:100225855(2006)0320037202:(1964-),,,,(,043304),,,;;;:TH134:BAlterationoflong2canisterdischarging2fluidvalveusedtodisparting2genustroughofaluminaTANGXi2ying(JinshanMechanicalPlantShanxiBranchofCHALCO,HeJin043304,China)Abstract:Structureofquondamlong2canisterdischarging2fluidvalveisanalysedandameliorated,anditsweightandcostislowered.Withthisthevalveislighterandmoreconomicandsatisfiestheusersrequirement.Keywords:long2canisterdischarging2fluidvalve;disparting2genustrough;cost;alteration1,,,16m,32m2,16,32,12m,,,,,,,,,,(1),,,,,,215MPa,,,,,,1121314151611221132m,,016MPa,,7320063110MPa215MPa,116MPa212250mm,215MPa,,(2),550kg258kg,1/2,,,,,,,,,,,,,,,(3)112131415121121314131(kg)550330171858715()7050427012004887001203,(1),550kg330kg,70504270,,(:2006102113)8320063