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Edition and Publication:
< Natural Gas and Oil > Editorial Department
Hosted by:
China Petroleum Engineering & Construction Corporation Southwest Company
Authorized by:
China Petroleum Engineering & Construction Corporation
Co-hosted by:
Overseas Research Center of Research Institute of Petroleum Exploration and Development
Editor in Chief:
Du Tonglin
Vice Editor in Chief:
Tang Xiaoyong,Pu Liming
Address:
No.6, Shenghua Road, High-tech District, Chengdu, Sichuan, China
Postal Code:
610041
Tel:
028-86014709
028-86014500
Email:
cnpc-ngo@cnpc.com.cn
Issue:ISSN 1006-5539
CN 51-1183/TE

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Difference Analysis on China and American Combustible Gas Detection and Alarm Systems Standards

Author of the article:Cai Liang

Author's Workplace： China National Aviation Fuel TSN-PEK Pipeline Transportation Corporation

Key Words：Combustible gas detector; Standard; Model selection; Alarm; Operation and maintenance

Abstract：Combustible gas detecting alarm system was an important facility for the safety of personnel and equipment in oil and gas station. In allusion to gas detection alarm system design, product parameters, construction and installation, testing and calibration, the domestic standards were relatively imperfect. Taking the newly-issued American standard ISA-60079-29-2 ( 12.13.02 ) -2012 Explosive Gas Atmosphere Part 29-2: Gas Detector - Selection, Installation, Using and Maintenance of Inflammable Gas and Oxygen Detector as an example, the paper introduced the advanced experience and recommended practice of American combustible gas detector from product selection, sensor redundancy design, setting position, alarm setting value, operation and maintenance and training. The advancement of ISA-60079-29-2-2012 included double or triplex redundancy design of remote control combustible gas detector, less than 20% LEL for first alarm setting value of combustible gas detector, alternative measures under combustible gas detector failure. Finally, the suggestion of adopting American standards to improve domestic combustible gas detection and alarm system standards was made.