寒区沼气发酵地源热泵增温系统的初步研究陈泽兴

150030、。33h。。S216．2A1003－188X201103－0219－040、。。±2℃。±1．5～2℃1。±3℃±5℃2。。、、。11．11。、[e-mail]。[e-mail]。。、、。。、、、。。、、。。1．2。。、。。235±2℃。700m3630m3。30m3230m3。2．1QL0℃·912·201133DOI:10.13427/j.cnki.njyi.2011.03.0260℃35℃。QLQL=ρVCΔt1ρ1000kg/m3VV=30m3/dC4．2kJ/kg·℃3ΔtΔt=35℃。1QL=51kW。1．2．3．4．5．6．7．8．9．10．11．12．13．14．1Fig．1Thechartofgroundwater－sourceheatpumpheatingsystem2．2QF2。2Fig．2Thestructureofanaerobicfermentationreactor。δ51mm。QF1QF1=Htw－ff÷12πλ1lnd1+2δ1d1+12πλ2lnd1+2δ1+δ2d1+2δ1+1hfπd1+2δ1+δ2{}2HH=6mtwtw=35℃tftf=－23℃4λ12．05W/m·K5λ20．047W/m·K6hf23．2W/m·K7d1d1=12．22mδ1δ1=8mmδ2δ2=150mm。2QF1=4．179kW。QF2QF2=tw－tTδ3λ3+δ4λ4·πd2143tT0．6m－4℃8δ3C30δ3=500mmδ4C15δ4=100mmλ3C301．51W/m·Kλ4C151．28W/m·K4。3QF2=11．20kW。QF=QF1+QF2=15．379kW。Q=QL+QF·022·201133=66．379kW。1LSH65S72kW。3201012421－2010126633h1。1Tab．1Testdateofgroundvater－sourceheatfumpheatingsystem/℃/℃/m3·h－1/℃/℃/W/℃/℃2010012421002200230024005555222210．810．810．810．8373737373434343410663．410797．611027．110985．834．534．534．534．5－14－13－13－920100125100200300400500600700800110012001400150016001700200022002300555555555554555552222222222222222210．810．810．810．810．810．810．810．810．810．810．810．810．810．810．810．810．83737373737373737383837373738383838343434343434343434343434343434343410944．511163．510971．010971．010903．210891．511029．010934．4104049805．68547．09419．210342．48340．88972．68793．510547．234．534．534．534．534．534．534．534．534．534．534．534．534．534．534．534．534．5－9－9－9．5－9．8－11．1－12－13－13－12－11．5－13－14．5－16－17－17－18－242010012610020030040050060055545522222210．810．810．810．810．810．83737383838383435353535359439．2952286528776．89165．38777．634．534．534．534．534．534．5－23－27－25－27－26－254．93210．837．3734．1910029．234．5－15．98Qd=VdρdCdΔtd=36．8kWVdVd=10．8m3/hρdρd=1000kg/m3CdCd=4．2kJ/kg·℃Δtd。10．0kW0．757．5kWQh=44．3kW。33h5262840kJ。ε=44．37．5=5．91－9～－27℃38℃35±0．5℃。·122·20113344．19ε=5．9。QdQh=0．830783．1%16．9%。4．21188000kJ。Brby=11880007000×4．1868η1η2=150kg。η1η1=0．3η2η2=0．970001kgkcal4．18681kcal=4．1868kJ。33hB=52628407000×4．1868η'1η'2=270kgη'1η'1=0．7η'2η2=0．95。33hΔB=B－Brby=120kgΔBB=120270=44．44%535±0．5℃。44%。1．M．2004．2．M．2008115－116．3．J．200927334－3539．4．K．1987．5．EB/OL．2010－01－04．http//．naimo．cn．6．M．2008．7．M．1994．8．Z．1973．9．J．19989141－42．PreliminaryStudyofOperationParametersforGroundHeatPumpHeatingSystemofBiogasFermentationinAlpineRegionChenZexingLiuJianyuLiWentaoCollegeofEngineeringNortheastAgricultureUniversityHarbin150030ChinaAbstractThisresearchwastostudytheheatingsystemoflarge－scalebiogasprojectinLanlingvillageJixiHei-longjiangProvince．Accordingtotheheatemissioncalculationofmixingpoolandanaerobicfermentationreactortheheat-ingloadofheatingsystemwasidentifiedandthegroundwater－sourceheatpumpwasmatched．33－hourperiodtestandcorrespondinganalysisofheatingsystemwasconducted．Thetestresultspointedoutthattheheatingsystemgroundwater－sourceheatpumpsystemofbiogasprojectcanmakesurethatthebiogasprojectrunwellincoldwinterandhighener-gyefficiencyofheatingsystemwaswellreflected．Keywordsgroundwater－sourceheatpumpbiogasanaerobicfermentationheatingload·222·201133