安全阀的分类与故障分析

:100225855(2006)0320029203:(1959-),,,,,(,226003);;;;:TH134:BClassificationandFailureAnalysisofOrdinaryReliefValvesSHENGKun2xin,JIYong(HPINantongPowerPlant,Jiangsu,Nantong226003)Abstract:Classificationandinstallation&operationinstructionofthereliefvalvesareintroduced,andfailuresoffrequentoccurrenceanditscausesareanalysedinthispaper.Keywords:reliefvalve;classification;principle;failure;maintenance1,,,,,,2,211(1)(2)212(1)PN2145MPa(2)PN2149419MPa(3)PN519918MPa(4)PN11181417MPa(5)PN15171916MPa(6)PN2210MPa213(1)t-100(2)-100t40(3)-40t120(4)120t450(5)t450213(1)(2)(3)214(1)d1/40d1/20(2)d1/4(3)215(1)9220063()(2),216(1)(1)11213141516171811(2)(2)1121314151617181911011111211311411511611711811912012112212312412(3)(4)1123231O415161U718191101111121131141151161171181191201211221241251261271ab13112131415161718191101111211311411511611711811912012122123124125140320063(3)(5)1121314715161A5(4)(6)1121314151617181911011111211311411511611711816217(1),(2),3,GB/T12241-89()()B/T12242-89()GB/T12243-89()ZB-J98-013-89()DL612-1996()DL647-1998()API520/API526/API527()411,,,,,,,,()(),,,(),5,,,,,(:2006102128)1320063