石油化工泵用机械密封的选择

44420078PROCESSEQUIPMENT&PIPINGVol144No14Aug12007(,257061):,;,,:;;:TQ051.21:B:100923281(2007)0420048202SelectionofMechanicalSealUsedinPetrochemicalPumpsLiuJunfeng(SandongShidaScienceandTechnologyGroupCo.,Ltd257061)AbstractMechanicalsealplaysanimportantroleinpetrochemicalindustry.Theoccurrenceofleakinsealwillnotonlypollutetheenvironment,butwillalsomakefireaccidentspossibly.Selectionofsealwillaffecttheusagelifeofsealingreatdegree.Toenhancetheusagereliabilityofseals,theselectionofmechanicalsealusedinpetrochemicalpumpcancarriedoutonthebasisoftheanalysisfromtherespectsofsealstructure,materialandcleaning.Keywordsmechanicalseal,centrifugalpump,petrochemical:2006212221:(1979),,,,,,,,,1,(370400)YH2609,1.1,,2950r/min,25m/s,,1.2,,45,,,4251.3,,SiC2WC,YG62YG6,1.4API610,,0.070.1MPa11/mm/Lmin-148590.06760840.1085950.13951330.18,,:d100mm,0.22L/min;d100m,0.53L/min.,,,2.,,22.1(200);2.2WC2C:(1),;(2),;(3),;(4),,(-20200)2.3150;1503(1),(2)SiC2C(3)4,,[1].[M].:,2001.[2].[J].,1994(3):20224.94200781