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Anti-overpressure-explosion natural gas pipeline

A natural gas pipeline, anti-overpressure technology, applied in pipeline systems, pipes, pipe components, etc., can solve problems such as inability to accurately relieve pressure, low spring control accuracy, and inability to determine continued transportation of branch pipes, reducing construction area, Accurate timing of pressure relief and the effect of reducing pressure

Inactive Publication Date: 2017-05-31
CHENGDU TIAN HANG ZHI HONG IP MANAGEMENT CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The above-mentioned prior art uses springs to judge the timing of pressure release, and the material leading to the branch pipe cannot be determined whether it can continue to be transported
The spring control precision is low, and the pressure cannot be released accurately

Method used

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  • Anti-overpressure-explosion natural gas pipeline

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] An anti-overpressure explosion natural gas pipeline, comprising a main pipeline 1, and a plurality of branch pipelines 2 are also arranged on the main pipeline 1; the inlet end 201 and the outlet end 202 of the branch pipeline 2 are connected to the main pipeline 1; The branch pipeline 2 is arc-shaped; the inlet port 201 and the outlet port 202 are provided with a solenoid valve 3 for controlling the switch of the inlet port 201 and the outlet port 202; the inside of the main pipeline 1 is provided with a pressure sensor 4; the pressure The sensor 4 is located on the same side of the branch pipe 2; the pressure sensor 4 is connected to the solenoid valve 3; and the branch pipe 2 is located on the same plane.

[0027] The present invention uses the pressure sensor 4 to detect the gas concentration in the main pipeline 1. When the gas concentration exceeds the warning line, the electromagnetic valve 3 is opened, and the natural gas in the main pipeline 1 is diverted and di...

Embodiment 2

[0029] An anti-overpressure explosion natural gas pipeline, comprising a main pipeline 1, and a plurality of branch pipelines 2 are also arranged on the main pipeline 1; the inlet end 201 and the outlet end 202 of the branch pipeline 2 are connected to the main pipeline 1; The branch pipeline 2 is arc-shaped; the inlet port 201 and the outlet port 202 are provided with a solenoid valve 3 for controlling the switch of the inlet port 201 and the outlet port 202; the inside of the main pipeline 1 is provided with a pressure sensor 4; the pressure The sensor 4 is located on the same side of the branch pipe 2; the pressure sensor 4 is connected to the solenoid valve 3; and the branch pipe 2 is located on the same plane.

[0030] A pressure relief chamber 5 is provided near the outlet end 202 of the branch pipe 2; the pressure relief chamber 5 is spherical in shape;

[0031] The present invention uses the pressure sensor 4 to detect the gas concentration in the main pipeline 1. When...

Embodiment 3

[0034] An anti-overpressure explosion natural gas pipeline, comprising a main pipeline 1, and a plurality of branch pipelines 2 are also arranged on the main pipeline 1; the inlet end 201 and the outlet end 202 of the branch pipeline 2 are connected to the main pipeline 1; The branch pipeline 2 is arc-shaped; the inlet port 201 and the outlet port 202 are provided with a solenoid valve 3 for controlling the switch of the inlet port 201 and the outlet port 202; the inside of the main pipeline 1 is provided with a pressure sensor 4; the pressure The sensor 4 is located on the same side of the branch pipe 2; the pressure sensor 4 is connected to the solenoid valve 3; and the branch pipe 2 is located on the same plane.

[0035] A pressure relief chamber 5 is provided near the outlet end 202 of the branch pipe 2; the pressure relief chamber 5 is spherical in shape;

[0036] The diameter of the branch pipeline 2 is greater than or equal to the diameter of the main pipeline 1 .

[0...

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Abstract

The invention discloses an anti-overpressure-explosion natural gas pipeline which comprises a main pipeline. The main pipeline is further provided with a plurality of branch pipelines. The inlet ends and the outlet ends of the branch pipelines are all connected to the main pipeline. The branch pipelines are in a circular arc shape. The inlet ends and the outlet ends of the branch pipes are provided with magnetic valves for controlling opening and closing of the inlet ends and the outlet ends. Pressure sensors are arranged inside the main pipeline, located on the same side of the branch pipelines and connected with the magnetic valves. The branch pipelines are located on the same plane. The gas concentration in the main pipeline is detected through the pressure sensors, when the gas concentration exceeds the warning line, the magnetic valves are opened, and distributed pressure relief is conducted on natural gas in the main pipeline through the branch pipelines arranged on the main pipeline. The branch pipelines are in the circular arc shape, and accordingly pressure can be effectively relieved. By applying the pressure sensors to detect the concentration, the detection precision is high, and the pressure relief occasion is precise. Natural gas flowing through the branch pipelines can be transmitted continuously.

Description

technical field [0001] The invention belongs to the technical field of pipelines, in particular to an overpressure explosion-proof natural pipeline. Background technique [0002] There are many dangerous factors in pipelines, among which overpressure explosion in pipelines is a common one. The overpressure explosion in the pipeline is related to the operation error or abnormal reaction of the reaction vessel. The failure of the cooling medium delivery pipeline will lead to insufficient supply of cooling medium or the middle section, which will cause the production system to overheat. The vicious cycle of overpressure eventually leads to overpressure explosion accidents in equipment and pipelines. [0003] Pipelines that continuously discharge fluids, especially process pipelines that discharge gaseous materials, will cause the boredom in the pipelines to fail to be discharged in time due to factors such as the reduction of conveying speed, resulting in overpressure explosio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L41/00F16L41/16F16L55/00F17D5/00
CPCF16L41/008F16L41/16F16L55/00F17D5/005
Inventor 何娟
Owner CHENGDU TIAN HANG ZHI HONG IP MANAGEMENT CO LTD
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