危险源不安全隐患的定量评估

运用系统安全工程的原理建立了对重大事故隐患进行评估的数学模型,介绍了评估方程及其各参数的意义和取值方法,即危险源系统现实危险度H主要与火炸药的危险指数W_B,系统固有危险度B和未受控系数K有关,也与系统外安全距离不足的建筑物或设施受危险源爆炸事故影响的严重程度C有关,给出了对评估结果的评判方法,从而可以划分出危险源的危险等级和整改等级。

Quantitative Evaluation of the Accident Cause Factor Dangerous Serious

There exist immense combustion and explosion hazards in propellant, explosive and ammunition enterprises. Therefore, it is of much significance to evaluate the hidden danger of serious accidents in such enterprises. The paper points out a way of establishing a mathematical model for the quantitative evaluation according to principles of system safety engineering, and an evaluation equation is proposed. The meanings and methods of calculation for various factors are discussed. The degree of actual hazard (DAH) for dangerous sources, H, is determined by the following factors, namely: the hazard index of propellants and explosives, WB; the intrinsic danger of the system, B; the coefficient reflecting uncontrolled aspects involving hidden danger, K; and the degree of seriousness of damage, C, of buildings and installations located of insufficient safety distances away from the system that might be endangered by explosion accidents of dangerous sources. Classification of the hazards from dangerous sources and grading of suggested improvements and reorganizations can thus be judged according to the results evaluation.