CN212156667U - Movable gas pressure regulating and metering pry - Google Patents

Movable gas pressure regulating and metering pry Download PDF

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Publication number
CN212156667U
CN212156667U CN202020607536.0U CN202020607536U CN212156667U CN 212156667 U CN212156667 U CN 212156667U CN 202020607536 U CN202020607536 U CN 202020607536U CN 212156667 U CN212156667 U CN 212156667U
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China
Prior art keywords
pressure
valve
downstream
control
regulating valve
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Active
Application number
CN202020607536.0U
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Chinese (zh)
Inventor
杨志军
纪延涛
魏中格
任光明
迟延国
毛强胜
冯涛
张军见
王增宏
付兴华
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Sinopec Oilfield Service Corp
Sinopec Shengli Oilfield Construction Engineering Co Ltd
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Sinopec Oilfield Service Corp
Sinopec Shengli Oilfield Construction Engineering Co Ltd
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Priority to CN202020607536.0U priority Critical patent/CN212156667U/en
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Publication of CN212156667U publication Critical patent/CN212156667U/en
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Abstract

A movable gas pressure regulating and metering pry is composed of a natural gas rectifier, a flowmeter, a safety cut-off valve, a monitoring pressure regulating valve and an electric regulating valve which are connected in series from upstream to downstream; a temperature transmitter, a pressure gauge component and a thermometer component are arranged at the downstream of the flowmeter; a pressure gauge component is arranged at the downstream of the safety shut-off valve; designing a pressure gauge assembly at the downstream of the monitoring pressure regulating valve; a pressure gauge component, an air source distributor and a pressure transmitter are arranged at the downstream of the electric regulating valve; the air source distributor provides air source signals for the safety shut-off valve and the monitoring pressure regulating valve; the temperature transmitter and the pressure transmitter collect pressure and temperature signals and send the pressure and temperature signals to the station control system; the advantages are that: the integrated skid-mounted design and the modular construction facilitate the on-site installation and construction, and have the advantages of compact structure, small occupied area and convenient operation and maintenance; the device can be unattended, and only needs to be checked regularly; the expansibility is good, and functions can be added according to the requirements of users.

Description

Movable gas pressure regulating and metering pry
Technical Field
The utility model belongs to measurement sled field, concretely relates to portable gas pressure regulating measurement sled.
Background
The gas pressure regulating and metering device is a natural gas automatic control device integrating metering, pressure regulating, current limiting, safety cut-off, pressure display and automatic remote transmission control, and is widely applied to gas supply of devices such as a first station, a gate station, a branch transmission station, a regional pressure regulating station, other special users or civil users and the like of a long-distance transmission pipeline.
Disclosure of Invention
In order to solve the problem that prior art exists, the utility model provides a portable gas pressure regulating measurement sled.
The technical scheme of the utility model is that: a movable gas pressure regulating and metering pry comprises a natural gas rectifier, a flowmeter, a temperature transmitter, a pressure gauge component, a thermometer component, a safety cut-off valve, a monitoring and pressure regulating valve, an electric regulating valve, a gas source distributor and a pressure transmitter, wherein the gas pressure regulating and metering pry is formed by serially connecting the natural gas rectifier, the flowmeter, the safety cut-off valve, the monitoring and pressure regulating valve and the electric regulating valve in sequence from upstream to downstream; a temperature transmitter, a pressure gauge component and a thermometer component are arranged at the downstream of the flowmeter; a pressure gauge component is arranged at the downstream of the safety shut-off valve; designing a pressure gauge assembly at the downstream of the monitoring pressure regulating valve; a pressure gauge component, an air source distributor and a pressure transmitter are arranged at the downstream of the electric regulating valve; the air source distributor provides air source signals for the safety shut-off valve and the monitoring pressure regulating valve; the temperature transmitter and the pressure transmitter collect pressure and temperature signals and send the pressure and temperature signals to the station control system.
The natural gas is introduced through a gas pipeline, stabilized through the natural gas, stabilized through a natural gas rectifier, metered through a flowmeter, regulated through an electric regulating valve and limited in current, and pressure, flow and temperature signals are collected and transmitted to a data collection system to realize remote control.
The safety cut-off valve and the monitoring pressure regulating valve are in full open positions under normal conditions, pressure control is carried out on downstream pressure by the electric regulating valve, signals of the flow control system are received by the pressure control system, when the air supply flow exceeds a set value, the electric regulating valve is switched to a flow control state, the station control system outputs control signals at the moment, the distribution flow is limited, when the electric regulating valve breaks down and exceeds a set pressure value, when the downstream pressure cannot be controlled, the monitoring pressure regulating valve starts to work, so that the safety range of the downstream pressure is maintained, if the monitoring pressure regulating valve also breaks down and exceeds the set pressure value, when the downstream pressure cannot be controlled, the air source is automatically cut off by the safety cut-off valve, and.
The pressure gauge component displays real-time pressure of natural gas.
The thermometer component displays the real-time temperature of the natural gas.
The utility model has the advantages that: the integrated skid-mounted design, the modular construction, convenient on-site installation and construction, compact structure, small occupied area and convenient operation and maintenance. Can be unattended, and only needs to be checked regularly. The expansibility is good, and functions can be added according to the requirements of users.
Drawings
Fig. 1 is a process flow diagram of the present invention.
Fig. 2 is a layout diagram of the pipeline installation of the present invention.
In the figure: 1. the system comprises a natural gas rectifier, a flowmeter, a temperature transmitter, a pressure gauge component, a temperature gauge component, a safety cut-off valve, a monitoring pressure regulating valve, an electric regulating valve, an air source distributor, a pressure transmitter, a steel platform and an instrument power supply control box, wherein the natural gas rectifier comprises 2 parts of a flowmeter, 3 parts of a temperature transmitter, 4 parts of a pressure gauge component, 5 parts of a temperature gauge component, 6 parts of a safety cut-off valve, 7 parts of.
Detailed Description
In order to make the technical scheme of the utility model more comprehensive, will combine below the utility model discloses a drawing is right the utility model discloses a technical scheme carries out clear, complete description.
A movable gas pressure regulating and metering pry comprises a natural gas rectifier 1, a flowmeter 2, a temperature transmitter 3, a pressure gauge component 4, a thermometer component 5, a safety cut-off valve 6, a monitoring and pressure regulating valve 7, an electric regulating valve 8, a gas source distributor 9 and a pressure transmitter 10, wherein the gas pressure regulating and metering pry is formed by serially connecting the natural gas rectifier 1, the flowmeter 2, the safety cut-off valve 6, the monitoring and pressure regulating valve 7 and the electric regulating valve 8 in sequence from upstream to downstream; a temperature transmitter 3, a pressure gauge component 4 and a thermometer component 5 are arranged at the downstream of the flowmeter 2; a pressure gauge component 4 is arranged at the downstream of the safety shut-off valve 6; a pressure gauge assembly 4 is arranged at the downstream of the monitoring pressure regulating valve 7; a pressure gauge component 4, an air source distributor 9 and a pressure transmitter 10 are arranged at the downstream of the electric regulating valve 8; the air source distributor 9 provides air source signals for the safety shut-off valve 6 and the monitoring pressure regulating valve 7; the temperature transmitter 3 and the pressure transmitter 10 collect pressure and temperature signals and send the pressure and temperature signals to the station control system.
Natural gas is introduced through a gas pipeline, the natural gas rectifier 1 carries out steady flow through natural gas pressure stabilization, the gas quantity is measured through the flow meter 2, the pressure regulation and the current limitation are carried out through the electric regulating valve 8, and pressure, flow and temperature signals are collected and transmitted to the data collection system to realize remote control.
Normally, the safety cut-off valve 6 and the monitoring pressure regulating valve 7 are in full open positions, the downstream pressure is subjected to pressure control by the electric regulating valve 8, when the pressure control system receives signals of the flow control system, when the air supply flow exceeds a set value, the electric regulating valve 8 is switched to the flow control state, the station control system outputs control signals at the moment, the distribution flow is limited, when the electric regulating valve 8 breaks down to exceed the set pressure value, the downstream pressure cannot be controlled, the monitoring pressure regulating valve 7 starts to work, the safety range of the downstream pressure is maintained, if the monitoring pressure regulating valve 7 also breaks down to exceed the set pressure value, when the downstream pressure cannot be controlled, the air source is automatically cut off by the safety cut-off valve 6, and the safety of a downstream.
The pressure gauge component 4 displays the real-time pressure of the natural gas.
The thermometer assembly 5 displays the real-time temperature of the natural gas.
The natural gas rectifier 1, the flowmeter 2, the valve, the instrument, the pipe fitting, the straight pipe section and the like are assembled and integrated on a steel platform 11 to be assembled, tested and debugged in a factory, and then transported to a production site to be installed.
The pressure control and data acquisition system is integrated into the instrument power control box 12, and uses the PLC and related modules to acquire signals such as pressure, temperature, light opening quantity signals and the like, and realizes the related control function through programming. Meanwhile, the field real-time monitoring is realized by utilizing a human-computer interface, and the data transmission and display are realized through a 485 bus.

Claims (5)

1. The utility model provides a portable gas pressure regulating measurement sled, includes natural gas rectifier (1), flowmeter (2), temperature transmitter (3), manometer subassembly (4), thermometer subassembly (5), safety cut-off valve (6), control air-vent valve (7), electrical control valve (8), air supply distributor (9), pressure transmitter (10), its characterized in that: the gas pressure regulating and metering pry is formed by serially connecting a natural gas rectifier (1), a flowmeter (2), a safety cut-off valve (6), a monitoring pressure regulating valve (7) and an electric regulating valve (8) in sequence from upstream to downstream; a temperature transmitter (3), a pressure gauge component (4) and a thermometer component (5) are arranged at the downstream of the flowmeter (2); a pressure gauge component (4) is arranged at the downstream of the safety shut-off valve (6); a pressure gauge component (4) is arranged at the downstream of the monitoring pressure regulating valve (7); a pressure gauge component (4), an air source distributor (9) and a pressure transmitter (10) are arranged at the downstream of the electric regulating valve (8); the air source distributor (9) provides air source signals for the safety shut-off valve (6) and the monitoring pressure regulating valve (7); the temperature transmitter (3) and the pressure transmitter (10) collect pressure and temperature signals and send the pressure and temperature signals to the station control system.
2. The mobile gas pressure regulating and metering pry of claim 1, wherein: natural gas is introduced through a gas pipeline, is stabilized by the natural gas rectifier (1), is metered by the flowmeter (2), is regulated by the electric regulating valve (8) and is limited by the pressure and the flow, and the pressure, the flow and the temperature signals are collected and transmitted to the data collection system to realize remote control.
3. The mobile gas pressure regulating and metering pry of claim 1, wherein: under normal conditions safety shut-off valve (6) and control air-vent valve (7) are in full open position, carry out pressure control to downstream pressure by electric control valve (8), receive flow control system's signal when pressure control system, when air feed flow exceeded the setting value, electric control valve (8) switch to flow control state, the control signal is exported to the station control system this moment, limit the branch transmission flow, when electric control valve (8) break down and exceed the setting pressure value, when unable control downstream pressure, control air-vent valve (7) begin work, in order to maintain the safe range of downstream pressure, if control air-vent valve (7) also break down and exceed the setting pressure value, when unable control downstream pressure, then automatic cutout air supply is given to safety shut-off valve (6), in order to guarantee the safety of downstream pipeline and equipment.
4. The mobile gas pressure regulating and metering pry of claim 1, wherein: the pressure gauge component (4) displays the real-time pressure of the natural gas.
5. The mobile gas pressure regulating and metering pry of claim 1, wherein: the thermometer component (5) displays the real-time temperature of the natural gas.
CN202020607536.0U 2020-04-22 2020-04-22 Movable gas pressure regulating and metering pry Active CN212156667U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020607536.0U CN212156667U (en) 2020-04-22 2020-04-22 Movable gas pressure regulating and metering pry

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020607536.0U CN212156667U (en) 2020-04-22 2020-04-22 Movable gas pressure regulating and metering pry

Publications (1)

Publication Number Publication Date
CN212156667U true CN212156667U (en) 2020-12-15

Family

ID=73722756

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020607536.0U Active CN212156667U (en) 2020-04-22 2020-04-22 Movable gas pressure regulating and metering pry

Country Status (1)

Country Link
CN (1) CN212156667U (en)

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