Gas pipeline pressure stabilizing device

By integrating a pressure buffer tank, an electric regulating valve, and a PLC controller, the gas pipeline pressure stabilization device solves the problem of the difficulty in achieving precise control in traditional systems, and realizes the stability of pressure in the gas pipeline and enhances safety.

CN223663152UActive Publication Date: 2025-12-12ZOUCHENG PETROCHINA KUNLUN GAS CO LTD
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Patent Information

Application Number
CN202520392765.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-07
Publication Date
2025-12-12
Estimated Expiration
2035-03-07

AI Technical Summary

Technical Problem

Traditional gas pipeline pressure control systems struggle to achieve precise real-time control, and the lack of effective monitoring methods makes it difficult to detect and respond to pressure anomalies in a timely manner, posing safety hazards.

Method used

The gas pipeline pressure stabilization device adopts an integrated pressure buffer tank and an electric regulating valve, equipped with first and second pressure sensors and a PLC programmable logic controller. It enhances system safety by monitoring and precisely regulating the gas flow in real time, combined with a filter and multiple shut-off valves.

Benefits of technology

It achieves stable pressure control within the gas pipeline, ensuring that the pressure remains within the preset range, thereby enhancing the reliability and safety of the system and enabling timely response to pressure fluctuations and emergencies.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223663152U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of gas pipelines, in particular to a gas pipeline pressure stabilizing device, a pressure buffer tank and an electric control valve are arranged in the middle of a gas pipeline, a pressure gauge is arranged at the top of the pressure buffer tank, and the electric control valve is arranged behind the pressure buffer tank. A first pressure sensor and a second pressure sensor are arranged on the two sides of the electric adjusting valve respectively, a control module is fixedly connected with the electric adjusting valve, and the control module is electrically connected with the electric adjusting valve, the first pressure sensor and the second pressure sensor. By integrating the pressure buffer tank and the electric regulating valve, pressure fluctuation in the gas pipeline can be effectively absorbed and released, and meanwhile, the control module is used for accurately regulating the gas flow according to pressure sensor data monitored in real time, so that the pressure in the pipeline is maintained within a preset range, and the pressure stability is greatly improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to gas pipeline technical field, concretely refers to a gas pipeline pressure stabilizing device. BACKGROUND

[0002] In the gas supply system, the pressure stability in the pipeline is crucial. Too high or too low pressure can cause damage to gas equipment, and even cause safety accidents. The traditional gas pipeline pressure control system often relies on simple pressure regulating valve and manual operation, and it is difficult to realize accurate real-time control. In addition, the lack of effective monitoring means also leads to difficulty in timely discovery and response when the pressure is abnormal.

[0003] Therefore, it is necessary to develop a gas pipeline pressure stabilizing device to solve the above problems existing in the prior art. UTILITY MODEL CONTENT

[0004] The technical problem to be solved by the utility model is to overcome the defects of the above-mentioned technology, and to provide a gas pipeline pressure stabilizing device.

[0005] In order to achieve the above purpose, the utility model provides a gas pipeline pressure stabilizing device, which comprises a gas pipeline, a pressure buffer tank and an electric regulating valve are connected in the middle of the gas pipeline through a flange plate, a pressure gauge is arranged on the top of the pressure buffer tank, the electric regulating valve is arranged behind the pressure buffer tank, first and second pressure sensors are arranged on the two sides of the electric regulating valve respectively, a control module is fixedly connected with the electric regulating valve, and the control module is electrically connected with the electric regulating valve, the first pressure sensor and the second pressure sensor.

[0006] Further, a pressure relief valve electrically connected with the control module is arranged in the middle of the side surface of the pressure buffer tank, and a blowdown valve is arranged at the bottom of the buffer tank.

[0007] Further, it further comprises a filter screen, and the filter screen is arranged at the inlet end of the gas pipeline.

[0008] Further, it further comprises a stop valve, which comprises a first stop valve arranged in front of the pressure buffer tank, a second stop valve arranged between the buffer tank and the electric regulating valve, and a third stop valve arranged behind the electric regulating valve.

[0009] Further, the control module is a PLC programmable logic controller.

[0010] The utility model discloses a gas pipeline pressure stabilizing device, through the integration pressure buffer tank and electric regulating valve, this device can effectively absorb and release pressure fluctuation in the gas flow process, and according to the first pressure sensor and second pressure sensor data of real -time monitoring, by PLC programmable logic controller accurate regulation gas flow, ensure that the pressure in the pipeline maintains in the preset range. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a kind of gas pipeline pressure stabilizing device overall view of the utility model.

[0012] As shown in the figure: 1, gas pipeline;2, filter screen;3, first stop valve;4, buffer tank;401, pressure display;402, pressure relief valve;403, blowdown valve;5, first pressure sensor;6, second stop valve;7, electric regulating valve;8, control unit;9, second pressure sensor;10, third stop valve. DETAILED DESCRIPTION

[0013] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0014] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise specifically limited.

[0015] In the description of the embodiments of the utility model, if a certain feature is referred to as "set", "fixed", "connected", "installed" on another feature, it can be directly set, fixed, connected on another feature, or indirectly set, fixed, connected, installed on another feature.

[0016] In the description of the embodiments of the utility model, if it involves "several", its meaning is more than one, if it involves "multiple", its meaning is more than two, if it involves "greater than", "less than", "exceed", should be understood as not including the number, if it involves "above", "below", "within", should be understood as including the number. If it involves "first", "second", should be understood as being used to distinguish technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0017] The utility model will be further described in detail below in combination with the drawings.

[0018] In combination with the drawings Figure 1 The embodiment provides a kind of gas pipeline 1 pressure stabilizing device, including gas pipeline 1, the middle part of the gas pipeline 1 is closedly connected by flange plate and is equipped with pressure buffer tank 4 and electric regulating valve 7, the top of the pressure buffer tank 4 is equipped with pressure gauge, the electric regulating valve 7 is located behind the pressure buffer tank 4, the two sides of the electric regulating valve 7 are equipped with first pressure sensor 5 and second pressure sensor 9 respectively, and control module 8 is equipped with fixed connection with the electric regulating valve 7, the control module 8 is electrically connected with the electric regulating valve 7, the first pressure sensor 5 and the second pressure sensor 9.

[0019] In combination with the drawings Figure 1 The side surface middle part of the pressure buffer tank 4 is equipped with pressure relief valve 402 that is electrically connected with the control module 8, and the bottom of the buffer tank 4 is equipped with blowdown valve 403.

[0020] In combination with the drawings Figure 1 Also include filter screen 2, the filter screen 2 is located at the inlet end of the gas pipeline 1.

[0021] In combination with the drawings Figure 1 Also include stop valve, the stop valve includes first stop valve 3 located in front of the pressure buffer tank 4 and second stop valve 6 located between the buffer tank 4 and the electric regulating valve 7, and third stop valve 10 located behind the electric regulating valve 7.

[0022] Further, the control module 8 is PLC programmable logic controller.

[0023] The utility model discloses a gas pipeline 1 pressure stabilizing device, through the integration pressure buffer tank 4 and electric regulating valve 7, this device can effectively absorb and release pressure fluctuation in the gas flow process, and according to the first pressure sensor 5 and second pressure sensor 9 data of real-time monitoring, by PLC programmable logic controller accurate regulation gas flow, ensure that the pressure in the pipeline maintains in the preset range. The device is also equipped with filter screen 2 to block the impurities in the gas, protect the system from damage, and multiple stop valves are provided to quickly shut off the gas supply in an emergency, enhancing the reliability and safety of the system.

[0024] The utility model provides a kind of gas pipeline 1 pressure stabilizing device, by integrating pressure buffer tank 4 and electric regulating valve 7, this device can effectively absorb and release pressure fluctuation in the gas flow process, and according to the first pressure sensor 5 and second pressure sensor 9 data of real-time monitoring, by PLC programmable logic controller accurate regulation gas flow, ensure that the pressure in the pipeline maintains in the preset range. The device is also equipped with filter screen 2 to block the impurities in the gas, protect the system from damage, and multiple stop valves are provided to quickly shut off the gas supply in an emergency, enhancing the reliability and safety of the system.

[0025] The above describes the utility model and its implementation, which is not restrictive, and the drawings shown are only one of the embodiments of the utility model, and the actual structure is not limited thereto. In general, if a person skilled in the art is inspired, without departing from the utility model, without creative design, similar structure and examples of the technical solution can be designed, which should belong to the protection scope of the utility model.

Claims

1. A gas pipeline pressure stabilizing device, comprising a gas pipeline, characterized in that: The gas pipeline is sealed with a pressure buffer tank and an electric regulating valve in the middle via a flange. A pressure gauge is installed on the top of the pressure buffer tank. The electric regulating valve is located behind the pressure buffer tank. A first pressure sensor and a second pressure sensor are respectively installed on both sides of the electric regulating valve. A control module is fixedly connected to the electric regulating valve. The control module is electrically connected to the electric regulating valve, the first pressure sensor, and the second pressure sensor.

2. The gas pipeline pressure stabilizing device according to claim 1, characterized in that: The pressure buffer tank is provided with a pressure relief valve electrically connected to the control module in the middle of its side, and a drain valve is provided at the bottom of the buffer tank.

3. The gas pipeline pressure stabilizing device according to claim 1, characterized in that: It also includes a filter screen, which is located at the inlet end of the gas pipeline.

4. A gas pipeline pressure stabilizing device according to claim 1, characterized in that: It also includes shut-off valves, which include a first shut-off valve located in front of the pressure buffer tank, a second shut-off valve located between the buffer tank and the electric regulating valve, and a third shut-off valve located behind the electric regulating valve.

5. A gas pipeline pressure stabilizing device according to claim 1, characterized in that: The control module is a PLC (Programmable Logic Controller).