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CN111271606A - A mobile gas pressure regulating and metering skid - Google Patents

A mobile gas pressure regulating and metering skid Download PDF

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Publication number
CN111271606A
CN111271606A CN202010319737.5A CN202010319737A CN111271606A CN 111271606 A CN111271606 A CN 111271606A CN 202010319737 A CN202010319737 A CN 202010319737A CN 111271606 A CN111271606 A CN 111271606A
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Prior art keywords
pressure
valve
regulating valve
downstream
gauge assembly
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Withdrawn
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CN202010319737.5A
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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 CN202010319737.5A priority Critical patent/CN111271606A/en
Publication of CN111271606A publication Critical patent/CN111271606A/en
Withdrawn legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D3/00—Arrangements for supervising or controlling working operations
    • F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D1/00—Pipe-line systems
    • F17D1/02—Pipe-line systems for gases or vapours
    • F17D1/04—Pipe-line systems for gases or vapours for distribution of gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D3/00—Arrangements for supervising or controlling working operations
    • F17D3/18—Arrangements for supervising or controlling working operations for measuring the quantity of conveyed product

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Measuring Volume Flow (AREA)

Abstract

一种移动式燃气调压计量撬，所述的燃气调压计量撬由天然气整流器、流量计、安全切断阀、监控调压阀、工作调节阀按照从上游至下游的顺序串联在一起组成；在流量计下游设计安装温度变送器、压力表组件、温度表组件；在安全切断阀下游设计压力表组件；在监控调压阀下游设计压力表组件；在电动调节阀下游设计压力表组件、气源分配器、压力变送器；气源分配器为安全切断阀、监控调压阀提供气源信号；温度变送器、压力变送器采集压力、温度信号给站控控制系统；优点是：集成撬装化设计，模块化施工，方便现场安装施工，结构紧凑，占地面积小，操作维护方便；可无人值守，只需定期检查；扩展性好，可根据用户要求增添功能。

Figure 202010319737

A mobile gas pressure regulating and metering skid, the gas pressure regulating and metering skid is composed of a natural gas rectifier, a flow meter, a safety shut-off valve, a monitoring pressure regulating valve, and a working regulating valve in series from upstream to downstream; Design and install temperature transmitter, pressure gauge assembly and temperature gauge assembly downstream of flow meter; design pressure gauge assembly downstream of safety shut-off valve; design pressure gauge assembly downstream of monitoring pressure regulating valve; design pressure gauge assembly, gas pressure gauge assembly downstream of electric control valve Source distributor and pressure transmitter; air source distributor provides air source signal for safety shut-off valve and monitoring pressure regulating valve; temperature transmitter and pressure transmitter collect pressure and temperature signal to station control system; the advantages are: Integrated skid-mounted design, modular construction, convenient on-site installation and construction, compact structure, small footprint, convenient operation and maintenance; unattended, only need regular inspection; good scalability, and functions can be added according to user requirements.

Figure 202010319737

Description

一种移动式燃气调压计量撬A mobile gas pressure regulating and metering skid

技术领域technical field

本发明属于计量撬领域，具体涉及一种移动式燃气调压计量撬。The invention belongs to the field of metering skids, in particular to a mobile gas pressure regulating metering skid.

背景技术Background technique

燃气调压计量装置是一种集计量、调压、限流、安全切断、压力显示、自动远传控制为一体的天然气自动化控制设备，广泛应用于长输管线的首站、门站、分输站、区域调压站、其他专用用户或民用用户等设备的燃气供应。Gas pressure regulating and metering device is a natural gas automatic control equipment that integrates metering, pressure regulation, current limiting, safety cut-off, pressure display, and automatic remote control. Gas supply for equipment such as stations, regional pressure regulating stations, other dedicated users or civil users.

发明内容SUMMARY OF THE INVENTION

为了解决现有技术存在的问题， 本发明提供一种移动式燃气调压计量撬。In order to solve the problems existing in the prior art, the present invention provides a mobile gas pressure regulating and metering skid.

本发明的技术方案是：一种移动式燃气调压计量撬，包括天然气整流器，流量计，温度变送器，压力表组件， 温度表组件， 安全切断阀，监控调压阀，电动调节阀，气源分配器，压力变送器，所述的燃气调压计量撬由天然气整流器、流量计、安全切断阀、监控调压阀、工作调节阀按照从上游至下游的顺序串联在一起组成；在流量计下游设计安装温度变送器、压力表组件、温度表组件；在安全切断阀下游设计压力表组件；在监控调压阀下游设计压力表组件；在电动调节阀下游设计压力表组件、气源分配器、压力变送器；气源分配器为安全切断阀、监控调压阀提供气源信号；温度变送器、压力变送器采集压力、温度信号给站控控制系统。The technical scheme of the present invention is: a mobile gas pressure regulating and metering skid, comprising a natural gas rectifier, a flow meter, a temperature transmitter, a pressure gauge assembly, a temperature gauge assembly, a safety shut-off valve, a monitoring pressure regulating valve, an electric regulating valve, Gas source distributor, pressure transmitter, and the gas pressure regulating and metering skid is composed of natural gas rectifier, flow meter, safety shut-off valve, monitoring pressure regulating valve, and working regulating valve in series from upstream to downstream; Design and install temperature transmitter, pressure gauge assembly and temperature gauge assembly downstream of flow meter; design pressure gauge assembly downstream of safety shut-off valve; design pressure gauge assembly downstream of monitoring pressure regulating valve; design pressure gauge assembly, gas pressure gauge assembly downstream of electric control valve Source distributor and pressure transmitter; air source distributor provides air source signal for safety shut-off valve and monitoring pressure regulating valve; temperature transmitter and pressure transmitter collect pressure and temperature signal to station control system.

天然气经气管线引入，经天然气稳压,天然气整流器进行稳流，经流量计对气量进行计量，经电动调节阀进行调压限流，并把压力、流量、温度信号采集传输到数据采集系统实现远程控制。The natural gas is introduced through the gas pipeline, stabilized by natural gas, stabilized by the natural gas rectifier, measured by the flow meter, regulated and limited by the electric regulating valve, and collected and transmitted the pressure, flow and temperature signals to the data acquisition system. remote control.

正常情况下安全切断阀和监控调压阀处于全开位置，由电动调节阀对下游压力进行压力控制，当压力控制系统接到流量控制系统的信号，供气流量超过设定值时，电动调节阀切换到流量控制状态，此时站控系统输出控制信号，限制分输流量，当电动调节阀出现故障超过设定压力值，无法控制下游压力时，监控调压阀开始工作，以维持下游压力的安全范围，若监控调压阀也出现故障超过设定压力值，不能控制下游压力时，安全切断阀则自动切断气源，以保证下游管道和设备的安全。Under normal circumstances, the safety shut-off valve and the monitoring pressure regulating valve are in the fully open position, and the downstream pressure is controlled by the electric regulating valve. When the pressure control system receives the signal from the flow control system and the air supply flow exceeds the set value, the electric regulation The valve switches to the flow control state. At this time, the station control system outputs a control signal to limit the distribution flow. When the electric regulating valve fails and exceeds the set pressure value and cannot control the downstream pressure, the monitoring pressure regulating valve starts to work to maintain the downstream pressure. If the monitoring pressure regulating valve also fails and exceeds the set pressure value and cannot control the downstream pressure, the safety shut-off valve will automatically cut off the gas source to ensure the safety of downstream pipelines and equipment.

压力表组件显示天然气实时压力。The pressure gauge assembly displays the real-time pressure of natural gas.

温度表组件显示天然气实时温度。The thermometer component displays the real-time temperature of natural gas.

本发明的有益效果是：集成撬装化设计，模块化施工，方便现场安装施工，结构紧凑，占地面积小，操作维护方便。可无人值守，只需定期检查。扩展性好，可根据用户要求增添功能。The beneficial effects of the invention are: integrated skid-mounted design, modular construction, convenient on-site installation and construction, compact structure, small footprint, and convenient operation and maintenance. Can be unattended, just check regularly. Good expansibility, and functions can be added according to user requirements.

附图说明Description of drawings

图1是本发明的工艺流程图。Fig. 1 is a process flow diagram of the present invention.

图2是本发明的管道安装布置图。Figure 2 is a diagram of the piping installation arrangement of the present invention.

图中：1. 天然气整流器，2.流量计，3.温度变送器，4.压力表组件， 5. 温度表组件，6. 安全切断阀，7. 监控调压阀，8. 电动调节阀，9. 气源分配器，10.压力变送器，11.钢制平台，12.仪表电源控制箱。In the picture: 1. Natural gas rectifier, 2. Flowmeter, 3. Temperature transmitter, 4. Pressure gauge assembly, 5. Temperature gauge assembly, 6. Safety shut-off valve, 7. Monitoring pressure regulating valve, 8. Electric regulating valve , 9. Air distributor, 10. Pressure transmitter, 11. Steel platform, 12. Instrument power control box.

具体实施方式Detailed ways

为了使本发明的技术方案更加全面，下面将结合本发明的附图对本发明的技术方案进行清楚、完整的描述。In order to make the technical solution of the present invention more comprehensive, the technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention.

一种移动式燃气调压计量撬，包括天然气整流器1，流量计2，温度变送器3，压力表组件4， 温度表组件5， 安全切断阀6，监控调压阀7，电动调节阀8，气源分配器9，压力变送器10，所述的燃气调压计量撬由天然气整流器1、流量计2、安全切断阀6、监控调压阀7、工作调节阀8按照从上游至下游的顺序串联在一起组成；在流量计2下游设计安装温度变送器3、压力表组件4、温度表组件5；在安全切断阀6下游设计压力表组件4；在监控调压阀7下游设计压力表组件4；在电动调节阀8下游设计压力表组件4、气源分配器9、压力变送器10；气源分配器9为安全切断阀6、监控调压阀7提供气源信号；温度变送器3、压力变送器10采集压力、温度信号给站控控制系统。A mobile gas pressure regulating and metering skid, comprising a natural gas rectifier 1, a flow meter 2, a temperature transmitter 3, a pressure gauge assembly 4, a temperature gauge assembly 5, a safety shut-off valve 6, a monitoring pressure regulating valve 7, and an electric regulating valve 8 , the gas source distributor 9, the pressure transmitter 10, the gas pressure regulating and measuring skid is composed of the natural gas rectifier 1, the flow meter 2, the safety shut-off valve 6, the monitoring pressure regulating valve 7, and the working regulating valve 8 according to the order from upstream to downstream Design and install temperature transmitter 3, pressure gauge assembly 4, temperature gauge assembly 5 downstream of flow meter 2; design pressure gauge assembly 4 downstream of safety shut-off valve 6; design downstream monitoring pressure regulating valve 7 Pressure gauge assembly 4; pressure gauge assembly 4, air source distributor 9, and pressure transmitter 10 are designed downstream of electric regulating valve 8; air source distributor 9 provides air source signal for safety shut-off valve 6 and monitoring pressure regulating valve 7; The temperature transmitter 3 and the pressure transmitter 10 collect pressure and temperature signals to the station control system.

天然气经气管线引入，经天然气稳压,天然气整流器1进行稳流，经流量计2对气量进行计量，经电动调节阀8进行调压限流，并把压力、流量、温度信号采集传输到数据采集系统实现远程控制。The natural gas is introduced through the gas pipeline, stabilized by the natural gas, stabilized by the natural gas rectifier 1, metered by the flow meter 2, regulated and limited by the electric control valve 8, and collected and transmitted the pressure, flow and temperature signals to the data The acquisition system realizes remote control.

正常情况下安全切断阀6和监控调压阀7处于全开位置，由电动调节阀8对下游压力进行压力控制，当压力控制系统接到流量控制系统的信号，供气流量超过设定值时，电动调节阀8切换到流量控制状态，此时站控系统输出控制信号，限制分输流量，当电动调节阀8出现故障超过设定压力值，无法控制下游压力时，监控调压阀7开始工作，以维持下游压力的安全范围，若监控调压阀7也出现故障超过设定压力值，不能控制下游压力时，安全切断阀6则自动切断气源，以保证下游管道和设备的安全。Under normal circumstances, the safety shut-off valve 6 and the monitoring pressure regulating valve 7 are in the fully open position, and the downstream pressure is controlled by the electric regulating valve 8. When the pressure control system receives the signal from the flow control system, the air supply flow exceeds the set value. , the electric regulating valve 8 is switched to the flow control state. At this time, the station control system outputs a control signal to limit the distribution flow. When the electric regulating valve 8 fails and exceeds the set pressure value and cannot control the downstream pressure, monitoring the pressure regulating valve 7 starts. To maintain the safe range of downstream pressure, if the monitoring pressure regulating valve 7 also fails and exceeds the set pressure value and cannot control the downstream pressure, the safety shut-off valve 6 will automatically cut off the gas source to ensure the safety of downstream pipelines and equipment.

压力表组件4显示天然气实时压力。The pressure gauge assembly 4 displays the real-time pressure of natural gas.

温度表组件5显示天然气实时温度。Thermometer component 5 displays the real-time temperature of natural gas.

将天然气整流器1、流量计2、阀门、仪表、管件、直管段等组装集成在一个钢制平台11上进行厂内组装、试压、调试，再运输到生产现场进行安装。The natural gas rectifier 1, flow meter 2, valves, instruments, pipe fittings, straight pipe sections, etc. are assembled and integrated on a steel platform 11 for in-plant assembly, pressure test, debugging, and then transported to the production site for installation.

压力控制及数据采集系统集成到仪表电源控制箱12，利用PLC及相关模块，采集压力、温度、开光量信号等信号，通过编程，实现关联控制功能。同时利用人机界面实现现场实时监测，通过485总线实现数据传输和显示。The pressure control and data acquisition system is integrated into the instrument power control box 12, and uses PLC and related modules to collect signals such as pressure, temperature, and light output signals, and implement related control functions through programming. At the same time, the man-machine interface is used to realize on-site real-time monitoring, and the data transmission and display are realized through the 485 bus.

Claims (5)

1.一种移动式燃气调压计量撬，包括天然气整流器（1），流量计（2），温度变送器（3），压力表组件（4）， 温度表组件（5）， 安全切断阀（6），监控调压阀（7），电动调节阀（8），气源分配器（9），压力变送器（10），其特征在于：所述的燃气调压计量撬由天然气整流器（1）、流量计（2）、安全切断阀（6）、监控调压阀（7）、工作调节阀（8）按照从上游至下游的顺序串联在一起组成；在流量计（2）下游设计安装温度变送器（3）、压力表组件（4）、温度表组件（5）；在安全切断阀（6）下游设计压力表组件（4）；在监控调压阀（7）下游设计压力表组件（4）；在电动调节阀（8）下游设计压力表组件（4）、气源分配器（9）、压力变送器（10）；气源分配器（9）为安全切断阀（6）、监控调压阀（7）提供气源信号；温度变送器（3）、压力变送器（10）采集压力、温度信号给站控控制系统。1. A mobile gas pressure regulating and metering skid, comprising a natural gas rectifier (1), a flow meter (2), a temperature transmitter (3), a pressure gauge assembly (4), a temperature gauge assembly (5), and a safety shut-off valve (6), a monitoring pressure regulating valve (7), an electric regulating valve (8), a gas source distributor (9), and a pressure transmitter (10), characterized in that: the gas pressure regulating and measuring skid is composed of a natural gas rectifier (1), flowmeter (2), safety shut-off valve (6), monitoring pressure regulating valve (7), and working regulating valve (8) are connected in series in the order from upstream to downstream; downstream of the flowmeter (2) Design and install temperature transmitter (3), pressure gauge assembly (4), temperature gauge assembly (5); design pressure gauge assembly (4) downstream of safety shut-off valve (6); design downstream monitoring pressure regulating valve (7) A pressure gauge assembly (4); a pressure gauge assembly (4), an air source distributor (9), and a pressure transmitter (10) are designed downstream of the electric regulating valve (8); the air source distributor (9) is a safety shut-off valve (6) The monitoring pressure regulating valve (7) provides the air source signal; the temperature transmitter (3) and the pressure transmitter (10) collect the pressure and temperature signals to the station control system. 2.根据权利要求1所述的一种移动式燃气调压计量撬，其特征在于：天然气经气管线引入，经天然气稳压,天然气整流器（1）进行稳流，经流量计（2）对气量进行计量，经电动调节阀（8）进行调压限流，并把压力、流量、温度信号采集传输到数据采集系统实现远程控制。2. A mobile gas pressure regulating and metering skid according to claim 1, characterized in that: the natural gas is introduced through the gas pipeline, and the natural gas is regulated by the natural gas. The gas volume is measured, and the pressure, flow and temperature signals are collected and transmitted to the data collection system to realize remote control through the electric regulating valve (8) to regulate the pressure and current. 3.根据权利要求1所述的一种移动式燃气调压计量撬，其特征在于：正常情况下安全切断阀（6）和监控调压阀（7）处于全开位置，由电动调节阀（8）对下游压力进行压力控制，当压力控制系统接到流量控制系统的信号，供气流量超过设定值时，电动调节阀（8）切换到流量控制状态，此时站控系统输出控制信号，限制分输流量，当电动调节阀（8）出现故障超过设定压力值，无法控制下游压力时，监控调压阀（7）开始工作，以维持下游压力的安全范围，若监控调压阀（7）也出现故障超过设定压力值，不能控制下游压力时，安全切断阀（6）则自动切断气源，以保证下游管道和设备的安全。3. A mobile gas pressure regulating and metering skid according to claim 1, characterized in that: under normal circumstances, the safety shut-off valve (6) and the monitoring pressure regulating valve (7) are in the fully open position, and the electric regulating valve ( 8) Control the downstream pressure. When the pressure control system receives the signal from the flow control system and the air supply flow exceeds the set value, the electric regulating valve (8) switches to the flow control state, and the station control system outputs a control signal at this time. , limit the distribution flow. When the electric regulating valve (8) fails to exceed the set pressure value and cannot control the downstream pressure, the monitoring pressure regulating valve (7) starts to work to maintain the safe range of the downstream pressure. If the monitoring pressure regulating valve (7) When a fault also exceeds the set pressure value and the downstream pressure cannot be controlled, the safety shut-off valve (6) will automatically cut off the gas source to ensure the safety of the downstream pipeline and equipment. 4.根据权利要求1所述的一种移动式燃气调压计量撬，其特征在于：压力表组件（4）显示天然气实时压力。4. A mobile gas pressure regulating and metering skid according to claim 1, characterized in that: the pressure gauge assembly (4) displays the real-time pressure of natural gas. 5.根据权利要求1所述的一种移动式燃气调压计量撬，其特征在于：温度表组件（5）显示天然气实时温度。5 . The mobile gas pressure regulating and metering skid according to claim 1 , wherein the thermometer assembly ( 5 ) displays the real-time temperature of natural gas. 6 .
CN202010319737.5A 2020-04-22 2020-04-22 A mobile gas pressure regulating and metering skid Withdrawn CN111271606A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111720739A (en) * 2020-07-08 2020-09-29 山东省天然气管道有限责任公司 A system and method for stabilizing pressure of gas supply pipeline in gas transmission station
CN111998224A (en) * 2020-09-15 2020-11-27 大庆市普罗石油科技有限公司 Bidirectional separation metering device
CN114323164A (en) * 2021-11-24 2022-04-12 北京市燃气集团有限责任公司 Real-time online energy metering method and system for gas users
CN114813145A (en) * 2022-05-19 2022-07-29 厦门中冠能燃气轮机科技有限责任公司 Fuel gas system of gas turbine test bed

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