CN100592869C

CN100592869C - Method and device for fumigating products in an enclosed space

Info

Publication number: CN100592869C
Application number: CN200680009405A
Authority: CN
Inventors: E·威廉; P·博德特斯
Original assignee: DESCLEAN BELGIE NV
Current assignee: DESCLEAN BELGIE NV
Priority date: 2005-03-24
Filing date: 2006-03-16
Publication date: 2010-03-03
Anticipated expiration: 2026-03-16
Also published as: CN101146445A; ZA200707697B

Abstract

Disclosed is a process used for fumigating products (2) in a closed room (4). The process comprises the steps of driving air in the room (4) to pass through at least a current getting-through modularunit (13, 38-42) equipped with absorption components (15) to circulate in a closed return circuit, with treating gas absorbed at the absorption components (15); activating a heater block (16) to release the treating gas from the absorption components (15) until enough treatment gas is blown into the closed room (4); stopping using the heater block (16); absorbing the treatment gas within absorption components (15) and reclaiming the treatment gas again by means of circulation of the air treatment gas mixture after passing though the current getting-through modular unit (13, 38-42), in case that the product (2) has been sufficiently fumigated.

Description

The method and apparatus that is used for fumigating products in enclosure space

Technical field

The present invention relates to be used for the method and apparatus of fumigating products in enclosure space.

Background technology

In other words the fumigation of known product, by product being exposed to regular hour treatment product in a kind of gas or the steam, through being usually used in maritime industry, damages to prevent insect and other insect that goods is present in goods or the container.The assortment of article of these fumigations is various, from tobacco, timber and furniture to clothing with footwear.

A kind of known technology is included in places aluminum phosphate or magnesium phosphide tablet in the goods, these medicines distribute the phosphorus hydride gas of huge poison.According to another kind of technology, poisonous bromomethane is dispersed in the goods by a fumigating apparatus.Also can use other to handle gas or steam, such as formaldehyde, sulphur fluoride, ammonia, hydrogen cyanide etc.

After gas or steam have discharged container or have been placed on the stack goods, often to open air, outgas by making to handle gas or handle vapor escape, for example, by door or the window of opening processed cargo storage space.Often, do not outgas even fully.

A shortcoming of these known technologies is, employed gas or steam often are huge poison, and drain in the environment, and this is harmful to.Known bromomethane can influence ozone layer.

Another shortcoming is, when degasification, handles gas or handles evaporation loss, and they can not reuse in fumigation subsequently like this.

Also have a shortcoming to be, by applying the inadequate or wrong degassing, or the not degassing fully, in the processing space that poisonous or harmful gas or steam rest on sealing, therefore harm enters the people's in these spaces health, for example, transport or unload the docker or the customs officer of these fumigating products, and live near the harbour people, or even obtain the client of product, the package of described product still contains for example to be handled gas or handles steam.

Summary of the invention

The objective of the invention is to solve above-described one or several shortcomings and other shortcoming.

For this purpose, the present invention relates to a kind of method that is used for fumigating products in an enclosure space, this method comprises that the air that makes in this space cycles through at least one that be provided with absorption piece and flows through module (flow-through module) in loop, and a certain amount of processing gas or steam are absorbed in this absorption piece; Enabling of parts, this makes handles gas or handles steam when air just can discharge from absorption piece at circulation time, processing gas or steam up to abundant amount have been blown into enclosure space, after this, inactive above-mentioned parts, in case and product is by fumigation fully, just the mixture by suction air/processing gas or air/processing steam leaves this space, and by making it by flowing through the module circulation, be absorbed into absorption piece to guarantee handling gas or to handle steam, thereby reclaim the processing gas of release or the processing steam of release again.

The advantage that is used for this method of fumigating products in enclosure space according to the present invention is to handle gas or handle steam can finally not enter in the open air, thereby there is not environmental nuisance, for example, avoid influence on the one hand to ozone layer, on the other hand, reduce significantly for the personnel of these goods of carrying or possible third party personnel's harm.

Another advantage of this method is processing gas or handles steam and reclaim in flowing through module, as its result, these flow through module and can reuse, for example, the product that fumigation loads subsequently, or easily discharge flow is passed through the processing gas of the recovery in the module or the processing steam of recovery, thereby with its destruction.

For this purpose, this module that flows through preferably is configured to like this, they are sealed easily and transports.

An additional advantage is, when the forced circulation on absorption piece recycles gas or handles steam by air/processing gas or air/processing steam mixture, acquisition is than the better degassing of known technology, therefore reduces the personnel's that contact with the processing steam of the processing of these danger or danger danger.

Preferably use several to flow through module, thereby air is transmitted by one or several at every turn continuously flow through module, and other module seals, processing gas or steam up to abundant amount discharge from the relevant module that flows through, perhaps processing gas or the processing steam up to abundant amount has been present in this space, and on the other hand, when recycling gas or processing steam, the admixture of gas that aspirates out from the space transmits continuously by one or several at every turn and flows through module, and other module seals, aspirated out by space from then on up to the gas of abundant amount or steam, or fully the gas of amount or steam have been stored in and have flowed through in the module.

Using several advantages that flow through this method of module is to need less absorption piece, because absorption piece is better used, its reason is as follows.

For example, when in absorption piece, reclaiming, the amount of can absorbed processing gas or handling steam depends on processed gas of absorption piece or saturated with vapor are to what degree, depend on air that flows through module and the degree of saturation of handling gas or steam mixture, and depend on two kinds of difference between the degree of saturation.

When flowing through module separately and retrieve from the processing gas of air/processing gas or air/processing steam mixture or steam by one, behind certain hour, when using the absorption piece of not enough quantity, the degree of saturation of absorption piece will increase, and the degree of saturation of air/processing gas or air/processing steam mixture will be reduced to a bit, and the difference between two kinds of degree of saturation of this point is handled gas or handled steam in for absorption piece is not enough by further absorbing.

Yet in order to obtain to handle the good recovery of gas or steam, people should avoid the degree of saturation of absorption piece to become too high, and therefore will have to use a large amount of absorption pieces.

By using several to flow through module, flow through under the saturated situation of module at one first, can place one and new flow through module in the air that flows through/processing gas or air/processing steam mixture, in this new module, do not handle gas or steam at present and be absorbed the parts absorption, thereby processing gas or steam can be absorbed from air/processing gas or air/processing steam mixture once more.

Naturally, also be the same for discharge handling gas or steam, but mode is opposite from absorption piece.

In other words, this method makes can use quite few absorption piece, so also can reach the effect of energy savings.

Really,, preferably heat respectively or the cooling and absorbing parts, thereby make the forced ventilation of pulsation preferably also be used for discharging in order to discharge or to recycle gas or handle steam.

The forced ventilation of such pulsation comprises: by the ventilation of a series of weak points pulsation and make each pulsation follow no any ventilation over a long time at every turn, come to remove the processing gas or the processing steam of release from flowing through module when the period of heating of absorption piece.Therefore, the heat of generation is used for discharging processing gas or handling steam from absorption piece best, and after this, short ventilation pulsation is enough to remove the processing gas or the steam of release from flowing through module.

The advantage of this method is, can realize sizable saving being used to heat on the energy of absorption piece needs, and be that being used to discharge the process of handling gas or steam can be accelerated.

The present invention also provides a kind of device that is used for fumigating products in enclosure space according to the above method, this device mainly is made of ventilation that has suction tube and discharge pipe or exhaust component, this suction tube and discharge pipe can be connected to above-mentioned space, thereby and make at least one flow through module to be arranged in one of its suction tube that is shaped as the container that is filled with absorption piece and discharge pipe two pipes, this makes to absorb handles gas or steam, and this flows through module and is provided with parts, and these parts make when being activated can discharge the processing gas of absorption or the processing steam of absorption once more.

Absorption piece preferably is made up of activated carbon or zeolite, and wherein contained processing gas, bromomethane for example, or wherein contained processing steam is by fully heating absorption piece, and discharged once more, for example, by being arranged in the container or absorption piece being heated to 160 ℃ around the heating tape or the heat distributor of container.

Mode is opposite therewith, flow through module and preferably be provided with cooling element, and by this cooling element, absorption piece can be cooled when handling the recovery of gas or processing steam, this has promoted to handle the absorption of gas or processing steam from air/processing gas or air/processing steam mixture, and influences the overall consumption of energy.

In addition, flow through module and preferably also be configured to adiabaticly, and they are provided with heat-conduction component with the heat of guiding by above-mentioned heating element heater dissipation, or the heat that is absorbed by above-mentioned cooling element, and described heat is respectively to absorption piece or discharge from here.

This means another restriction of energy consumption.

And, the release of handling gas or processing steam can have the device of ventilation or exhaust component and become more efficient by providing according to the present invention, this ventilation or exhaust component can be worked in the mode of pulsation, for example, one diaphragm pump is provided, this pump is preferably made to such an extent that have two diaphragms, and is provided with leak detector.

As previously discussed, present embodiment allows to operate faster, and has the energy saving effect.

Description of drawings

In order to explain feature of the present invention better, referring to accompanying drawing, following preferred embodiment provides as the example that is not subjected to any way restriction, wherein:

The schematic diagram of Fig. 1 illustrates the device that is used for fumigating products according to of the present invention, and this device is connected to the space of placing the product for the treatment of fumigation;

Fig. 2 illustrates a modification of the F2 indicating section of Fig. 1.

Embodiment

Shown in Fig. 1, the device 1 that is used for fumigating products 3 in cell 3 that limits an enclosure space 4 or analog mainly is made of ventilation or exhaust apparatus 5, in the case, fan 6 is driven by electromotor 7, have suction tube 8 and discharge pipe 9, these two pipes path 10 and 11 of the wall 12 by being positioned at cell 3 respectively are connected to enclosure space 4.

What be provided with container 14 shapes that are filled with absorption piece 15 in discharge pipe 9 flows through module 13, and this absorption piece 15 makes and flows through module 13 and can absorb and handle gas or steam.

Container 14 preferably is configured to adiabatic.

Consider the absorption of handling gas or steam, these handle gases or steam can be, bromomethane gas for example, and absorption piece 15 can be made up of activated carbon or zeolite.

In addition, flow through module 13 and be provided with heating element heater 16, use this heating element heater, absorption piece 15 can be heated to a temperature, has been absorbed in the processing gas in the absorption piece 15 or has handled steam to be discharged once more under this temperature.

Under the situation that absorption piece is made up of activated carbon, in order to absorb bromomethane gas, the ability of heating element heater 16 is preferably selected such, can make activated carbon be heated to about 160 ℃ temperature, thereby discharges bromomethane gas once more.

Flow through module 13 and also be provided with cooling element 17, by this cooling element, absorption piece 15 can be cooled, thereby promotes post-treatment gas or the recovery of processing steam in absorption piece at fumigation.

In order to obtain from heating element heater 16 to absorption piece 15 sufficient heat conduction, or the sufficient heat dissipation from absorption piece 15 to above-mentioned cooling element 17, flow through module 13 and preferably be equipped with heat-conduction component 18.

The inlet 19 and the outlet 20 that flow through module 13 can be respectively with inlet valve 21 and outlet valve 22 sealings, in the case, these valves are the motor-driven valves that are connected to control module 25 respectively via electric conductor 23 and 24, the feasible opening and

closing valve

21 and 22 automatically of this control module.

Electromotor 7, heating element heater 16 and cooling element 17 also can be by control module 25 respectively via conductor 26,27-28 and 29-30 controls.

Flow through the probe 32 that module 13 also is equipped with a temp probe 31 and measures the degree of saturation of absorption piece 15.

Moreover, the height that another probe 33 can be arranged on passage 11, discharge pipe 9 is connected to enclosure space 4 herein, uses processing gas or the concentration of processing steam of this probe 33 in enclosure space 4 can be measured.

The

probe

31,32 and 33 each respectively a signal is sent to control module 25 via conductor 34,35 and 36.This control module 25 is provided with an algorithm, and this algorithm makes it possible to control the valve 21 that flows through module 13 and 22 and electromotor 7, heating element heater 16 and cooling element 17 as the function from 31,32 and 33 signals that obtain of popping one's head in.

In order to be placed on the product 2 in the cell 3 according to method fumigation of the present invention, at first be connected with 11 via path 10 according to device 1 of the present invention.

The device 1 that has connected contains a certain amount of processing gas or steam, and this processing gas or steam have been absorbed in the absorption piece 15 that flows through module 13.

If necessary, processing gas or the steam corresponding to the absolute saturated maximum of the absorption piece 15 that flows through module 13 can be stored.

Controlled unit 25 keeps closing when inlet valve 21 and outlet valve 22 beginnings, and heating element heater 16 and electromotor 7 are closed (switch off).

When personnel have left cell 3 and cell 3 when closing gas-tight seal as far as possible well such as whole doors 37, window, control module 25 is enabled heating element heater 16, as its as a result absorption piece 15 be heated.

Temp probe 31 is measured the temperature of absorption piece 15, in case temperature is enough high, can be absorbed parts release thereby make to handle gas or handle steam, and

valve

21 and 22 is opened with regard to controlled unit, and electromotor 7 is activated with drive fan 6.

Fan 6 leaves cell 3 via suction tube 8 suction airs, and via discharge pipe 9 and carry air by the absorption piece 15 that flows through module 13 and return cell 3.

Therefore processing gas that discharges when heating or processing steam mix with the air of circulation.This mixture is ventilated or intake system 5 is blown on all directions, and as its result, cell 3 is by air and handle gas or the mixture filling of steam, thereby makes pending product 2 be exposed to the processing gas in the space 4 or handle under the effect of steam.

Discharge efficient when handling gases or handling steam in order to improve from absorption piece 15, suggestion is not adopted constant ventilation and is ventilated or exhaust apparatus 5 with a kind of pulse mode control.

The mode that can realize this point is for example by using diaphragm pump to replace fan 6.

Because the pulsation work of diaphragm pump does not have or does not pass through basically the ventilation of absorption piece 15 in certain period.Thereby the heat of supplying with by heating element heater 16 can not offset by any ventilation during this period, so energy loss is less.

Diaphragm pump during by absorption piece 15, is considered fumigation with the pulsation of rear drive forced ventilation after this period, and processing gas that discharges from absorption piece 15 by heating or steam are displaced subsequently flows through module 13.

This diaphragm pump preferably is configured to double diaphragm pump, and is provided with leak detector.

Present embodiment guarantees high protection, and therefore the leakage in a diaphragm is not must mean to handle gas or steam can be escaped, and leak detector can transmit a signal, thereby reports to the police to the operator.

In addition, preferably use a kind of high pressure diaphragm pump, thereby obtain a kind of device 1 of compactness, and sufficient transmission can be provided.

The pressure that uses this high pressure diaphragm pump to obtain must not be excessive, yet this pressure is about 1bar.

Probe

32 and 33 is measured the processing gas of existence in absorber element 15 and the cell 3 or the amount of steam respectively.By the signal of handling two

probes

32 and 33, control module 25 can check whether fully the processing gas or the steam of amount are discharged by absorption piece 15, and the concentration of the processing gas in cell 3 or steam is fully high, if like this, control module 25 will be closed (switch off) heating element heater 16, this control module is shut off

valve

21 and 22, and can stop fan 6.

In case in the sufficiently long time, by fumigation, processing just stops product 2 under sufficiently high concentration, and according to the present invention, processing gas or processing steam are recovered in the absorption piece 15 once more according to method hereinafter described.

Control module 25 is enabled cooling element 17, thereby makes absorption piece 15 can be cooled to a temperature, is absorbed at this Temperature Treatment gas or processing steam, rather than is released.

Ventilate or the mixture of getter device 6 blow air/processing gas or air/processing steam on all directions, as its result, when this mixture moves through the absorption piece 15 that flows through in the module 13, more and more handle gas or steam and be absorbed in once more in the absorption piece 15.

Signal from

probe

32 and 33 contrasts with predefined a reference value by another processing operation in control module 25 at this moment, thereby make absorption piece 15 degree that reaches capacity, and the concentration of processing gas in cell 3 or steam is enough low, and personnel can enter enclosure space 4 safely like this.

When the air in cell 3 cleans once more fully because of handling gas or processing steam fully or basically fully to reclaim, electromotor 7 controlled unit 25 stop, cooling element 17 is stopped using, and is positioned at the inlet tube 19 that flows through module 13 respectively and the

valve

21 and 22 of outlet 20 cuts out.

The door 37 of cell 3 can be opened, and install 1 now once more and can remove from cell 3 by throwing off suction tube 9 and the discharge pipe 10 highly located at path 10 and 11.

Can obviously find out, use, handle gas or handle steam and can in flowing through module 13, fully reclaim, and not handle gas or handle steam distribution and go in the open air according to method of the present invention.

Can also obviously find out, be connected to cell 3 by installing 1 once more, fumigation subsequently can use identical processing gas or identical processing steam to carry out.

Flow through module 13 and also can be provided with suitable connector, this connector makes it possible to throw off in a simple manner and flows through module 13, for example, handles gas or handles steam by special company's destruction or replacing thereby make.

Though above-described device 1 can be thrown off from cell 3 or analog, thereby device 1 can be moved to another place from a place, remover 1 is not connected to relevant cell 3 or analog with a kind of fixed form.

Consider the mobility of device, the size that flows through module 13 can limit best, when needing a large amount of processing gas or handling steam with box lunch, flowing through module 13 can be best by connected to one another mobile a series of by the module replacement, shown in Fig. 2.

Fig. 2 illustrates this layout, wherein is similar to the above-mentioned a series of modules 38 to 42 that flow through that flow through module 13 and is connected to each other by shared inlet header 43 and outlet header 44.

Each above-mentioned module 38 to 42 that flows through is provided with inlet valve 45 to 49, and outlet valve 50 to 54, and if desired, is provided with heating element heater, cooling element and one or several probes, and for the sake of brevity, these elements do not illustrate in Fig. 2.

In the example shown in Figure 2, if necessary, flowing through module 38 to 42 can be by bypass 55 bridge joint, and this bypass 55 is connected to outlet header 44 with inlet header 43, and is provided with a stop valve 56.

For fumigating products 2 or after using device 1 fumigation shown in Figure 2 according to a kind of method of the present invention, recycling gas or steam, class of operation is similar to the above.

Unique difference is to flow through module 38 to 42 can control in such a way by controlled parts 25, make and flow through the mixture that module is recycled air or air and processing gas or steam and one after the other flow through, one flows through module and connects one and flow through module, or several flow through module and one group Di flow through in groups.

For this purpose, for example, when fumigation, the heating element heater that flows through module 38 by control module 25, the first at first is activated, thereby the temperature of relevant absorption piece 15 is raise fully, handle gas or steam thereby discharge, after this, this

valve

45 and 50 that flows through module 38 is opened, and other valve 46 to 49,51 to 54 and 56 keeps cutting out, and electromotor 7 is activated.

In case flowing through module 38 from first, all gas discharges, electromotor 7 just stops, the heating element heater that flows through module 38 is stopped using, and

valve

45 and 50 cuts out, after this, and the follow-up module that flows through, for example flow through module 39, be heated to a temperature, under this temperature, be stored in the processing gas or the steam that flow through in the module 39 and be released.

In case met the requirements of temperature, the

valve

46 and 51 of control module 25 open flow by module 39, and control module 25 actuating motor 7 once more.Therefore admixture of gas will be by flowing through module 39 circulations, and other processing gas or steam will be absorbed in the admixture of gas.

Perhaps, need close for fear of electromotor 7, can use above-mentioned bypass 55, this bypass 55 can be worked as when one flows through module 38 and switches to the next one and flow through module 39, temporarily opens by stop valve 56.

By this way, flow through whole in the module 38 to 42 or several can be opened, meet the requirements of level up to processing gas in space 4 or the concentration of handling steam.

In a kind of similar mode, but mode is opposite, by from the space 4 suction mixtures and this mixture is flowed through subsequently can be cooled flow through the module 38 to 42 one or several, the processing gas of release or the processing steam of release are reclaimed once more.

Using several another advantages that flow through module is that each ability that flows through module can be used best, will be appreciated that, handle gas or handle the release efficiency of steam or their recovery, depend on the degree of saturation of admixture of gas, the degree of saturation of absorption piece 15 and difference between the two consumingly.

Should be clear, automaticity as requested, this device can be equipped with other probe and instrument, probe that these are other and instrument make it possible to by the suitable algorithm control valve that is stored in the control module, and institute's book algorithm is as making and can control from following group one or the function of several parameters:

-temperature in flowing through module 13,38 to 42;

-the degree of saturation of absorption piece 15 in flowing through module 13,38 to 42;

-temperature in space 4;

-the processing gas in space 4 or the concentration of steam;

-by ventilating or the pipe 8 of exhaust apparatus 5 and 9 flow; And

Leakage flow to open air.

The embodiment that provides as an example shown in the present invention never is limited in the accompanying drawing; On the contrary, be used for that this device of fumigating products can be configured to different shape and size under the condition that still keeps in the scope of the invention in enclosure space.Can use in other mode according to method of the present invention equally, as previously discussed.

Claims

1. the method that is used for fumigating products (2) in enclosure space (4), it is characterized in that, described method comprises: several that air in described space (4) are cycled through be provided with absorption piece (15) in loop flow through module (13,38-42), a certain amount of processing gas or steam in described absorption piece (15), have been absorbed; Enable parts (16), this makes handles gas or handles steam when air just can discharge from absorption piece (15) at circulation time, processing gas or steam up to abundant amount have been blown in the enclosure space (4), after this, above-mentioned parts (16) are deactivated, in case and product (2) is by abundant fumigation, just by the mixture of (4) suction air/processing gas or air/processing steam and by making it by flowing through module (13 from the space, 38-42) circulation, be absorbed in the absorption piece (15) thereby make to handle gas or handle steam, the processing gas of release or the processing steam of release are reclaimed once more, with this, during fumigation, air is transmitted continuously by flowing through one or more in several modules (38-42), and other module seals, processing gas or steam up to abundant amount discharge from the relevant module (33-42) that flows through, perhaps processing gas or the steam up to abundant amount is present in the space (4), with this, when recycling gas or processing steam, the admixture of gas that comes from space (4) suction is transmitted continuously by flowing through one or more several modules (38-42), and other module seals, be sucked up to the processing gas of abundant amount or steam and left space (4), perhaps be stored in and flow through in the module (38-42) up to the gas of abundant amount or steam.

2. according to the method for claim 1, it is characterized in that to handle gas or handle steam in order to discharge, by enabling heating element heater (16), absorption piece (15) is heated.

3. according to the method for claim 1, it is characterized in that in order to recycle gas or to handle steam, by enabling cooling element (17), absorption piece (15) is cooled.

4. according to the method for claim 1, it is characterized in that, handle gas or handle steam, also apply the forced ventilation of pulsation in order to discharge from absorption piece (15).

5. according to the method for claim 1, it is characterized in that, for fumigation, use bromomethane as handling gas, described processing gas is absorbed in the activated carbon as absorption piece (15).

6. be used for the device (1) of method fumigating products (2) in an enclosure space (4) according to any one of aforementioned claim, it is characterized in that, described device (1) mainly is made of ventilation that has suction tube (8) and discharge pipe (9) or exhaust apparatus (5), described suction tube and discharge pipe can be connected to above-mentioned space (4), thereby at described two pipes (3, what be provided with at least one container (14) form in 9) one flows through module (13,38-42), described container (14) is filled with absorption piece (15), described absorption piece (15) makes it possible to absorb processing gas or steam, and the described module (13) that flows through is provided with parts (16), when described parts (16) when being activated, make it possible to discharge once more the processing gas of absorption or the processing steam of absorption.

7. according to the device of claim 6, it is characterized in that above-mentioned absorption piece (15) is made up of activated carbon.

8. according to the device of claim 6, it is characterized in that above-mentioned absorption piece (15) is made up of zeolite.

9. according to the device of claim 6, it is characterized in that described processing gas is bromomethane.

10. according to the device of claim 6, it is characterized in that the parts of the processing steam of above-mentioned processing gas that makes it possible to discharge once more absorption or absorption comprise heating element heater (16).

11. the device according to claim 10 is characterized in that, heating element heater (16) makes it possible to absorption piece (15) is heated at least 120 ℃.

12. the device according to claim 6 is characterized in that, flow through module (13,38-42) be provided with cooling element (17).

13. device according to claim 10, it is characterized in that, flow through module (13,38-42) be provided with heat-conduction component, the heat that absorbs with the heat that will be heated element (16) dissipation or the element that is cooled (17) is assigned to absorption piece (15) respectively and goes up or remove from absorption piece.

14. the device according to claim 10 is characterized in that, flow through module (13,38-42) be configured to adiabatic.

15. the device according to claim 6 is characterized in that, exhaust component (5) can be worked in the mode of pulsation.

16. the device according to claim 15 is characterized in that, exhaust component (5) comprises diaphragm pump.

17. the device according to claim 16 is characterized in that, diaphragm pump is made to such an extent that have two diaphragms, and diaphragm pump is provided with leak detector.

18. the device according to claim 6 is characterized in that, each inlet (19) and outlet (20) that flows through module (13) can seal by inlet valve (21) and outlet valve (22) respectively.

19., it is characterized in that in above-mentioned suction tube (8), being provided with several and flow through module (38-42) according to the device of claim 6.

20. the device according to claim 19 is characterized in that, flows through module (38-42) and is connected to suction tube (8) via shared inlet header (43) and shared outlet header (44).

21. the device according to claim 6 is characterized in that, is provided with several and flows through module (38-42) in above-mentioned discharge pipe (9).

22. the device according to claim 21 is characterized in that, flows through module (38-42) and is connected to discharge pipe (9) via shared inlet header (43) and shared outlet header (44).

23. the device according to claim 18 is characterized in that, valve (21,22,45-54,56) is in check valve, and is provided with control module (25) to control these valves (19,20,45-54,56).

24. device according to claim 23, it is characterized in that, control module (25) is configured to like this, of flowing through in the module (33-42) or several inlet valve and outlet valve are opened simultaneously, and other inlet valve and outlet valve of flowing through module is closed.

25. the device according to claim 24 is characterized in that, control module (25) is such, and the inlet valve and the outlet valve (45-54) that flow through module (38-42) are sequentially controlled, and flows through module (33-42) and is sequentially flow through thereby make.

26. device according to claim 23, it is characterized in that, control module (25) is provided with an algorithm, described algorithm makes it possible to control described valve (45-54) as the function of the signal of at least one probe (31-33), and described probe (31-33) makes it possible at least one in definite following parameters:

-flow through module (13,38-42) Nei temperature;

-flow through module (13, the 38-42) degree of saturation of Nei absorption piece (15);

Temperature in the-space (4);

Handle the concentration of gas or steam in-the space (4);

-by ventilating or the flow of the pipe (8,9) of exhaust apparatus (5); And

-to the leakage flow of open air.

27. the device according to claim 10 is characterized in that, heating element heater (16) makes it possible to absorption piece (15) is heated to 160 ℃.