CN216345389U - Emergency treatment device for gas cylinder leakage - Google Patents
Emergency treatment device for gas cylinder leakage Download PDFInfo
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- CN216345389U CN216345389U CN202121658237.0U CN202121658237U CN216345389U CN 216345389 U CN216345389 U CN 216345389U CN 202121658237 U CN202121658237 U CN 202121658237U CN 216345389 U CN216345389 U CN 216345389U
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Abstract
The utility model provides an emergency treatment device for gas cylinder leakage, which comprises a sealed cabin capable of being in threaded connection with a valve port of a gas cylinder, wherein the sealed cabin is sequentially connected with a dry-type adsorption unit and a wet-type tail gas treatment unit through a main pipeline. The emergency treatment device for gas cylinder leakage provided by the utility model has the advantages that: through being connected of sealed cabin and gas cylinder valve port, the gas that will leak is whole to be drawn forth through the sealed cabin, prevents that gas is excessive, and the gas that leaks is successively adsorbed through dry-type absorption unit and wet-type tail gas processing unit, secondary treatment such as reaction, ensures that gas is by safe processing, reduces the potential safety hazard, and sealed cabin volume is less moreover, and sealing that can be convenient can carry out interim sealed transportation to the gas cylinder, the quick convenient processing that leaks the gas cylinder.
Description
Technical Field
The utility model relates to the technical field of gas cylinder leakage treatment, in particular to an emergency treatment device for gas cylinder leakage.
Background
The high-purity special gas as a key raw material in the integrated circuit industry plays an important role in the integrated circuit industry, plays an indispensable role in solar photovoltaic, flat panel displays, compound semiconductor devices, petrochemical industry and optical fiber communication, and is widely applied to processes such as thin films, doping, etching, diffusion, vapor deposition and the like.
The high-purity electronic grade special gas needs to be stored and transported by using a gas cylinder, and during transportation or use, leakage may occur at a valve or a bottle opening thread, so that certain safety risk exists. The utility model discloses a utility model patent that publication number is CN210319407U discloses a gas steel bottle emergency treatment jar, places the steel bottle in handling the jar, collects and handles leaking gas, however this scheme need place the gas cylinder in the jar internally, and the operation degree of difficulty is great, and when the gas cylinder volume is great moreover, can't place in the jar internally, therefore this scheme uses the processing demand that the scene can not satisfy the gas cylinder of leaking completely.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a device for carrying out emergency treatment on a leaked gas cylinder.
The utility model solves the technical problems through the following technical scheme: the emergency treatment device for gas cylinder leakage comprises a sealed cabin which can be in threaded connection with a valve port of a gas cylinder, wherein the sealed cabin is sequentially connected with a dry adsorption unit and a wet tail gas treatment unit through a main pipeline.
The gas cylinder leakage prevention device leads out all leaked gas through the sealed cabin by connecting the sealed cabin with the valve port of the gas cylinder, prevents the gas from overflowing, ensures that the gas is safely treated by secondary treatment such as adsorption, reaction and the like after the leaked gas passes through the dry adsorption unit and the wet tail gas treatment unit in sequence, reduces potential safety hazards, has small volume, can be conveniently sealed on the gas cylinder, can temporarily seal and transport the gas cylinder, and can quickly and conveniently treat the leaked gas cylinder.
Preferably, the wet tail gas treatment unit is a wet tail gas treatment tower in a fume hood.
Preferably, a vacuum pump is further arranged between the dry adsorption unit and the sealed cabin.
Preferably, the vacuum pump is connected in parallel with the main pipeline of the dry adsorption unit, and a fifth valve and a sixth valve are respectively arranged on the parallel pipelines in front of and behind the vacuum pump.
Preferably, a fourth valve is arranged on the main pipeline between the vacuum pump parallel connection positions, a third valve is arranged at the joint of the sealed cabin and the main pipeline, and a seventh valve is arranged on the main pipeline at the downstream of the vacuum pump.
Preferably, an eighth valve is further disposed between the dry adsorption unit and the wet tail gas treatment unit.
Preferably, the sealed cabin is also connected with a pressure gauge.
Preferably, the sealed cabin is further provided with a replacement interface, and the replacement interface is connected with a nitrogen bottle through a nitrogen pipeline.
Preferably, the replacement interface is provided with a second valve, and the nitrogen pipeline is provided with a first valve and a pressure regulating valve.
Preferably, a handle fixed with the sealed cabin is further arranged on the outer side of the sealed cabin along the radial direction.
The emergency treatment device for gas cylinder leakage provided by the utility model has the advantages that: through being connected of sealed cabin and gas cylinder valve port, the gas that will leak is whole to be drawn forth through the sealed cabin, prevents that gas is excessive, and the gas that leaks is successively adsorbed through dry-type absorption unit and wet-type tail gas processing unit, secondary treatment such as reaction, ensures that gas is by safe processing, reduces the potential safety hazard, and sealed cabin volume is less moreover, and sealing that can be convenient can carry out interim sealed transportation to the gas cylinder, the quick convenient processing that leaks the gas cylinder. All gases are pumped out through a vacuum pump and are replaced by nitrogen, so that safety risks are reduced.
Drawings
Fig. 1 is a schematic diagram of an emergency treatment device for gas cylinder leakage according to an embodiment of the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention are described below in detail and completely with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the embodiment provides an emergency treatment device for gas cylinder leakage, which includes a sealed cabin 2 capable of being screwed with a valve port of a gas cylinder 1, wherein the sealed cabin 2 is sequentially connected with a dry adsorption unit 3 and a wet tail gas treatment unit 4 through a main pipeline 21.
This embodiment is connected through sealed cabin 2 and the 1 valve port of gas cylinder, and the gas that will leak is whole to be drawn forth through sealed cabin 2, prevents that gas is excessive, and the gas that leaks is successively adsorbed by dry-type adsorption unit 3 and wet-type tail gas processing unit 4, secondary treatment such as reaction, ensures that gas is handled by the safety, reduces the potential safety hazard, and sealed cabin volume is less moreover, and sealing that can be convenient is on gas cylinder 1, can carry out interim sealed transportation to gas cylinder 1, the quick convenient processing of leaking the gas cylinder.
The dry adsorption unit 3 is mainly adsorbed by a filler such as activated carbon, the wet exhaust gas treatment unit 4 may be connected to the dry adsorption unit 3 through the main pipe 21 using a wet exhaust gas treatment tower in a fume hood, and an eighth valve 78 may be further provided between the dry adsorption unit 3 and the wet exhaust gas treatment unit 4.
Still be provided with vacuum pump 5 between sealed cabin 2 and the dry-type adsorption unit 3, accessible vacuum pump 5 carries out tail gas treatment with the high-purity gas suction in the gas cylinder 1, prevents the safety risk that residual gas leads to. The vacuum pump 5 is connected with the main pipeline 21 in parallel, a fifth valve 75 and a sixth valve 76 are respectively arranged on the parallel pipelines in front of and behind the vacuum pump 5, a fourth valve 74 is arranged on the main pipeline 21 between the positions where the vacuum pumps 5 are connected in parallel, a third valve 73 is arranged at the interface of the sealed cabin 2 connected with the main pipeline 21, and a seventh valve 77 is arranged on the main pipeline 21 at the downstream of the vacuum pump 5.
The sealed cabin 2 is further connected with a pressure gauge 22, the sealed cabin 2 is further provided with a replacement interface 23, the replacement interface 23 is connected with a nitrogen bottle 6 through a nitrogen pipeline 24, the replacement interface 23 is provided with a second valve 72, and the nitrogen pipeline 24 is provided with a first valve 71 and a pressure regulating valve 61. Can replace the gas in the gas cylinder 1 through nitrogen cylinder 6, come out the whole replacements of high-purity gas, prevent the remaining other safety risks that lead to.
For convenience of operation, handles 25 fixed with the capsule 2 are further arranged on the outer side of the capsule 2 along the radial direction, in the embodiment, one handle 25 is arranged on each of the symmetrical positions on the outer side of the capsule 2, and the capsule 2 can be screwed on the gas cylinder 1 by holding the handle 25.
The working process of the emergency treatment device provided by the embodiment is as follows:
s1: the first valve 71 and the fourth valve 74 are closed, the vacuum pump 5 is opened, the third valve 73, the fifth valve 75, the sixth valve 76, the seventh valve 77 and the eighth valve 78 are opened, the gas is discharged to the dry adsorption unit 3 through the vacuum pump 5 for treatment, and then is discharged to the wet tail gas treatment unit 4 through the eighth valve 78;
s2: repeatedly performing air suction treatment by the vacuum pump 5 for multiple times, closing the fifth valve 75 and the sixth valve 76, observing the value of the pressure gauge 22, closing the third valve 73, opening the first valve 71 and the second valve 72 after the pressure gauge 22 is unchanged, injecting nitrogen into the sealed cabin 2 to 0.15atm, closing the first valve 71 and the second valve 72, and standing for 2 hours;
s3: the nitrogen cylinder 6 is disassembled, the replacement interface 23 is connected with the vacuum sampling cylinder, the second valve 72 is opened, after sampling is finished, the second valve 72 is closed, the sampling cylinder is disassembled, and detection is carried out;
s4: if the concentration of the harmful gas in the sampling bottle is lower than the TLV (threshold value) of the harmful gas, the disposal is qualified; otherwise, repeating the steps S1-S4;
s5: after the treatment is completed, the third valve 73, the fifth valve 75 and the sixth valve 76 are opened, and the vacuum pump 5 evacuates the mixture again;
s5: the second valve 72 is opened, and the evacuation is repeated several times by the vacuum pump 5, and the gas in the gas cylinder and the emergency treatment device is replaced by air, so that the toxic substances adsorbed by the dry adsorption unit 3 are ensured to lose chemical activity.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. An emergency treatment device for gas cylinder leakage is characterized in that: the device comprises a sealed cabin which can be in threaded connection with a valve port of a gas cylinder, wherein the sealed cabin is sequentially connected with a dry-type adsorption unit and a wet-type tail gas treatment unit through a main pipeline.
2. An emergency treatment device for gas cylinder leaks according to claim 1, characterized in that: the wet tail gas treatment unit is a wet tail gas treatment tower in a fume hood.
3. An emergency treatment device for gas cylinder leaks according to claim 1, characterized in that: and a vacuum pump is also arranged between the dry type adsorption unit and the sealed cabin.
4. An emergency treatment device for gas cylinder leaks according to claim 3, characterized in that: the vacuum pump is connected with the main pipeline of the dry type adsorption unit in parallel, and a fifth valve and a sixth valve are respectively arranged on the parallel pipelines in front of and behind the vacuum pump.
5. An emergency treatment device for gas cylinder leaks according to claim 4, characterized in that: and a fourth valve is arranged on the main pipeline between the vacuum pump parallel connection positions, a third valve is arranged at the joint of the sealed cabin and the main pipeline, and a seventh valve is arranged on the main pipeline at the downstream of the vacuum pump.
6. An emergency treatment device for gas cylinder leaks according to claim 1, characterized in that: an eighth valve is further arranged between the dry type adsorption unit and the wet type tail gas treatment unit.
7. An emergency treatment device for gas cylinder leaks according to claim 1, characterized in that: the sealed cabin is also connected with a pressure gauge.
8. An emergency treatment device for gas cylinder leaks according to claim 1, characterized in that: the sealed cabin is also provided with a replacement interface, and the replacement interface is connected with a nitrogen bottle through a nitrogen pipeline.
9. An emergency treatment device for gas cylinder leaks according to claim 8, characterized in that: the replacement interface is provided with a second valve, and the nitrogen pipeline is provided with a first valve and a pressure regulating valve.
10. An emergency treatment device for gas cylinder leaks according to claim 1, characterized in that: and a handle fixed with the sealed cabin is also arranged on the outer side of the sealed cabin along the radial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121658237.0U CN216345389U (en) | 2021-07-20 | 2021-07-20 | Emergency treatment device for gas cylinder leakage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121658237.0U CN216345389U (en) | 2021-07-20 | 2021-07-20 | Emergency treatment device for gas cylinder leakage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216345389U true CN216345389U (en) | 2022-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121658237.0U Active CN216345389U (en) | 2021-07-20 | 2021-07-20 | Emergency treatment device for gas cylinder leakage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216345389U (en) |
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2021
- 2021-07-20 CN CN202121658237.0U patent/CN216345389U/en active Active
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