CN213930394U - Natural gas diffuses recovery unit - Google Patents
Natural gas diffuses recovery unit Download PDFInfo
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- CN213930394U CN213930394U CN202023093917.0U CN202023093917U CN213930394U CN 213930394 U CN213930394 U CN 213930394U CN 202023093917 U CN202023093917 U CN 202023093917U CN 213930394 U CN213930394 U CN 213930394U
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Abstract
The utility model belongs to the technical field of natural gas recovery, in particular to a natural gas diffusing and recovering device, which comprises a first tank body, a second tank body, a compressor, a pressure sensor, a controller, a first safety valve, a second safety valve, a check valve and a stop valve, wherein the first tank body is provided with an air inlet pipe and an air outlet pipe, the second tank body is provided with an air inlet pipe and an air outlet pipe, the air outlet pipe of the first tank body is communicated with the air inlet pipe of the compressor through a pipeline, the check valve is arranged on the pipeline between the air outlet pipe of the compressor and the air inlet pipe of the second tank body, the stop valve is arranged on the air outlet pipe of the second tank body, the pressure sensor is arranged in the first tank body, the controller is respectively electrically connected with the pressure sensor and the compressor, the first tank body is provided with the first safety valve, the first safety valve is communicated with the first tank body through a pipeline, the second safety valve is arranged on the second tank body, the second safety valve is communicated with the second tank body through a pipeline.
Description
Technical Field
The utility model belongs to the technical field of the natural gas is retrieved, concretely relates to natural gas diffuses recovery unit.
Background
The natural gas system such as LNG gas station or vaporizing station is equipped with the relief valve in, when pipeline pressure was too high, the relief valve was opened, through diffusing in the pipe releases the natural gas to the air, consequently can lead to a large amount of natural gases to be wasted, so the natural gas diffuses recovery unit and be used for the recovery of natural gas, reduces the waste of natural gas urgently needed.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, a natural gas diffusing and recycling device is provided for recycling natural gas and reducing waste of the natural gas.
The technical scheme of the utility model is that: a natural gas diffusing and recovering device comprises a first tank body, a second tank body, a compressor, a pressure sensor, a controller, a first safety valve, a second safety valve, a one-way valve and a stop valve, wherein an air inlet pipe and an air outlet pipe are arranged on the first tank body, an air inlet pipe and an air outlet pipe are arranged on the second tank body, the air outlet pipe of the first tank body is communicated with the air inlet pipe of the compressor through a pipeline, the air outlet pipe of the compressor is communicated with the air inlet pipe of the second tank body through a pipeline, the one-way valve is installed on the pipeline between the air outlet pipe of the compressor and the air inlet pipe of the second tank body, the stop valve is installed on the air outlet pipe of the second tank body, the pressure sensor is arranged in the first tank body, the controller is respectively electrically connected with the pressure sensor and the compressor, the first safety valve is arranged on the first tank body, and the first safety valve is communicated with the first tank body through a pipeline, and a second safety valve is arranged on the second tank body and is communicated with the second tank body through a pipeline.
When in use, the air inlet pipe of the first tank body is communicated with a safety valve in a natural gas system such as an LNG filling station or a gasification station, when the pipeline pressure in the natural gas system is overhigh, the safety valve is opened, the natural gas quickly enters the first tank body to release the pressure in the pipeline of the natural gas system, the pressure sensor in the first tank body detects the pressure in the first tank body at any time and transmits the pressure value to the controller in the form of an electric signal, when the pressure in the first tank body is increased to a certain value, the controller controls the compressor to extract the natural gas in the first tank body, the natural gas is input into the second tank body after being compressed, because the one-way valve is arranged on the pipeline between the air outlet pipe of the compressor and the air inlet pipe of the second tank body, the compressed natural gas can be ensured not to flow back, the first safety valve and the second safety valve ensure that the pressure in the first tank body and the second tank body is lower than the designed pressure value of the tank body, the compressed natural gas in the second tank body can be taken out through the stop valve on the air outlet pipe of the second tank body.
Further, still including diffusing pipe, pressure control valve, second jar of body top upwards sets up diffusing pipe, diffusing pipe with the second jar of body intercommunication, the last installation of diffusing pipe pressure control valve can control the internal pressure value of second jar through pressure control valve.
Further, first jar body bottom sets up first blow-off pipe, first blow-off pipe with first jar body bottom intercommunication, set up first blowoff valve on the first blow-off pipe, second jar body bottom sets up the second blow-off pipe, the second blow-off pipe with second jar body bottom intercommunication, set up the second blow-off valve on the second blow-off pipe, set up the third blow-off pipe on the pipe that diffuses of pressure control valve upside, set up the third blow-off valve on the third blow-off pipe, can discharge the accumulation in first jar body, the second jar body and the pipe that diffuses through blow-off pipe and blow-off valve.
The utility model has the advantages that: through the low pressure environment of the internal portion of first jar, can be when pipeline pressure among the natural gas system is too high, discharge unnecessary natural gas to first jar internal fast, when the internal pressure of first jar reaches a definite value, the compressor is compressed to the second jar of body with the internal natural gas extraction of first jar, can guarantee like this that the internal low pressure state that is in of first jar, can store a large amount of natural gas again, reduces the waste of natural gas.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Detailed Description
The invention will be further described by means of an embodiment in conjunction with the accompanying drawings.
Example 1: as shown in fig. 1, a natural gas diffusing and recovering device comprises a first tank body 1, a second tank body 10, a compressor 13, a pressure sensor 3, a controller 4, a first safety valve 2, a second safety valve 6, a one-way valve 5 and a stop valve 11, wherein an air inlet pipe and an air outlet pipe are arranged on the first tank body 1, an air inlet pipe and an air outlet pipe are arranged on the second tank body 10, the air outlet pipe of the first tank body 1 is communicated with the air inlet pipe of the compressor 13 through a pipeline, the air outlet pipe of the compressor 13 is communicated with the air inlet pipe of the second tank body 10 through a pipeline, the one-way valve 5 is arranged on the pipeline between the air outlet pipe of the compressor 13 and the air inlet pipe of the second tank body 10, the stop valve 11 is arranged on the air outlet pipe of the second tank body 10, the pressure sensor 3 is arranged in the first tank body 1, and the controller 4 is electrically connected with the pressure sensor 3 and the compressor 13 respectively, the first tank body 1 is provided with a first safety valve 2, the first safety valve 2 is communicated with the first tank body 1 through a pipeline, the second tank body 10 is provided with a second safety valve 6, and the second safety valve 6 is communicated with the second tank body 10 through a pipeline.
When the natural gas pressure sensor is used, an air inlet pipe of the first tank body 1 is communicated with a safety valve in a natural gas system such as an LNG gas station or a gasification station, when the pressure of a pipeline in the natural gas system is overhigh, the safety valve is opened, natural gas quickly enters the first tank body 1 to release the pressure in the pipeline of the natural gas system, a pressure sensor 3 in the first tank body 1 detects the pressure in the first tank body 1 at any time and transmits a pressure value to a controller 4 in the form of an electric signal, when the pressure in the first tank body 1 is increased to a certain value, the controller 4 controls a compressor 13 to extract the natural gas in the first tank body 1, the natural gas is input into the second tank body 10 after being compressed, as a one-way valve 5 is arranged on a pipeline between an air outlet pipe of the compressor 13 and an air inlet pipe of the second tank body 10, the backflow of the compressed natural gas can be prevented, and the first safety valve 2 and the second safety valve 6 ensure that the pressure in the first tank body 1 and the second tank body 10 is lower than the designed tank body pressure value, the compressed natural gas in the second tank body 10 can be taken out through the stop valve 11 on the air outlet pipe of the second tank body 10.
Further, still include the pipe 7, the pressure control valve 9 of diffusing, the second jar of body 10 top upwards sets up the pipe 7 of diffusing, diffuse pipe 7 with the second jar of body 10 intercommunication, install on the pipe 7 of diffusing the pressure control valve 9 can be through the inside pressure value of the pressure control valve 9 control second jar of body 10.
Further, 1 bottom of the first jar of body sets up first blow-off pipe, first blow-off pipe with 1 bottom of the first jar of body intercommunication, set up first blowoff valve 14 on the first blow-off pipe, 10 bottoms of the second jar of body set up the second blow-off pipe, the second blow-off pipe with 10 bottoms of the second jar of body intercommunication, set up second blowoff valve 12 on the second blow-off pipe, set up the third blow-off pipe on the pipe 7 that diffuses of pressure control valve 9 upside, set up third blowoff valve 8 on the third blow-off pipe, can discharge the accumulation in the first jar of body 1, the second jar of body 10 and the pipe 7 that diffuses through blow-off pipe and blow-off valve.
Claims (3)
1. The natural gas diffusing and recovering device is characterized by comprising a first tank body (1), a second tank body (10), a compressor (13), a pressure sensor (3), a controller (4), a first safety valve (2), a second safety valve (6), a one-way valve (5) and a stop valve (11), wherein an air inlet pipe and an air outlet pipe are arranged on the first tank body (1), an air inlet pipe and an air outlet pipe are arranged on the second tank body (10), the air outlet pipe of the first tank body (1) is communicated with the air inlet pipe of the compressor (13) through a pipeline, the air outlet pipe of the compressor (13) is communicated with the air inlet pipe of the second tank body (10) through a pipeline, the one-way valve (5) is arranged on the pipeline between the air outlet pipe of the compressor (13) and the air inlet pipe of the second tank body (10), the stop valve (11) is arranged on the air outlet pipe of the second tank body (10), the pressure sensor (3) is arranged in the first tank body (1), the controller (4) is respectively electrically connected with the pressure sensor (3) and the compressor (13), the first tank body (1) is provided with the first safety valve (2), the first safety valve (2) is communicated with the first tank body (1) through a pipeline, the second tank body (10) is provided with the second safety valve (6), and the second safety valve (6) is communicated with the second tank body (10) through a pipeline.
2. The natural gas diffusing and recycling device according to claim 1, further comprising a diffusing pipe (7) and a pressure control valve (9), wherein the diffusing pipe (7) is arranged on the top of the second tank (10) upwards, the diffusing pipe (7) is communicated with the second tank (10), and the pressure control valve (9) is installed on the diffusing pipe (7).
3. The natural gas diffusing and recycling device according to claim 2, characterized in that a first blow-off pipe is arranged at the bottom of the first tank body (1), the first blow-off pipe is communicated with the bottom of the first tank body (1), a first blow-off valve (14) is arranged on the first blow-off pipe, a second blow-off pipe is arranged at the bottom of the second tank body (10), the second blow-off pipe is communicated with the bottom of the second tank body (10), a second blow-off valve (12) is arranged on the second blow-off pipe, a third blow-off pipe is arranged on the diffusing pipe (7) at the upper side of the pressure control valve (9), and a third blow-off valve (8) is arranged on the third blow-off pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023093917.0U CN213930394U (en) | 2020-12-21 | 2020-12-21 | Natural gas diffuses recovery unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023093917.0U CN213930394U (en) | 2020-12-21 | 2020-12-21 | Natural gas diffuses recovery unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213930394U true CN213930394U (en) | 2021-08-10 |
Family
ID=77153886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023093917.0U Active CN213930394U (en) | 2020-12-21 | 2020-12-21 | Natural gas diffuses recovery unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213930394U (en) |
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2020
- 2020-12-21 CN CN202023093917.0U patent/CN213930394U/en active Active
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