CN210494963U - Piston type clean non-pressure fire extinguishing device - Google Patents
Piston type clean non-pressure fire extinguishing device Download PDFInfo
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- CN210494963U CN210494963U CN201920649683.1U CN201920649683U CN210494963U CN 210494963 U CN210494963 U CN 210494963U CN 201920649683 U CN201920649683 U CN 201920649683U CN 210494963 U CN210494963 U CN 210494963U
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Abstract
The utility model relates to a piston type clean non-pressure fire extinguishing device, which comprises a storage component, a gas generating component, a piston and a starting component; the fire extinguishing agent storage part is internally provided with a normal-pressure fire extinguishing agent; after the starting part receives a starting command, the gas generating agent in the gas generating chamber is started, the gas generating agent generates a large amount of gas and pushes the piston to move, the piston pushes the fire extinguishing agent in the fire extinguishing agent storage chamber to be sprayed, and when the part is sprayed out and the piston part moves to the topmost part, all the gas generated in the gas generating chamber enters the reduced fire extinguishing agent storage chamber through the gas guide groove and is sprayed out along the spraying part, so that the internal zero pressure of the device before and after working is ensured, and the device is safe and reliable. The sprayed fire extinguishing agent enters the fire space to extinguish fire.
Description
Technical Field
The invention relates to a piston type clean non-pressure fire extinguishing device, and belongs to the technical field of fire fighting.
Background
According to the Bulgarian amendment, the strong greenhouse gas Hydrofluorocarbons (HFCs) of global warming are forbidden gradually, China stops using the HFCs in 2024 years, the fluorinated ketone substance is an ideal substitute of the Hydrofluorocarbons (HFCs), the fluorinated ketone substance achieves the fire extinguishing effect mainly by absorbing heat, and after being released, the fluorinated ketone substance gas and air form a gaseous mixture. The heat capacity of the mixture of the fire extinguishing agent and air is much larger than that of air alone, the higher heat capacity means that the gas mixture absorbs more heat per degree of temperature change, and the application method of the fluorinated ketone substances in the field of fire fighting technology is still blank at present.
The fire extinguishing agent storage component of the existing gas fire extinguishing system on the market is usually a high-pressure or medium-pressure container, has huge potential safety hazards in the transportation and installation processes, and the fire extinguishing agent has dangerous factors such as corrosion and the like on the liner of the pressure container in the use process, so that the overall safety of the fire extinguishing system is reduced, the manufacturing is difficult, the cost is high, the service life is short, and in order to provide enough power, the pressure or the volume of the device needs to be further increased. Part of the non-pressure-storage fire extinguishing apparatus expands the fire extinguishing agent to be sprayed in the form of heat exchange, so that the fire extinguishing efficiency is lowered and the spray rate of the fire extinguishing agent is difficult to maintain as the temperature is lowered. The problem of unstable spraying can also occur if the fire extinguishing agent is directly and physically pushed by a hot air source or a cold air source. In addition, some non-pressure-storing fire extinguishing devices generate pressure during spraying, and if the pressure is not released in time, the devices have certain dangers.
SUMMERY OF THE UTILITY MODEL
Blank and the weak point of prior art, the utility model aims at providing a clean non-pressure extinguishing device of piston, the device factor of safety is high, spouts and puts stably, and is small can be portable, low in manufacturing cost, and installation simple process, long service life maintains simply, and the environmental protection is pollution-free, and can assemble and dismantle.
The technical scheme for realizing the aim of the invention is that a piston type clean pressureless fire extinguishing device comprises a storage component, a gas generating component, a piston and a spraying component;
a piston is arranged in the storage component, the piston divides the storage component into an upper area storage component and a lower area storage component which are independent, a non-pressure fire extinguishing agent is stored in the upper area storage component, and a gas production component is stored in the lower area storage component;
the spraying component is arranged at the upper end of the storage component and is communicated with the interior of the upper storage component.
Preferably, the piston is slidable along an inner wall of the upper storage member.
Preferably, the inner wall of the upper storage part is provided with a gas diversion trench.
Preferably, the fire extinguishing agent is a fluorinated ketone or a mixture of fluorinated ketones.
Preferably, the gas generating member is a seal for an aerosol generating agent or a seal for containing a pyrotechnic chemical.
Preferably, the lower end of the upper area storage component is connected with the upper end of the lower area storage component by screws; the lower end of the upper storage part is provided with a baffle which can prevent the piston from sliding out of the lower end of the upper storage part.
Preferably, the upper end of the lower storage part is provided with an opening, and the gas generating part is placed into the lower storage part from the opening.
The utility model has the advantages that: 1. the interior of the storage component is in a non-pressure state (the non-pressure state is related to the pressure of the prior art, namely, the pressure difference between the interior and the exterior of the fire extinguishing agent storage component is not generated, and even the pressure difference is negligible), so that the fire extinguishing agent is favorably stored for a long time, and the storage period can be prolonged to more than 60 months compared with the prior (pressure state) 12 to 24 months; 2. the system has high safety system, and because no pressure is applied (no pressure state), destructive accidents such as explosion and the like can not occur on the fire extinguishing agent storage component. 3. The piston component can reduce the temperature generated by the gas generating component and isolate the influence of gas flow on the spraying of the fire extinguishing agent. 4. The gas generating component is arranged in the fire extinguishing agent storage component and is arranged independently, each component can be recycled, and the fire extinguishing device can be repeatedly reassembled to reduce the cost. 5. The inner wall of the fire extinguishing agent tank body is provided with a gas guide groove, and after the fire extinguishing agent is sprayed out, gas generated by the gas generating component enters the fire extinguishing agent storage chamber through the gas guide groove and is sprayed out from the atomization structure, so that the device is ensured not to have pressure before and after working, and the safety and reliability of the device are ensured.
Drawings
Fig. 1 shows an embodiment of the present invention.
As shown in the figure, the fire extinguishing agent spraying device comprises a spraying part 1, a fire extinguishing agent tank front cover 2, a fire extinguishing agent tank 3, a piston 4, a piston support plate 5, a fire extinguishing agent tank rear cover 6, a gas generating part 7, a gas diversion trench 8, a fire extinguishing agent storage chamber 9 and a starting part 10.
Detailed Description
As shown in fig. 1, a piston type clean non-pressure fire extinguishing apparatus includes a storage component (fire extinguishing agent tank 3, fire extinguishing agent tank front cover 2 and fire extinguishing agent tank rear cover 6 constitute the storage component), a gas generating component 7 (a substance or equipment capable of rapidly generating gas), a piston 4, a spraying component 1, a starting component 10, a piston support plate 5, a gas guiding groove 8;
a piston 4 (arranged in the fire extinguishing agent tank body 3) is arranged in the storage component, the piston 4 divides the storage component into an upper area storage component and a lower area storage component which are independent, a non-pressure fire extinguishing agent is stored in the upper area storage component, a gas production component 7 is stored in the lower area storage component, the piston 4 can slide along the inner wall of the upper area storage component, and a piston support plate 5 is arranged in the lower area storage component in order to prevent the piston 4 from sliding downwards into the lower area storage component; the spraying component 1 is arranged at the upper end of the storage component and is communicated with the interior of the upper storage component.
Preferably, the upper storage component inner wall is equipped with gaseous guiding gutter 9, and gaseous guiding gutter 9 is established in the upper storage component inner wall, and when piston 4 slided to gaseous guiding gutter 9 department, the gaseous 4 upper portions that pass through gaseous guiding gutter 9 entering upper storage component of lower district in the storage component, the advantage can guarantee that whole device still is the non-pressure state after the device is spouted and is put and finish, in order to guarantee the effect of putting out a fire, the sectional area of gaseous guiding gutter 9 can not be too big.
The gas generating component is a sealing body of aerosol generating agent or a sealing body containing smoke fire type medicament. The lower end of the upper area storage component is connected with the upper end of the lower area storage component by screws; the lower end of the upper storage part is provided with a baffle 10 which can prevent the piston from sliding out of the lower end of the upper storage part.
Preferably, the upper end of the lower storage part is provided with an opening, and the gas generating part is placed into the lower storage part from the opening.
By adopting the structure, the quality guarantee period of the gas generating component and the fire extinguishing agent is not required to be consistent, when the gas generating component and the fire extinguishing agent are not consistent, the gas generating component and the fire extinguishing agent can be detached and then replaced in turn, the gas generating component can be taken out or replaced through the opening, and the fire extinguishing agent is replaced through the spraying component.
After the starting part receives a starting command, the gas generating agent in the gas generating chamber is started, the gas generating agent generates a large amount of gas and pushes the piston to move, the piston pushes the fire extinguishing agent in the fire extinguishing agent storage chamber to be sprayed, and when the part is sprayed out and the piston part moves to the topmost part, all the gas generated in the gas generating chamber enters the reduced fire extinguishing agent storage chamber through the gas guide groove and is sprayed out along the spraying part, so that the internal zero pressure of the device before and after working is ensured, and the device is safe and reliable. The sprayed fire extinguishing agent enters the fire space to extinguish fire.
Claims (7)
1. A piston type clean non-pressure fire extinguishing device is characterized in that: the fire extinguishing device comprises a storage component, a gas generating component, a piston and a starting component;
the storage component is internally provided with a piston, the piston divides the storage component into an upper area storage component and a lower area storage component which are independent, a non-pressure fire extinguishing agent is stored in the upper area storage component, and a gas production component is stored in the lower area storage component.
2. A piston-type clean pressureless fire suppression unit as claimed in claim 1, wherein: the piston can slide along the inner wall of the upper storage part.
3. A piston-type clean pressureless fire suppression unit as claimed in claim 1, wherein: and the inner wall of the upper-area storage part is provided with a gas diversion trench.
4. A piston type clean pressureless fire extinguishing apparatus according to claim 1, wherein the gas generating component is a seal containing aerosol generating agent or a seal containing smoke and fire agent or a pump or compressed gas.
5. A piston-type clean pressureless fire suppression unit as claimed in claim 1, wherein: the lower end of the upper area storage component is connected with the upper end of the lower area storage component by screws;
the lower end of the upper storage part is provided with a baffle which can prevent the piston from sliding out of the lower end of the upper storage part.
6. A piston-type clean pressureless fire suppression unit as claimed in claim 1, wherein: the front end of the storage component is provided with a detachable spraying component.
7. A piston-type clean pressureless fire suppression unit as claimed in claim 5, wherein: the upper end of the lower storage component is provided with an opening, and the gas production component is placed into the lower storage component from the opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920649683.1U CN210494963U (en) | 2019-05-07 | 2019-05-07 | Piston type clean non-pressure fire extinguishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920649683.1U CN210494963U (en) | 2019-05-07 | 2019-05-07 | Piston type clean non-pressure fire extinguishing device |
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| Publication Number | Publication Date |
|---|---|
| CN210494963U true CN210494963U (en) | 2020-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920649683.1U Active CN210494963U (en) | 2019-05-07 | 2019-05-07 | Piston type clean non-pressure fire extinguishing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114129946A (en) * | 2021-11-24 | 2022-03-04 | 北京达氟安全科技有限公司 | Adjustable fire extinguishing device based on different fire extinguishing intensity requirements and application method thereof |
-
2019
- 2019-05-07 CN CN201920649683.1U patent/CN210494963U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114129946A (en) * | 2021-11-24 | 2022-03-04 | 北京达氟安全科技有限公司 | Adjustable fire extinguishing device based on different fire extinguishing intensity requirements and application method thereof |
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