CN211068844U - Water-seal fire-retardant explosion-venting device gas turbulence water-carrying-prevention mechanism - Google Patents
Water-seal fire-retardant explosion-venting device gas turbulence water-carrying-prevention mechanism Download PDFInfo
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- CN211068844U CN211068844U CN201920935479.6U CN201920935479U CN211068844U CN 211068844 U CN211068844 U CN 211068844U CN 201920935479 U CN201920935479 U CN 201920935479U CN 211068844 U CN211068844 U CN 211068844U
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Abstract
The utility model provides a water seal fire-retardant explosion-venting device gas turbulence water-carrying-proof mechanism, which is characterized in that a gas turbulence cover, a shunt net and a water-blocking corrugated net are added in the water seal fire-retardant explosion-venting device structure, wherein, the gas turbulence cover is arranged at the position of the water seal barrel intake pipe close to the liquid level and adopts a conical structure; the flow distribution net is arranged between the wall of the water-sealed barrel and the wall of the air inlet pipe of the water-sealed barrel and is of an annular structure, and a flow distribution ring is arranged above the flow distribution net along the wall of the water-sealed barrel; the water-blocking corrugated net is arranged above the explosion venting barrel and is positioned between the barrel wall of the explosion venting barrel and the air inlet of the air outlet pipe of the explosion venting barrel. The utility model discloses the water yield of taking of the sealed water in the effectual reduction back-fire relief bucket, and can not cause the influence to the gas velocity of flow in the pipeline, avoid the waste of water resource, prevent effectively that the water seal height from becoming invalid, guarantee that the water seal back-fire relief explodes device flame extinction back-fire relief performance normal.
Description
Technical Field
The utility model relates to a water seal back-fire relief is let out and is exploded device, concretely relates to water seal back-fire relief is let out and is exploded device gaseous vortex and prevent taking water mechanism.
Background
The water seal fire-retardant explosion-venting device is an effective prevention and control means for preventing and controlling gas explosion of the existing coal mine gas extraction conveying pipeline, and the working principle of the device is that under the condition of normal conveying, gas flows from a gas inlet end to a gas outlet end through the fire-retardant explosion-venting device. When gas in the pipeline at the gas outlet end explodes or burns, the blast wave generated by explosion explodes the rupture disk and releases the explosion pressure; meanwhile, the sealing water plays roles of flame suppression and fire resistance, and gas explosion or combustion is prevented from being transmitted to the air inlet end pipeline, so that the purpose of protecting the air inlet end conveying pipeline and accessory equipment is achieved.
According to the national standard, the design pressure of gas transmission of a coal mine gas extraction pipeline is less than or equal to 30KPa, the gas transmission belongs to negative pressure drainage, when gas flows to a water seal fire-retarding explosion-venting device from a gas inlet end and then flows to a gas outlet end, the gas can pass through sealing water, bubbles are blown in the working process, the sealing water is pumped away along with gas flow, the effective water seal height is invalid, and the effects of flame and fire retarding cannot be achieved.
SUMMERY OF THE UTILITY MODEL
To the above situation, the utility model aims to: the utility model provides a water seal back-fire relief is let out and is exploded gaseous vortex and prevent taking water mechanism of device, its structure through letting out the explosion device back-fire relief bucket to the water seal back-fire relief is reformed transform, increases gaseous vortex cover, the ripple net that blocks water, avoids taking away sealed water in the course of the work, leads to effective water seal height to become invalid.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the gas turbulence water-carrying prevention mechanism of the water-sealed fire-retardant explosion-venting device is characterized in that a gas turbulence cover, a flow-dividing net and a water-blocking corrugated net are added in the structure of the water-sealed fire-retardant explosion-venting device, a water-sealed barrel in the related water-sealed fire-retardant explosion-venting device is connected with a gas communicating pipe above the explosion-venting barrel through a flange, and the bottom of the water-sealed barrel is connected with the gas communicating pipe through a water level communicating pipe; wherein, the gas turbulence cover is arranged at the position of the water seal barrel gas inlet pipe close to the liquid level and adopts a conical structure; the flow distribution net is arranged between the wall of the water-sealed barrel and the wall of the air inlet pipe of the water-sealed barrel and is of an annular structure, and a flow distribution ring is arranged above the flow distribution net along the wall of the water-sealed barrel; the water-blocking corrugated net is arranged above the explosion venting barrel and is positioned between the barrel wall of the explosion venting barrel and the air inlet of the air outlet pipe of the explosion venting barrel.
The gas turbulence cover adopts 3 Ø 25, and the mm pipe is fixed with the water seal bucket inlet duct welding.
The flow distribution net is made of stainless steel, is two-layered and 6-mesh, is of an annular groined grid structure, and is fixed with the water-sealed barrel body and the barrel wall through bolts.
The turbulent ring is a circular ring with the thickness of 3mm, and the width of the circular ring is 1/3-1/4 of the radius of the water seal barrel.
The water-blocking corrugated net is welded at intervals by adopting angle steel, and the thickness of the water-blocking corrugated net is about 70 mm. The water-blocking corrugated net is welded and fixed with the explosion venting barrel.
The utility model provides an among the technical scheme, utilize gas vortex cover toper structure to shunt the air current that admits air on the water seal bucket, reach the air current by the center to the purpose of diffusion all around, prevent to form the swirl at sealed water surface center, the air current after the reposition of redundant personnel is through behind sealed water, pass through the reposition of redundant personnel net again, utilize the two-layer 6 mesh grid structure of reposition of redundant personnel net can block partly bubbles and take up sealed water, and can form circulation annular vortex after receiving the vortex ring of the vortex of the reposition of redundant personnel through the reposition of redundant personnel net air current, sealed water droplet collides each other in the vortex, assemble rivers, the suppression is in back-fire relief.
The water-blocking corrugated net installed on the explosion venting bucket utilizes the Z-shaped corrugated structure to enable air flow to pass through the water-blocking corrugated net, sealed water drops brought up by the air flow are absorbed and gathered by the corrugated net, fall back into the explosion venting bucket by utilizing the gravity of the water drops, cannot enter an air outlet end pipeline, and then flow back into the fire-retarding bucket through a water level communicating section, so that the water level balance is ensured.
The utility model has the advantages that: the sealed water of taking of the back-fire relief bucket of can effectual reduction, and can not cause the influence to the gas velocity of flow in the pipeline, avoid the waste of water resource, prevent effectively that the water seal is high inefficacy, guarantee that the water seal back-fire relief explodes the device flame that disappears back-fire relief performance is normal.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
in the figure: 1. a water seal barrel; 2. venting the explosion barrel; 3. a gas communicating pipe; 4. a water level communicating pipe; 5. an air inlet pipe; 6. an air outlet pipe; 7. a gas turbulence cover; 8. a shunt ring; 9. a shunt network; 10. a water-blocking corrugated net.
Detailed Description
The present application is illustrated below by way of examples. As shown in fig. 1, the utility model provides a gas turbulence water-carrying prevention mechanism of a water-seal fire-retardant explosion-venting device, which is characterized in that a gas turbulence cover 7, a shunt net 9 and a water-blocking corrugated net 10 are added in the structure of the water-seal fire-retardant explosion-venting device, a water-seal barrel 1 in the related water-seal fire-retardant explosion-venting device is connected with a gas communicating pipe 3 above an explosion-venting barrel 2 through a flange, and the bottom of the water-seal fire-retardant explosion-venting device is connected through a water level communicating pipe 4; wherein, the gas turbulence cover 7 is arranged at the position of the gas inlet pipe 5 of the water seal barrel 1 close to the liquid level and adopts a conical structure; the flow distribution net 9 is arranged between the wall of the water seal barrel 1 and the wall of the air inlet pipe of the water seal barrel 1 and is of an annular structure, and a flow distribution ring 8 is arranged above the flow distribution net 10 along the wall of the water seal barrel 1; the water-blocking corrugated net 10 is arranged above the explosion venting barrel 2 and is positioned between the barrel wall of the explosion venting barrel 2 and the air inlet of the air outlet pipe 6 of the explosion venting barrel.
The gas turbulence water-carrying-prevention mechanism of the water-seal fire-retardant explosion-venting device can effectively reduce the water carrying amount of sealing water in the fire-retardant barrel, constantly ensure the effective water-seal height and avoid the failure of the flame-extinguishing and fire-retardant performance of the water-seal fire-retardant explosion-venting device; and the flow rate of gas in the pipeline cannot be influenced while the water carrying capacity of the sealing water is reduced, and the working performance of the whole pumping and conveying pipeline unit is influenced. In addition, the technical scheme that this application provided can reduce water seal back-fire relief and let out the water supply frequency of exploding the device at the water seal back-fire relief that has the automatic water supply function and let out the device of exploding, avoids the waste of water resource, saves national resources.
Claims (5)
1. A gas turbulence water-carrying prevention mechanism of a water-sealed fire-retardant explosion-venting device is characterized in that a gas turbulence cover, a flow-dividing net and a water-blocking corrugated net are added in the structure of the water-sealed fire-retardant explosion-venting device, a water-sealed barrel in the related water-sealed fire-retardant explosion-venting device is connected with a gas communicating pipe above the explosion-venting barrel through a flange, and the bottom of the water-sealed barrel is connected with the gas communicating pipe through a water level communicating pipe; the method is characterized in that: the gas turbulence cover is arranged at the position of the water seal barrel gas inlet pipe close to the liquid level and adopts a conical structure; the flow distribution net is arranged between the wall of the water-sealed barrel and the wall of the air inlet pipe of the water-sealed barrel and is of an annular structure, and a flow distribution ring is arranged above the flow distribution net along the wall of the water-sealed barrel; the water-blocking corrugated net is arranged above the explosion venting barrel and is positioned between the barrel wall of the explosion venting barrel and the air inlet of the air outlet pipe of the explosion venting barrel.
2. The gas turbulence water-carrying prevention mechanism of the water-seal fire-retardant explosion-venting device as claimed in claim 1, wherein the gas turbulence cover is formed by welding 3 pieces of Ø 25 mm round tubes and a water-seal barrel gas inlet pipeline.
3. The water-seal fire-retardant explosion-venting device gas turbulence water-carrying-prevention mechanism as claimed in claim 1, which is characterized in that: the flow distribution net is made of stainless steel, is two-layered and 6-mesh, is of an annular groined grid structure, and is fixed with the water-sealed barrel body and the barrel wall through bolts.
4. The water-seal fire-retardant explosion-venting device gas turbulence water-carrying-prevention mechanism as claimed in claim 1, which is characterized in that: the turbulent ring is a circular ring with the thickness of 3mm, and the width of the circular ring is 1/3-1/4 of the radius of the water seal barrel.
5. The water-seal fire-retardant explosion-venting device gas turbulence water-carrying-prevention mechanism as claimed in claim 1, which is characterized in that: the water-blocking corrugated net is of a Z-shaped corrugated structure, angle steel is adopted for welding at intervals, the thickness of the water-blocking corrugated net is about 70mm, and the water-blocking corrugated net and the explosion venting barrel are welded and fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920935479.6U CN211068844U (en) | 2019-06-20 | 2019-06-20 | Water-seal fire-retardant explosion-venting device gas turbulence water-carrying-prevention mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920935479.6U CN211068844U (en) | 2019-06-20 | 2019-06-20 | Water-seal fire-retardant explosion-venting device gas turbulence water-carrying-prevention mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN211068844U true CN211068844U (en) | 2020-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920935479.6U Active CN211068844U (en) | 2019-06-20 | 2019-06-20 | Water-seal fire-retardant explosion-venting device gas turbulence water-carrying-prevention mechanism |
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| CN (1) | CN211068844U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114992526A (en) * | 2022-06-22 | 2022-09-02 | 中煤科工集团重庆研究院有限公司 | Large-pipe-diameter water-seal fire-retarding explosion-venting device and method for coal mine gas pipeline transportation |
-
2019
- 2019-06-20 CN CN201920935479.6U patent/CN211068844U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114992526A (en) * | 2022-06-22 | 2022-09-02 | 中煤科工集团重庆研究院有限公司 | Large-pipe-diameter water-seal fire-retarding explosion-venting device and method for coal mine gas pipeline transportation |
| CN114992526B (en) * | 2022-06-22 | 2023-09-26 | 中煤科工集团重庆研究院有限公司 | Large-pipe-diameter water seal fire-retarding explosion venting device for coal mine gas pipeline transportation and explosion venting method |
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