地源热泵自流式供热水系统的应用研究温昌盛胡映宁林俊

530004。11m3/h4．23．8。TU822C1000－4602201401－0048－042010GXNSFA013022ApplicationofGravityHotWaterSystemBasedonGroundSourceHeatPumpWENChang-shengHUYing-ningLINJunCollegeofMechanicalEngineeringGuangxiUniversityNanning530004ChinaAbstractThedesignofagravityhotwatersystembasedongroundsourceheatpumpwasintro-duced．Theinfluenceofmediumflowratecirculationontheoperationofthegroundsourceheatpumpsystemwasevaluatedusingthesinglefactorexperimentmethod．Theoptimalflowratewas11m3/h．Thestabilityofthesystemduringcontinuousoperationwasanalyzedandtheenergyefficiencyratiosoftheu-nitsandthesystemwere4．2and3．8respectively．Basedontheefficiencytestingofthesystemthefea-sibilityandeconomicalefficiencyofgravityandmechanicalcirculationhotwatersystemswereanalyzedandcompared．Thegravityhotwatersystembasedongroundsourceheatpumpwasfoundtobemoresuitableformulti-storybuildings．Keywordsgroundsourceheatpumpgravitymechanicalcirculationcirculationmediumflowrateenergyefficiencyratio、、、、1～4。7。。122724h。532150040L60m3。·84·30120141CHINAWATEＲ＆WASTEWATEＲVol．30No．1Jan．20141。、UPPＲ25mm。3360mU30m112。1Fig．1Gravityhotwatersupplysystembasedongroundsourceheatpump120．7kW、87．2kW1#112kW、50．5kW2#。1900W190kPa19m1410W75kPa7．5m。203m314kW。6B。21651640L/·d20m3/d。150．5kW、12kW117kW、4kW14kW1410W38m3。UPPＲ25mm825m25m33。900W。6B2。1。1700—20002100—2400。。2Fig．2Mechanicalcirculationhotwatersupplysystembasedongroundsourceheatpump±0．3℃HI98501ChecktempC、DD862－4、、DT9256C、。21#、2#。1#。2.1、、11m3/h1．18m/sUDN500．6～1．22m/s。2.211m3/h4．74．2。·94·．watergasheat．com3012.33、412～21℃。、8h、3．4℃4．23．850℃。3Fig．3InfluenceofrunningtimeonEEＲofunitandwholesystem4Fig．4Influenceofrunningtimeonchilledwatertemperaturedifferenceandtemperatureofeffluenthotwater2.41#、6#12#50℃。38℃。38℃。38℃7720s110s38℃10s38℃772L13L1L70．1L/s10．3L/s。。2.550℃50℃7736s126s10s。750℃36s。2.638℃32d38℃。38℃5～8s6h38℃9～15s1d38℃10～20s。38℃。2.722203m3。。＜45℃·05·301．watergasheat．com＞50℃。2222℃50℃32m3/d33m3/d16%。9．1kW·h/m31．4kW·h/m3。33.16B6B22℃50℃17m3/d12m3/d11%。8．4kW·h/m31kW·h/m3。。3.238℃6B338℃6～9s。3.350℃6B105、305、60515～20s50℃。3.432m3/d6h、24h。0．7kW·h/m32224h6B6h。6B24h14kW18h72kW·h。203m316%10m3。。4①4．23．8。②24h。。1．J．200535231－34．2．J．2005351029－35．3．2008M．2008．4．J．2012281564－67．1982－。[e-mail]2013－07－12·15·．watergasheat．com301