Citation

Zhang P, Fan C, Chen X. China Saf. Sci. J. 2020; 30(3): 129-136.

Copyright

(Copyright © 2020, China Occupational Safety and Health Association, Publisher Gai Xue bao)

DOI

10.16265/j.cnki.issn1003-3033.2020.03.020

PMID

unavailable

Abstract

In order to reduce accident risks in oil and gas gathering and transportation stations, situation of these stations is studied by using risk matrix superposition technology. Firstly, damage degree of hazard sources was analyzed based on boiling liquid extended vapor explosion (BLEVE) model and revised overpressure criteria, and damage areas of death zone, severe injury zone, light injury zone and safety zone were determined. Secondly, death probability matrix of each danger source was constructed by introducing Cartesian distance matrix and grid division technology, and regional grid risk matrix was obtained through equipment risk value and superposition principle of danger sources. Then, regional risk level map of station was drawn using risk classification principles modified by British welding society (TWI). Finally, with an oilfield gathering and transportation station in Xinjiang as example, acceptability of regional risk was quantified by determining its personal risk acceptability criteria. The results show that personal risk matrix analysis method can clarify security risk situation at various locations within station and improve its safety management. © 2020 China Safety Science Journal. All rights reserved.

Language: zh