基于VSP2进行热失控反应泄放装置安全可靠性分析与评估  

Reliability Analyzing and Rating of Relief Devices for Reactors with Exothermic Runaway Potential by Using VSP2

作　　者：刘显凡[1] 孟庭宇[2] 喻健良[1] 谢传欣[2] 

机构地区：[1]大连理工大学化工学院,辽宁大连116012 [2]中国石化安全工程研究院化学品安全控制国家重点实验室,山东青岛266071

出　　处：《高校化学工程学报》2010年第6期1046-1051,共6页Journal of Chemical Engineering of Chinese Universities

摘　　要：为了对存在热失控危险的反应器的安全泄放装置安全可靠性进行分析和评估,利用从美国购置的用于泄放基础实验测试的VSP2(Vent Sizing Package 2)装置,针对不同的危险场景,对苯法制己内酰胺组合工艺中重排反应器的热失控反应过程进行了实验测试,筛选出最危险场景。在获得重排反应热失控基础数据条件下,对安全泄放量(W)和泄放装置泄放能力(G)进行了计算,进而获得最小安全泄放面积。研究表明:重排反应过程是个强放热过程,存在较大的热失控风险;利用VSP2可为存在热失控危险反应的安全泄放设计提供基础实验数据,进而对安全泄放装置设计、选型或安全可靠性分析和评估提供技术支持。In order to analyze and rate the reliability of the relief devices of reactors having exothermic runaway potential,the VSP2（Vent Sizing Package 2） adiabatic calorimeter purchased from America,which is a bench-scale experimental apparatus for the fundamental survey of emergency relief,was employed to screen out the worst scenario from all the possible scenarios of the rearrangement reactor used in the benzene-based hexanolactam synthesis.Studies show that the rearrangement reaction of hexanolactam synthesis is an intensive exothermic process having great exothermic runaway risk;therefore,using VSP2,the exothermic runaway procedure of the rearrangement reactor was tested experimentally.Based on the obtained calorimetric data of runaway reaction,the safe relief rate（W） and the flow capacity of the relief system（G） were calculated respectively,thus determining the required relief area.It shows that the VSP2 can be used to supply the basic experimental data,and then to provide the technical support for the design,selection or reliability analysis and rating of the pressure relief system and device of the reaction having exothermic runaway potential.

关 键 词：安全泄放 热失控反应 VSP2 泄放面积 

分 类 号：X933[环境科学与工程—安全科学]