卸灰球阀密封结构改进

:100225855(2009)0120041202:(1963-),,,,1,1,2(1.,431415;2.,432244),;;;:TH134:ASealingstructuralimprovementofdischargingashesballvalveCHENGZhi2hua1,JIANGMu2an1,GAOJie2(1.HubeiHighAndMiddlePressureValveCo.,Ltd,Wuhan431415China;2.WuhanGaoliThermalSprayEngineeringCo.,Ltd,Wuhan432244China)Abstract:Thispaperintroducedthestructurecharacteristic,workingprincipleandmaintechniquepa2rameter,it’swideprospectetc.Keywords:softandharddouble2sealingstructure;Seal2propelledpneumaticstructure;design;dischar2gingashes1,,,(11),352(1)(1)PN016MPa,019MPa,0166MPa,250,3,,,,,,,1,,,,,,1420091,11()WCB2STL32Cr1342Cr135WCB6WCB7892Cr13STL10111235#,,,4,,,,(2),,,,,112131STL41512(3),,,,,(4),,,,(a)(b)3,45(STL),STL,,,,,,1.M.:,1992.2,.:C.:,1990.3.Z.:,2006.(:2008111108)2420091