基于FTA的尿素热解脱硝系统可靠性分析  

A RESEARCH OF SYSTEM RELIABILITY OF SCR UREA PYROLYSIS BASED ON FTA

作　　者：张红星 王伟 沈凯[2] 李勇前 叶炬 

机构地区：[1]江苏苏美达成套设备工程有限公司,南京210018 [2]东南大学能源与环境学院,南京210018

出　　处：《环境工程》2013年第4期85-89,共5页Environmental Engineering

基　　金：国家863计划资助项目(2007AA061802)

摘　　要：为提高尿素热解脱硝系统可靠性水平,通过分析系统组成和各种可能的失效情况,以尿素热解脱硝系统不能正常工作为顶事件建立了故障树,对其进行定性分析,求取了故障树的最小割集。同时在此基础上分析了各个基本事件的结构重要度,明确了导致尿素热解脱硝系统失效的主要影响因素,并对其相应的解决措施进行了探讨。In order to improve the system reliability of SCR urea pyrolysis,fault tree which considers system can＇t work properly as the top event was built by analyzing structure and all kinds of possible failure situation.Through qualitative analyzing,minimum cut sets of the fault tree were got.At the same time on the basis of analysis of the various events of the basic structural importance,the main influence factors leading to SCR urea pyrolysis system＇s failure were clear.And the corresponding solutions were also discussed.

关 键 词：FTA 尿素热解 可靠性分析 失效 

分 类 号：X701[环境科学与工程—环境工程]