CN216647183U - Remote pressure regulating device - Google Patents
Remote pressure regulating device Download PDFInfo
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- CN216647183U CN216647183U CN202123177163.1U CN202123177163U CN216647183U CN 216647183 U CN216647183 U CN 216647183U CN 202123177163 U CN202123177163 U CN 202123177163U CN 216647183 U CN216647183 U CN 216647183U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The utility model relates to a remote pressure regulating device, and belongs to the technical field of fuel gas transmission and distribution. The remote pressure regulating device comprises an air inlet column and an air outlet column; the air inlet of the air inlet column is communicated with a high-pressure pipeline in the pressure regulator through an air inlet pipeline, the air outlet of the air inlet column is communicated with the air inlet of the air outlet column through a middle pipeline, and the air outlet of the air outlet column is communicated with a director spring cavity in the pressure regulator through an air outlet pipeline; at least one manual valve is arranged on the air inlet pipeline, at least one manual valve is arranged on the middle pipeline, and an electromagnetic valve is arranged on the air inlet pipeline and/or the middle pipeline. The air pressure source is a high-pressure pipeline of the pressure regulator, the pressure of the air inlet column and the air outlet column can be accurately controlled through the manual valve, the air pressure injected into the spring cavity of the commander is accurately controlled through opening and closing the electromagnetic valve during remote pressure regulation, and the output pressure of the pressure regulator is more stably and accurately controlled.
Description
Technical Field
The utility model relates to a remote pressure regulating device, and belongs to the technical field of fuel gas transmission and distribution.
Background
An important hub in the gas transmission and distribution system is a gas field station, and is divided into a door station, a storage and distribution station, a regional pressure regulating station, a gas station and the like. The intelligent station is constructed by acquiring data of station operating conditions including pressure, flow, temperature, infrared security system, valve on-off state and the like on the basis of the existing SCADA system, and then realizing intelligent control and automatic management of the whole station by controlling the opening degree of the interlocking control, the remote pressure regulating device and the electric actuating mechanism, thereby realizing human resource optimization, improving the production efficiency and strengthening the installation and operation.
The remote pressure regulating device directly embodies the 'wisdom' in the construction of a smart station, not only has the functions of emergency cut-off, pressure regulation, constant pressure and constant flow, but also has the functions of timing pressure regulation, fixed pressure interval, fixed pressure mode, fixed flow limitation and the like, and can realize the functions of remote peak regulation and remote flow limitation to the maximum extent. The remote pressure regulating device control system is incorporated into the SCADA system management platform and is in centralized transmission with other data, so that unified data management and operation management are realized.
The remote pressure regulating device controls the opening/closing of a valve of a director by controlling the falling/rising of a film of the director in the indirect pressure regulator according to the working principle of the indirect pressure regulator, so that the outlet pressure is stabilized at a given value. The lifting of the membrane of the control commander is mainly realized by injecting air pressure into a spring cavity of the commander through a remote pressure regulating device, and the air pressure replaces a spring in the traditional commander, thereby indirectly acting on a valve port of the commander and opening and closing the valve port up and down, and further achieving the effect of automatic pressure regulation.
The existing remote pressure regulating device comprises an air compressor, a gas collecting tank and an electromagnetic valve, wherein gas is continuously injected into the gas collecting tank through the air compressor, a gas outlet of the gas collecting tank is connected with a spring cavity inlet of a commander, the electromagnetic valve is arranged on a connecting pipeline between the gas outlet of the gas collecting tank and the spring cavity inlet of the commander, and the pressure of the gas injected into the spring cavity of the commander is controlled through opening/closing of the electromagnetic valve, so that automatic pressure regulation is realized.
However, the existing remote pressure regulating device regulates pressure by means of continuous injection of the powered air compressor, is very easy to be interfered (for example, the voltage of a power supply is unstable, gas leakage is caused by vibration generated by self gas supply of equipment, and the like), and also has unstable output gas source of a gas collecting tank, and meanwhile, the pressure of a spring cavity of an injection director cannot be accurately controlled only by adopting an electromagnetic valve, so that the automatic pressure regulating effect is poor.
SUMMERY OF THE UTILITY MODEL
An object of the application is to provide a long-range voltage regulating device for solve the problem that current pressure regulating precision is low.
In order to achieve the purpose, the application provides a technical scheme of a remote pressure regulating device, wherein the remote pressure regulating device comprises an air inlet column and an air outlet column; the air inlet of the air inlet column is communicated with a high-pressure pipeline in the pressure regulator through an air inlet pipeline, the air outlet of the air inlet column is communicated with the air inlet of the air outlet column through a middle pipeline, and the air outlet of the air outlet column is communicated with a director spring cavity in the pressure regulator through an air outlet pipeline; the air inlet pipeline is provided with at least one manual valve, the intermediate pipeline is provided with at least one manual valve, the manual valves are used for manually adjusting the opening degree of the pipelines when the remote pressure adjusting device is debugged, so that the pressure of the air inlet column and the pressure of the air outlet column are adjusted, the air inlet pipeline and/or the intermediate pipeline are/is provided with electromagnetic valves, and the electromagnetic valves are used for remotely controlling the conduction and the closing of the corresponding pipelines.
The technical scheme of the remote pressure regulating device has the beneficial effects that: the remote pressure regulating device has the advantages that the air pressure source is a high-pressure pipeline of the pressure regulator, the pressure of the air inlet column and the air outlet column can be accurately controlled through the manual valve, the air pressure injected into the spring cavity of the commander is accurately controlled through opening and closing the electromagnetic valve during remote pressure regulation, and the output pressure of the pressure regulator is more stably and accurately controlled.
Furthermore, in order to monitor the pressure of the air inlet column, a first pressure acquisition interface is arranged on the air inlet column, and a pressure sensor is arranged at the first pressure acquisition interface and used for acquiring the pressure of the air inlet column.
Furthermore, in order to monitor the pressure of the air outlet column, a second pressure acquisition interface is arranged on the air outlet column, and a pressure sensor is arranged at the second pressure acquisition interface and used for acquiring the pressure of the air outlet column.
Furthermore, in order to reduce the pressure conveniently, the air outlet column is provided with a pressure relief opening for reducing the pressure of the air outlet column after the pressure relief opening is opened.
Further, in order to guarantee the working reliability of the remote pressure regulating device, two manual valves are arranged on the air inlet pipeline, and each manual valve comprises a first main manual valve and a first standby manual valve.
Furthermore, in order to ensure the working reliability of the remote pressure regulating device, two manual valves are arranged on the middle pipeline, and comprise a second main manual valve and a second standby manual valve.
Furthermore, the air inlet pipeline and the middle pipeline are integrated in a box body, and a plurality of air inlet pipeline holes are formed in the box body and used for penetrating through the air inlet pipeline; the box body is provided with a plurality of middle pipeline holes for penetrating middle pipelines; and each manual valve and the electromagnetic valve are disposed outside the tank.
Furthermore, in order to ensure the safety of pressure regulation, the air inlet column, the air outlet column, the box body, each manual valve, the electromagnetic valve, the air inlet pipeline, the middle pipeline and the air outlet pipeline are integrated in the shell, the shell is provided with an inlet and an outlet, the inlet is used for penetrating the air inlet pipeline, and the outlet is used for penetrating the air outlet pipeline.
Further, in order to improve the safety of pressure regulating, the casing is explosion-proof casing.
Further, the manual valve is a needle valve.
Drawings
FIG. 1 is a block diagram of a remote pressure regulating apparatus of the present invention;
FIG. 2 is a schematic diagram of the connection of the remote voltage regulator apparatus and the voltage regulator of the present invention;
FIG. 3 is a schematic structural diagram of a case of the remote pressure regulating apparatus of the present invention;
in the figure: the explosion-proof gas-liquid separator comprises an explosion-proof shell 1, a gas outlet column 2, a box body 3, a pressure relief port 4, a first gas inlet pipeline 5, a second gas inlet pipeline 11, a gas outlet pipeline 6, a middle pipeline 7, a manual valve 8, a gas inlet column 9, a pressure acquisition interface 10, an electromagnetic valve 12, a remote pressure regulating device 13, a high-pressure pipeline 14, an output pipeline 15, a commander spring cavity 16 and a commander 17.
Detailed Description
Remote pressure regulating device embodiment:
the remote pressure regulating device is shown in fig. 1 and comprises a first air inlet pipeline 5, a second air inlet pipeline 11, a middle pipeline 7, an air outlet pipeline 6, an air inlet column 9 and an air outlet column 2, and a remote pressure regulating device 13 shown in fig. 2 is arranged between a high-pressure pipeline 14 and a commander spring cavity 16 of the pressure regulator so as to adjust the ascending or descending of a thin film of a commander 17 and further adjust the output pressure of an output pipeline 15 of the pressure regulator.
The first air inlet pipeline 5, the second air inlet pipeline 11, the middle pipeline 7 and the air outlet pipeline 6 are all made of phi 10 stainless steel pipes, the air inlet column 9 and the air outlet column 2 are sealed thin and short air collecting columns, the length is less than 1m, and the diameter is about 20 mm.
Wherein, the air inlet column 9 and the air outlet column 2 are respectively provided with an air inlet, an air outlet and a pressure acquisition interface 10, the air inlet column 9 is provided with a first pressure acquisition interface, and the first pressure acquisition interface is provided with a pressure sensor for acquiring the pressure of the air inlet column 9; a second pressure acquisition interface is arranged on the gas outlet column 2, and a pressure sensor is arranged at the second pressure acquisition interface and used for acquiring the pressure of the gas outlet column 2; the air outlet column 2 is also provided with a pressure relief port 4 for reducing the pressure of the air outlet column 2 after the pressure relief port 4 is opened.
The first air inlet pipeline 5 is communicated with the second air inlet pipeline 11, the first air inlet pipeline 5 is used for being communicated with a high-pressure pipeline 14 of the pressure regulator, and high-pressure gas in the high-pressure pipeline 14 of the pressure regulator is used as a gas source of the remote pressure regulating device 13; the output of the second air inlet pipeline 11 is communicated with the air inlet of the air inlet column 9 so as to convey air into the air inlet column 9; two manual valves 8 are provided on the second intake line 11, the manual valves 8 being needle-type valves, the two manual valves 8 including a first main manual valve and a first backup manual valve for pressure regulation of the intake column 9 as a backup manual valve after the first main manual valve is damaged. The first main manual valve is used for manually adjusting the opening degree of the second air inlet pipeline 11 and further adjusting the pressure of the air inlet column 9 when the remote pressure adjusting device 13 is adjusted, and when the first main manual valve is in normal use, the first standby manual valve is in a full-open state, the first main manual valve is abnormal, and the pressure is adjusted through the first standby manual valve. An electromagnetic valve 12 is arranged between the first main manual valve and the first standby manual valve for remotely controlling the opening and closing of the second intake pipe 11.
One end of the middle pipeline 7 is communicated with the gas outlet of the gas inlet column 9, the other end of the middle pipeline is communicated with the gas inlet of the gas outlet column 2 and used for conveying gas to the gas outlet column 2, two manual valves 8 are arranged on the middle pipeline 7, the manual valves 8 are needle valves, the two manual valves 8 comprise a second main manual valve and a second standby manual valve, and the second standby manual valve is used for performing pressure regulation on the gas outlet column 2 as a standby manual valve after the second main manual valve is damaged. The pressure of the gas outlet column 2 is smaller than that of the gas inlet column 9, the second main manual valve is used for manually adjusting the opening of the middle pipeline 7 during debugging of the remote pressure adjusting device 13, and further adjusting the pressure of the gas outlet column 2, and under the condition that the second main manual valve is normally used, the second standby manual valve is in a fully-opened state, the second main manual valve is abnormal, and the pressure is adjusted through the second standby manual valve. An electromagnetic valve 12 is arranged between the second main manual valve and the second standby manual valve and is used for remotely controlling the connection and the disconnection of the intermediate pipeline 7.
One end of the gas outlet pipeline 6 is communicated with the gas outlet of the gas outlet column 2, and the other end is communicated with the commander spring cavity 16 and used for conveying gas to the commander spring cavity 16.
The first air inlet pipeline 5, the second air inlet pipeline 11 and the middle pipeline 7 are integrated in one box body 3, as shown in fig. 3, a plurality of air inlet pipeline holes are formed in the box body 3 and used for penetrating through the first air inlet pipeline 5 and the second air inlet pipeline 11; the box body 3 is provided with a plurality of middle pipeline holes for penetrating the middle pipelines 7; and each manual valve 8 and each electromagnetic valve 12 are provided outside the tank 3.
In order to ensure safety, the air inlet column 9, the air outlet column 2, the box body 3, the manual valves 8, the electromagnetic valve 12, the first air inlet pipeline 5, the second air inlet pipeline 11, the middle pipeline 7 and the air outlet pipeline 6 are integrated inside the explosion-proof shell 1, the explosion-proof shell 1 is provided with an inlet and an outlet, the inlet is used for penetrating the air inlet pipeline 5, and the outlet is used for penetrating the air outlet pipeline 6.
In the remote pressure adjusting device 13, each pressure sensor and each electromagnetic valve 12 are in communication connection with a background controller, the controller controls the on/off state of each electromagnetic valve 12, and the pressure sensor sends the acquired pressure to the controller.
The working process of the remote pressure regulating device 13 is as follows: through going up the intracavity to the commander and injecting into gas, pressure regulating spring when replacing original manual regulation is to the pressure that the commander involucra produced (thereby need adjust the outside adjusting screw of commander during manual regulation and drive the interior pressure regulating spring of epicoele and produce pressure to the commander involucra, manual regulation is also a pressure regulating mode of prior art), thereby reach pressure regulating's effect, with the gaseous pressurization of the intracavity when needing to step up, gas in the intracavity will be gone up slowly to discharge during the step down, no matter step up or step down the action all carry out gaseous replenishment or discharge with certain speed after calculating through the logic.
When the remote pressure regulating device 13 is debugged, the opening degree of each manual valve 8 is manually fixed to control the flow rate of the gas, wherein the first standby manual valve and the second standby manual valve are in a fully-opened state for standby. The pressure in each pipeline has the following relationship: the pressure in the high-pressure line 14 > the pressure in the inlet column 9 > the pressure in the outlet column 2.
After the remote pressure regulating device 13 is installed, when the pressure regulator is formally used, when the outlet pressure of the output pipeline 15 of the pressure regulator is smaller than a given value, the electromagnetic valve 12 of the remote pressure regulating device 13 is opened, gas is injected into the commander spring cavity 16, the air pressure of the commander spring cavity 16 is increased, the thin film of the commander 17 is lowered, and the outlet pressure of the output pipeline 15 is recovered to the given value;
when the outlet pressure of the output pipeline 15 of the pressure regulator is greater than the given value, the electromagnetic valve 12 of the remote pressure regulating device 13 is closed, gas injection into the commander spring cavity 16 is stopped, the air pressure of the commander spring cavity 16 is reduced, the thin film of the commander 17 is lifted, and the outlet pressure of the output pipeline 15 is recovered to the given value;
certainly, when the air pressure of the commander spring cavity 16 is reduced, the pressure relief port 4 can be opened, the pressure is reduced at the same time, the pressure of the air inlet column 9 and the air outlet column 2 can be stabilized by opening and closing the electromagnetic valve 12, and the data of the pressure sensor can be subjected to subsequent data analysis.
In the above-described embodiment, in order to ensure the reliability of the operation of the pressure regulating device, two manual valves 8 are provided on the second intake line 11 and the intermediate line 7, one being used as a backup manual valve, although it is possible to provide one manual valve 8 on the second intake line 11 and the intermediate line 7, while ensuring the reliability of the manual valve 8.
In the above embodiment, in order to monitor the pressures of the inlet column 9 and the outlet column 2, the pressure sensors are disposed on the inlet column 9 and the outlet column 2, and as another embodiment, the pressure sensors may not be disposed under the condition that the pressures of the inlet column 9 and the outlet column 2 are stable, and certainly, the pressure collecting interface 10 may not be disposed under the condition that the pressure sensors are not disposed.
In the above embodiment, in order to facilitate and rapidly reduce the pressure of the air outlet column 2, and further reduce the air pressure of the spring cavity 16 of the commander, the air outlet column 2 is provided with the pressure relief port 4, and as other embodiments, the pressure relief port 4 may not be provided, and the pressure reduction can be performed by closing the electromagnetic valve 12.
In the above embodiment, in order to adjust the pressure of the inlet column 9 and the outlet column 2, the electromagnetic valves 12 are respectively disposed on the second inlet pipeline 11 and the intermediate pipeline 7, and as another embodiment, under the condition that the pressure of the inlet column 9 and the pressure of the outlet column 2 are stable, only one battery valve may be disposed to control the circulation and shutoff of gas, so as to control the gas pressure of the spring cavity 16 of the commander.
In the above embodiment, the case 3 is provided for beauty, so as to avoid the messy pipelines; the explosion-proof housing 1 is for safety, and as another embodiment, the housing 3 may not be provided, and the housing may be made of other materials or may not be provided, which is not limited by the present invention.
In the above embodiment, the manual valve 8 is a needle valve based on the diameter of each pipeline, and as another embodiment, the manual valve 8 may be selected according to the pipeline, and the type of the manual valve 8 is not limited in the present invention.
The air pressure source of the remote pressure regulating device 13 is the high-pressure pipeline 14 of the pressure regulator, the pressure of the air inlet column 9 and the air outlet column 2 can be accurately controlled through the manual valve 8, the air pressure injected into the spring cavity 16 of the commander is accurately controlled through opening and closing the electromagnetic valve 12 during remote pressure regulation, and the output pressure of the pressure regulator is controlled more stably and accurately.
Claims (10)
1. A remote pressure regulating device is characterized by comprising an air inlet column and an air outlet column; the air inlet of the air inlet column is communicated with a high-pressure pipeline in the pressure regulator through an air inlet pipeline, the air outlet of the air inlet column is communicated with the air inlet of the air outlet column through a middle pipeline, and the air outlet of the air outlet column is communicated with a director spring cavity in the pressure regulator through an air outlet pipeline; the air inlet pipeline is provided with at least one manual valve, the intermediate pipeline is provided with at least one manual valve, the manual valves are used for manually adjusting the opening degree of the pipelines when the remote pressure adjusting device is debugged, so that the pressure of the air inlet column and the pressure of the air outlet column are adjusted, the air inlet pipeline and/or the intermediate pipeline are/is provided with electromagnetic valves, and the electromagnetic valves are used for remotely controlling the conduction and the closing of the corresponding pipelines.
2. The remote pressure regulating device of claim 1, wherein a first pressure collecting interface is disposed on the air inlet column, and a pressure sensor is disposed at the first pressure collecting interface for collecting the pressure of the air inlet column.
3. The remote pressure regulating device according to claim 1, wherein a second pressure collecting interface is arranged on the air outlet column, and a pressure sensor is arranged at the second pressure collecting interface and used for collecting the pressure of the air outlet column.
4. The remote pressure regulating device according to claim 1, wherein the vent post is provided with a pressure relief port for reducing the pressure of the vent post after the pressure relief port is opened.
5. The remote pressure regulating device of claim 1, wherein two manual valves are provided on the air inlet line, the two manual valves comprising a first main manual valve and a first backup manual valve.
6. The remote pressure regulating device of claim 1, wherein two manual valves are provided on the intermediate line, the two manual valves comprising a second main manual valve and a second backup manual valve.
7. The remote pressure regulating device according to claim 1, wherein the air inlet pipeline and the intermediate pipeline are integrated in a box body, and the box body is provided with a plurality of air inlet pipeline holes for penetrating the air inlet pipeline; the box body is provided with a plurality of middle pipeline holes for penetrating middle pipelines; and each manual valve and the electromagnetic valve are disposed outside the tank.
8. The remote pressure regulating device according to claim 7, wherein the air inlet column, the air outlet column, the box body, each manual valve, the electromagnetic valve, the air inlet pipeline, the intermediate pipeline and the air outlet pipeline are integrated in a shell, the shell is provided with an inlet and an outlet, the inlet is used for penetrating the air inlet pipeline, and the outlet is used for penetrating the air outlet pipeline.
9. The remote pressure regulating device of claim 8, wherein the housing is an explosion-proof housing.
10. The remote pressure regulator apparatus of claim 1, wherein the manual valve is a needle valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123177163.1U CN216647183U (en) | 2021-12-16 | 2021-12-16 | Remote pressure regulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123177163.1U CN216647183U (en) | 2021-12-16 | 2021-12-16 | Remote pressure regulating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216647183U true CN216647183U (en) | 2022-05-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123177163.1U Active CN216647183U (en) | 2021-12-16 | 2021-12-16 | Remote pressure regulating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216647183U (en) |
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2021
- 2021-12-16 CN CN202123177163.1U patent/CN216647183U/en active Active
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