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Pipeline air-tightness detection device and pipeline air-tightness detection method

A pipeline sealing and testing device technology, which is applied in fluid tightness testing, measuring devices, liquid tightness measurement using liquid/vacuum degree, etc. The effect of sealing test workload and improving work efficiency

Active Publication Date: 2021-10-22
NO 719 RES INST CHINA SHIPBUILDING IND
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The invention provides a pipeline tightness testing device and a pipeline tightness testing method, which are used to solve the problems of complicated pipeline sealing testing steps and low testing efficiency in the prior art, improve the working efficiency of the tightness testing, and reduce the sealing time. sex test workload

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Embodiment Construction

[0039] In order to make the purpose, technical solutions and advantages of the present invention clearer, the technical solutions in the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the present invention. Obviously, the described embodiments are part of the embodiments of the present invention , but not all examples. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0040] Combine below Figure 1-Figure 2 The pipeline airtightness detection device 1 and the pipeline airtightness detection method of the present invention will be described.

[0041] When measuring the tightness of the pipeline, the pipeline 17 to be tested generally has a sealed end, and a valve or a sealing mechanism is arranged at this end, and the other end is an open end, which is use...

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Abstract

The invention provides a pipeline air-tightness detection device and a pipeline air-tightness detection method. The pipeline air-tightness detection device comprises a mounting base; an air bag which is provided with a connecting end arranged in the mounting base and a measuring end protruding out of the mounting base and used for stretching into a pipeline to be measured, and is provided with an inflation inlet; a hydraulic injection structure which is arranged at the two opposite ends, in the length direction, of the air bag in a penetrating mode and connected with the air bag in a sealing mode, and is provided with an input end and an output end which is arranged close to the measuring end and used for filling the pipeline to be measured with fluid; and a pressure detector which is arranged on the hydraulic injection structure and is used for detecting the pressure of fluid in the hydraulic injection structure. According to the pipeline air-tightness detection device and the pipeline air-tightness detection method provided by the invention, the air-tightness test working efficiency is improved, and the air-tightness test workload is also reduced.

Description

technical field [0001] The invention relates to the technical field of pipeline airtightness detection equipment, in particular to a pipeline airtightness detection device and a pipeline airtightness detection method. Background technique [0002] In the various stages of valve installation, testing and repair, it is often necessary to conduct a sealing test. The current sealing test generally uses a blind flange or buckle tank type for pressure, and the blind flange with a water pressure inlet and the inlet pipe of the tested valve are used Assemble the flange or use a pressure test tank to butt-weld the inlet pipe of the valve under test, and then add water pressure through the water pressure injection port for pressure test. However, it is necessary to install and disassemble the blind flange when using the blind flange pressure test type to conduct the airtightness test; to conduct the airtightness test by using the buckle tank pressure test type requires a lot of pre-pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M3/28
CPCG01M3/2815
Inventor 劳星胜柳勇赵振兴代路戴春辉李少丹张克龙马灿杨小虎陈列宋苹
Owner NO 719 RES INST CHINA SHIPBUILDING IND
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