CN220646811U - Explosion-proof hot gas shut-off valve - Google Patents
Explosion-proof hot gas shut-off valve Download PDFInfo
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- CN220646811U CN220646811U CN202322387698.4U CN202322387698U CN220646811U CN 220646811 U CN220646811 U CN 220646811U CN 202322387698 U CN202322387698 U CN 202322387698U CN 220646811 U CN220646811 U CN 220646811U
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- pipeline
- valve
- explosion
- connecting rod
- hot gas
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 37
- 230000008676 import Effects 0.000 claims abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 41
- 238000003825 pressing Methods 0.000 claims description 15
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000036541 health Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000000903 blocking effect Effects 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 5
- 239000003034 coal gas Substances 0.000 description 4
- 239000003245 coal Substances 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000012993 chemical processing Methods 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000004449 solid propellant Substances 0.000 description 1
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- Pipe Accessories (AREA)
Abstract
The utility model provides an explosion-proof hot gas shut-off valve, relates to the technical field of safety valve bodies, and aims to solve the problem that the existing gas shut-off valve adopts sealing treatment between a valve plate and a gas port by adopting a single valve plate, and the single valve plate is poor in sealing performance, so that gas leakage is easy to occur, and the health of production personnel is influenced. Including the pipeline, the pipeline is three interfaces, the flange can all be installed to interface department, the left side interface is the export, the right side interface is the import, the trip valve is installed to the top interface, the trip valve passes through fastener swing joint in the pipeline, install the locating plate in the pipeline, the top of locating plate sets up sealed rubber ring.
Description
Technical Field
The utility model relates to the technical field of safety valve bodies, in particular to an explosion-proof hot gas shut-off valve.
Background
The coal chemical industry refers to a process in which coal is used as a raw material and is converted into gas, liquid and solid fuels and chemicals through chemical processing. The coal gas shut-off valve is usually used in the coal chemical production device, the existing coal gas shut-off valve adopts a single valve plate to seal with a coal gas port, and the single valve plate is poor in sealing performance, so that gas leakage is easy to occur, the health of production personnel is influenced, and the explosion-proof hot coal gas shut-off valve is designed and used for solving the technical problems and is particularly important.
Disclosure of Invention
The utility model aims to solve the problem that the health of production personnel is affected by gas leakage due to poor sealing performance of a single valve plate by adopting sealing treatment between the valve plate and a gas port of the traditional gas shut-off valve in the prior art.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides an explosion-proof hot gas trip valve, includes the pipeline, the pipeline is three group's interfaces, the flange can all be installed to interface department, the left side interface is the export, the right side interface is the import, the trip valve is installed to the top interface, the trip valve passes through fastener swing joint in the pipeline, install the locating plate in the pipeline, the top of locating plate sets up sealed rubber ring.
Preferably, the shut-off valve comprises a connecting rod, a blocking block is fixedly connected to the bottom of the connecting rod, the blocking block is in threaded connection with the sealing rubber ring, and the connecting rod penetrates through the pipeline.
Preferably, a hand wheel is fixedly connected above the connecting rod, an installation table is fixedly connected above the hand wheel through a bracket, an oil cylinder is fixedly connected on the installation table, and a sealing gasket is installed at the joint of the connecting rod and the pipeline.
Preferably, a telescopic rod is arranged in the oil cylinder, the telescopic rod is arranged in the connecting rod in a penetrating mode, the telescopic rod and the hand wheel are not interfered with each other, the tail end of the telescopic rod is fixedly connected with a pressing plate, and the pressing plate is in mutual butt joint with the inner wall of the pipeline.
Preferably, the area above the plugging block forms a cavity, the left end of the cavity is connected with a water inlet, the right end of the cavity is connected with a water outlet, and the water inlet and the water outlet form low-temperature water circulation.
Compared with the prior art, the utility model has the advantages and positive effects that,
1. in the utility model, in use, the pipeline is provided with the shut-off valve to form three sections of different sealing environments, the area above the shutoff block is a water injection dynamic sealing area, the lower part is a conventional sealing area, the lower part of the pressure plate is also provided with a relatively sealed area, the outlet is connected with an industrial machine, and the upper part of the shut-off valve is connected with external air.
2. In the utility model, in use, the structure distribution of the hand wheel and the structure of the telescopic rod do not interfere with each other, so that the telescopic rod cannot interfere when in operation, the sealing block and the upper part area of the pipeline form a cavity, and the external water supply mechanism completes the low-temperature water supply of the cavity through the mutual cooperation of the water inlet and the water outlet and cools the working area below the sealing block.
Drawings
FIG. 1 is an overall view of an explosion-proof hot gas shut-off valve of the present utility model;
legend description: 1. a pipe; 101. a flange; 2. an outlet; 201. an inlet; 3. a shut-off valve; 301. a connecting rod; 302. a block; 303. a hand wheel; 304. a bracket; 305. a mounting table; 306. an oil cylinder; 307. a sealing gasket; 308. a telescopic rod; 309. a pressing plate; 4. a positioning plate; 401. sealing rubber rings; 5. a chamber; 501. a water inlet; 502. and a water outlet.
Detailed Description
In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.
The utility model provides an explosion-proof hot gas shut-off valve, which comprises a pipeline 1, wherein the pipeline 1 is provided with three groups of interfaces, flanges 101 can be installed at the interfaces, the left side interface is an outlet 2, the right side interface is an inlet 201, a shut-off valve 3 is installed at the top interface, the shut-off valve 3 is movably connected in the pipeline 1 through a fastener, a positioning plate 4 is installed in the pipeline 1, a sealing rubber ring 401 is arranged above the positioning plate 4, the shut-off valve 3 comprises a connecting rod 301, a sealing block 302 is fixedly connected to the bottom of the connecting rod 301, the sealing block 302 is in threaded connection with the sealing rubber ring 401, and the two interfaces are in threaded engagement with each other, so that the tightness of the joint is ensured, the connecting rod 301 is arranged in the pipeline 1 in a penetrating manner, a hand wheel 303 is fixedly connected above the connecting rod 301, a mounting table 305 is fixedly connected with the upper part of the hand wheel 303 through a bracket 304, a cylinder 306 is fixedly connected on the mounting table 305, and a sealing gasket 307 is installed at the joint of the connecting rod 301 and the pipeline 1;
when the explosion-proof hot gas cut-off valve 3 is actually used, the normal pipeline 1 conveys gas to the pipeline 1 through the inlet 201 and then outputs the gas through the outlet 2 when the normal pipeline 1 is used, when the normal pipeline is stopped from conveying, firstly, a worker operates the hand wheel 303 to drive the blocking block 302 at the bottom of the connecting rod 301 to descend until the blocking block 302 and the sealing rubber ring 401 are in threaded connection, at the moment, the worker drives the oil cylinder 306 to drive the telescopic rod 308 to work, the telescopic rod 308 drives the pressing plate 309 to descend until the pressing plate 309 and the positioning plate 4 are mutually abutted, a sealed working environment is formed between the pressing plate 309 and the positioning plate 4, a cavity 5 above the pipeline 1 is formed between the blocking block 302 and the sealing rubber ring 401, at the moment, externally connected water is conveyed to the cavity 5 through the water inlet 501 and then discharged through the water outlet 502, and the external water conveying mechanism continuously conveys low-temperature water to the cavity 5, the temperature of the cavity 5 is guaranteed to be in a low-temperature state, a dynamic seal is formed above the seal rubber ring 401, three sections of different sealing environments are formed in the pipeline 1 through installing the shut-off valve 3, the area above the seal block 302 is a water injection dynamic seal area, the lower part is a conventional seal area, a relatively sealed area is also formed below the pressure plate 309, an industrial machine is connected to the outlet 2, and external air is connected above the shut-off valve 3.
Example 1
As shown in fig. 1, a telescopic rod 308 is installed in the oil cylinder 306, the telescopic rod 308 is inserted into the connecting rod 301, the telescopic rod 308 and the hand wheel 303 do not interfere with each other, and a pressing plate 309 is fixedly connected to the end of the telescopic rod 308. The pressing plate 309 is abutted with the inner wall of the pipeline 1, so that a relatively sealed working environment is formed when the pressing plate 309 is abutted with the positioning plate 4, a chamber 5 is formed in the area above the plugging block 302, the left end of the chamber 5 is connected with a water inlet 501, the right end of the chamber 5 is connected with a water outlet 502, the water inlet 501 and the water outlet 502 form low-temperature water circulation,
the effect that its whole embodiment 1 reaches is, in use, through the structure distribution of hand wheel 303 and the structure of telescopic link 308 each other not interfere for can not produce the interference when telescopic link 308 works, the shutoff piece 302 forms cavity 5 with the upper portion region of pipeline 1, and external water supply mechanism accomplishes the low temperature water supply to cavity 5 through the cooperation of water inlet 501 and delivery port 502, cools down the working region below the shutoff piece 302.
Working principle: when the gas conveying device is used, gas is conveyed to the pipeline through the inlet and then is output through the outlet, when conveying is stopped, a worker firstly operates the hand wheel to drive the plugging block at the bottom of the connecting rod to move downwards until the plugging block and the sealing rubber ring are in threaded connection, at the moment, the worker drives the oil cylinder to drive the telescopic rod to work, the telescopic rod drives the pressing plate to move downwards until the pressing plate and the positioning plate are mutually abutted, a sealing working environment is formed between the pressing plate and the positioning plate, a cavity above the pipeline is formed between the plugging block and the sealing rubber ring, at the moment, external water is conveyed to the cavity through the water inlet, then is discharged through the water outlet, and an external water conveying mechanism continuously conveys the low-temperature water to the cavity, so that the temperature of the cavity is in a low-temperature state, and a dynamic seal is formed above the sealing rubber ring.
In summary, the utility model installs the shut-off valve in the pipeline to form three sections of different sealing environments, the area above the sealing block is a water injection dynamic sealing area, the lower part is a conventional sealing area, the lower part of the pressing plate also forms a relatively sealed area, the outlet is connected with an industrial machine, the upper part of the shut-off valve is connected with external air, compared with the sealing structure design of a conventional single valve, the utility model greatly improves the sealing effect by forming two end sealing structures in the same shut-off valve, ensures that harmful gas can not leak out of the pipeline by installing two groups of shut-off structures in the same shut-off valve, provides structural guarantee for the safe working environment of staff, ensures that the structural distribution of the hand wheel and the structure of the telescopic rod do not interfere with each other, ensures that the sealing block and the upper part area of the pipeline can not generate interference when the telescopic rod works, and the external water supply mechanism completes the supply of low-temperature water to the chamber through the mutual cooperation of the water inlet and the water outlet, and cools the working area below the sealing block.
Claims (5)
1. The utility model provides an explosion-proof hot gas trip valve, includes pipeline (1), pipeline (1) is three interfaces, flange (101) can all be installed to interface department, a serial communication port, left side interface is export (2), right side interface is import (201), trip valve (3) are installed to the top interface, trip valve (3) pass through fastener swing joint in pipeline (1), install locating plate (4) in pipeline (1), the top of locating plate (4) sets up sealed rubber ring (401).
2. The explosion-proof hot gas shut-off valve according to claim 1, wherein the shut-off valve (3) comprises a connecting rod (301), a plugging block (302) is fixedly connected to the bottom of the connecting rod (301), the plugging block (302) is in threaded connection with the sealing rubber ring (401), and the connecting rod (301) is arranged in the pipeline (1) in a penetrating mode.
3. An explosion-proof hot gas shut-off valve according to claim 2, characterized in that a hand wheel (303) is fixedly connected above the connecting rod (301), a mounting table (305) is fixedly connected above the hand wheel (303) through a bracket (304), an oil cylinder (306) is fixedly connected on the mounting table (305), and a sealing gasket (307) is arranged at the joint of the connecting rod (301) and the pipeline (1).
4. An explosion-proof hot gas shut-off valve according to claim 3, wherein a telescopic rod (308) is installed in the oil cylinder (306), the telescopic rod (308) is arranged in the connecting rod (301) in a penetrating way, the telescopic rod (308) and the hand wheel (303) are not interfered with each other, a pressing plate (309) is fixedly connected to the tail end of the telescopic rod (308), and the pressing plate (309) is in mutual abutting connection with the inner wall of the pipeline (1).
5. The explosion-proof hot gas shut-off valve according to claim 2, wherein the area above the plugging block (302) forms a chamber (5), a water inlet (501) is connected to the left end of the chamber (5), a water outlet (502) is connected to the right end of the chamber (5), and the water inlet (501) and the water outlet (502) form a low-temperature water circulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322387698.4U CN220646811U (en) | 2023-09-04 | 2023-09-04 | Explosion-proof hot gas shut-off valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322387698.4U CN220646811U (en) | 2023-09-04 | 2023-09-04 | Explosion-proof hot gas shut-off valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220646811U true CN220646811U (en) | 2024-03-22 |
Family
ID=90267859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322387698.4U Active CN220646811U (en) | 2023-09-04 | 2023-09-04 | Explosion-proof hot gas shut-off valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220646811U (en) |
-
2023
- 2023-09-04 CN CN202322387698.4U patent/CN220646811U/en active Active
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