2012.355112(12018042730050);TH311A1000-3983(2012)03-0055-05ExperimentalStudyonSuper-Low-SpecificSpeedDiscalCentrifugalPumpsWANGZhewen1,SHIYong1,FANZonglin2(1.Shanghaikaiquanpump(group)Co.Ltd.,Shanghai201804,China;2.LanzhouUniversityofTechnology,Lanzhou730050,China)Abstract:Thepaperisanexperimentalstudyofakindofcentrifugalpumpwithholesonthediskinsuperlowspecificspeed.Itintroducesafewexperimentprojectsofimpellerwithholes,andanalyzesseveralcausationinperformanceaftercompareswithnormalsuperlowspecificspeedcentrifugalpump.Keywords:super-low-specificspeedcentrifugalpump;impellerwithholes;performancecurvens20[1]4mm——20[2,3]601—[4]12012.35611.1582[5]1234534558585~82PfleidererStodolaAnderson1.23123245645631.322.1Q=3.2m3/hH=20mn=1480r/minns=1783123455123462012.3577[6]1456245634564465556466457546KQL40/250-7.5/2D2B2KQL40/250-7.5/21-2-3-41-5-6-745Q-H3421Q-η243421Q-Pa1234Q-H5176Q-η51675167Q-Pa1567412342.2167Q=3.2m3/hH=20m1Q=3.2m3/hH=15.8mQ-H16161F2131673133Q-HQ-η16Q-HQ-η39%16Q-Pa13Q-ηQ-Pa13Q=9.2m3/h(3)Pa=1.1kW16C1.21515672.316161480r/min2960r/min8n=1480r/minQ=3.2m3/hH=20mn=2960r/minQ=6.4m3/hH=80mQ=6.4m3/hH=80mC11.7400.71.42.12.83.54.24.95.66.3Qm3/h1324n=1480r/min8060403020%18161412108642H/m2.42.11.81.51.20.90.60.3Pa/kW00.71.42.12.83.54.24.95.66.3Qm3/h1657n=1480r/min8060403020%18161412108642H/m2.42.11.81.51.20.90.60.3Pa/kW2012.358616713168162.420011226()3BQ=6.4m3/h23.39GB/T13007-9122.48Q=6.4m3/h27.254.773.8627.2[7]391.9Q=12m3/h991631Vu25~8n=1480r/min8060403020%00.71.42.12.83.54.24.95.66.37.07.78.49.19.8Q/(m3/h)16C18161412108642H/m2.42.11.81.51.20.90.60.3Pa/kWn=2960r/min8060403020/%01.53.04.56.07.59.010.512.013.5Q/(m3/h)81726354453627189403530252015105H/mPa/kW16Cn=2960r/min8060403020/%81726354453627189H/m403530252015105Pa/kW01.53.04.56.07.59.010.512.013.5Q/(m3/h)2012.35934KQL40/250-7.5/25345666457546456145614163a45645644565643456b4563q1q2q3W1W2W32441234[1],,.[J].,2000(28):36-37.[2].——[M].,1998.[3].[M].,2001.[4],,.[J].,2009(3):4-6.[5].[J].,2004(1):63-65.[6],,,.[J].,2006(2):21-24.[7]JunichiKurokawa.[J].,2001(3):8-11.[]2011-12-201964-1987