CN220470738U - Prevent hydrogen sulfide fire-retardant breather valve - Google Patents
Prevent hydrogen sulfide fire-retardant breather valve Download PDFInfo
- Publication number
- CN220470738U CN220470738U CN202321591716.4U CN202321591716U CN220470738U CN 220470738 U CN220470738 U CN 220470738U CN 202321591716 U CN202321591716 U CN 202321591716U CN 220470738 U CN220470738 U CN 220470738U
- Authority
- CN
- China
- Prior art keywords
- fire
- breather valve
- port
- hydrogen sulfide
- valve body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 229910000037 hydrogen sulfide Inorganic materials 0.000 title claims abstract description 17
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 title claims description 16
- 239000003063 flame retardant Substances 0.000 title abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 33
- 238000012360 testing method Methods 0.000 claims abstract description 26
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 5
- 238000002955 isolation Methods 0.000 claims description 4
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 4
- 239000007779 soft material Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 2
- 230000009970 fire resistant effect Effects 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 19
- 238000001514 detection method Methods 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 6
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 9
- 210000004712 air sac Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Abstract
The utility model discloses an anti-hydrogen sulfide fire-retarding breather valve, and relates to the technical field of fire-retarding breather valve devices. The fire-retardant air-breathing valve comprises a fire-retardant air-breathing valve body, a sealing disc and a hollow tube, wherein a fire arrester and a testing port are arranged on the side wall surface of the fire-retardant air-breathing valve body, and a nitrogen inlet and an air bag mounting port are arranged on the other side wall surface of the fire-retardant air-breathing valve body. The device is mainly designed with a structure for isolating harmful gases and facilitating detection, the supporting rods on the sealing disc can effectively prevent the sealing disc from being misplaced in the tank, the device can realize online detection, the device does not need to be lifted for detection after moving, and after the air bag is arranged, screws and parts falling down in the operation process can not fall into a large tank containing the harmful gases. The device is easy and simple to handle, has increased the security reduction cost of detecting the fire-retardant breather valve, has improved maintenance detection efficiency, reduces harmful gas emission to can realize on-line measuring.
Description
Technical Field
The utility model relates to the technical field of fire-retardant breather valve devices, in particular to an anti-hydrogen sulfide fire-retardant breather valve.
Background
According to the specifications of national standard petrochemical industry design fire protection Specification (GB 50160-92): "fixed top tank of A, B liquid should be equipped with fire arrestor and breather valve". It can be seen that the breather valve and flame arrester are an indispensable safety facility for the tank. The device can not only maintain the air pressure balance of the storage tank and ensure that the storage tank is not damaged in the case of overpressure or vacuum, but also can reduce the volatilization and loss of the medium in the tank.
The state has standard requirements on overhauling the fire-retardant breather valve, one year is needed to be checked, the traditional device is required to be moved and disassembled by using a crane handle, and then the detection is carried out on the ground, so that the process is troublesome, and the cost of manpower and material resources required to be consumed is high.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the hydrogen sulfide fire-retarding breathing valve, which solves the problems that the existing device needs to be moved and disassembled by a crane and then is detected on the ground, the process is troublesome, and the cost of manpower and material resources required to be consumed is high.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a prevent hydrogen sulfide fire relief breather valve, includes fire relief breather valve body, sealing disk and hollow tube, the lateral wall face of fire relief breather valve body is equipped with flame arrester and test port, another lateral wall face of fire relief breather valve body is equipped with nitrogen gas entry and gasbag installing port, fire relief breather valve body lower extreme is equipped with flange, flange connects there is the big jar connecting pipe, this internal opening that is equipped with of fire relief breather valve, the opening lateral wall face is equipped with the sealing port, gasbag installing port internal rotation has connect the isolation plug, the test port internal rotation has connect the test valve, the hollow tube lateral wall face is equipped with double-barrelled gasbag, the hollow tube lower extreme is connected with the air pump.
Preferably, the upper wall surface of the sealing disc is hinged with a supporting rod, the sealing disc can be placed on the sealing port, and the sealing disc is slightly smaller than the testing port.
Preferably, the double-tube air bag is movably inserted in the air bag mounting opening, and one end of the double-tube air bag is placed in the opening.
Preferably, the strut is movable through the test port.
Preferably, one end of the double-tube air bag is made of soft material and can be inflated and deformed.
Preferably, the hollow tube is connected with the air pump.
Advantageous effects
The utility model provides a hydrogen sulfide fire-retarding breather valve, which is mainly designed to be used for isolating harmful gases and facilitating detection, under normal conditions, the hydrogen sulfide gas and the benzene gas in a large tank can be contacted with people, a worker needs to carry a gas mask to overhaul, the pressure of the large tank is very low, about 0.3 kg, partial nitrogen is filled through a nitrogen port, the whole breather valve is filled with nitrogen, after the air bag stretches into the device, the double-pipe air bag is inflated, the device is blocked after the air bag is filled with the air, the harmful gases are extruded into the large tank by the nitrogen, at the moment, a test port is opened, and the breather valve can be detached for detection and maintenance. The sealing plate is covered on the sealing port, the testing port is connected, all testing functions can be realized, the supporting rod on the sealing disc can effectively prevent the sealing disc from being misplaced in the tank, the device can realize online detection, the device does not need to be lifted for detection after moving, and after the air bag is arranged, screws and parts falling down in the operation process can not fall into a large tank containing harmful gas. The device is easy and simple to handle, has increased the security reduction cost of detecting the fire-retardant breather valve, has improved maintenance detection efficiency, reduces harmful gas emission to can realize on-line measuring.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is an internal schematic view of the present utility model.
Fig. 3 is a schematic view of the structure of the airbag of the present utility model.
Fig. 4 is a schematic view of a sealing disk connection structure of the present utility model.
FIG. 5 is a schematic diagram of the test state of the present utility model.
In the figure: 1. a flame arrester; 2. a fire-retardant breather valve body; 3. a nitrogen inlet; 4. an air bag mounting port; 5. a test port; 6. a sealing plate; 7. a support rod; 8. a connecting flange; 9. a large tank connecting pipe; 10. sealing the mouth; 11. a double tube balloon; 12. a hollow tube; 13. an air pump; 14. a spacer plug; 15. an opening; 16. and testing the valve.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a hydrogen sulfide fire relief breather valve, includes fire relief breather valve body 2, sealing disk 6 and hollow tube 12, the lateral wall face of fire relief breather valve body 2 is equipped with flame arrester 1 and test port 5, another lateral wall face of fire relief breather valve body 2 is equipped with nitrogen gas entry 3 and air sac erection port 4, the 2 lower extreme of fire relief breather valve body is equipped with flange 8, flange 8 is connected with big jar connecting pipe 9, be equipped with opening 15 in the fire relief breather valve body 2, opening 15 lateral wall face is equipped with sealing port 10, air sac erection port 4 internal rotation has connect isolation plug 14, test port 5 internal rotation has connect test valve 16, hollow tube 12 lateral wall face is equipped with double-barrelled gasbag 11, hollow tube 12 lower extreme is connected with air pump 13.
Further, the upper wall surface of the sealing disc 6 is hinged with a supporting rod 7, the sealing disc 6 can be placed on the sealing port 10, and the sealing disc 6 is slightly smaller than the testing port 5.
Further, the double tube airbag 11 is movably inserted into the airbag mounting opening 4, and one end of the double tube airbag 11 is placed in the opening 15.
Further, the strut 7 is movable through the test port 5.
Further, one end of the double-tube air bag 11 is made of soft material and can be inflated and deformed.
Further, the hollow tube 12 is connected to the air pump 13.
The detailed connection means are known in the art, and the following mainly describes the working principle and process, and the specific work is as follows.
Examples: the fire-retardant breather valve is a safety accessory arranged on a large tank of an oilfield petrochemical enterprise, is a communication device and mainly plays a role of a valve, and is connected with a testing valve by a flange and is fixed on a large tank connecting pipe 9 by a connecting flange 8. The device has the effect of preventing hydrogen sulfide gas and improving detection maintenance efficiency, harmful gas such as hydrogen sulfide gas, benzene gas in the big jar, through the nitrogen gas of following nitrogen gas entry 3 injection, whole inside is the harmful gas such as hydrogen sulfide gas, benzene gas of keeping apart, unscrew the isolation plug 14, install double-barrelled gasbag 11 through gasbag mounting hole 4, inject the air for double-barrelled gasbag 11, make double-barrelled gasbag 11 grow block up the device inside, make inside keep apart from top to bottom, hollow tube 12 and big jar interior space intercommunication of double-barrelled gasbag 11, can be used to outside connection manometer detects inside gas pressure. The valve 16 is tested by screwing off, the sealing disk 6 is placed on the sealing port 10 through the testing port 5, the space above the valve and below the valve are separated, the air tightness of the device is tested, the sealing disk is provided with a long supporting rod 7, the supporting rod 7 is paid out from the testing port, the sealing disk 6 is not taken out to test that the valve 16 is not installed, the sealing disk 6 is prevented from forgetting to take out, and after an air bag is arranged, screws and parts falling down in the operation process cannot fall into a large tank containing gas.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
Claims (6)
1. The utility model provides a prevent hydrogen sulfide fire relief breather valve, includes fire relief breather valve body (2), sealing disk (6) and hollow tube (12), its characterized in that, the lateral wall face of fire relief breather valve body (2) is equipped with flame arrester (1) and test port (5), another lateral wall face of fire relief breather valve body (2) is equipped with nitrogen gas entry (3) and air pump installation mouth (4), fire relief breather valve body (2) lower extreme is equipped with flange (8), flange (8) are connected with big jar connecting pipe (9), be equipped with opening (15) in fire relief breather valve body (2), opening (15) lateral wall face is equipped with sealing port (10), air pump installation mouth (4) internal rotation has isolation plug (14), test port (5) internal rotation has connect test valve (16), hollow tube (12) lateral wall face is equipped with double-barrelled gasbag (11), hollow tube (12) lower extreme is connected with air pump (13).
2. The hydrogen sulfide fire-retarding breather valve according to claim 1, wherein the upper wall surface of the sealing disc (6) is hinged with a supporting rod (7), the sealing disc (6) can be placed on the sealing port (10), and the sealing disc (6) is slightly smaller than the testing port (5).
3. A hydrogen sulfide-resistant fire-retarding breathing valve according to claim 1, characterized in that the double tube air bag (11) is movably inserted in the air bag mounting port (4), and one end of the double tube air bag (11) is placed in the opening (15).
4. A hydrogen sulphide fire-resistant breathing valve according to claim 2 wherein the strut (7) is movable through the test port (5).
5. The hydrogen sulfide-resistant fire-retarding breather valve according to claim 1, wherein one end of the double-tube air bag (11) is made of soft material and can be inflated and deformed.
6. A hydrogen sulfide-resistant fire-retarding breathing valve according to claim 1, characterized in that the hollow tube (12) is connected to the air pump (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321591716.4U CN220470738U (en) | 2023-06-21 | 2023-06-21 | Prevent hydrogen sulfide fire-retardant breather valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321591716.4U CN220470738U (en) | 2023-06-21 | 2023-06-21 | Prevent hydrogen sulfide fire-retardant breather valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220470738U true CN220470738U (en) | 2024-02-09 |
Family
ID=89800589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321591716.4U Active CN220470738U (en) | 2023-06-21 | 2023-06-21 | Prevent hydrogen sulfide fire-retardant breather valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220470738U (en) |
-
2023
- 2023-06-21 CN CN202321591716.4U patent/CN220470738U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208418152U (en) | A kind of jet fuel cabin nitrogen fills inerting unit | |
| CN220470738U (en) | Prevent hydrogen sulfide fire-retardant breather valve | |
| CN214743588U (en) | Integrated quick detection and replacement function integrated fire-retardant breather valve | |
| CN112577720B (en) | Pipe end flame arrester deflagration testing device and testing method | |
| CN210624176U (en) | Positive pressure nitrogen protection gas valve body isolation box | |
| CN105945868A (en) | Simple valve replacing tool | |
| CN102829320A (en) | Intelligent sensing large compressed natural gas bomb type antiexplosion pressure-relief underground gas storage well | |
| CN2780253Y (en) | Gas storage bottle type fire extinguisher | |
| CN202207417U (en) | Container valve | |
| CN211595014U (en) | Oil well oil-pulling tank truck closed loading device and special sealing cover assembly | |
| CN211168290U (en) | Safe active protection device for crude oil storage tank | |
| CN202350973U (en) | Pressure gauge seat capable of automatically preventing leakage | |
| CN108253300A (en) | Underground pressure regulating box | |
| CN217677618U (en) | Replacement detection device for online replacement of stock rod coal gas of safe blast furnace | |
| CN220690441U (en) | Split type tank upper breather valve and hydraulic safety valve detection device | |
| CN220744176U (en) | Sealed oil pipe structure of inner floating roof tank | |
| CN218995563U (en) | GIS equipment discharge fault quick positioning device | |
| CN205765967U (en) | A kind of simple valve converting tool | |
| CN109944564A (en) | A kind of high leakproofness casing tube equipment | |
| CN216141257U (en) | Built-in explosion-proof filling device that blocks of double-deck oil tank | |
| CN212880669U (en) | Low-noise gas pipeline conveying carbon dioxide explosion suppression device | |
| CN220185835U (en) | Auxiliary valve for detecting breather valve | |
| CN209871331U (en) | Oil tank is with a secondary seal clearance oil gas measuring device | |
| CN216489023U (en) | Multifunctional lightning rod for floating roof oil tank | |
| CN219729224U (en) | Nitrogen sealing system of methanol inner floating roof storage tank |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |