3、agedouble-suctioncentrifugalpump.Mainlyincludesthedesigncalculationsofoverallstructural,hydraulic,pressurizedwaterchamber,suctionchamberandthecheckingofthemaincomponents.Thepumpinthispaperis apumpwithdoublesupportstructureandonlyhasone impeller. The centrifugalpumphas the d
4、oublesuctionimpeller whichhasbeenoptimizationdesigned, sothatthe centrifugalpump axial force isgreatlyreduced.Thehydraulicperformance ofthebladeprofileisgood,.sotheanti-cavitation performanceandworkefficiencyofthepumparehigh.Thecentrifugalpumpadopts thespiralpressurized wat