论文部分内容阅读
常规的危险与可操作性分析(HAZOP)进行危险因素分析时仅考虑生产系统中单工艺参数的“偏差原因-偏差-偏差后果(事故)”之间的对应关系,不能对复杂生产系统中多工艺参数偏差之间的相互影响关系及其与事故后果之间的关系进行分析。将向量理论应用到HAZOP分析中,提出了一种基于HAZOP的(关于多工艺参数的)向量链风险分析方法。在常规HAZOP分析的基础上构建向量图和向量链图,确定引发事故的各个向量链的风险值,并据此选择控制事故的最优策略。“某化工厂三氯丙酮车间”的应用实例说明,该方法表达了系统各偏差之间及其与事故之间的逻辑关系。根据计算得到的向量链风险值大小对向量链进行排序,选择重点向量链加以控制,可以有效提高系统的安全性。
Conventional Hazard Analysis and Haz- hasis (HAZOP) analysis of risk factors considers only the “deviation cause-deviation-deviation consequence (accident)” of the single-process parameters in the production system, The relationship among multi-process parameters deviation and its relationship with the accident consequences. The vector theory is applied to HAZOP analysis, and a vector chain risk analysis method based on HAZOP (about multiple process parameters) is proposed. Based on the conventional HAZOP analysis, vector graphs and vector chain diagrams are constructed to determine the risk value of each vector chain that causes the accident, and the optimal strategy for controlling the accident is selected accordingly. “A chemical plant trichloroacetone plant ” application example shows that the method of expression of the deviation between the system and its logical relationship with the accident. Sorting vector chains according to the calculated vector chain risk values and selecting the key vector chains to control them can effectively improve the security of the system.