单机头和多机头螺杆式冷水机组技术性能比较

1)2)2)3)1)()2)()3)(),,Performancecomparisonbetweensingle2handpieceandmulti2handpiecescrewchillersShenXueming1)ZouGuofeng2)ZhouJinyu2)XuDeqiang3)1)(WuxiVocationalInstituteofCommercialTechnology)2)(LianyungangGuolianElectricApparatusCo.,Ltd.)3)(HuaihaiInstituteofTechnology)ABSTRACTTherearemanyvarietiesofscrewchillersincurrentmarketwiththeirownchar2acteristicsofsingle2handpieceandmulti2handpieceones.Analyzesandcomparesthefeaturesofthethesetwodifferenttypesforreference.KEYWORDSscrewchiller;single2handpiece;multi2handpiece;reliability,,,,,,,,,,,1,,11,,,200,,200400400,,(200),,,2(,,,):2005203226:,Email:[e-mail]6120062REFRIGERATIONANDAIR-CONDITIONING862881[1]/()YS54630HXY9530HXC99RTHD400YCWS90WHS107PFS81CUW54RCU54WCFX2B159WCFX2134a105,60%100%,,(),,50%90%50%,,,,,22,60%80%,2[1]/%/ton/kW/(kW/ton)/(kW/kW)1003412340.695.11903072040.665.25802731760.645.43702391500.635.57602051230.605.80501701040.615.7140136880.655.4330102760.754.69,,,,,,60%,0.6kW/ton,5.80,,,,50%,,,,,3,?ASHRAE199937.2,R=R1R2R3RnRn,33[2]99.90%99.90%246123/%99.7099.4099.10781:3,,,,,,,,,,,,,,4,,15%100%,,,,,,,,,,;,5,,,:500A,150A;300A,100A:=500A;=300A,=100+300=400A;,,,,,,,,6,,,;,,,,,:,(),,,;(),,,,7,,,(),,(),,,[1]WilliamRCokers,JamesAReese.DifferenceBetweenComplexandSimplex.ASHRAEJournal,2003.[2]Mechanicalmaintenance.ASHRAEApplication,1999,37(2).886