西安某洁净室干盘管—FFU空调系统设计方案对比分析

0、。、、、、、。。11.1(1)、。、、、、。(2)。91～56～9。(3)。、DDC、PLC(4)、。、、、。。。2009-10-112009-10-28—FFU123(1.4340202.2141513.()200001)、。“—FFU”“—FFU”、。TU831.3A1673-7237(2009)11-0026-05ComparativeAnalysisofDifferentDesignSchemeforaCleaningRoominXi'anWANGZheng-li1,SUNDong-liang2,LIUJun3(1.DepartmentofUrbanConstruction,CollegeofTechnologyandEngineering,YangtzeUniversity,Jingzhou434020,Hubei,China;2.ChinaElectronicSystemEngineeringNo.2ConstructionCo.,Ltd.,Wuxi214151,Jiangsu,China;3.GRUNDFOSPumps(Shanghai)CO.,Ltd.,Shanghai200001,China)Abstract:Thecharacteristicsofcleaningroomintheelectronicindustryareexpounded,andtheaircurrentconfigurationoforganizationandtheformofairsystemintheelectronicindustryair-conditioningarepresented.Advantageofmake-upairunit-drycoil-FFUsystemisstated.Calculationandanalysisofdifferentdesignschemeformake-upairunit-drycoil-FFUsystemair-conditioningcourseareprovidedinsummerandwinterrespectively,calculationresultsofdifferentdesignschemearecomparedandanalyzed.Finally,rationalityandenergy-sav－ingdesignschemeareimplementedinthisproject.Keywords:drycoil;make-upair;designscheme200911(37225)No.11in2009(TotalNo.225Vol.37)doi10.3969/j.issn.1673-7237.2009.11.009■HEATINGVENTILATION&EQUIPMENT1.2。、。、、。“—FFU”。1.3“—FFU”()1～5FFU6～9。6～9—FFUFFU。、。FFU—。。2.6～3.0m1～1.5m()“”。“—FFU”。(DryCoil)。FFU(FanFilterUnit)、、、FFU53dB(A)、0.4m/s。FFUHEPA(HighEfficiencyPartic-ulaterAirFilter)ULPA(UltraLowPenetrationAirFilter)HEPAUL-PA。2FFU—2。ISO7(10000)249m22.5m4m623m325m2(23±2)℃(50±10)%。“-FFU”。。(、)。+∞21、2。3、4。Q=52kW。W35.2℃26℃80.1kJ/kgW1-FFUFig.1Thecleaningroomofmake-upaircannotbalanceindoorheatload2-FFUFig.2Thecleaningroomofmake-upaircanbalanceindoorheatload3-FFUFig.3Theair-contioningcourseofmake-upaircannotbalanceindoorheatload274-FFUFig.4Theair-contioningcourseofmake-upaircanbalanceindoorheatload-8℃67%-4.9kJ/kgN23℃50%45.7kJ/kg[1]t=6℃O17℃39.3kJ/kgL12.8℃95%35kJ/kg。2.1[2]2(1)(2)≥40m3/h。3(1)(2)(3)。。2.1.1。[3]10Pa2～3VV。2130m3/h3VL=4000m3/h。61(2～4m24m2)2440m3/h。Q=1.2×L(hw-hL)/3600=1.2×4000×(80.1-35)/3600=60.13kW2.1.2(1)。[2]6.3.3＜4m4m72515575m3/h(2)。L=3000Q/(hN-hO)=3000×52/(45.7-39.3)=24375m3/hn=39/h7252440m3/h(4)24375m3/h。FFUAFFU=L/lFFUlFFUFFUm3/h。lFFU=1000m3/hAFFU=24.325FFU1FFU。—FFU。2.222.2.111—FFU35。5-FFUFig.5Air-handlingprocessflowchartofdry-coilair-contioningsysteminwinterandsummer(1)L=20375m3/hs=0.834Hs=(hN-hO)/(hN-hH)(1)hHkJ/kg。hH=38kJ/kg13.5℃。Q=1.2L(hN-hH)/3600=1.2×20375×(45.7-38)/3600≈52kWW'WWφ=95%NOHtL28(2)Q=Q+Q=60.13+52=112.13kW。Q=1.2L(hN-hL)/3600=1.2×4000×(45.7-35)/3600=14.27kW(450m65%-5℃427.23Pa[4]-8℃)、。。W'TW'=12.8℃hW'=16.1kJ/kg。3(a)Q1=1.2L(hW'-hW)/3600=1.2×4000×(16.1+4.9)/3600=28kW(b)Q2=1.2L(hN-hW')/3600=1.2×4000×(45.7-16.1)/3600=39.47kW(c)d=1.2L(dN-dW)=1.2×4000×(8.7-1.3)=35520g/h=35.52kg/h(d)Q=Q=52kW。2.2.22—FFU46。6-FFUFig.6Air-handlingprocessflowchartofdry-coilair-contioningsysteminwinterandsummer(1)。4000m3/h60.13kW20375m3/hs=0.834H。ρhNL+ρhLL=ρhH(L+L)(2)hH=s(hN-hL)+hL(3)hH=43.9kJ/kgH20.4℃Q=1.2L(hH-ho)/3600=1.2×24375×(43.9-39.3)/3600=37.38kWLN()Q=1.2L(hN-hL)/3600=1.2×4000×(45.7-35)/3600=14.27kW(2)Q=Q+Q=60.13+37.38=97.5kW。Q+Q=51.8≈Q。(1)28kW(2)35.52kg/h。37.38kWQ=Q=37.38kW。322。112。139.47kW2。2。12Tab.1comparativeresultsoftwodifferentdesignschemeinsummer12/kW52/kW60.13/kW14.270/kW014.27/kW112.1397.5/kW5237.38/(m3/h)2037524375/℃2320.4/℃13.517/℃9.53.429(18)。。q2=1000ρqv(ho-hc)(8)hckJ/kg。hc=xhw+(1-x)hN(9)x。(5)、(8)(9)q2=q11+[x(hN-hw)/(ho-hN)!](10)(10)q2q1、xho。xq2tohoq2。xx。10%。10%。3to=60℃33%。3(w)Tab3Heatingloadofhot-blaststoveondifferentsupplyairtemperature(w)To/℃406080100120130140Ho/(kJ/kg)53.5974.3894.78115.17135.6145.8156.0q2/w1764881663951626431606571594271589731585913。[1],.[M].,1993.[2].[J].,2003(4):57-59.(1966)、([e-mail])。2Tab.2comparativeresultsoftwodifferentdesignschemeinwinter12/kW52/kW28/kW39.470/kW5237.38/(m3/h)2037524375/(kg/h)35.52112114.27kW。FFU。19.5℃23.4℃212～14℃。239.47kW。4“—FFU”。—FFU。22。[1],.[M].:,2003:109-110.[2]GB50073-2001,[S].[3].[Z].:,2002:243.[4].[Z].:,2007:77.(1982)、、([e-mail])。30