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Pressure testing device for pipeline

A pressure test, pipeline technology, applied in the direction of measuring fluid pressure, using liquid/vacuum degree for liquid tightness measurement, measuring device, etc., can solve problems such as equipment damage and large economic losses

Inactive Publication Date: 2019-06-28
CHINA GENERAL NUCLEAR POWER OPERATION +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Based on this, it is necessary to address the problem that direct operation after the installation and connection of the existing pipeline process system may cause equipment damage, resulting in large economic losses, and provide a tool that can test the pipeline after the installation and connection of the pipeline process system. Pressure testing equipment for pipelines

Method used

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Embodiment Construction

[0051] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the associated drawings. Preferred embodiments of the invention are shown in the accompanying drawings. However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the understanding of the disclosure of the present invention more thorough and comprehensive.

[0052] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the invention. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention. As used herein, the term "or / and" includes any and all combinations of one or more of ...

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Abstract

The invention relates to a pressure testing device for a pipeline. The device comprises a connecting pipe, a pressure detector, a rough adjusting device, a fine adjusting device and a first control valve, wherein the connecting pipe is used for connecting the pipeline to be tested; the pressure detector is used for detecting the pressure in the connecting pipe; the rough pressure regulating deviceis used for conveying testing liquid to the connecting pipe and the pipeline to be tested in order to enable the connecting pipe and the pipeline to be tested to be full of liquid and keep the innerpressure at first preset pressure value; the fine pressure regulating device is used for conveying the testing liquid to the connecting pipe and the pipeline to be tested in order to enable the innerpressure of the connecting pipe to increase from the first preset pressure value to the second preset pressure value which is beyond the first preset pressure value; the first control valve is arranged at the connecting pipe and is used for opening and closing communication between the pipeline to be tested and the rough pressure regulating device as well as the communication between the pipelineto be tested and the fine adjusting device. The pressure testing device is wide in pressure regulating range, high in accuracy, and more intuitive in leaking condition observation.

Description

technical field [0001] The invention relates to the technical field of pipeline testing equipment, in particular to pressure testing equipment for pipelines. Background technique [0002] The pipeline process system is a commonly used transportation process at present. The pipeline refers to the pipeline connected with the pump, valve and control device, which is used to transport liquid, gas or powdery solid. Since the pipeline process system is used to transport substances, there will be a certain pressure in the pipeline when the system is running. If it is operated directly after the installation and connection of pipelines and other structures, especially for large-scale or important pipeline process systems, it may cause equipment damage, resulting in large economic losses. Contents of the invention [0003] Based on this, it is necessary to address the problem that direct operation after the installation and connection of the existing pipeline process system may ca...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01L19/00G01M3/28
Inventor 陈永伟邱河文包维文邹洪先索凌平薛震姜国辉李东谢永靖
Owner CHINA GENERAL NUCLEAR POWER OPERATION
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