600S75型双吸单级离心泵设计.doc

(完整word版)600S75型双吸单级离心泵设计(完整word版)600S75型双吸单级离心泵设计PAGE\*MERGEFORMATiv(完整word版)600S75型双吸单级离心泵设计600S—75型双吸单级离心泵设计摘要：本文主要介绍了600S-75型双吸单级离心泵的设计计算过程.主要包括离心泵的整体结构设计、水力设计计算、压水室的设计计算、吸水室的设计计算及主要零部件的校核。本设计中的离心泵是具有一个叶轮的双支撑中开式离心泵.该离心泵具有经过优化设计的双吸式叶轮，从而使离心泵所受轴向力大为减小。叶轮叶片的叶型具有良好的水力性能,具有较好的抗汽蚀性能和较高的工作效率。该离心泵采用了螺旋形压水室,泵腔中的水流量轴对称,水力性能良好，具有相对较小的水力损失.吸水室采用了半螺旋形结构，该结构吸水室的截面均分布，叶轮进口流速均匀。该离心泵具有结构简单，稳定性良好，便于安装及拆卸检修等一系列优点，并且加装有自吸装置,可以在不安装底阀，没有真空泵，不倒灌的情况下，实现自动吸水，自行启动。关键词:双吸单级离心泵、叶轮、压水室、吸水室Thedesignof600S—75Single—stagedouble—suctionCentrifugalpumpsAbstract：Thispaperdescribesthedesignandcalculationprocessof600S-75single-stagedouble—suctioncentrifugalpump.Mainlyincludesthedesigncalculationsofoverallstructural,hydraulic,pressurizedwaterchamber,suctionchamberandthecheckingofthemaincomponents.Thepumpinthispaperisapumpwithdoublesupportstructureandonlyhasoneimpeller。Thecentrifugalpumphasthedoublesuctionimpellerwhichhasbeenoptimizationdesigned,sothatthecentrifugalpumpaxialforceisgreatlyreduced。Thehydraulicperformanceofthebladeprofileisgood,.sotheanti—cavitationperformanceandworkefficiencyofthepumparehigh。Thecentrifugalpumpadoptsthespiralpressurizedwaterchamber，thewaterflowaxisymmetriccavityofthepump，hydraulicperformanceisgoodandthehydrauliclossisrelativelysmall.TheSuctionchamberadoptsthesemispiralstructure，thecrosssectionofthestructureofsuctionchamberaredistributed，theimpellerinletvelocityuniformity。Thecentrifugalpumphastheadvantagesofsimplestructure，goodstability,aseriesofadvantagessuchasconvenientinstallationanddisassemblyandmaintenance。Theself—suctiondevicecanstartthepumpwithoutthevalve，vacuumpumpandsituation。Keywords:single-stagedouble-suctioncentrifugalpump,impeller,pressurizedwaterchamber,Suctionchamber.目录TOC\o"1-3”\h\z\uHYPERLINK\l"_Toc387436238”引言PAGEREF_Toc387436238\h1HYPERLINK\l”_Toc387436239”1。600S—75型双吸单级离心泵的主要设计参数PAGEREF_Toc387436239\h3HYPERLINK\l"_Toc387436240”2600S-75型单级双吸离心泵的结构设计PAGEREF_Toc387436240\h3HYPERLINK\l"_Toc387436241"2.1泵整体结构的设计4HYPERLINK\l”_Toc3