CN218151027U - Water seal fire-retardant explosion-venting device for safe transportation of low-concentration gas - Google Patents
Water seal fire-retardant explosion-venting device for safe transportation of low-concentration gas Download PDFInfo
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- CN218151027U CN218151027U CN202222567830.5U CN202222567830U CN218151027U CN 218151027 U CN218151027 U CN 218151027U CN 202222567830 U CN202222567830 U CN 202222567830U CN 218151027 U CN218151027 U CN 218151027U
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Abstract
The utility model provides a water-seal fire-retardant explosion-venting device for safe transportation of low-concentration gas, which comprises a water-seal fire-retardant explosion-venting barrel, wherein one side of the water-seal fire-retardant explosion-venting barrel is connected with a liquid viewing pipe, an explosion-venting part is installed at the top of the water-seal fire-retardant explosion-venting barrel, one side of the water-seal fire-retardant explosion-venting barrel is connected with an air inlet pipe, and the other side of the water-seal fire-retardant explosion-venting barrel is connected with an air outlet pipe; and the top of the air outlet pipe is provided with a primary explosion-proof assembly. The utility model discloses a mutually support between fixed block, explosion-proof cover, fixed axle, sealing washer, stopper and the spring for under natural state, the elasticity of explosion-proof cover accessible spring is closed to the open-top of outlet duct automatically, thereby when taking place slight explosion, the shock wave that the explosion produced can make explosion-proof cover automatic closure, thereby can prevent effectively that flame from getting into the inside that the water seal back-fire relief was let out and is exploded the bucket, appears in order to prevent the condition of secondary explosion.
Description
Technical Field
The utility model belongs to the back-fire relief is let out and is exploded the device field, and specifically speaking is a water seal back-fire relief is let out and is exploded device is carried to low dense gas safety.
Background
The water seal fire-retardant explosion-venting device is a special device used in a coal mine gas pipeline conveying system and used for preventing shock waves generated by explosion from damaging a drainage system and preventing flames generated by explosion from being led into a well when the coal mine drainage gas is subjected to an accident explosion accident, so that the accident is prevented from being enlarged;
present water seal back-fire relief is let out and is exploded device when using, can not form coherent explosion through the isolation at the water seal down, the water seal back-fire relief is let out the part of exploding of letting out of exploding the bucket and is broken open the pressure release this moment to the protection is taken out and is put other equipment and not impaired, because the water seal back-fire relief is let out and explode the inside certain gas that can have of bucket, shock wave and flame that produce when the explosion spread into the water seal back-fire relief and let out when exploding the bucket inside, still can carry out the secondary explosion with the gas that has in the bucket, certain security threat nature has.
Therefore, to the above problem, the utility model provides a water seal back-fire relief is let out and is exploded device is carried to low dense gas safety to solve above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a water seal fire-retarding explosion-venting device for safe transportation of low-concentration gas, which solves the problems in the prior art;
in order to achieve the above object, the utility model provides a following technical scheme: a water-seal fire-retardant explosion-venting device for safe transportation of low-concentration gas comprises a water-seal fire-retardant explosion-venting barrel, wherein one side of the water-seal fire-retardant explosion-venting barrel is connected with a liquid viewing pipe, an explosion-venting component is installed at the top of the water-seal fire-retardant explosion-venting barrel, one side of the water-seal fire-retardant explosion-venting barrel is connected with an air inlet pipe, and the other side of the water-seal fire-retardant explosion-venting barrel is connected with an air outlet pipe;
and the top of the air outlet pipe is provided with a primary explosion-proof assembly.
Preferably, the air inlet pipe and the air outlet pipe are both communicated with the inside of the water-seal fire-retardant explosion venting barrel.
Preferably, the primary explosion-proof assembly comprises: two fixed blocks, explosion-proof cover, fixed axle, sealing washer, stopper and spring, two the fixed block is all connected at the open end inner wall at outlet duct top, two the fixed axle has all been inserted to the inside of fixed block.
Preferably, the outer wall of the fixed shaft is further sleeved with a spring, the two fixed shafts are connected with the explosion-proof cover, the outer wall of the explosion-proof cover is bonded with a sealing ring, and the limiting block is fixedly connected to the top surface of the air outlet pipe.
Preferably, one end of the spring is clamped in the fixed shaft, and the other end of the spring is clamped in the explosion-proof cover.
Preferably, the explosion-proof cover is in rotary elastic connection with the fixed block through the fixed shaft and the spring.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses a mutually support between fixed block, explosion-proof cover, fixed axle, sealing washer, stopper and the spring for under natural state, the elasticity of explosion-proof cover accessible spring is automatically closed to the open-top of outlet duct, thereby when taking place slight explosion, the shock wave that the explosion produced can make explosion-proof cover automatic closure, thereby can prevent effectively that flame from getting into the inside that the water seal back-fire relief explodes the bucket, in order to prevent that the condition of secondary explosion from appearing.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the cross-sectional structure of the present invention;
fig. 3 is a schematic view of a top-view cross-sectional structure of the primary explosion-proof assembly of the present invention.
In the figure:
1. water-sealed fire-retardant explosion-venting barrel; 2. a liquid viewing tube; 3. an explosion venting component; 4. an air inlet pipe; 5. an air outlet pipe; 6. a fixed block; 7. an explosion-proof cover; 8. a fixed shaft; 9. a seal ring; 10. a limiting block; 11. a spring.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in fig. 1-3, the utility model provides a water-seal fire-retardant explosion venting device is carried to low dense gas safety, including water-seal fire-retardant explosion venting barrel 1, one side of water-seal fire-retardant explosion venting barrel 1 is connected with sight pipe 2, sight pipe 2 can make things convenient for technical staff to see whether the position of water surface inside water-seal fire-retardant explosion venting barrel 1 meets the standard, namely whether the bottom of intake pipe 4 is crossed, explosion venting part 3 is installed at the top of water-seal fire-retardant explosion venting barrel 1, one side of water-seal fire-retardant explosion venting barrel 1 is connected with intake pipe 4, the air inlet pressure range of intake pipe 4 is between 5kpa and 30kpa, when making during air inlet, explosion-proof cover 7 can overturn to the interior of outlet duct 5, explosion venting part 3 also can not break, the opposite side of water-seal fire-retardant explosion venting barrel 1 is connected with outlet duct 5, intake pipe 4 and outlet duct 5 are all linked together with the inside of water-seal fire-retardant explosion venting barrel 1; the top of outlet duct 5 is provided with explosion-proof assembly once, and explosion-proof assembly once includes: two fixed blocks 6, explosion-proof lid 7, fixed axle 8, sealing washer 9, stopper 10 and spring 11, the open end inner wall at 5 tops of outlet duct is all connected to two fixed blocks 6, fixed axle 8 has all been inserted to the inside of two fixed blocks 6, spring 11 has still been cup jointed to the outer wall of fixed axle 8, the inside at fixed axle 8 of one end block of spring 11, and spring 11's the other end block is in the inside of explosion-proof lid 7, elasticity through spring 11, make explosion-proof lid 7 can close the top of outlet duct 5 under natural state, two fixed axles 8 all are connected with explosion-proof lid 7, explosion-proof lid 7 passes through to constitute between fixed axle 8 and spring 11 and the fixed block 6 and rotates elastic connection, the outer wall bonding of explosion-proof lid 7 has sealing washer 9, sealing washer 9 is the rubber material, can make between explosion-proof lid 7 and the outlet duct 5 sealed effect better, stopper 10 fixed connection is at the top surface of outlet duct 5, stopper 10 can effectively block explosion-proof lid 7 upset upwards, thereby can effectively prevent impact wave and the flame that slight explosion from spreading into the inside of water seal barrel 1.
The specific working principle is as follows: as shown in fig. 1-3, when the water-sealed fire-retardant explosion-venting device for safe transportation of low-concentration gas is used, firstly, the gas inlet pipe 4 and the gas outlet pipe 5 are respectively connected with a gas transportation pipeline, water is filled in the water-sealed fire-retardant explosion-venting barrel 1 to enable the water to submerge the bottom outlet end of the gas inlet pipe 4, when gas is pumped and released, gas enters the water through the gas inlet pipe 4 and is separated out of the water, the gas inlet pipe and the gas outlet pipe are isolated by the water seal, when an accidental explosion accident happens to the gas pumping and releasing pipeline, shock waves and flames generated by explosion can be transmitted through the gas outlet pipe 5, at the moment, the shock waves can drive the explosion-proof cover 7 to upwards overturn to seal and close the top of the gas outlet pipe 5, so that the shock waves and flames can be prevented from entering the inside the water-sealed fire-retardant explosion-venting barrel 1, so as to prevent the secondary explosion, if the impact force of the shock waves is large, the explosion-proof cover 7 can push the limit block 10 open, at the moment, coherent explosion can not be formed under the isolation of the water-sealed explosion-venting part 3 is opened, thereby protecting other pressure-releasing equipment and the water-pumping and protecting the water-venting pipeline from being damaged, and the safe transportation accident of the low-concentrated explosion-retardant explosion-venting device.
The embodiments of the present invention have been presented for purposes of illustration and description, and while embodiments of the invention have been illustrated and described above, it is to be understood that such embodiments are exemplary and are not to be construed as limiting of the present invention, as variations, modifications, substitutions and alterations may be made by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (6)
1. The utility model provides a low dense gas safety is carried water seal back-fire relief and is let out and explode device, includes that the water seal back-fire relief is let out and is exploded bucket (1), its characterized in that: one side of the water-seal fire-retardant explosion-venting barrel (1) is connected with a liquid viewing pipe (2), the top of the water-seal fire-retardant explosion-venting barrel (1) is provided with an explosion-venting component (3), one side of the water-seal fire-retardant explosion-venting barrel (1) is connected with an air inlet pipe (4), and the other side of the water-seal fire-retardant explosion-venting barrel (1) is connected with an air outlet pipe (5);
and a primary explosion-proof assembly is arranged at the top of the air outlet pipe (5).
2. The low-concentration gas safe conveying water-seal fire-retarding explosion-venting device as claimed in claim 1, characterized in that: the air inlet pipe (4) and the air outlet pipe (5) are both communicated with the inside of the water-seal fire-retardant explosion-venting barrel (1).
3. The low-concentration gas safe conveying water-seal fire-retarding explosion-venting device as claimed in claim 1, characterized in that: the primary explosion-proof assembly includes: two fixed blocks (6), explosion-proof cover (7), fixed axle (8), sealing washer (9), stopper (10) and spring (11), two fixed block (6) are all connected at the open end inner wall at outlet duct (5) top, two fixed axle (8) have all been inserted to the inside of fixed block (6).
4. The low-concentration gas safe conveying water-seal fire-retarding explosion-venting device as claimed in claim 3, characterized in that: the outer wall of fixed axle (8) has still cup jointed spring (11), two fixed axle (8) all are connected with explosion-proof cover (7), the outer wall bonding of explosion-proof cover (7) has sealing washer (9), stopper (10) fixed connection is at the top surface of outlet duct (5).
5. The low-concentration gas safe conveying water-seal fire-retarding explosion-venting device as claimed in claim 3, characterized in that: one end of the spring (11) is clamped in the fixed shaft (8), and the other end of the spring (11) is clamped in the explosion-proof cover (7).
6. The low-concentration gas safe conveying water-seal fire-retarding explosion-venting device as claimed in claim 3, characterized in that: the explosion-proof cover (7) is in rotary elastic connection with the fixed block (6) through the fixed shaft (8) and the spring (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222567830.5U CN218151027U (en) | 2022-09-28 | 2022-09-28 | Water seal fire-retardant explosion-venting device for safe transportation of low-concentration gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222567830.5U CN218151027U (en) | 2022-09-28 | 2022-09-28 | Water seal fire-retardant explosion-venting device for safe transportation of low-concentration gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218151027U true CN218151027U (en) | 2022-12-27 |
Family
ID=84564058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222567830.5U Active CN218151027U (en) | 2022-09-28 | 2022-09-28 | Water seal fire-retardant explosion-venting device for safe transportation of low-concentration gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218151027U (en) |
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2022
- 2022-09-28 CN CN202222567830.5U patent/CN218151027U/en active Active
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