四川理工学院毕业设计(论文)压力容器的伤害后果分析析及安全泄压装置设计学生：李燕青学号：06031040137专业：安全工程班级：安全工程2006.1指导教师：熊中平四川理工学院材料与化学工程学院二〇一〇年六月压力容器的伤害后果分析及安全泄压装置设计摘要压力容器是化工生产的主要设备之一，是一类具有潜在爆炸危险的特种设备，一旦发生爆炸事故将造成严重的后果。本设计以液化石油气储罐破裂爆炸发生的事故为例，通过对压力容器爆破时爆炸能量、爆炸冲击破、冲击破影响半径、冲击波损害半径的计算来进行事故伤害后果分析，通过对安全泄压装置的设置、工艺计算、安装及注意事项等内容来进行安全泄压装置设计。本设计可用于相关的事故分析和后果研究，也可用于压力容器爆炸能量的计算和爆炸后果破坏情况的预测，对工业生产和防护有一定的指导作用。关键词：压力容器；事故分析；泄压装置；设计ConsequenceAnalysisofPressureVessel'sinjuryandDesignofSafePressure-reliefDeviceAbstractPressurevesselsisoneofthemainequipmentinChemicalproductionandaseriesofpotentiallyexplosivespecialequipment.Asaspecialequipment,itexistspotentialdanger,whichwillcauseseriousconsequencesoncehappeningexplosionaccidents.TakeingtheLPGtanksruptureexplosionaccidentforexample,thisdesignanalyzestheconsequencesofaccidentinjuriesbycalculatingtheexplosionenergyofpressurevessel,blastwave,destructionrangeandthedamageradius.ThroughsettinguptheprincipleoftheSafereliefdevice,technicalcalculation,installationandannouncementstodesignofsafereliefpressuredevice.Thisdesignnotonlycanbeusedforrelatedanalysisandconsequencesforaccidents,butalsocanbeusedforpressurevesselexplosionenergycomputationandblastdamageprediction,itjustlikeaguideforindustrialproductionandprotection.Keywords:pressurevessels,accidentanalysis,pressure-reliefdevice,design目录1绪论............................................................................................................11.1压力容器的概念.......................................................................................11.2压力容器的分类.......................................................................................11.3压力容器的用途.......................................................................................21.4压力容器的操作条件.................................................................................21.5压力容器爆炸事故及危害...........................................................................31.6安全泄压装置的概念及作用........................................................................51.7安全泄压装置的类型.................................................................................51.8设计概况................................................................................................62压力容器的伤害后果分析........................................................................82.1压力容器的爆破能量.................................................................................82.1.1物理爆炸能量.................................................................................82.1.2化学爆炸能量.................................................................................92.2压力容器爆破时冲击波超压的计算..............................................................102.3冲击波影响范围......................................................................................112.4蒸气云爆炸的冲击波损害半径....................................................................123安全泄压装置设计......................