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ID:30843181
大小:389.11 KB
页数:18页
时间:2019-01-04
《液氯泄漏事故的危害性分析及后果模拟》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
1、液氯泄漏事故的危害性分析及后果模拟随着我国化学工业的快速发展,液氯的应用范围越来越广泛。液氯在生产、运输、储存过程中的数量也变得越来越多,随之而来的是大量液氯泄漏事故的发生。液氯泄漏事故发生后,在其扩散范围内存在着中毒、爆炸、腐蚀等危害,严重威胁着周围群众的生命及财产安全。另外,液氯泄漏事故的处置也是消防部队在应急救援行动中面临的一个重大难题。通过对液氯泄漏事故的后果进行模拟,以期指导消防部队在处置液氯泄漏事故时,迅速、有效、直观地对扩散危险区域做岀科学准确的预测,并以此为依据制定相应的应急救援措施,最大限度的减少液氯泄
2、漏事故造成的损失。本文在对液氯泄漏事故的危害进行定性分析的基础上;总结现有的液氯泄漏扩散机理和数值模拟方法,采用高斯烟羽模型计算液氯泄漏后有害毒气的扩散浓度,并依据毒物浓度-时间伤害准则对氯气扩散危害区域进行划分。最后运用此模型对一泄漏事故进行实例模拟,通过对模拟结果分析,证明高斯烟羽模拟结果具有一定的可靠性,能够为消防部队有效的执行应急救援提供科学的理论依据,从而提高消防部队的应急救援能力。关键词:液氯;泄漏;后果模拟;高斯烟羽模型AbstractWiththerapiddevelopmentofChina'schem
3、icalindustry,theapplicationofliquidChlorinehasbecomemoreandmoreextensivescope,andtheliquidChlorineintheproduction,transportation,intheprocessofstoragevolumehasalsobecomingmoreandmore・Consequently,alargenumberofliquidChlorineleakageaccidentshastakeplace.AstheChlor
4、ineleakageaccidenthasoccurred,ithasgreatthreatentothepeople'slivesandpropertyinaround・Becauseofithavethepoisoning,explosion,corrosionandotherhazardsintherangeofdiffuse.Inaddition,thedisposalofliquidChlorineleakageaccidentwasamajorproblemwhichwasthefireforcesshoul
5、dfacewithwhentheyattendtheemergencyrescueoperations.ThepaperthroughsimulatetheconsequencesofliquidChlorineleakageaccident,inordertoprovidethetechniqueguidanceforthefireforcesinthedisposalofliquidChlorineleakageaccidentquickly,effectivelyanddirectly.Andmakescienti
6、ficandaccurateriskpredictionforLeakageproliferationdangerzone.Asthisabasistodevelopappropriatecontingencyreliefmeasures,tominimizetheleakagelosses.ThisarticlesummarizestheexistingChlorineleakagediffusionmechanismandnumericalsimulationmethodsbasedonanalyzethedange
7、rsofliquidChlorineleakout.AndadopttheGaussianplumemodeltocalculateleakageofliquidChlorineconcentrationaftertheleakageofharmfulgas,anddividetheharmfulzoneofdiffuseofliquidChlorineaccordingtopoisonconcentration-timeinjurycriterion.Finally,theauthorusethismodeltosim
8、ulateaspillinstance,anditshowthattheGaussianplumesimulationisreliabilitythroughanalyzethesimulationresults.Itcanbeprovidingthetheoreticalbasisforfireforcestode
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