CN220623693U - Sulfur hexafluoride cathode hydrogen explosion venting device - Google Patents
Sulfur hexafluoride cathode hydrogen explosion venting device Download PDFInfo
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- CN220623693U CN220623693U CN202322289788.XU CN202322289788U CN220623693U CN 220623693 U CN220623693 U CN 220623693U CN 202322289788 U CN202322289788 U CN 202322289788U CN 220623693 U CN220623693 U CN 220623693U
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- hydrogen
- explosion venting
- water
- sulfur hexafluoride
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 93
- 239000001257 hydrogen Substances 0.000 title claims abstract description 93
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 93
- 238000004880 explosion Methods 0.000 title claims abstract description 63
- 238000013022 venting Methods 0.000 title claims abstract description 60
- 229910018503 SF6 Inorganic materials 0.000 title claims abstract description 27
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 229960000909 sulfur hexafluoride Drugs 0.000 title claims abstract description 27
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 111
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 107
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 55
- 238000007664 blowing Methods 0.000 claims abstract description 39
- 230000001502 supplementing effect Effects 0.000 claims abstract description 25
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 238000005070 sampling Methods 0.000 claims description 11
- 239000010865 sewage Substances 0.000 claims description 2
- 238000007789 sealing Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 239000007789 gas Substances 0.000 description 6
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 4
- 229910052731 fluorine Inorganic materials 0.000 description 4
- 239000011737 fluorine Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000013589 supplement Substances 0.000 description 4
- 238000004544 sputter deposition Methods 0.000 description 2
- XGCDHPDIERKJPT-UHFFFAOYSA-N [F].[S] Chemical compound [F].[S] XGCDHPDIERKJPT-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000009469 supplementation Effects 0.000 description 1
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- Control Of Non-Electrical Variables (AREA)
Abstract
The utility model belongs to the technical field of explosion venting devices, and particularly relates to a nitrogen protection splash-proof explosion venting device. The sulfur hexafluoride cathode hydrogen explosion venting device comprises an explosion venting tank, wherein the explosion venting tank is divided into a first section and a second section, a hydrogen conveying pipe penetrates through the second section, a water seal pipe is connected to the hydrogen conveying pipe in the second section, a lowest water level line and a highest water level line are arranged in the second section, a water supplementing pipe is arranged in the first section, and the water supplementing pipe is in liquid level interlocking with the lowest water level line and the highest water level line; the first section is provided with a hydrogen detector and a second nitrogen blowing port in sequence from top to bottom, and the hydrogen detector and the second nitrogen blowing port perform alarm interlocking; the first section is also provided with a first nitrogen blowing port. According to the sulfur hexafluoride cathode hydrogen explosion venting device, the explosion venting tank is closed, so that the purpose of water seal explosion venting can be achieved, and the problem of potential safety hazard caused by liquid splashing can be avoided.
Description
Technical Field
The utility model belongs to the technical field of explosion venting devices, and particularly relates to a nitrogen protection splash-proof explosion venting device.
Background
The production of sulfur hexafluoride mainly includes the processes of electrolytic fluorine production, fluorine-sulfur combination, high-temperature pyrolysis, purification, rectification and the like, in the electrolytic fluorine production, fluorine gas is produced by electrolyzing anhydrous molten electrolyte, and hydrogen is produced by a cathode. In the production of sulfur hexafluoride, electrolysis is carried out to prepare fluorine, a cathode generates hydrogen, the hydrogen is required to be introduced into a next device for utilization or conversion, but pipeline conveying capacity is limited, currently, in order to prevent hydrogen leakage and explosion, a safety hidden danger is required to be generated, a explosion venting pipeline of the hydrogen is required to be placed in a bucket or other open water containing devices, two problems are brought about at the moment, firstly, the hydrogen is directly discharged through water seal to be discharged outwards when the pipeline is positive pressure, the danger of centralized discharge in the environment is increased, and great safety hidden danger exists; secondly, after a certain device is blocked, the pressure release process can cause liquid in the water sealing device to splash outdoors, so that personal safety is threatened, and the escaped hydrogen is mixed with air, so that the explosion risk is high.
Therefore, it is highly desirable to provide a safe and splash-proof explosion venting device for sulfur hexafluoride cathode tail gas hydrogen pipelines.
CN116608406a discloses a hydrogen storage tank capable of automatically releasing pressure and alarming, which is provided with a nitrogen gas filled between an outer layer sleeve and an inner layer tank for storing hydrogen and an alarm device for preventing hydrogen leakage, but the device is difficult to be used for an explosion-proof device of tail gas hydrogen of sulfur hexafluoride and cannot be used with other devices for electrolyzing sulfur hexafluoride.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art, and provides the sulfur hexafluoride cathode hydrogen explosion venting device, which can realize the purpose of water seal explosion venting and avoid the potential safety hazard caused by liquid splashing by arranging the explosion venting tank to be closed.
The utility model is realized by adopting the following technical scheme:
the sulfur hexafluoride cathode hydrogen explosion venting device comprises an explosion venting tank, wherein the explosion venting tank is divided into a first section and a second section, a hydrogen conveying pipe penetrates through the second section, a water seal pipe is connected to the hydrogen conveying pipe in the second section, a lowest water level line and a highest water level line are arranged in the second section, a water supplementing pipe is arranged in the first section, and the water supplementing pipe is in liquid level interlocking with the lowest water level line and the highest water level line; the first section is provided with a hydrogen detector and a second nitrogen blowing port in sequence from top to bottom, and the hydrogen detector and the second nitrogen blowing port perform alarm interlocking; the first section is also provided with a first nitrogen blowing port.
Preferably, the water supplementing pipe is provided with a water supplementing valve which is mainly used for supplementing the water level in the explosion venting tank.
Preferably, the first nitrogen blowing valve is arranged at the first nitrogen blowing port and is a normally open nitrogen inlet, and the nitrogen blowing valve is normally open to ensure the nitrogen charging state in the device. The second nitrogen blowing port is provided with a second nitrogen blowing valve which is interlocked with the hydrogen detector, and when the hydrogen detector detects that the concentration of hydrogen exceeds the standard, the alarm is given out and interlocked with the second nitrogen blowing valve, and the nitrogen is fed into the second nitrogen blowing port to disperse and dilute the hydrogen.
Preferably, the lowest water level line is provided with a lowest water level valve, the highest water level line is provided with a highest water level valve, the main function of the lowest water level valve is to interlock with the water supplementing pipe to supplement water when the water level is low, the water sealing pipe is ensured to be in a water sealing state all the time, the liquid level is lower than the lowest water level line to supplement water automatically, and the water supplementing is stopped automatically when the liquid level is higher than the highest water level line.
Preferably, the caliber of the second section of the explosion venting tank is larger than that of the first section, the first section is an upper section, the effects of hydrogen leakage, alarm treatment and nitrogen supplementation are mainly detected, and the second section is a lower section, mainly a water seal environment is provided, so that normal operation of water seal is ensured.
Preferably, the first section is provided with a sampling port, and a sampling valve is arranged at the sampling port and is mainly used for sampling and detecting.
Preferably, the second section is provided with a hydrogen water inlet seal and a hydrogen water outlet seal, and the hydrogen conveying pipe passes through the hydrogen water inlet seal and the hydrogen water outlet seal.
Preferably, the second section is provided with a level gauge.
Preferably, the explosion venting tank is provided with a window.
Preferably, the first section of the explosion venting tank is provided with a discharge port.
Preferably, the second section of the explosion venting tank is provided with a drain outlet, and a drain valve is arranged at the drain outlet.
According to the sulfur hexafluoride cathode hydrogen explosion venting device, hydrogen is normally input into the next device from the hydrogen conveying pipe, when hydrogen is pressurized, the hydrogen overflows from the water seal pipe, nitrogen passing through the normally-open first nitrogen blowing port is diluted, then the gas upwards goes through the hydrogen detector, the hydrogen detector alarms and is interlocked with the second nitrogen blowing port, the second nitrogen blowing valve is opened, the input of the nitrogen is increased, the hydrogen is further diluted, and sputtering of the water seal pipe cannot leak in the leakage process. The lower water seal section of the explosion venting tank is provided with the highest water level line and the lowest water level line, and is interlocked with the water supplementing pipe, so that when the water level is less and insufficient to meet the water seal pipe requirement, water can be automatically supplemented, and the safety and the reliability are realized.
The beneficial effects of the utility model are as follows:
(1) The sulfur hexafluoride cathode hydrogen explosion venting device is improved from an original open water sealing mode to a semi-open explosion venting tank, so that positive-pressure spraying of a sulfur hexafluoride electrolytic tank in front of the explosion venting device is avoided, liquid splashing to the surrounding environment is avoided, and potential safety hazards are avoided.
(2) The sulfur hexafluoride cathode hydrogen explosion venting device is provided with the first nitrogen port, and is protected by nitrogen in daily life, so that the mixed explosion of escaping hydrogen and air during pressure relief is avoided.
(3) The sulfur hexafluoride cathode hydrogen explosion venting device has high automation degree, the water sealing liquid level of the explosion venting tank is interlocked with the water supplementing valve of the water supplementing port, and the explosion venting tank automatically supplements water; the second nitrogen blowing port is interlocked with the internal explosion-proof hydrogen alarm, the hydrogen concentration reaches an alarm value, and the nitrogen blowing is automatically increased.
Drawings
Fig. 1 is a schematic structural diagram of a sulfur hexafluoride cathode hydrogen explosion venting device of the utility model.
In the figure: 1. explosion venting tank; 1-1, a first section; 1-2, a second section; 2. a hydrogen gas delivery pipe; 3. sealing the hydrogen inlet; 4. sealing the hydrogen outlet; 5. sealing the pipe by water; 6. a window; 7. a sampling port; 7-1, a sampling valve; 8. a hydrogen detector; 9. a second nitrogen blowing port; 9-1, a second nitrogen blowing valve; 10. a first nitrogen blowing port; 10-1, a first nitrogen blowing valve; 11. a water supplementing pipe; 11-1, a water supplementing valve; 12. a liquid level gauge; 13. a lowest water line; 13-1, a lowest water level valve; 14. a highest water line; 14-1, highest water level valve; 15. a discharge port; 16. a sewage outlet; 16-1, a blow-down valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without creative efforts, based on the described embodiments of the present utility model fall within the protection scope of the present utility model.
Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. The connection between the pipeline and the tank body, the linkage control of the liquid level interlocking, the hydrogen detector and the nitrogen blowing port, and the design of the liquid level meter on the tank body are all the connection modes and the control in the prior art, so the detailed structure of the liquid level meter is not described in a related way. The utility model is not further described on its structure, but is utilized in the prior art as long as the function is achieved.
As shown in fig. 1, the sulfur hexafluoride cathode hydrogen explosion venting device comprises an explosion venting tank 1, wherein the explosion venting tank 1 is divided into a first section 1-1 and a second section 1-2, a hydrogen conveying pipe 2 passes through the second section 1-2, a water seal pipe 5 is connected to the hydrogen conveying pipe 2 in the second section 1-2, a lowest water level line 13 and a highest water level line 14 are arranged in the second section 1-2, a water supplementing pipe 11 is arranged in the first section 1-1, and the water supplementing pipe 11 is in liquid level interlocking with the lowest water level line 13 and the highest water level line 14; the first section 1-1 is provided with a hydrogen detector 8 and a second nitrogen blowing port 9 in sequence from top to bottom, and the hydrogen detector 8 and the second nitrogen blowing port 9 perform alarm interlocking; the first section 1-1 is also provided with a first nitrogen blowing port 10.
The water supplementing pipe 11 is provided with a water supplementing valve 11-1 which is mainly used for supplementing the water level in the explosion venting tank 1.
The first nitrogen blowing port 10 is provided with a first nitrogen blowing valve 10-1 which is a normally open nitrogen inlet and is normally open nitrogen blowing, so that the nitrogen charging state in the device is ensured. The second nitrogen blowing opening 9 is provided with a second nitrogen blowing valve 9-1 which is interlocked with the hydrogen detector 8, and when the hydrogen detector 8 detects that the concentration of hydrogen exceeds the standard, the alarm is given out and interlocked with the second nitrogen blowing valve 9-1, and the nitrogen is fed into the second nitrogen blowing opening 9 to disperse and dilute the hydrogen.
The lowest water level valve 13-1 is arranged at the lowest water level line 13, the highest water level valve 14-1 is arranged at the highest water level line 14, the main function of the valve is to interlock with the water supplementing pipe to provide water supplementing when the water level is low, the water sealing pipe is ensured to be always in a water sealing state, the water level is lower than the lowest water level line to automatically supplement water, and the water supplementing is automatically stopped when the water level is higher than the highest water level line.
The caliber of the second section 1-2 of the explosion venting tank 1 is larger than that of the first section 1-1.
The first section 1-1 is provided with a sampling port 7, and a sampling valve 7-1 is arranged at the sampling port 7 and is mainly used for sampling detection.
The second section 1-2 is provided with a hydrogen inlet seal 3 and a hydrogen outlet seal 4, and the hydrogen delivery pipe 2 passes through the hydrogen inlet seal 3 and the hydrogen outlet seal 4.
The second section 1-2 is provided with a level gauge 12.
The explosion venting tank 1 is provided with a window 6.
The first section 1-1 of the explosion venting tank 1 is provided with a discharge opening 15.
The second section 1-2 of the explosion venting tank 1 is provided with a drain outlet 16, and a drain valve 16-1 is arranged at the drain outlet 16.
The use process of the utility model is as follows: the hydrogen is normally input into the next device from the hydrogen conveying pipe 2, when the hydrogen is pressurized, the hydrogen overflows from the water seal pipe 5, the nitrogen is diluted through the normally-opened first nitrogen blowing port 10, then the gas goes upwards, the hydrogen is alarmed through the hydrogen detector 8, the hydrogen detector 8 and the interlocked second nitrogen blowing port 9 are used for alarming, the second nitrogen blowing valve 9-1 is opened, the input of the nitrogen is enlarged, the hydrogen is further diluted, and in the leakage process, the sputtering of the water seal pipe 5 can not be leaked. And the lower water seal section of the explosion venting tank 1 is provided with a highest water level line 14 and a lowest water level line 13, and is interlocked with the water supplementing pipe 11, so that when the water level is less and insufficient to meet the water seal pipe requirement, water can be automatically supplemented, and the safety and the reliability are realized.
The utility model is mainly applied to explosion venting treatment of the sulfur hexafluoride cathode tail gas hydrogen pipeline, can realize water seal explosion venting, can avoid liquid splashing to avoid potential safety hazards, and has nitrogen protection in the whole process of hydrogen escaping in the pressure relief process to avoid potential safety hazards.
Of course, the foregoing is merely preferred embodiments of the present utility model and is not to be construed as limiting the scope of the embodiments of the present utility model. The present utility model is not limited to the above examples, and those skilled in the art will appreciate that the present utility model is capable of equally varying and improving within the spirit and scope of the present utility model.
Claims (8)
1. The utility model provides a sulfur hexafluoride cathode hydrogen lets out and explodes device which characterized in that: the device comprises an explosion venting tank (1), wherein the explosion venting tank (1) is divided into a first section (1-1) and a second section (1-2), a hydrogen conveying pipe (2) penetrates through the second section (1-2), a water seal pipe (5) is connected to the hydrogen conveying pipe (2) in the second section (1-2), a lowest water level line (13) and a highest water level line (14) are arranged in the second section (1-2), a water supplementing pipe (11) is arranged in the first section (1-1), and the water supplementing pipe (11) is in liquid level interlocking with the lowest water level line (13) and the highest water level line (14); the first section (1-1) is provided with a hydrogen detector (8) and a second nitrogen blowing port (9) in sequence from top to bottom, and the hydrogen detector (8) and the second nitrogen blowing port (9) perform alarm interlocking; the first section (1-1) is also provided with a first nitrogen blowing port (10).
2. The sulfur hexafluoride cathode hydrogen explosion venting device of claim 1, wherein: the caliber of the second section (1-2) of the explosion venting tank (1) is larger than that of the first section (1-1).
3. The sulfur hexafluoride cathode hydrogen explosion venting device of claim 1, wherein: the first section (1-1) is provided with a sampling port (7).
4. The sulfur hexafluoride cathode hydrogen explosion venting device of claim 1, wherein: the second section (1-2) is provided with a hydrogen water inlet seal (3) and a hydrogen water outlet seal (4).
5. The sulfur hexafluoride cathode hydrogen explosion venting device of claim 1, wherein: the second section (1-2) is provided with a level gauge (12).
6. The sulfur hexafluoride cathode hydrogen explosion venting device of claim 1, wherein: the explosion venting tank (1) is provided with a window (6).
7. The sulfur hexafluoride cathode hydrogen explosion venting device of claim 1, wherein: the first section (1-1) of the explosion venting tank (1) is provided with a discharge port (15).
8. The sulfur hexafluoride cathode hydrogen explosion venting device of claim 1, wherein: the second section (1-2) of the explosion venting tank (1) is provided with a sewage outlet (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322289788.XU CN220623693U (en) | 2023-08-24 | 2023-08-24 | Sulfur hexafluoride cathode hydrogen explosion venting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322289788.XU CN220623693U (en) | 2023-08-24 | 2023-08-24 | Sulfur hexafluoride cathode hydrogen explosion venting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220623693U true CN220623693U (en) | 2024-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322289788.XU Active CN220623693U (en) | 2023-08-24 | 2023-08-24 | Sulfur hexafluoride cathode hydrogen explosion venting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220623693U (en) |
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2023
- 2023-08-24 CN CN202322289788.XU patent/CN220623693U/en active Active
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