FLUIDMACHINERYV01.40,No.2,2012文章编号:1005-0329(2012)02-0068一04某医院住院楼地源热泵热水系统性能测试与研究林俊。刘景升,胡映宁,汤宏群(广西大学,广西南宁530004)摘要:简单介绍了某医疗建筑的能耗情况和医院的工程概况,并对本医院的供热水系统——地源热泵系统的运行情况进行测试和性能研究,包括对机组冷冻水的进/出温度的测试、土壤换热器吸热效率的测试、机组的能效测试等,并分析冷冻水的进/出温度、流量及其他因素对系统能耗产生影响情况。并得出系统冷冻水流量在4.3—4.8k:g/s范围内为最佳流量段,此时土壤换热器的吸热效率较高,土壤换热器单位管长换热营在35.5w/m左右.机组的能效比值达4.0及以上,系统的能效比达3.7及以上;最后对本系统进行了节能计算及效益分析,可看出此系统节能效益非常可观。关键字:医疗建筑;热泵热水系统;节能效益中图分类号:TQ05I.5文献标识码:Adoi:i0.3969/j.issn.1005-0329.2012.02.015GroundSourceHeatPumpHotWaterSystemPerformanceTestingandResearchofNewInpatientBuildingofQinzhouaHospitalLINJun,LIUJing—sheng,HUYing·ning,TANGHong—qun,(GuangxiUniversity,Nanning530004)Abstract:Theenergysituationofmedicalbuildingandprojectprofileofthismedicalhospitalwasdescribed,andoperationandperformanceofgroundsourceheatpumphotwatersystemwasstudied,includingthechilledwaterinlet/outlettemperaturetests,endothermicefficiencyofsoilheatexchangertests.unitsofenergyefficiencytestsandSOon,andanalysisofchilledwaterinlet/outlettemperature,flow。inletandoutletwatertemperaturedifferenceorotherfactorsimpactonenergyconsumptionsituation,reachedthatthesystemchilledwaterflowratewithin4.3-4.8kg/sasbestoftheflowsection.atthispointthesoilheatex—changerabsorbsheatismoreefficient。heatexchangeofperpipelengthisaround35.5W/m,unitEERvaluereach4.0anda-hove,systemEERreach3.7andabove;finally。Onthebasisofcalculationresults.ananalysisonenergysavingpotentialandbenefitanalysisiscarriedout.andsoseethatenergyefficiencyofthissystemisveryimpressive.Keywords:medicalbuilding;heatpumphotwatersystem;energy—savingbenefit引言从20世纪80年代初期开始,能源问题就一直被世界所关注。在...