CN210398404U - Automatic recovery unit of high pressure unloading - Google Patents
Automatic recovery unit of high pressure unloading Download PDFInfo
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- CN210398404U CN210398404U CN201921183561.4U CN201921183561U CN210398404U CN 210398404 U CN210398404 U CN 210398404U CN 201921183561 U CN201921183561 U CN 201921183561U CN 210398404 U CN210398404 U CN 210398404U
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Abstract
The utility model relates to an atmospheric natural gas retrieves technical field, in particular to automatic recovery unit of high pressure atmospheric gas. The device is characterized in that each released incoming air pipeline in the multi-way released incoming air pipelines is provided with an electric high-pressure cut-off valve, the multi-way released incoming air pipelines converge to form a main pipeline, a local remote transmission pressure gauge I, an automatic angle type throttle valve, a local thermometer, a local remote transmission pressure gauge II, a medium-pressure cut-off valve II, an emptying valve, a flowmeter and a medium-pressure cut-off valve III are sequentially arranged on the main pipeline, the main pipeline is respectively connected with the multi-way released pipelines, each released pipeline is sequentially provided with an electric medium-pressure cut-off valve and a check valve, and the main pipeline is respectively connected with a branch pipeline I and a branch pipeline II. The utility model discloses a carry out the natural gas of high-pressure gas injection compressor and high-pressure gas injection pipeline release and effectively throttle the recovery in grades automatically, reduce the unloading loss of natural gas.
Description
The technical field is as follows:
the utility model relates to an atmospheric natural gas retrieves technical field, in particular to automatic recovery unit of high pressure atmospheric gas.
Background art:
the outlet pressure range of a high-pressure gas injection compressor of a condensate gas field and a gas storage is 38-45 MPa, the compressor is used as a station core cardiac device and is also a vulnerable device, the maintenance or fault shutdown frequency is more, and the shutdown frequency is increased every year along with the increase of the service life of the compressor. Each shutdown requires the natural gas in the compressor cylinder and associated pipelines to be discharged to a flare for combustion, resulting in waste of natural gas resources. Although the volume of the emptying equipment pipeline is small, the accumulated amount of the natural gas for emptying is large due to the fact that the pressure of the natural gas is high and the number of times of discharging is large every year.
The utility model has the following contents:
the to-be-solved technical problem of the utility model is to provide an automatic recovery unit of high pressure unloading, the device has realized carrying out effective fractional throttle with the natural gas of high-pressure gas injection compressor and high-pressure gas injection pipeline release and has retrieved, reduces the unloading loss of natural gas automatically. The defect that the gas amount of the natural gas discharged by the existing high-pressure gas injection compressor and the high-pressure gas injection pipeline is more is overcome.
The utility model adopts the technical proposal that: an automatic recovery device for high-pressure vent gas comprises a multi-way release gas incoming pipeline; each released incoming air pipeline in the multi-way released incoming air pipeline is provided with an electric high-pressure cut-off valve, the multi-way released incoming air pipeline converges into a main pipeline, the main pipeline is sequentially provided with a local remote transmission pressure gauge I, an automatic angle type throttle valve, a local thermometer, a local remote transmission pressure gauge II, a medium-pressure cut-off valve II, an emptying valve, a flowmeter and a medium-pressure cut-off valve III, the main pipeline is respectively connected with the multi-way released pipeline, each released pipeline is sequentially provided with an electric medium-pressure cut-off valve and a check valve, the main pipeline is respectively connected with a branch pipeline I and a branch pipeline II, the branch pipeline I is provided with a throttling cut-off emptying valve, the branch pipeline II is sequentially provided with a medium-pressure cut-off valve IV, a safety valve and a medium-pressure cut-off valve I, the branch pipeline I is connected with an emptying system pipeline after converging with the branch pipeline II, a PLC controller is respectively connected with the electric high-pressure cut-off valve on each released incoming air pipeline and the electric medium-pressure cut, the PLC controller is respectively connected with the logic controller, the local remote transmission pressure gauge I, the automatic angle type throttle valve, the local remote transmission pressure gauge II and the flowmeter, and the logic controller is respectively connected with the local remote transmission pressure gauge I, the automatic angle type throttle valve and the electric medium-pressure cut-off valve on each release pipeline.
The release pipeline sets up 2 way altogether, is release pipeline I and release pipeline II respectively, sets gradually electronic middling pressure shut-off valve I, check valve I on the release pipeline I, sets gradually electronic middling pressure shut-off valve II, check valve II on the release pipeline II.
The release incoming pipeline is provided with 4 pipelines.
The utility model has the advantages that: the utility model discloses a carry out the natural gas of high-pressure gas injection compressor and high-pressure gas injection pipeline release and effectively throttle the recovery in grades automatically, reduce the unloading loss of natural gas.
Description of the drawings:
the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural diagram of the present invention.
The specific implementation mode is as follows:
as shown in FIG. 1, the automatic recovery device for high-pressure vent gas comprises a multi-way release incoming gas pipeline; each of the multi-path release gas supply pipelines is provided with an electric high-pressure cut-off valve 1, the multi-path release gas supply pipelines converge to form a main pipeline, the main pipeline is sequentially provided with an in-situ remote transmission pressure gauge I5, an automatic angle type throttle valve 6, an in-situ thermometer 7, an in-situ remote transmission pressure gauge II 8, a medium-pressure cut-off valve II 9, an emptying valve 10, a flowmeter 11 and a medium-pressure cut-off valve III 12, the main pipeline is respectively connected with a multi-path release pipeline, each release pipeline is sequentially provided with an electric medium-pressure cut-off valve and a check valve, the main pipeline is respectively connected with a branch pipeline I and a branch pipeline II, the branch pipeline I is provided with a throttling cut-off emptying valve 17, the branch pipeline II is sequentially provided with a medium-pressure cut-off valve IV 18, a safety valve 19 and a medium-pressure cut-off valve I4, the branch pipeline I and the branch pipeline II converge and then are connected with an emptying system pipeline, and a PLC 2 is respectively connected with the electric high-pressure cut-off valve 1 on each The PLC controller 2 is respectively connected with the logic controller 3, the local remote transmission pressure gauge I5, the automatic angle type throttle valve 6, the local remote transmission pressure gauge II 8 and the flowmeter 11, and the logic controller 3 is respectively connected with the local remote transmission pressure gauge I5, the automatic angle type throttle valve 6 and the electric medium pressure cut-off valve on each releasing pipeline.
The release pipeline is provided with 2 paths, namely a release pipeline I and a release pipeline II, wherein an electric medium-pressure cut-off valve I13 and a check valve I14 are sequentially arranged on the release pipeline I, and an electric medium-pressure cut-off valve II 15 and a check valve II 16 are sequentially arranged on the release pipeline II. The release pipeline I is connected with an inlet pipeline of the compressor, and the release pipeline II is connected with a pipeline of a fuel gas system.
The release incoming pipeline is provided with 4 pipelines.
It should be understood that the above detailed description of the present invention is only for illustrating the present invention and is not limited by the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention can still be modified or equivalently replaced to achieve the same technical effects; as long as the use requirement is satisfied, the utility model is within the protection scope.
Claims (3)
1. An automatic recovery device for high-pressure vent gas comprises a multi-way release gas incoming pipeline; the method is characterized in that: each released incoming air line in the multi-path released incoming air line is provided with an electric high-pressure cut-off valve (1), the multi-path released incoming air lines converge into a main line, the main line is sequentially provided with a local remote transmission pressure gauge I (5), an automatic angle type throttle valve (6), a local thermometer (7), a local remote transmission pressure gauge II (8), a medium-pressure cut-off valve II (9), an emptying valve (10), a flowmeter (11) and a medium-pressure cut-off valve III (12), the main line is respectively connected with the multi-path released line, each released line is sequentially provided with an electric medium-pressure cut-off valve and a check valve, the main line is respectively connected with a branch line I and a branch line II, the branch line I is provided with a throttling cut-off emptying valve (17), the branch line II is sequentially provided with a medium-pressure cut-off valve IV (18), a safety valve (19) and a medium-pressure cut-off valve I (4), the branch line I is connected with the emptying system after converging with the branch, the PLC controller (2) is respectively connected with an electric high-pressure cut-off valve (1) on each releasing gas pipeline and an electric medium-pressure cut-off valve on each releasing pipeline, the PLC controller (2) is respectively connected with the logic controller (3), the local remote transmission pressure gauge I (5), the automatic angle type throttle valve (6), the local remote transmission pressure gauge II (8) and the flowmeter (11), and the logic controller (3) is respectively connected with the local remote transmission pressure gauge I (5), the automatic angle type throttle valve (6) and the electric medium-pressure cut-off valve on each releasing pipeline.
2. The automatic high pressure vent recovery device of claim 1, wherein: the release pipeline sets up 2 way altogether, is release pipeline I and release pipeline II respectively, sets gradually electronic middling pressure shut-off valve I (13), check valve I (14) on the release pipeline I, sets gradually electronic middling pressure shut-off valve II (15), check valve II (16) on the release pipeline II.
3. The automatic high pressure vent recovery device of claim 1, wherein: the release incoming gas line is provided with 4 paths in total.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921183561.4U CN210398404U (en) | 2019-07-25 | 2019-07-25 | Automatic recovery unit of high pressure unloading |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921183561.4U CN210398404U (en) | 2019-07-25 | 2019-07-25 | Automatic recovery unit of high pressure unloading |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210398404U true CN210398404U (en) | 2020-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921183561.4U Active CN210398404U (en) | 2019-07-25 | 2019-07-25 | Automatic recovery unit of high pressure unloading |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210398404U (en) |
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2019
- 2019-07-25 CN CN201921183561.4U patent/CN210398404U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201126 Address after: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: LIAOHE PETROLEUM EXPLORATION BUREAU Co.,Ltd. Address before: 124010 No. 93, oil street, Xinglongtai District, Liaoning, Panjin Patentee before: CHINA LIAOHE PETROLEUM ENGINEERING Co.,Ltd. |
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| TR01 | Transfer of patent right |