceivable that a part of the room air contained in the enclosed area is used as initial gas mixture, this being Part of room air preferably still fresh air is added.
- the gas separation system serves, in particular, to keep an oxygen content reduced in the room atmosphere of an enclosed space at the corresponding level. Accordingly, the discharge capacity of the gas separation system, ie the amount of the oxygen-reduced gas mixture which can be provided per unit time at the outlet of the gas separation system, is adapted in particular to the tightness of the space envelope of the enclosed area, so that a corresponding retaining flooding can be realized via the gas separation system.
- the usual oxygen reduction systems are usually lent addition to the gas separation system provided with a compressed gas storage in which an oxygen-reduced gas mixture or inert gas is stored in compressed form.
- the gas mixture or inert gas stored in this compressed gas storage serves, in particular, to quickly reduce the oxygen content in the corresponding enclosed area in order to rapidly reduce the oxygen concentration in the event of a fire.
- the present invention is based on the problem that after triggering a conventional oxygen reduction system, d. H. when the oxygen-reduced gas mixture or inert gas stored in the compressed gas storage in compressed form has been introduced into the enclosed space for quick or initial lowering, an exchange of the then emptied or partially emptied compressed gas reservoir with a full compressed gas reservoir is necessary to ensure that with the oxygen reduction system again at a later time a quick setback according to a predetermined event sequence is feasible.
- the replacement or replacement of at least one compressed gas container of the compressed gas storage can be realized only with increased effort, since the compressed gas storage of an oxygen reduction system is often not freely accessible.
- this circumstance leads to the fact that the running operating costs of an oxygen-reducing plant are often relatively high.
- the present invention has the object to further develop an oxygen reduction system of the type mentioned in that the running operating costs in operating the oxygen reduction system can be further reduced without the effectiveness or efficiency of the oxygen reduction system is impaired.
- an oxygen reduction system which has at least one gas separation system for providing an oxygen-reduced gas mixture as needed at an outlet of the gas separation system and a compressed gas reservoir for storing an oxygen-reduced gas mixture or inert gas in compressed form.
- the compressed gas storage device is fluidly connected or connectable via a line system with at least one enclosed area in order to supply at least a portion of the gas mixture or inert gas stored in the compressed gas store to the at least one enclosed area as required.
- the outlet of the gas separation system is selectively fluidly connected or connectable to an inlet of the compressed gas reservoir or to the at least one enclosed space to supply the gas mixture provided at the outlet of the gas separation system to the compressed gas reservoir and / or the at least one enclosed region as required.
- the gas separation system serves for refilling at least one pressurized gas container of the compressed gas storage. This is necessary, for example, when at least part of the oxygen-reduced gas mixture or inert gas stored in the compressed gas reservoir has previously been introduced into the room atmosphere of the enclosed area in order to rapidly lower the oxygen concentration to a specific inerting level there, for example.
- the compressed gas storage or at least one compressed gas tank of the compressed gas storage can be filled again with an oxygen-reduced gas mixture, it is no longer necessary to replace the compressed gas storage or the at least one compressed gas tank of the compressed gas storage or even with the help of an external system to refill.
- the solution according to the invention is also suitable for enclosed areas that are difficult to access, such as in remote areas.
- the compressed gas reservoir or the compressed gas container (s) of the compressed gas reservoir can now be transported and set up even when empty, which considerably simplifies transport and installation.
- the compressed gas reservoir or the compressed gas container (s) of the compressed gas reservoir is / are first filled with an oxygen-reduced gas mixture before being put into operation on site with the aid of the gas separation system.
- the gas separation system is preceded by a compressor system via which an initial gas mixture to be supplied to the gas separation system is compressed.
- the degree of compression of the starting gas mixture is 1 to 2 bar or 8 to 10 bar.
- the gas separation system is designed to separate off at least part of the oxygen contained in this gas mixture from the starting gas mixture fed in.
- the gas separation system is configured to operate in either a VPSA mode or a PSA mode.
- the term "initial gas mixture” as used herein generally refers to a gas mixture which, in addition to the constituent oxygen, also contains, in particular, nitrogen and possibly also further gases, such as, for example, noble gases. which consists of 21% by volume of oxygen, 78% by volume of nitrogen and 1% by volume of other gases, but it is also conceivable that a portion of the room air contained in the enclosed area is used as the initial gas mixture Preferably this fresh air is added to this proportion of room air.
- a gas separation system operating in a VPSA mode is generally understood to mean a system utilizing a vacuum pressure swing absorption (VPSA) to provide nitrogen-enriched air. According to the invention comes in the
- Oxygen reduction system as a gas separation system preferably such a VPSA system is used, which, however, if necessary, operated in a PSA mode.
- PSA pressure swing absorption
- pressure swing absorption technique which is commonly referred to as pressure swing absorption technique.
- the degree of compression of the starting gas mixture effected by the compressor system upstream of the gas separation system is correspondingly increased.
- the degree of compression is increased, in particular to a value which depends on the amount of oxygen-reduced gas mixture to be provided per unit time.
- the increase in the compression of the starting gas mixture carried out by the compressor system is carried out in particular in a fire, ie when, for example, in the room atmosphere of the enclosed area a fire characteristic is detected, or if for another reason in the short term, the oxygen content in the room atmosphere of the enclosed area compared is to be further reduced to a previously set or held oxygen content.
- the increase in the compression performed by the compressor system for example, also takes place when the compressed gas storage or the or the compressed gas tank of the compressed gas storage must be refilled with an oxygen-reduced gas mixture / must.
- the gas separation system has at least one nitrogen generator or a plurality of nitrogen generators connected in parallel with one another.
- the at least one nitrogen generator is, for example, a nitrogen generator operated according to the PSA or VPSA technology.
- a PSA / VPSA based nitrogen generator has at least one adsorber vessel with adsorbent material designed to adsorb oxygen molecules when an oxygen-containing gas is passed through the adsorber vessel.
- the gas separation system can also have at least one nitrogen generator based on membrane technology. In such a nitrogen generator usually a membrane system is used in which it is exploited that different gases diffuse at different speeds through certain materials.
- the gas separation system is designed as a mobile system, which can be removed from the oxygen reduction system as needed.
- this further comprises a compressor system upstream of the gas separation system for compressing a starting gas mixture to be supplied to the gas separation system.
- the compressor system upstream of the gas separation system it is conceivable to design the compressor system upstream of the gas separation system as a mobile system which can be removed from the oxygen reduction system and / or the gas separation system as required.
- a compressor system is provided between the outlet of the gas separation system and the inlet of the compressed gas reservoir for compressing the oxygen-reduced gas mixture supplied at the outlet of the gas separation system and supplied to the compressed gas tank or the compressed gas tank or compressed gas tank of the compressed gas tank as required.
- the compressor system provided between the outlet of the gas separation system and the inlet of the compressed gas storage system as a mobile system, which can be removed as required from the oxygen reduction system and / or the gas separation system.
- a line system via which the outlet of the gas separation system can optionally be fluidly connected or connectable to an inlet of the compressed gas store and / or to the at least one enclosed area.
- the line system can at least partially coincide with the line system, via which the compressed gas storage is fluidly connected or connectable to the at least one enclosed area.
- the line system, via which the outlet of the gas separation system optionally with an inlet of the compressed gas storage and / or with the at least one enclosed area fluidly connected or connectable be at least partially formed as a mobile system, which is, if necessary, removable from the oxygen reduction system and / or the gas separation system.
- this further comprises a valve system having a first valve arrangement, wherein the first valve arrangement is designed to form and / or disconnect a fluid connection between the outlet of the gas separation system and the inlet of the compressed gas storage.
- this further comprises a valve system having a second valve arrangement, wherein the second valve arrangement is designed to form and / or disconnect a fluid connection between an outlet of the compressed gas reservoir and the at least one enclosed area.
- this further comprises a valve system having a third valve arrangement, wherein the third valve arrangement is designed to form and / or disconnect a fluid connection between the outlet of the gas separation system and the at least one enclosed area.
- valve system of the aforementioned various embodiments of the oxygen reduction system according to the invention may be at least partially designed as a mobile system, which is, if necessary, removable from the oxygen reduction system and / or the gas separation system.
- the compressed gas reservoir has at least one inlet and at least one outlet, wherein the inlet of the compressed gas reservoir and the outlet of the compressed gas reservoir are connected via a connector piece to the interior of the compressed gas reservoir.
- the connector piece can be embodied as a connector piece that is common with regard to the at least one inlet and the at least one outlet.
- the connector piece can be designed as a T or Y piece.
- the connector piece may be formed in a container valve of the compressed gas reservoir.
- pilot ports are typically used to serially trigger the next one with a pressurized gas container. When triggered in parallel, their function is eliminated.
- this further comprises a control device for preferably coordinated activation of controllable components of the oxygen reduction system.
- the controller may be configured to control a valve system of the oxygen reduction system such that the outlet of the gas separation system is preferably only fluidly connected to the inlet of the compressed gas reservoir if there is no fluid connection between the outlet of the compressed gas reservoir and the at least one enclosed region and / or none fluid connection between the outlet of the gas separation system and the at least one enclosed area exists.
- this further comprises a sensor unit for coordinating the provision of the oxygen-reduced gas mixture at the outlet of the gas separation system, for coordinating the supply of the oxygen-reduced gas mixture provided at the outlet of the gas separation system to the compressed gas storage, for coordinating the supply of the at the outlet of Gas-reduced gas mixture provided to the gas separation system to the at least one enclosed area and / or for coordinating the supply of the in the
- the oxygen reduction system has at least one pressure sensor assigned to the pressure sensor for on-demand or continuous detection of a preferably static and / or dynamic gas pressure of the stored in the compressed gas storage oxygen-reduced gas mixture or inert gas.
- the latter has at least one pressure sensor assigned to the at least one enclosed area for the demand-based or continuous detection of a preferably static gas pressure in the room atmosphere of the enclosed area.
- this has at least one pressure sensor for detecting a preferably dynamic and / or static gas pressure at the inlet of the compressed gas reservoir, in particular when supplying the gas mixture provided at the outlet of the gas separation system to the compressed gas reservoir.
- the latter has at least one temperature sensor assigned to the compressed gas storage for the demand-based or continuous detection of a temperature of the oxygen-reduced gas mixture or inert gas stored in the compressed gas storage.
- the latter has at least one sensor associated with the gas separation system for detecting an oxygen residual concentration as required or continuously in the oxygen-reduced gas mixture provided at the outlet of the gas separation system.
- the at least one gas separation system has a first operating mode in which, if required, an oxygen-reduced gas mixture is supplied to the compressed gas reservoir or to at least one pressurized gas container of the compressed gas reservoir, and a second operating mode in which, if necessary, an oxygen-reduced gas mixture to at least one enclosed area is supplied, wherein the first and second operating mode preferably by a control device and more preferably automatically, in particular optionally automatically, are adjustable by a control device.
- the at least one gas separation system is preceded by a compressor Assigned to the system, wherein the upstream compressor system, a first operating mode in which, if necessary, an oxygen-reduced gas mixture to the compressed gas storage or to at least one compressed gas tank of the compressed gas storage is supplied, and a second operating mode in which, if necessary, an oxygen-reduced gas mixture supplied to at least one enclosed area is, wherein the first and second operating mode preferably by a control device and more preferably automatically, in particular optionally automatically, are adjustable by a control device.
- the outlet of the gas separation system is connected or connectable via a valve to a first manifold.
- the first manifold and / or the valve are designed as a mobile system / which is, if necessary, removable from the oxygen reduction system and / or the gas separation system.
- the compressed gas reservoir has a plurality of spatially separated, parallel to each other compressed gas containers with at least one, preferably in each case a container valve.
- a first line section is provided, via which the respective container valve of the compressed gas container is fluidly connected to a first manifold.
- the container valve of a preferably each of the plurality of compressed gas containers is preferably in each case connected in fluid communication with a second manifold via a second line section.
- the second manifold and / or the valve is / are designed as a mobile system, which is removable as needed from the oxygen reduction system and / or the gas separation system.
- a control device which is designed, preferably automatically and more preferably optionally automatically corresponding to
- the output of the at least one gas separation system can be fluidly connected to the inlet of at least one compressed gas container if there is a fluid connection between the outlet of at least one further compressed gas container and the at least one enclosed region.
- a control device is provided which is designed, preferably automatically and more preferably optionally automatically corresponding to
- Coordinated control of the oxygen-reducing system associated valve assemblies such that upon detection of a predetermined or definable minimum pressure and / or falls below a predetermined or definable minimum pressure in at least one of the compressed gas tank selectively a mungsmit connection between the inlet of the at least one compressed gas tank and the outlet of the gas separation system is trained.
- At least one pressurized gas container is provided with a non-return valve, in particular in the form of a check valve, for blocking a gas flow from a line system extending between the pressurized gas container and the enclosed region to the pressurized gas container.
- a non-return valve in particular in the form of a check valve
- At least one pressurized gas container is provided with a non-return valve, in particular in the form of a check valve, for blocking a gas flow from the pressurized gas container to a line system extending between the outlet of the at least one gas separation system and the pressurized gas container.
- at least one of the plurality of pressurized gas containers has a container valve with a preferably pneumatically actuated quick release valve arrangement for forming a fluid connection between the corresponding compressed gas container and a line system extending between the pressurized gas container and the enclosed region as required. Conceivable in this
- the gas separation system has a first gas separator, for example in the form of a nitrogen generator, and at least one further, second gas separator, for example likewise in the form of a nitrogen generator.
- first gas separator is designed as a stationary gas allevator
- the at least one second gas separator being designed as a mobile gas separator.
- the first and the at least one second gas separator are each designed as stationary provided gas separators.
- the first and the at least one second gas separator are each designed as mobile gas separators.
- a sensor device for monitoring the residual oxygen content of the oxygen-reduced gas mixture provided at the outlet of the gas separation system. It is conceivable in this case if a control device is provided which is designed to supply the oxygen-reduced gas mixture provided at the outlet of the gas separation system only to the compressed gas reservoir or at least to a compressed gas container of the compressed gas reservoir, if the residual oxygen content of the oxygen-reduced gas mixture provided at the outlet of the gas separation system has a does not exceed a predetermined or definable threshold.
- the nitrogen concentration of the oxygen-reduced gas mixture which can be provided at the outlet of the gas separation system can be switched between at least two predefined or definable values. It is conceivable here, if the gas separation system is designed to provide an oxygen-reduced gas mixture with a first nitrogen concentration at the outlet of the gas separation system, if the oxygen-reduced gas mixture provided at the outlet of the gas separation system is to be supplied to the at least one enclosed region, and at the outlet of the gas separation system an oxygen red - provided with a second nitrogen concentration when the oxygen-reduced gas mixture provided at the outlet of the gas separation system is to be supplied to the compressed gas storage or at least to a pressurized gas container of the compressed gas storage.
- the first nitrogen concentration is lower than the second nitrogen concentration.
- the second nitrogen concentration is at least 99 vol. -%.
- a compressor system is provided between the outlet of the gas separation system and the inlet of the compressed gas reservoir to, if necessary, to compress the oxygen-reduced gas mixture provided at the outlet of the gas separation system and supplied to the compressed gas reservoir or at least one compressed gas container of the compressed gas reservoir.
- Such a compression is required, for example, when the pressure of the gas mixture provided at the outlet of the gas separation system is insufficient to achieve the desired compression for the storage of the gas mixture in the compressed gas reservoir.
- the compressor system which is provided as needed, in order to further compress the oxygen-reduced gas mixture supplied to the outlet of the gas separation system and / or to at least one compressed gas container of the compressed gas storage, is preferably designed as a mobile system which, if necessary, and in particular if a filling of the compressed gas storage or at least one compressed gas tank of the compressed gas storage is not required or is not carried out, can also be completely removed from the oxygen reduction system.
- the oxygen-reduced gas mixture is provided in particular by a gas separation system, wherein the compressed gas reservoir is in particular a compressed gas cylinder or a pressurized gas cylinder.
- the compressed gas storage has any external shape taking into account the spatial conditions on site and thus ensures optimum utilization of the available space volume.
- the gas separation system or only the gas separation system is designed as a mobile system, which can be removed from the oxygen reduction system (locally) as needed.
- the term “mobile system” is understood to mean in particular a component which is integrated in the oxygen reduction system such that this component can be removed from the system without much effort
- the valve has a valve system with first, second and third valve arrangements
- the second valve arrangement of the valve system is designed to be connected between the outlet of the compressed gas storage device and the at least one enclosed gas outlet
- the third valve assembly is configured to form or separate, as required, a fluid connection between the outlet of the gas separation system and the at least one enclosed region.
- the inlet of the compressed gas storage and the outlet of the compressed gas storage connected via a preferably common connector piece, in particular in the form of a T or Y-piece, with the interior of the compressed gas storage are.
- the oxygen reduction system preferably has a control device.
- This control device is designed, in particular, to control the individual valve arrangements of the valve system in such a way that the outlet of the gas separation system is only fluidically connected to the inlet of the compressed gas reservoir or to the inlet of at least one compressed gas container of the compressed gas reservoir, if there is no fluid connection between the outlet of the compressed gas reservoir Preserved compressed gas reservoir and the at least one enclosed area and / or if there is no fluid connection between the outlet of the gas separation system and the at least one enclosed area.
- two or even three separate control devices may be provided: one for establishing the connection between the outlet of the gas separation system and the compressed gas storage or at least one compressed gas container of the compressed gas storage (refilling control) and one or two further Establishing or disconnecting the connections between the outlet of the compressed gas storage tank and the enclosed space (control of the initial and rapid lowering and full inertisation) and between the outlet of the gas separation system and the enclosed space (control of the basic inerting or keeping of an oxygen concentration in the enclosed space ).
- the control device is assigned a sensor unit.
- the sensor unit is formed with at least one pressure sensor and / or at least one temperature sensor.
- the pressure sensor and / or the temperature sensor stood, in particular the filling state or degree of filling, the compressed gas storage or at least one compressed gas container of the compressed gas storage is measurable.
- an increase in temperature in the compressed gas reservoir or in at least one compressed gas container of the compressed gas reservoir may occur, resulting in incomplete filling of the compressed gas reservoir with an oxygen-reduced gas mixture as a result of a subsequent temperature decrease after refilling and a concomitant decrease in pressure.
- the control device controls the draining of oxygen-reduced gas mixture from the compressed gas reservoir, so that damage to the compressed gas reservoir is prevented.
- the at least one gas separation system and / or the upstream compressor system has a first operating mode and a second operating mode to supply oxygen-reduced gas mixture to the compressed gas reservoir or at least to a pressurized gas container of the compressed gas reservoir and / or the at least one enclosed region as required.
- a first operating mode and a second operating mode to supply oxygen-reduced gas mixture to the compressed gas reservoir or at least to a pressurized gas container of the compressed gas reservoir and / or the at least one enclosed region as required.
- the first and second operating modes are each individually or both operating modes simultaneously executable by means of a separate gas separation system.
- the gas separation system or the operating mode of the at least one gas separation system and / or the upstream compressor system is preferably controllable by the control device, in particular automatically.
- the filling of the compressed gas reservoir or at least one pressurized gas container of the compressed gas reservoir with an oxygen-reduced gas mixture usually has a higher nitrogen content. Concentration of the oxygen-reduced gas mixture takes place when it is necessary for the oxygen-reduced gas mixture which is supplied to the enclosed area. In this way, the oxygen-reduced gas mixture produced in the first operating mode of the gas separation system with a high nitrogen concentration, preferably with a nitrogen concentration of 99.5% by volume, can be used for the refilling of the compressed gas storage.
- this produced in the first mode of operation of the gas separation system oxygen-reduced gas mixture at the same time for supplying the enclosed area with oxygen-reduced gas mixture, which for this purpose to a sufficient nitrogen concentration, in particular a nitrogen concentration of 95 vol .-%, can be diluted become.
- the control device offers the possibility of operating the gas separation system in a second mode of operation, whereby oxygen-reduced gas mixture having a sufficient nitrogen concentration, preferably a nitrogen concentration of 95% by volume, is made available for the supply to the enclosed area.
- a portion of the generated oxygen-reduced gas mixture is supplied via a bypass to the enclosed area.
- the fluid connection between the outlet of the gas separation system and the enclosed area in connection with the third valve arrangement can be used as a bypass.
- the bypass preferably comprises a suitable diaphragm in order to reduce the nitrogen concentration of the oxygen-reduced gas mixture to be introduced into the enclosed region to a sufficient level, for example by mixing with starting gas mixture. Due to the advantageous control of the gas separation system, preferably automatically by the control device, the gas separation system can be operated efficiently and the oxygen-reduced gas mixture can be used optimally depending on the concentration provided.
- a gas separation system in a first operating mode for refilling the Use compressed gas storage and in particular in parallel by means of the other gas separation system in a second mode of operation, oxygen-reduced gas mixture, which has an appropriate, sufficient nitrogen concentration, to supply an enclosed area.
- a common or in each case an upstream compressor system can if necessary be provided for several gas separation systems.
- the compressed gas reservoir has a plurality of compressed gas containers spatially separated from one another and connected in parallel with at least one, preferably in each case one container valve.
- a first and a second manifold are provided.
- the outlet of the gas separation system is connected or connectable via a valve to the first manifold, while for preferably each of the plurality of compressed gas containers, a first line section is provided, via which the respective container valve of the one or more compressed gas containers is fluidly connected to the first manifold ,
- the container valve of a preferably each of the plurality of compressed gas containers is further fluidly connected in each case via a second line section with the already mentioned second manifold.
- the second manifold itself is connected via a valve, in particular area valve, with the at least one enclosed area fluidly connected or connectable.
- the valve via which the outlet of the gas separation system is connected or connectable to the first manifold, forms the aforementioned first valve arrangement.
- the valve via which the second manifold is fluidly connected or connectable to the at least one enclosed area is part of the second valve arrangement when the oxygen reduction system is associated with a plurality of enclosed areas.
- the valve, via which the second manifold is fluidly connected or connectable to the at least one enclosed area forms the second valve arrangement.
- several compressed gas containers in the form of compressed gas cylinders or with any geometric outer shape, for example via flexible hose connections or rigid connections, such.
- pipe connections are connected to each other in terms of flow, wherein a common container valve is provided per union of compressed gas tank to a unit.
- a common container valve is provided per union of compressed gas tank to a unit.
- the inventive oxygen reduction system is particularly suitable for reducing the oxygen content in the room atmosphere or keeping it at a reduced value in the case of a plurality of spatially separated regions. Therefore, according to an embodiment of the present invention, the oxygen reduction system is associated with a plurality of spatially separated areas, wherein the aforementioned second valve arrangement for each of the plurality of areas has an associated valve (in particular area valve) via which the second manifold is connected to the corresponding is connected fluidly connected or connectable, if necessary, an oxygen-reduced gas mixture or inert gas zuzu sleep this area listen.
- the control device controls the individual valve arrangements in such a coordinated manner that the outlet of the at least one gas separation system can be fluidly connected to the inlet of at least one compressed gas container if the outlet of at least one further, other compressed gas container the at least one enclosed area is connected in terms of flow. Consequently, the control device, in particular in connection with the sensor unit, is designed to selectively fill compressed gas containers with an oxygen-reduced gas mixture while at least one enclosed region can supply oxygen-reduced gas mixture from further compressed gas containers.
- this can ensure a resource-friendly and time-optimized refilling of the compressed gas containers with oxygen-reduced gas mixture, while at the same time a concentration or a concentration control range of oxygen-reduced gas mixture in the enclosed area can be maintained. Furthermore, the selective filling and control of the pressurized gas containers by the control device also provides improved reliability of the oxygen reduction system.
- the control device is designed such that upon detection of a previously determinable minimum pressure and / or below a previously determinable minimum pressure in at least one of the plurality of compressed gas tanks or the compressed gas storage selectively a flow connection between the outlet of the gas separation system and the affected Druckgasbe- container or the compressed gas storage is present or can be produced.
- the minimum pressure is freely selectable and serves to mark the at least partial or complete emptying of a compressed gas tank.
- the control device can determine a user-defined status or threshold value for refilling a compressed gas container or the compressed gas reservoir on the basis of the minimum pressure and, if appropriate, initiate a corresponding refilling.
- the compressed gas storage when the control device detects a minimum pressure or falling below in at least one of the compressed gas container based on the sensor unit and a refilling of the compressed gas container with oxygen-reduced gas mixture by the control device preferably automatically starts.
- the invention is not limited to an oxygen reduction system, but also relates to a method for operating an oxygen reduction system, in particular an oxygen reduction system of the type according to the invention described above.
- a compressed gas storage an oxygen-reduced gas mixture or inert gas is stored in compressed form .
- at least a portion of the pressure gas reservoir or in at least one pressurized gas reservoir is then at least container of the compressed gas storage in compressed form stored gas mixture or inert gas supplied to the enclosed area and that by the compressed gas storage or at least one compressed gas tank of the compressed gas storage is fluidly connected to the enclosed area.
- an oxygen-reduced gas mixture provided at an outlet of a gas separation system is supplied to the enclosed area in a controlled manner while the outlet of the gas separation system is fluidly connected to the enclosed area.
- At least part of the gas mixture or inert gas stored in compressed gas in the compressed gas reservoir or in the at least one pressurized gas container of the compressed gas reservoir is enclosed in the enclosed region during the initial lowering or rapid lowering of the oxygen content in the enclosed region the oxygen concentration in the enclosed area does not fall below a first value predefined or determinable in particular as a function of the fire load of the enclosed area and does not exceed a likewise predetermined or definable second value, the second value being less than the value of the oxygen concentration in the normal atmosphere and larger than the first value.
- the oxygen-reduced gas mixture provided at the outlet of the gas separation system can be supplied in a regulated manner to the enclosed area in a regulated manner. it is guided that the oxygen concentration in the enclosed area does not fall below the first value predefined or definable, in particular depending on the fire load of the enclosed area, and does not exceed the predetermined or determinable second value.
- the first and second predetermined or determinable oxygen concentration values herein correspond to lower and upper limits of a baseline inerting level of the enclosed region.
- the oxygen-reduced gas mixture provided at the outlet of the gas separation system is supplied to the enclosed area in a regulated manner only if during or after the first lowering or rapid lowering preferably automatically, in particular by means of at least one fire detector, and / or manually, in particular by actuation of a corresponding switch, it is verified that there is no fire in the enclosed area.
- Compressed gas tank of the compressed gas storage in compressed form stored gas mixture or inert gas supplied to the enclosed area namely by the compressed gas storage or the at least one compressed gas tank of the compressed gas storage is fluidly connected to the enclosed area.
- the oxygen content in the room atmosphere of the enclosed area is further reduced until the oxygen concentration in the enclosure is reduced
- Range reaches a predetermined or definable target concentration, which corresponds to a nitrogen concentration which is at least equal to an extinguishing gas concentration dependent on the fire load of the enclosed space.
- the predetermined or definable target oxygen concentration in the enclosed area preferably corresponds to a full inertization level.
- the predetermined or definable target oxygen concentration in the enclosed area is maintained (hold flooding) by one at the outlet of the gas separation system supplied oxygen-reduced gas mixture is supplied in a controlled manner to the enclosed area, by the outlet of the gas separation system is fluidly connected to the enclosed area.
- hold flooding at least partially a refilling of the compressed gas reservoir or at least one compressed gas tank of the compressed gas reservoir takes place during this retaining flooding, namely by the outlet of the gas separation system with the compressed gas storage or with the at least one compressed gas tank of the compressed gas storage is fluidly connected.
- the enclosed area is preferably monitored continuously or at predetermined times or events with regard to the occurrence of at least one fire parameter.
- at least the first or rapid lowering is preferably initiated automatically as soon as at least one fire parameter is detected.
- a control device which is in particular designed to coordinate or regulate the filling of the compressed gas reservoir or at least one compressed gas container of the compressed gas reservoir.
- the at least partial refilling The pressure gas reservoir or the at least one pressurized gas container of the compressed gas reservoir can in particular also be carried out while in parallel the reduced oxygen content is maintained in the enclosed region and / or the oxygen content in the enclosed region is further reduced.
- this invention aspect is based on the knowledge that when filling the compressed gas storage, especially if this is designed in the form of a compressed gas cylinder battery, different conditions must be met in order to properly and safely fill the individual gas cylinders of the bottle battery with the gas provided by the gas separation system.
- FIG. 1 shows schematically a first exemplary embodiment of the oxygen reduction system according to the invention
- FIG. 2 schematically shows a second exemplary embodiment of the oxygen reduction system according to the invention
- FIG. 3 schematically a container valve arrangement, via which in the exemplary embodiments the respective compressed gas containers are connected or connectable to the first and second manifolds of the oxygen reduction system;
- FIG. 4 shows schematically a third exemplary embodiment of the oxygen reduction system according to the invention
- FIG. 5a shows schematically a block diagram for illustrating various exemplary connections of a control device of an exemplary embodiment of the oxygen reduction system according to the invention with components of the oxygen reduction system;
- FIG. 5b also schematically shows a block diagram illustrating various exemplary connections of a control device of an exemplary embodiment of the inventive oxygen reduction system with grouped components of the oxygen reduction system;
- FIG. 6 schematically illustrates a flowchart of an exemplary control sequence for controlling an oxygen reduction system according to an exemplary embodiment of the invention.
- the present invention is based on the problem that after the initiation of a conventional oxygen reduction system, i. H. if the oxygen-reduced gas mixture or inert gas, which is stored in compressed form in a compressed gas storage, was passed into a confined space for rapid or initial lowering, then usually the compressed gas storage then emptied must be exchanged. In many cases, however, an exchange of the compressed gas storage can be realized only with increased effort, since the compressed gas storage of an oxygen reduction system are often not freely accessible. Among other things, this circumstance leads to the fact that the running operating costs of an oxygen-reducing plant are often relatively high. In addition, during an exchange of the compressed gas storage, the fire protection can not be guaranteed or only partially, if no reserve compressed gas storage is kept.
- an oxygen reduction system which comprises at least one gas separation system for providing a clean gas as needed. erstoff reduced gas mixture at an outlet of the gas separation system, and a compressed gas storage, in particular in the form of one or more compressed gas containers, for storing an oxygen-reduced gas mixture or inert gas in compressed form.
- the compressed gas storage device is fluidly connected via a line system to at least one enclosed area or can be connected to supply at least a portion of the gas mixture or inert gas stored in the compressed gas store to the at least one enclosed area as required.
- outlet of the gas separation system selectively and / or optionally with an inlet of the compressed gas storage and / or with the at least one enclosed area is fluidly connected or connectable for supplying the supplied to the outlet of the gas separation system gas mixture to the compressed gas storage and / or the at least one enclosed area.
- At least one control device is provided in order to at least partially automatically and in particular automatically establish the fluid connection between the outlet of the gas separation system and the inlet of the compressed gas reservoir and / or the at least one enclosed area.
- the at least one control device is preferably a combined hardware / software device.
- Input signals such as sensor measurements or user configuration inputs, may be processed by the at least one controller and calculated with control software, e.g. Eg WAGNER OxyControl®.
- the controller may include a programmable logic controller (PLC), such as available as S7 from Siemens AG, Kunststoff, or as Type 750 from WAGO Kunststofftechnik GmbH, Minden.
- PLC programmable logic controller
- the at least one controller is configured to receive sensor data to provide information, e.g. By displaying or dispensing status or alarm data, to actuate a compressor or compressor system and the gas separation system, and to operate the valve assemblies associated with the oxygen reduction system.
- the valve assemblies include both electromagnetic control valves and pneumatic range valves.
- the control device is designed to generate and output electrical actuation signals for actuating the electromagnetic control valves.
- the control valves are connected to a control gas source, for. B. a pilot cylinder or control bottle, fluidly connected or connectable. Once the control valves are actuated, control gas flows out of the pilot gas cylinder or control bottle and operates the pneumatic range valves as needed.
- an additional fire alarm panel is provided as a secondary control device.
- the fire panel is configured to receive fire alarm data from appropriate fire detectors, process fire alarm data, and signal a fire alarm.
- An exemplary fire alarm control panel can be obtained from the Laboratory Strauss Sich réellesanlagenbau GmbH, Vienna, Austria.
- Both the controller and the fire panel may be configured to operate in the event of potentially hazardous conditions, such as a fire hazard. As smoke, fire or critical oxygen concentrations respond.
- the control device is assigned a sensor unit.
- the sensor unit preferably has at least one pressure sensor and / or at least one temperature sensor.
- the pressure sensor and / or the temperature sensor measure the state, in particular the fill level or the degree of filling of the compressed gas reservoir.
- temperature-dependent pressure conditions in the compressed gas reservoir can be detected and reported to the control device, so that the refilling of the compressed gas reservoir with oxygen-reduced gas mixture takes into account the temperature-dependent pressure conditions takes place.
- the control device in response to a temperature-dependent pressure increase controls the release of oxygen-reduced gas mixture from the compressed gas storage or regulates and thus prevents damage to the compressed gas storage.
- the at least one gas separation system and / or a compressor system upstream of the gas separation system has a first operating mode and a second operating mode for supplying the oxygen-reduced gas mixture to the compressed gas reservoir and / or the at least one enclosed region.
- each operating mode is assigned an independent gas separation system.
- the first and second modes of operation may be operated individually or simultaneously by means of independent gas separation systems.
- the gas separation system or the operating mode of the at least one gas separation system and / or a compressor system upstream of the gas separation system are preferably controlled in particular automatically by the control device.
- refilling the compressed gas storage with an oxygen reduced gas mixture is typically effected with a higher concentration of nitrogen than required for delivery to the enclosed area.
- the oxygen-reduced gas mixture produced in a first operating mode of the gas separation system with a high nitrogen concentration, preferably with a nitrogen concentration of 99.5% by volume can be used for recharging the compressed gas reservoir as required.
- this gas mixture produced in a first operating mode of the gas separation system can be used to simultaneously provide an oxygen-reduced gas mixture to the enclosed region, the oxygen-reduced gas mixture then being diluted to a nitrogen concentration of, for example, 95% by volume.
- control device offers the possibility of operating the gas separation system in a second operating mode, in which an oxygen-reduced gas mixture with an effective nitrogen concentration, preferably a nitrogen concentration of 95% by volume, is provided, which can be supplied to the enclosed area.
- an oxygen-reduced gas mixture with an effective nitrogen concentration preferably a nitrogen concentration of 95% by volume
- the control device offers the possibility of operating the gas separation system in a second operating mode, in which an oxygen-reduced gas mixture with an effective nitrogen concentration, preferably a nitrogen concentration of 95% by volume, is provided, which can be supplied to the enclosed area.
- an oxygen-reduced gas mixture with an effective nitrogen concentration preferably a nitrogen concentration of 95% by volume
- the gas separation system can be operated efficiently and the oxygen-reduced gas mixture can be used optimally according to the intended concentration.
- a first gas separation system for refilling the compressed gas reservoir in a first operating mode and preferably to operate the other gas separation system in parallel in a second operating mode in order to control the enclosed region with an oxygen-reduced gas mixture in an effective mode Supply nitrogen concentration. It is conceivable to provide either a common or a single upstream compressor system for each of the gas separation systems.
- a system is provided, in which the compressed gas reservoir has a plurality of spatially separate compressed gas containers, which are connected parallel to one another and preferably in each case with at least one container valve.
- a first and a second manifold are provided.
- the outlet of the gas separation system is connected via a valve to the first manifold or connectable thereto, while for preferably each of the plurality of compressed gas container, a first line section is provided, via which the respective container valve is fluidly connected to the first manifold.
- the container valve of preferably one of the plurality of compressed gas containers is in each case further connected via a second line connected to the already mentioned second manifold.
- the second manifold itself is connected via a valve, in particular a range valve, fluidly connected to the at least one enclosed area or connectable.
- the valve to which the outlet of the gas separation system is connected or connectable to the first manifold forms the aforementioned first valve assembly.
- the valve by which the second manifold can be connected or fluidly connected to the at least one enclosed area is part of the second valve arrangement when the oxygen reduction system is associated with a plurality of closed areas. If, on the other hand, the oxygen reduction system is assigned to only one enclosed area, then the valve, via which the second manifold is fluidically connected or connectable to the at least one enclosed area, forms the second valve arrangement.
- FIG. 1 schematically illustrated first exemplary embodiment of the invention oxygen reduction system 100 is characterized in particular by the fact that it has a gas separation system 102 and in addition to a compressed gas storage 105.
- the gas separation system 102 and the compressed gas storage 105 together form the "inert gas source" of the oxygen reduction system 100.
- the gas separation system 102 is preceded by a compressor system 101 for correspondingly compressing the initial gas mixture to be supplied to the gas separation system 102.
- a compressor system 101 for correspondingly compressing the initial gas mixture to be supplied to the gas separation system 102.
- the gas separation system 102 can be adjusted to a required nitrogen concentration and required amount of oxygen-reduced gas.
- the outlet of the gas separation system 102 ie the exit of the gas separation system 102 to which the oxygen reduced gas mixture or nitrogen enriched gas mixture is provided, is fluidly connected via a first conduit system to an enclosed space 107 and via an additional, second one Conduit connected to the aforementioned compressed gas storage 105 or connectable.
- a first valve arrangement 104 is provided in the second line system, ie in the line system, which connects the outlet of the gas separation system 102 with the compressed gas storage 105.
- Another valve assembly 109 is provided in the conduit system which fluidly connects the outlet of the gas separation system 102 to the enclosed space 107.
- Another valve arrangement 106 is arranged in a line system which connects the compressed gas storage 105 with the enclosed area 107. In this way, if necessary, the compressed gas storage 105 can be fluidly connected to the enclosed area 107.
- the oxygen-reducing plant 100 is preferably associated with a control device 10 in order to be able to control the individual valve arrangements 104, 106 and 109 in a coordinated manner.
- the control device 10 is preferably further associated with a sensor unit having at least one pressure sensor and / or at least one temperature sensor, which are provided in particular in and / or on the compressed gas storage.
- a sensor unit having at least one pressure sensor and / or at least one temperature sensor, which are provided in particular in and / or on the compressed gas storage.
- control device 10 is designed to control the individual valve arrangements 104, 106 and 109 such that the outlet of the gas separation system 102 is preferably only fluidically connected or connectable to the inlet of the compressed gas storage 105 if there is no fluid connection between the outlet of the compressed gas reservoir 105 and the at least one enclosed area 107, ie if the third valve arrangement 106 is closed.
- control device 10 is designed such that preferably only the outlet of the gas separation system 102 via the first valve assembly 104 with the compressed gas storage 105 is fluidly connected or connectable, if no fluidic Ver ⁇ Bond exists between the outlet of the gas separation system 102 and the enclosed area 107, that is, when the second valve assembly 109 is closed.
- the oxygen reduction system 100 in particular the control device 10, such that the outlet of the gas separation system 102 with the inlet of the compressed gas reservoir 105 via the first valve arrangement 104 and the enclosed region 107 via the second valve arrangement 109 may flow as required. tig is connectable.
- a further compressor system 103 is provided, which is arranged in the line system, which connects the outlet of the gas separation system 102 with the pressurized gas container 105.
- the oxygen-reduced gas mixture provided at the outlet of the gas separation system 102 can, if required, be further compressed, so that it can then be stored in the compressed gas container 105 in the desired compressed form.
- a compressed gas cylinder or bottle battery is used as the compressed gas container, it is advantageous if the further compressor system 103 compresses the oxygen-reduced gas mixture provided at the outlet of the gas separation system 102 to up to 300 bar.
- FIG. 2 schematically illustrated oxygen reduction system 100 differs from that shown in FIG. 1 schematically illustrated embodiment, in particular, that the oxygen reduction system 100 according to the in FIG. 2, not only to a single enclosed area 107, but to a plurality of enclosed areas 107a, 107b.
- the oxygen reduction system 100 is thus designed as a so-called multi-range system.
- FIG. 2 schematically illustrated oxygen reduction system 100 of the compressed gas storage 105 a plurality of spatially separated, parallel to each other compressed gas containers 105a, 105b, 105c, 105d.
- These compressed gas containers are, for example, commercial high-pressure bottles (300 bar bottles).
- the individual compressed gas containers 105a to 105d are connected in parallel with one another in order to be able to supply the gas mixture stored in these compressed gas containers 105a to 105d in compressed form as quickly as possible to the enclosed regions 107a, 107b.
- a first manifold 110 and a second manifold 111 for use.
- the first manifold 110 is fluidly connectable to the outlet of the gas separation system 102 via the first valve assembly 104.
- another valve arrangement is used to connect the outlet of the gas separation system 102 to the first enclosed area 107a and / or the second enclosed area 107b as needed.
- FIG. 2 schematically illustrated embodiment
- this embodiment of the invention has a total of two valves 109a and 109b, each of which is designed as a range valve and assigned to one of the corresponding enclosed regions 107a, 107b.
- the aforementioned second manifold 111 is also fluidly connectable via respective area valves 106a, 106b to the respective enclosed areas 107a, 107b.
- These valves 106a, 106b are preferably also designed as area valves.
- the parallel connection of the individual compressed gas containers 105a to 105d will also be described with reference to the schematic illustration in FIG. 3 described in more detail.
- each pressurized gas container 105a to 105d is provided with a corresponding container valve 108 (see FIG.
- Each container valve 108 of the compressed gas tank 105a to 105d is connected via a first line section on the one hand with the first manifold 110 and a second line section on the other hand with the second manifold 111 fluidly connected.
- each container valve 108 of the compressed gas tank 105a to 105d is associated with a connector piece 113, in particular in the form of a T or Y piece, via which the corresponding first line section on the one hand and the corresponding second line section on the other hand with the corresponding container valve 108 and are fluidly connected to the interior of the compressed gas container 105a to 105d.
- the container valves 108 of the compressed gas containers 105a to 105d are each designed as a quick release valve arrangement, in particular as a pneumatically actuated quick release valve arrangement to form, if necessary, a fluid connection between the corresponding compressed gas container 105a to 105d and the second manifold. It is advantageous if the valve function of the quick release valve arrangement can also be switched off if necessary, in particular if the outlet of the gas separation system 102 is connected to the inlet of the corresponding compressed gas container 105a to 105d for the purpose of refilling.
- At least one backflow preventer 112 is provided to a Gas flow from the second manifold 111 back to the pressurized gas containers 105a to 105d and / or from the pressurized gas containers 105a to 105d to the first manifold 110 to block.
- the two backflow preventers 112 can be provided directly on a connector piece 113, in particular a T-piece, and can be fluidly connected to the container valve 108 of the respective compressed gas container 105a to 105d.
- the inlet of the compressed gas storage and the outlet of the compressed gas storage are connected via a preferably common connector piece 113 with the interior of the compressed gas storage.
- FIG. 4 schematically illustrated embodiment differs from the embodiment in FIG. 2, in particular by further pressurized gas containers 105e to 105f, which can be connected via a further valve of the first valve arrangement 104 in terms of flow to the outlet of the gas separation system.
- the control device in the sense of the present invention is designed to control a plurality of valves of the first valve arrangement 104 accordingly.
- each of the further pressurized gas containers 105e to 105f is associated with a container valve 108 with a connector piece 113, in particular in the form of a T or Y piece, via which the corresponding first line section on the one hand and the corresponding second line section on the other hand with the respective container valve 108th or the interior of the further pressurized gas container 105e to 105f is fluidly connectable.
- the further second manifold 111 is also fluidly connectable via respective area valves 106c, 106d to the respective enclosed areas 107a, 107b. These valves 106c, 106d are preferably also designed as area valves.
- the further Druckgasbenzol- ter 105 e to 105 g and the pressurized gas containers 105 a to 105 d are preferably independently, controlled or regulated by the control device 10, are used.
- the refilling z. B. the other compressed gas storage 105e to 105g after a rapid reduction and / or Warabsenkung feasible while at the same time the compressed gas storage 105a to 105d with the enclosed areas 107a, 107b are fluidly connected to a to keep or reduce reduced oxygen content in the enclosed regions 107a, 107b.
- pressurized gas containers 105a to 105d can also be refilled with oxygen-reduced gas mixture from the gas separation system 102, with the other pressurized gas containers 105e to 105g being connected in parallel to the enclosed regions 107a, 107b in terms of flow.
- further pressurized gas containers 105e to 105g not on the in FIG. 4 illustrated number of compressed gas tanks limited, but may, if necessary, be supplemented by further compressed gas tank or more, independently controllable mergers of several compressed gas tanks.
- the oxygen concentration is first lowered to a basic inerting level and this level is maintained in the enclosed area 107, for example, by the introduction of an oxygen-reduced gas mixture produced by the gas separation system 102. After expiry of a previously determinable or fixed time span, it is again checked, for example by means of fire detectors or visual inspection, whether there is still a fire. If there is no more fire, the basic inerting level is kept for a further definable or fixed period of time to prevent flashback. However, if a fire continues to exist, the oxygen concentration is lowered to a full inerting level by means of the further pressurized gas containers 105e to 105g and held at this level by means of the gas separation system 102.
- the oxygen concentration in the enclosed area 107a, 107b does not fall below a first value predefined or determinable in particular as a function of the fire load of the enclosed area 107a, 107b and also a second predetermined or determinable one Value does not exceed, wherein the second value is smaller than the value of the oxygen concentration in the normal atmosphere and greater than the first value.
- the oxygen-reduced gas mixture provided at the outlet of the gas separation system 102 is supplied in a controlled manner to the enclosed region 107a, 107b in such a way that the oxygen concentration in the enclosed area 107a, 107b does not fall below the first value predefined or determinable, in particular as a function of the fire load of the enclosed area 107a, 107b, and does not exceed the second value, which is also predetermined or definable.
- the first and second predetermined or determinable oxygen concentration values herein correspond to lower and upper limits of a baseline inerting level of the enclosed region.
- the oxygen-reduced gas mixture provided at the outlet of the gas separation system 102 is only supplied to the enclosed area 107a, 107b in a regulated manner if during or after the initial lowering or Quick lowering preferably automatically, in particular by means of at least one fire detector 118, and / or manu- In particular, by actuating a corresponding switch, it is verified that there is no fire in the enclosed area 107a, 107b.
- the oxygen content in the room atmosphere of the enclosed area 107a, 107b is further reduced, by at least a part of the in the compressed gas storage 105 or at least a portion of the gas mixture or inert gas stored in at least one compressed gas tank 105a-g of the compressed gas storage 105 in compressed form supplied to the enclosed area 107a, 107b, by the compressed gas storage 105 or the at least one compressed gas tank 105a -g of the compressed gas reservoir 105 is fluidly connected to the enclosed area 107a, 107b.
- the oxygen content in the room atmosphere of the enclosed area 107a, 107b is further reduced until the Oxygen concentration in the enclosed area reaches a predetermined or definable target concentration, which corresponds to a nitrogen concentration which is at least equal to an extinguishing gas concentration dependent on the fire load of the enclosed space 107a, 107b.
- the predetermined or definable target oxygen concentration in the enclosed area 107a, 107b preferably corresponds to a full initiation level.
- the predetermined or definable target oxygen concentration is maintained in the enclosed area 107a, 107b (retaining flooding), and while one at the outlet of the gas separation System 102, the oxygen-reduced gas mixture is supplied in a controlled manner to the enclosed area 107a, 107b by fluidly connecting the outlet of the gas separation system 102 with the enclosed area.
- a refilling of the compressed gas reservoir 105 or a refilling of at least one compressed gas container 105a-g of the compressed gas reservoir 105 takes place during this holding flooding, namely by the outlet of the gas separation system 102 with the compressed gas reservoir 105 or with at least one pressurized gas container 105a.
- g of the compressed gas storage 105 is fluidly connected.
- the enclosed area 107a, 107b is preferably monitored continuously or at predetermined times or events with regard to the occurrence of at least one fire parameter.
- at least the first or rapid lowering is preferably initiated automatically as soon as at least one fire parameter is detected.
- FIG. 5a shows a block diagram for illustrating various exemplary connections of the control device 10 with components of the oxygen reduction system 100 according to an embodiment.
- the controller 10 receives inputs via various sensors.
- the sensor unit labeled "114" provides the controller 10 with data from a temperature sensor 115 and a pressure sensor 116 located in, on, or on a pressurized gas container 105.
- the controller 10 may provide a more accurate refill in response to a temperature dependent pressure rise in the pressurized gas container 105.
- the pressure sensor 116 allows the controller 10 to detect a pressure drop in the pressurized gas container 105, which may be a trigger condition for the start of refilling.
- the oxygen sensor 117 provides values of oxygen concentration measurement in the enclosed region 107a, 107b to the controller 10, thereby enabling control of the activation or deactivation of the gas separation system 102 and / or the upstream compressor system 101 in response to the current oxygen concentration.
- an optional fire panel 121 may be connected to the controller 10 to initiate a fire alarm mode of the controller 10, the fire alarm mode including, for example, triggering the extinguishing mode of the oxygen reduction system.
- the erase mode includes lowering the oxygen concentration in the enclosed region 107a, 107b to a baseline or full inertization level.
- a fire detector 118 which in this case is a aspirating smoke detector to allow for the earliest detection of smoke in the enclosed area 107a, 107b, is configured to provide alarm information to the fire panel 121 when smoke or a fire in an enclosed area 107a, 107b is detected.
- the controller 10 and the fire panel 121 are configured to trigger the alarm 119.
- a user interface 120 it is possible to display information available in the controller 10, such as status or alarm information, and to perform user input intended for the controller 10, such as configuration inputs.
- the controller 10 is also connected to an upstream compressor system 101 to activate or deactivate this compressor system 101 or to increase or decrease the degree of compression of the upstream compressor system 101.
- controller 10 is connected to a downstream compressor system 103 to activate this compressor system 103 for refilling the pressurized gas container 105 and to deactivate it when the refilling is completed.
- controller 10 is connected to valves 104, 106, and 109, and can control the open or close state of the controller. Change the position of the valves 104, 106 and 109.
- FIG. 5b shows in a grouped overview the components of FIG. 5a and the communication directions between the control device 10 and the other connected components.
- the control device 10 exchanges signals with the sensor unit 114, which in this exemplary embodiment has at least one temperature sensor 115 for measuring and / or monitoring the temperature of the compressed gas reservoir 105, at least one pressure sensor 116 for measuring and / or monitoring the pressure of the compressed gas reservoir 105, at least one oxygen sensor 117 for measuring and / or monitoring the oxygen concentration in the atmosphere of the closed area 107a, 107b and at least one oxygen sensor 122 for measuring and / or monitoring the residual oxygen concentration at the outlet of the gas separation system 102.
- the sensor unit 114 which in this exemplary embodiment has at least one temperature sensor 115 for measuring and / or monitoring the temperature of the compressed gas reservoir 105, at least one pressure sensor 116 for measuring and / or monitoring the pressure of the compressed gas reservoir 105, at least one oxygen sensor 117 for measuring and / or monitoring the oxygen concentration in the atmosphere of the closed area 107a
- the controller 10 also exchanges signals with the fire alarm panel 121, which in turn communicates with at least one fire detector 118 to detect a fire detected by a fire detector 118 z. B. to a control center or the controller 10 to report the oxygen reduction system.
- the fire alarm panel 121 also controls alerting means 119a to alert people to the fire.
- the alerting means 19a may, for. B. flashing lights, light fields and / or H upen be.
- the control device 10 can also control its own or additional alarm means 119b if, for example, the oxygen concentration measured in the enclosed region 107a, 107b with the at least one oxygen sensor 117 exceeds or falls below an inadmissibly high or unduly low concentration.
- the control device 10 also exchanges signals with the user interface 120, shown by way of example in this figure as a touch panel attached to the control device 10.
- the user interface 120 displays configuration, status, and alarm data to a user, and allows, for example, the adjustment or adjustment of the control functions of the controller 10 via user input.
- threshold values for the sensors of the sensor device 114 can be set or changed via the user interface 120; wherein an undershooting or exceeding of the threshold values can lead to a message or to the activation of alarming means 119b.
- the control device 10 also exchanges signals with the gas separation system 102, switches this on or off, for example, or asks the state of the Gas separation system 102 from.
- the control of the gas separation system 102 upstream and downstream compressor systems 101, 103 such as switching on and off or a stepped or continuous increase or decrease in the degree of compression, using the control device 10th
- controller 10 controls the valves of the first, second, and third valve assemblies 104, 106, and 109, for example, opens or closes the valves to selectively make fluid connections between the gas separation system 102, the compressed gas reservoir 105, and the enclosed region 107a. 107b to produce or separate.
- FIG. FIG. 6 shows a flow chart of an exemplary control sequence for controlling an oxygen reduction system such as shown in FIG. 1 is shown.
- the left branch of FIG. FIG. 6 shows a sequence for first lowering and / or maintaining an oxygen-reduced concentration in the enclosed regions 107a, 107b ("basic inertization" mode).
- the right branch of FIG. FIG. 6 shows a sequence for fire detection, fire extinction (full inertization mode) and refilling of compressed gas tanks 105a to 105d.
- the control device 10 opens the valve 109a and starts the upstream compressor system 101, that is to say the gas separation system 102, and the gas separation system 102, in order to supply the oxygen-reduced gas to the enclosed region 107a. to mix.
- the controller 10 stops the upstream compressor system 101 and the gas separation system 102 and closes the valve 109a.
- the minimum and maximum concentrations can be set individually and stored in the controller 10.
- An exemplary minimum concentration could be 17.0 vol%, and an exemplary maximum concentration could be 17.4 vol%, which would correspond to a typical basic inertization range.
- Another example includes lower and upper limits at 14.0 vol.% And 14.4 vol.%, Which would correspond to a typical full inertization range.
- the minimum and maximum concentrations may also be variably defined for a daytime and a nighttime mode, wherein the daytime mode represents a time of high human traffic in the enclosed area, which requires a higher concentration of oxygen, and wherein the nighttime mode represents a time in which few or no people enter the enclosed area, which would allow lower oxygen concentration to increase the efficiency of fire protection.
- FIG. 6 shows the interaction between fire detection, fire extinguishing (full inertization mode) and refilling:
- the fire detection could be realized with aspirating smoke detectors, whereby a very meaningful, reliable and visually appealing fire alarm system can be realized.
- the detection signal from the fire panel 121 is transmitted to the controller 10.
- the control device 10 opens the valve 106a and triggers the pressurized gas containers 105a to 105d to pass over a collecting line. tion 111 and the valve 106a to be discharged, so that the stored in the compressed gas containers 105a to 105d, oxygen-reduced gas mixture quickly enters the enclosed area 107a, thereby extinguishing the fire.
- the erasure mode is terminated by closing the valve 106a. Automatic or manual refilling begins with the opening of the valve 104 and the starting of the downstream compressor system 103.
- the container pressure is measured continuously and the measurement data is supplied to the control device 10.
- the compressed gas containers 105a to 105d are refilled until the pressure reaches a predetermined maximum.
- the pressure measurements are subject to a temperature compensation. This is done by both measuring pressure and measuring temperature in the pressurized gas containers 105a-105d and calculating a normalized pressure in accordance with thermodynamic formulas.
- the minimum and maximum pressures can be set individually and stored in the controller 10.
- the refilling is completed by stopping the downstream compressor system 103 and closing the valve 104 by the controller 10.
- the system then returns to a mode in which the system is sensitive to fire alarms issued to the enclosed areas 107a, 107b, thus returning to readiness for further rapid descent in the event of a re-fire or re-fire.
- the invention is not limited to the embodiments of the oxygen reduction system 100 shown schematically in the drawings, but results from a synopsis of all the features disclosed herein.
- an intermediate store is provided directly at the outlet of the gas separation system in order to temporarily store the oxygen-reduced gas mixture provided at the outlet of the gas separation system.
- an intermediate store is provided directly at the outlet of the gas separation system in order to temporarily store the oxygen-reduced gas mixture provided at the outlet of the gas separation system.
- it is provided to use an already present stationary gas separation system (nitrogen generator) and also to provide the required additional downstream high-pressure compressor (compressor system 103) in a stationary manner or to provide it mobile.
- a stationary gas separation system could be supported by a mobile gas separation system because otherwise the stationary gas separation system would need to be sized larger only for possible refill to produce the necessary delivery performance.
- the possibility of providing two stationary gas separation systems (one for retaining flooding, one for refilling) is likewise conceivable in principle. If (only) a particular stationary gas separation system is present, it is advantageous if the nitrogen concentration of the oxygen-reduced gas mixture which can be provided at the outlet of the gas separation system can be switched over. With regard to optimal delivery conditions, an introduction into the room at a nitrogen concentration of about 95% by volume has been found, but at least 98% by volume, preferably at least 99% by volume, are desirable for the filling in order to increase the number of gas pressure vessels optimize.
- the temperature of the compressed gas reservoir (bottle temperature). This not only serves the temperature-compensated pressure measurement or filling, but when a maximum temperature is exceeded, the filling is interrupted to protect the cylinder valves.
- the temperature measurement can be carried out via, for example, magnetic thermocouples on the outer wall of the bottles.
- the temperature is measured at at least two points of the compressed gas storage, namely at the coldest and at the warmest point.
- the coldest and warmest spots can be determined by experiments or based on the environmental conditions, eg. B. on the basis of cool wall surfaces or radiators, estimated.
- the temperature at the coldest point then serves for the temperature-compensated pressure measurement or filling, while the measurement at the warmest point is intended to prevent the exceeding of a maximum temperature possibly damaging for the container valves.
- the residual oxygen content is monitored at the outlet of the gas separation system in order to derive the nitrogen reduced air not in the compressed gas storage in the case of an impermissibly low nitrogen concentration but outside or in the enclosed area, so that the required purity is ensured.
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Separation Of Gases By Adsorption (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Storage Of Harvested Produce (AREA)
- Gas Separation By Absorption (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
Abstract
Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MX2018007071A MX2018007071A (es) | 2015-12-22 | 2016-12-22 | Sistema de reduccion de oxigeno y metodo para operar un sistema de reduccion de oxigeno. |
SG11201804790RA SG11201804790RA (en) | 2015-12-22 | 2016-12-22 | Oxygen Reduction System and Method for Operating an Oxygen Reduction System |
CA3006864A CA3006864C (en) | 2015-12-22 | 2016-12-22 | Oxygen reduction system and method for operating an oxygen reduction system |
AU2016378491A AU2016378491B2 (en) | 2015-12-22 | 2016-12-22 | Oxygen reduction plant and method for operating an oxygen reduction plant |
RU2018126588A RU2712378C2 (ru) | 2015-12-22 | 2016-12-22 | Система снижения кислорода и способ эксплуатации системы снижения кислорода |
EP16825425.8A EP3393606B8 (de) | 2015-12-22 | 2016-12-22 | Sauerstoffreduzierungsanlage und verfahren zum betreiben einer sauerstoffreduzierungsanlage |
CN201680075358.8A CN108430592A (zh) | 2015-12-22 | 2016-12-22 | 氧气降低系统和用于操作氧气降低系统的方法 |
ZA201804748A ZA201804748B (en) | 2015-12-22 | 2018-07-16 | Oxygen reduction plant and method for operating an oxygen reduction plant |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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US14/977,755 | 2015-12-22 | ||
US14/977,755 US10933262B2 (en) | 2015-12-22 | 2015-12-22 | Oxygen-reducing installation and method for operating an oxygen-reducing installation |
EP15201906.3 | 2015-12-22 | ||
EP15201906.3A EP3184152B1 (de) | 2015-12-22 | 2015-12-22 | Sauerstoffreduzierungsanlage und verfahren zum betreiben einer sauerstoffreduzierungsanlage |
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WO2017109069A1 true WO2017109069A1 (de) | 2017-06-29 |
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PCT/EP2016/082373 WO2017109069A1 (de) | 2015-12-22 | 2016-12-22 | Sauerstoffreduzierungsanlage und verfahren zum betreiben einer sauerstoffreduzierungsanlage |
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EP (1) | EP3393606B8 (de) |
CN (1) | CN108430592A (de) |
AU (1) | AU2016378491B2 (de) |
CA (1) | CA3006864C (de) |
MX (1) | MX2018007071A (de) |
RU (1) | RU2712378C2 (de) |
SG (1) | SG11201804790RA (de) |
WO (1) | WO2017109069A1 (de) |
ZA (1) | ZA201804748B (de) |
Families Citing this family (4)
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EP3569290B1 (de) * | 2018-05-14 | 2024-02-14 | Wagner Group GmbH | Steuerungs- und regelungssystem einer sauerstoffreduzierungsanlage |
CN109390435B (zh) * | 2018-12-03 | 2024-01-26 | 乐山新天源太阳能科技有限公司 | 用于太阳能电池抗pid设备的氮气和氧气单向混合装置 |
DE102019117651A1 (de) * | 2019-07-01 | 2021-01-07 | Wagner Group Gmbh | Verfahren zur Inbetriebnahme einer Sauerstoffreduzierungsanlage, computerlesbares-Speichermedium und Sauerstoffreduzierungsanlage |
CN115591155A (zh) * | 2022-11-03 | 2023-01-13 | 上海穗杉实业股份有限公司(Cn) | 一种减少注氮时间的注氮控氧环控防火系统及方法 |
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EP1913980A1 (de) * | 2006-10-19 | 2008-04-23 | Amrona AG | Inertisierungsvorrichtung mit Sicherheitseinrichtung |
EP1913978A1 (de) * | 2006-10-19 | 2008-04-23 | Amrona AG | Inertisierungsvorrichtung mit Stickstoffgenerator |
EP2233175A1 (de) * | 2009-03-23 | 2010-09-29 | Kidde Technologies Inc. | Brandunterdrückungssystem und -verfahren |
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US4378920A (en) * | 1980-07-15 | 1983-04-05 | The Boeing Company | Combustibly inert air supply system and method |
IL152017A0 (en) * | 2000-04-17 | 2003-04-10 | Kotliar Igor K | A hypoxic fire extinguishing composition and a system utilizing the same |
US6997970B2 (en) * | 2002-06-25 | 2006-02-14 | Carleton Life Support Systems, Inc. | Oxygen/inert gas generator |
EP1683548B1 (de) * | 2005-01-21 | 2012-12-12 | Amrona AG | Inertisierungsverfahren zur Brandvermeidung |
CA2694901C (en) * | 2007-08-01 | 2015-01-27 | Amrona Ag | Device and method for fire-prevention and for extinguishing a fire that has broken out in an enclosed area |
PL2046459T3 (pl) * | 2007-08-01 | 2012-04-30 | Amrona Ag | Sposób zobojętniania w celu zmniejszenia zagrożenia pożarowego w zamkniętej przestrzeni oraz urządzenie do przeprowadzania tego sposobu |
DK2186546T3 (da) * | 2008-10-07 | 2011-01-03 | Amrona Ag | Inertgasbrandslukningsanlæg til formindskelse af risikoen og til slukning af brande i et beskyttelsesrum |
-
2016
- 2016-12-22 EP EP16825425.8A patent/EP3393606B8/de active Active
- 2016-12-22 MX MX2018007071A patent/MX2018007071A/es unknown
- 2016-12-22 AU AU2016378491A patent/AU2016378491B2/en active Active
- 2016-12-22 CA CA3006864A patent/CA3006864C/en active Active
- 2016-12-22 RU RU2018126588A patent/RU2712378C2/ru active
- 2016-12-22 CN CN201680075358.8A patent/CN108430592A/zh active Pending
- 2016-12-22 SG SG11201804790RA patent/SG11201804790RA/en unknown
- 2016-12-22 WO PCT/EP2016/082373 patent/WO2017109069A1/de active Application Filing
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2018
- 2018-07-16 ZA ZA201804748A patent/ZA201804748B/en unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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EP1913980A1 (de) * | 2006-10-19 | 2008-04-23 | Amrona AG | Inertisierungsvorrichtung mit Sicherheitseinrichtung |
EP1913978A1 (de) * | 2006-10-19 | 2008-04-23 | Amrona AG | Inertisierungsvorrichtung mit Stickstoffgenerator |
EP2233175A1 (de) * | 2009-03-23 | 2010-09-29 | Kidde Technologies Inc. | Brandunterdrückungssystem und -verfahren |
Also Published As
Publication number | Publication date |
---|---|
RU2712378C2 (ru) | 2020-01-28 |
AU2016378491A1 (en) | 2018-05-31 |
EP3393606A1 (de) | 2018-10-31 |
RU2018126588A3 (de) | 2020-01-23 |
AU2016378491B2 (en) | 2018-11-08 |
CN108430592A (zh) | 2018-08-21 |
ZA201804748B (en) | 2019-10-30 |
MX2018007071A (es) | 2018-08-15 |
CA3006864C (en) | 2023-09-26 |
RU2018126588A (ru) | 2020-01-23 |
CA3006864A1 (en) | 2017-06-29 |
EP3393606B8 (de) | 2025-04-16 |
SG11201804790RA (en) | 2018-07-30 |
EP3393606B1 (de) | 2025-03-05 |
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