大温差小流量系统 特灵空调.ppt

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1、EarthwiseTMSystem大温差小流量-高效.节能.环保SeriesArrangement串联布置1TheTitanicStory泰坦尼克FirstCost(1year)MaintenanceCostsEnergyCostsCO2Taxes?(19years)2冷冻机chiller冷却塔coolingtower水泵pump冷冻水系统能耗EnergyConsumption1970’s2000’s73%9%18%58%26%16%31999年1月HPAC杂志DavidW.Kelly4简单的物理公式Physicalfo

2、rmulaQ=mcpDT水泵主机冷量不变5CoolingCoilPerformanceACTan传统温差大温差TMBH(KW)476.5(139)475.6(139)EWT(Supplytemp)44F(6.6oC)41F(5oC)WTR(tempdif)10F(5.5oC)15.1(8.4oC)GPM(flow)95.3(6L/s)63.0(4L/s)TypicalExample扰流盘管6盘管扰流:StainlessSteelSS304CopperTubeTurbulatorTurbulator7传统温差大温差流量24

3、00gpm(151L/s)1600gpm(101L/s)扬程110feet(33.5M)49/110feet(14.5/33.5M)泵效率80%80%马达效率95%95%泵功率65kW19/42kw冷冻水泵TypicalExample(1000ton)8大温差2000gpm(126L/s)32/60feet(9.7/18.2M)80%95%16/28kW传统温差流量3000gpm(189L/s)扬程60feet(18.2M)泵效率80%马达效率95%泵功率45kW冷却水泵TypicalExample(1000ton)9传

4、统温差冷冻水供44oF(6.6oC)主机能耗580kW大温差41oF(5oC)613kW主机TypicalExample(1000ton)10传统温差95/85/78(35/29.4/25.5)3000gpm(189L/s)10oF(5.6C)range7oF(3.9C)approach60hp48kW冷却塔TypicalExample(1000ton)大温差100/85/78(37.7/29.4/25.5)2000gpm(120L/s)15oF(8.3C)range7oF(3.9C)approach40hp32kW11

5、主机580冷冻水泵65冷却水泵45冷却塔48共计738传统温差61319/4216/2832680/715大温差+33kW-46/-23kW-29/-17kW-16-58/-23kW(-8%/-3%)节能水侧能耗ChW&CWTypicalExample(1000ton)12主机+10k冷冻水泵-6k冷却水泵-6k冷却塔-10k管路，阀门及安装-20k共计-32kUSD投资比较ChW&CWTypicalExample(1000ton)，传统温差投资USD:640k。改设计为大温差后：初投资降低：5%13ductwork–$

6、piping,pumps–$初投资chillers+$+$controls?$airhandlers-$初投资运行费用大温差可应用在水侧，空气侧小流量大温差高效Enhancedcomfort提高舒适度Enhancedacoustics降低噪音EnvironmentallyFriendly环保Spacereduced减少空间14LowFlow/Temp.System水侧比较WatersideBYPASSVALVE15LowFlow/Temp.System水侧比较WatersideBYPASSVALVE16Case:CICB

7、－中保大厦17LowFlow/Temp.SystemCase:CICB－中保大厦18LowFlow/Temp.SystemCase:CICB－中保大厦19每生产1kWh电相当于向大气释放:Generating1kWhofElectricityisequivalenttoreleasingintheatmosphere:680克,1.5磅Lb.ofCO24.5克GramsofSO22.5克GramsofNOxCase:CICB－中保大厦20选用大温差所降低的能耗相当于=多种200,000棵树Planting200,000T

8、rees减少900辆汽车Removing900carsCase:CICB－中保大厦ByInvestinginanmoreefficientEWSsystem21SydneySuperDome悉尼2000年奥运会主馆EarthwiseCaseStudy22EarthwiseTMSystem大温差小流量-高效.节能.环保