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System and method for testing local resistance loss coefficient of flame arrester

A technology of local resistance and loss coefficient, which is applied in the testing of machines/structural components, testing of mechanical components, instruments, etc., and can solve problems such as the inability to measure local resistance loss and data errors of test gases

Inactive Publication Date: 2020-05-15
CHINA UNIV OF MINING & TECH +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, these patents are only experimented and tested for a specific performance of the flame arrester, and it is impossible to measure the local resistance loss caused by the test gas passing through the flame arrester, and the operation methods during the experiment have certain deficiencies, resulting in the measured The data has certain errors

Method used

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  • System and method for testing local resistance loss coefficient of flame arrester
  • System and method for testing local resistance loss coefficient of flame arrester
  • System and method for testing local resistance loss coefficient of flame arrester

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Embodiment Construction

[0049] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0050] A test system for the local resistance loss coefficient of a flame arrester according to the present invention includes a mechanical structure unit and an electronic control data acquisition unit; the mechanical structure unit includes a fan 1, an air storage tank 2, a pipeline on-off valve 31, a flow regulator Valve 32, flame arrester 6, brackets 101, 102, test pipes 91, 92, 93, 94, 95 with the same diameter, unprotected side temperature sensor 111, protected side temperature sensor 112; the electronic control data acquisition unit includes unprotected Side flow meter 41, protection side flow meter 42, unprotected side pressure sensor 51, protection side pressure sensor 52, communication module 7, data processing server 8, gas tank positive and negative pressure gauge 12, network cable 13, signal shielding line 14;

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Abstract

The invention discloses a system and a method for testing a local resistance loss coefficient of a flame arrester. The invention belongs to the technical field of flame spreading blocking in the petrochemical industry, and particularly relates to a monitoring and testing device for realizing changes of pressure, temperature and flow of experimental gas in pipelines at the front end and the rear end of a flame arrester and a calculation method of a local resistance loss coefficient comprehensively considering the pressure, the temperature and the flow in a flowing process of compressible gas ina test pipeline. The device comprises a mechanical structure unit and an electric control data acquisition unit, can correctly measure local resistance loss data caused by the flame arrester, and ishelpful for improving the reliability of the flame arrester in the using process and perfecting a corresponding theoretical system and technical specifications in flame arrester testing to a certain extent.

Description

technical field [0001] The invention belongs to the technical field of blocking flame spread in the petrochemical industry, and in particular relates to a test system and method for the local resistance loss coefficient of a flame arrester. Background technique [0002] Flame arresters can be used to prevent flammable and explosive gas or liquid vapor flames from spreading in industrial equipment pipelines, and play an important role in petrochemical, natural gas and other enterprises. In order to ensure the flame-retardant and explosion-proof performance of the flame arrester and ensure safe production, it is particularly important to correctly measure the specification parameters of the flame arrester, especially the local resistance loss data caused by the flame arrester. However, there is still a large gap in the professional experimental equipment and testing system for flame arrester performance testing in China. The relatively complete theoretical system, technical sp...

Claims

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Application Information

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IPC IPC(8): G01M13/00G01D21/02
CPCG01D21/02G01M13/00
Inventor 李贝贝郑金磊蒋子奕刘秀梅李伟刘利利舒远
Owner CHINA UNIV OF MINING & TECH
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