CN217559586U - Safe equipment of diffusing that natural gas line used - Google Patents
Safe equipment of diffusing that natural gas line used Download PDFInfo
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- CN217559586U CN217559586U CN202221289707.5U CN202221289707U CN217559586U CN 217559586 U CN217559586 U CN 217559586U CN 202221289707 U CN202221289707 U CN 202221289707U CN 217559586 U CN217559586 U CN 217559586U
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Abstract
The utility model discloses a safe diffusing device for a natural gas pipeline, which comprises a transfer tank, an air pump and a diffusing pipe, wherein the transfer tank is arranged horizontally, and the bottoms of two ends of the transfer tank are respectively communicated with the natural gas pipeline in a sealing way through a group of communicating pipelines; the air inlet of the air pump is hermetically communicated with the upper end of the middle part of the transfer tank through an air conveying pipe, and the air outlet of the air pump is connected with the diffusing pipe; the two groups of communicating pipelines are symmetrically distributed by taking the gas conveying pipe as a central line; the communicating pipeline is provided with a concentration detector, a pressure gauge and a valve I; the gas transmission pipe is provided with a valve II; the transfer tank is internally provided with a screen blocking plate which is positioned under the gas outlet of the transfer tank, the screen blocking plate is an arc-shaped screen, and the screen blocking plate forms a hemispherical area at the gas outlet of the transfer tank. The utility model discloses a transit jar, aspiration pump and the pipe that diffuses, the intercommunication pipeline of horizontal setting for the natural gas diffuses fast, and has improved the security greatly.
Description
Technical Field
The utility model belongs to the technical field of the natural gas line, concretely relates to safe equipment of diffusing that natural gas line used.
Background
In the construction of natural gas pipe network, safety diffusing equipment is common auxiliary equipment and is divided into two conditions: (1) If the pressure vessel reaches the upper working pressure limit, the station interior is generally diffused, so that the equipment is prevented from being damaged by overpressure; (2) If the external pipeline of nature diffuses, generally only diffuse when the pipe network bumps or maintains, the effect is to make the maintenance go on safely. Conventional diffusing equipment directly discharges natural gas in the pipeline through a valve, so that the safety performance is greatly reduced, and the risk coefficient is high.
SUMMERY OF THE UTILITY MODEL
To the not enough and difficult problem among the prior art, the utility model aims at providing a safe equipment of diffusing that natural gas line used.
The utility model discloses a following technical scheme realizes:
a safe diffusion device for a natural gas pipeline comprises a transfer tank, an air pump and a diffusion pipe, wherein the transfer tank is arranged horizontally, and the bottoms of two ends of the transfer tank are respectively communicated with the natural gas pipeline in a sealing way through a group of communication pipelines; the air inlet of the air pump is hermetically communicated with the upper end of the middle part of the transfer tank through an air delivery pipe, and the air outlet of the air pump is connected with the diffusing pipe; the two groups of communicating pipelines are symmetrically distributed by taking the gas conveying pipe as a central line, the joint of the communicating pipelines and the transfer tank is a gas inlet of the transfer tank, and the joint of the gas conveying pipe and the transfer tank is a gas outlet of the transfer tank; the communicating pipeline is provided with a concentration detector, a pressure gauge and a valve I; the gas transmission pipe is provided with a valve II; the transfer tank is internally provided with a screen blocking plate which is positioned under the gas outlet of the transfer tank, the screen blocking plate is an arc-shaped screen, and the screen blocking plate forms a hemispherical area at the gas outlet of the transfer tank.
Furthermore, the valve I is arranged at a position close to the joint of the communicating pipeline and the transfer tank, and the concentration detector and the pressure gauge are arranged at a position close to the joint of the communicating pipeline and the natural gas pipeline.
Further, the valve I and the valve II are check valves to prevent gas from flowing back.
Furthermore, the baffle net plates are symmetrically arranged by taking the air outlet of the transfer tank as the center.
Further, the depth of the middle part of the mesh baffle is not less than 1/2 of the depth of the transfer tank.
Furthermore, sealing gaskets are arranged at the joint of the communicating pipeline and the transfer tank, the joint of the gas conveying pipe and the transfer tank and the joint of the communicating pipeline and the natural gas pipeline.
Compared with the prior art, the utility model discloses beneficial effect includes:
(1) The utility model discloses a transit jar, aspiration pump and the pipe that diffuses, the intercommunication pipeline of horizontal setting for the natural gas diffuses fast, and has improved the security greatly.
(2) The utility model arranges the arc screen plate in the transfer tank, which can filter the discharged natural gas and is more beneficial to the subsequent recovery or combustion; on the other hand, the arc-shaped plate body plays a certain role in gas diversion.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Illustration of the drawings: 1-a concentration detector, 2-a communication pipeline, 3-a pressure instrument, 4-a valve I, 5-a transfer tank, 6-a gas transmission pipe, 7-a screen blocking plate, 8-an air pump, 9-a diffusing pipe, 10-a valve II, 11-a natural gas pipeline and 12-a sealing gasket.
In the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, integrally connected; can be mechanical connection and electrical connection; may be directly connected, indirectly connected through an intermediate medium, or may be communicated between two elements. The specific meaning of the above terms in the present invention can be understood to be specific to those skilled in the art.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, a safety diffusing device for a natural gas pipeline comprises a transfer tank 5, an air pump 8 and a diffusing pipe 9, wherein the transfer tank 5 is arranged horizontally, and the bottoms of two ends of the transfer tank are respectively communicated with a natural gas pipeline 11 in a sealing manner through a group of communicating pipelines 2; the air inlet of the air pump 8 is hermetically communicated with the upper end of the middle part of the transfer tank 5 through an air delivery pipe 6, and the air outlet of the air pump 8 is connected with a diffusing pipe 9.
The transfer tank 5 is used as a gas collection container for natural gas discharged during diffusion, and if the natural gas is diffused in a station, the transfer tank 5 is arranged to form the gas collection tank, so that subsequent recovery is facilitated; if the external pipeline diffuses, the transition tank is formed by the arrangement of the transfer tank 5, so that the subsequent combustion device is more facilitated. The purpose of the suction pump 8 is to improve the discharge of natural gas during the bleeding. The purpose of the diffusing pipe 9 is to communicate with a subsequent recovery device or a combustion device.
The two groups of communicating pipelines 2 are symmetrically distributed by taking the gas conveying pipe 6 as a central line, the joint of the communicating pipelines 2 and the transfer tank 5 is equivalent to a gas inlet of the transfer tank 5, and the joint of the gas conveying pipe 6 and the transfer tank 5 is equivalent to a gas outlet of the transfer tank 5.
The communicating pipe 2 is provided with a concentration detector 1, a pressure gauge 3 and a valve I4, the valve I4 is installed at a position close to the connecting part of the communicating pipe 2 and the transfer tank 5, and the concentration detector 1 and the pressure gauge 3 are installed at a position close to the connecting part of the communicating pipe 2 and the natural gas pipe 1. The concentration detector 1 and the pressure gauge 3 are used for monitoring the concentration and the pressure of the natural gas in the natural gas pipeline 1 in real time respectively. In the specific implementation of the in-site diffusion, concentration and pressure values can be set as high and low critical values, if the concentration and pressure values exceed the high critical values, the valve I4 is started, and natural gas is conveyed to the transfer tank 5; if the value is lower than the low critical value, the valve I4 is closed, and the gas transmission is stopped. When setting up opening of this kind of concentration detection appearance 1, manometer 3 and valve I4 and stopping the linkage, the utility model discloses still include signal transmission system and control system, it adopts conventional automatic control structure, specifically does not explain in detail.
The air delivery pipe 6 is provided with a valve II 10, and the valve I4 and the valve II 10 control the opening and closing of the inlet and the outlet of the transfer tank 5.
The valves I4 and II 10 are check valves to prevent gas backflow.
A screen baffle plate 7 is arranged in the transfer tank 5, the screen baffle plate 7 is positioned right below the air outlet of the transfer tank 5, the screen baffle plate 7 is an arc-shaped screen plate, a hemispherical area (namely an inverted dome shape) is formed at the air outlet, and the screen baffle plate 7 plays a role in filtering on one hand, purifies the discharged natural gas and is more beneficial to subsequent recovery or combustion; on the other hand, the arc-shaped plate body plays a certain role in gas diversion.
The screen blocking plates 7 are symmetrically arranged by taking the air outlet of the transfer tank 5 as a center. The depth of the middle part of the screen plate 7 is not less than 1/2 of the depth of the transfer tank 5.
In order to improve the safety, the connecting part of the communicating pipeline 2 and the transfer tank 5, the connecting part of the gas pipe 6 and the transfer tank 5 and the connecting part of the communicating pipeline 2 and the natural gas pipeline 1 are all provided with sealing gaskets 12 so as to avoid the danger caused by gas leakage of each connecting point during diffusion.
The foregoing merely illustrates preferred embodiments of the present invention, which are described in considerable detail and detail, but are not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes, modifications and substitutions can be made, which are all within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (6)
1. The utility model provides a safe equipment that diffuses that natural gas line used which characterized in that: the device comprises a transfer tank (5), an air pump (8) and a diffusing pipe (9), wherein the transfer tank (5) is arranged horizontally, and the bottoms of two ends of the transfer tank are respectively communicated with a natural gas pipeline (11) in a sealing way through a group of communicating pipelines (2); the air inlet of the air pump (8) is hermetically communicated with the upper end of the middle part of the transfer tank (5) through an air conveying pipe (6), and the air outlet of the air pump (8) is connected with the diffusing pipe (9); the two groups of communicating pipelines (2) are symmetrically distributed by taking the air conveying pipe (6) as a central line, the joint of the communicating pipelines (2) and the transfer tank (5) is an air inlet of the transfer tank (5), and the joint of the air conveying pipe (6) and the transfer tank (5) is an air outlet of the transfer tank (5); the communicating pipeline (2) is provided with a concentration detector (1), a pressure gauge (3) and a valve I (4); a valve II (10) is arranged on the gas transmission pipe (6); a screen blocking plate (7) is installed in the transfer tank (5), the screen blocking plate (7) is located under the gas outlet of the transfer tank (5), the screen blocking plate (7) is an arc-shaped screen plate, and a hemispherical area is formed at the gas outlet of the transfer tank (5) by the screen blocking plate (7).
2. A safety bleeding device for natural gas pipelines, according to claim 1, characterized in that: the valve I (4) is arranged at a position close to the joint of the communicating pipeline (2) and the transfer tank (5), and the concentration detector (1) and the pressure gauge (3) are arranged at a position close to the joint of the communicating pipeline (2) and the natural gas pipeline (11).
3. A safety vent apparatus for a natural gas pipeline according to claim 1, wherein: the valve I (4) and the valve II (10) are both check valves.
4. A safety vent apparatus for a natural gas pipeline according to claim 1, wherein: the screen blocking plates (7) are arranged symmetrically by taking the air outlet of the transfer tank (5) as the center.
5. A safety vent apparatus for a natural gas pipeline according to claim 1 or 4, wherein: the depth of the middle part of the screen blocking plate (7) is not less than 1/2 of the depth of the transit tank (5).
6. A safety vent apparatus for a natural gas pipeline according to claim 1, wherein: sealing gaskets (12) are arranged at the joint of the communicating pipeline (2) and the transit tank (5), the joint of the gas conveying pipe (6) and the transit tank (5), and the joint of the communicating pipeline (2) and the natural gas pipeline (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221289707.5U CN217559586U (en) | 2022-05-27 | 2022-05-27 | Safe equipment of diffusing that natural gas line used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221289707.5U CN217559586U (en) | 2022-05-27 | 2022-05-27 | Safe equipment of diffusing that natural gas line used |
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| Publication Number | Publication Date |
|---|---|
| CN217559586U true CN217559586U (en) | 2022-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221289707.5U Active CN217559586U (en) | 2022-05-27 | 2022-05-27 | Safe equipment of diffusing that natural gas line used |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116447518A (en) * | 2023-04-03 | 2023-07-18 | 广东港能新能源科技有限公司 | Natural gas conveying pipeline pressure regulating device |
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2022
- 2022-05-27 CN CN202221289707.5U patent/CN217559586U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116447518A (en) * | 2023-04-03 | 2023-07-18 | 广东港能新能源科技有限公司 | Natural gas conveying pipeline pressure regulating device |
| CN116447518B (en) * | 2023-04-03 | 2023-11-10 | 广东港能新能源科技有限公司 | Natural gas conveying pipeline pressure regulating device |
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