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Sampling system for immediately and efficiently collecting substances in inner cavity of pipeline

A sampling system and high-efficiency collection technology, applied in sampling, sampling devices, instruments, etc., can solve problems such as slow pressure relief process

Active Publication Date: 2020-11-20
UNIV OF SCI & TECH BEIJING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

A high rate of pressure rise means that only a short time interval is available to complete the pressure relief Conversely, a low pressure rise rate allows the pressure relief process to proceed more slowly

Method used

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  • Sampling system for immediately and efficiently collecting substances in inner cavity of pipeline
  • Sampling system for immediately and efficiently collecting substances in inner cavity of pipeline

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Embodiment Construction

[0015] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.

[0016] The invention provides a sampling system for timely and efficiently collecting materials in the inner cavity of a pipeline.

[0017] Such as figure 1 As shown, the system includes a high-pressure ignition system 2, a detonation tube 3 and a sampler. The left side of the detonation tube 3 is a premixed gas inlet 1, and a high-pressure ignition system 2 is set at the premixed gas inlet 1. The premixed gas passes through the detonation Tube 3, the opening below the end of the detonation tube 3 is equipped with a sampler, such as figure 2 As shown, the sampler includes an air nozzle 5, an explosion-venting membrane 6, a converter 7, a valve 10, a joint 9, a gasket 11, a piston cylinder 12, a pull rod 13 and a handle 15, and the explosion-venting mem...

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Abstract

The invention provides a sampling system for immediately and efficiently collecting substances in an inner cavity of a pipeline, and belongs to the technical field of pipeline inner cavity substance sampling. The system comprises a high-pressure ignition system, a detonation tube and a sampler, a premixed gas inlet is formed in the left side of the detonation tube, the high-pressure ignition system is arranged at the premixed gas inlet, premixed gas passes through the detonation tube, the sampler is installed at an opening below the tail end of the detonation tube, and an explosion venting film is arranged in the sampler. The system can carry out pressure relief through the explosion venting film to reach the sampling frequency and collect released gas.

Description

technical field [0001] The invention relates to the technical field of material sampling in the inner cavity of a pipeline, in particular to a sampling system for instantly and efficiently collecting material in the inner cavity of a pipeline. Background technique [0002] Combustible gas explosion accidents are one of the main forms of explosion disasters in the fields of industrial production and life. At present, factories across the country produce a large amount of flammable gas every year. Once the flammable gas encounters an ignition source, it will explode, causing a large number of casualties and property losses. In order to prevent the occurrence of explosion and reduce the loss caused by explosion, it is necessary to take measures of explosion prevention and explosion suppression. Explosion protection methods mainly include anti-explosion, explosion-proof, explosion-venting, and explosion-suppression. [0003] Explosion venting technology is an effective disaste...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/24
CPCG01N1/2226G01N2001/2238
Inventor 赵焕娟林敏张英华牛淑贞黄志安白智明张志博周正青严屹然董士铭
Owner UNIV OF SCI & TECH BEIJING