大溫差小流量系統(tǒng) 特靈空調(diào)

1、EarthwiseTM System大溫差小流量- 高效.節(jié)能.環(huán)保Series Arrangement 串聯(lián)(chunlin)布置1共三十一頁The Titanic Story泰坦尼克First Cost (1 year)Maintenance CostsEnergy CostsCO2 Taxes ? (19 years)2共三十一頁冷凍機(jī)chiller冷卻塔cooling tower水泵(shubng)pump冷凍(lngdng)水系統(tǒng)能耗Energy Consumption1970s2000s73%9%18%58%26%16%3共三十一頁1999年1月HPAC雜志(zzh) David

2、W. Kelly4共三十一頁簡單的物理(wl)公式Physical formulaQ = m cp DT水泵(shubng)主機(jī)冷量不變5共三十一頁Cooling Coil PerformanceA C Tan 傳統(tǒng)(chuntng)溫差 大溫差 TMBH (KW) 476.5 (139) 475.6 (139) EWT (Supply temp) 44 F (6.6oC) 41 F (5oC) WTR (temp dif)10 F (5.5oC) 15.1 (8.4oC) GPM (flow) 95.3 (6 L/s) 63.0 (4 L/s) Typical Example擾流盤管(pn

3、un) 6共三十一頁盤管(pn un)擾流 : Stainless Steel SS304Copper TubeTurbulatorTurbulator7共三十一頁傳統(tǒng)溫差 大溫差流量 2400 gpm (151 L/s)1600 gpm (101 L/s) 揚(yáng)程 110 feet (33.5 M) 49/110 feet (14.5/33.5 M) 泵效率 80 % 80 % 馬達(dá)(md)效率 95 %95 %泵功率 65 kW19/42 kw冷凍(lngdng)水泵Typical Example (1000 ton)8共三十一頁大溫差(wnch)2000 gpm (126 L/s)32/6

4、0 feet (9.7/18.2 M)80 %95 %16/28 kW傳統(tǒng)溫差流量(liling) 3000 gpm (189 L/s)揚(yáng)程60 feet (18.2 M)泵效率 80 %馬達(dá)效率 95 %泵功率 45 kW冷卻水泵Typical Example (1000 ton)9共三十一頁傳統(tǒng)溫差冷凍(lngdng)水供 44oF (6.6oC)主機(jī)能耗 580 kW大溫差(wnch) 41oF (5oC) 613 kW主機(jī)Typical Example (1000 ton)10共三十一頁傳統(tǒng)(chuntng)溫差 95/85/78(35/29.4/25.5)3000 gpm (189

5、L/s)10o F (5.6 C) range7o F (3.9 C) approach60 hp48 kW冷卻塔Typical Example (1000 ton)大溫差(wnch)100/85/78(37.7/29.4/25.5)2000 gpm (120 L/s)15o F (8.3 C) range7o F (3.9 C) approach40 hp32 kW11共三十一頁主機(jī)(zhj) 580 冷凍水泵 65 冷卻水泵 45 冷卻塔 48 共計(jì) 738 傳統(tǒng)(chuntng)溫差 613 19/42 16/28 32 680/715 大溫差+33 kW- 46/- 23 kW- 29

6、/- 17 kW-16- 58/- 23 kW( - 8 %/- 3% )節(jié)能水側(cè)能耗 ChW & CWTypical Example (1000 ton)12共三十一頁主機(jī) +10k 冷凍水泵 -6k 冷卻(lngqu)水泵 -6k冷卻塔 -10k管路，閥門及安裝 -20k共計(jì) -32k USD 投資(tu z)比較 ChW & CWTypical Example (1000 ton)，傳統(tǒng)溫差投資USD:640k。改設(shè)計(jì)為大溫差后：初投資降低：5%13共三十一頁ductwork$piping, pumps$初投資(tu z)chillers+$+$controls?$air handler

7、s-$初投資(tu z)運(yùn)行費(fèi)用大溫差可應(yīng)用在水側(cè)，空氣側(cè)小流量大溫差高效Enhanced comfort 提高舒適度Enhanced acoustics 降低噪音Environmentally Friendly 環(huán)保Space reduced 減少空間14共三十一頁Low Flow/Temp. System 水側(cè)比較(bjio)Water side BYPASS VALVE15共三十一頁Low Flow/Temp. System 水側(cè)比較(bjio)Water sideBYPASS VALVE16共三十一頁Case: CICB中保(zhngbo)大廈17共三十一頁Low Flow/Temp.

8、 System Case: CICB中保(zhngbo)大廈18共三十一頁Low Flow/Temp. System Case: CICB中保(zhngbo)大廈19共三十一頁每生產(chǎn)(shngchn) 1 kWh 電相當(dāng)于向大氣釋放 : Generating 1 kWh of Electricity is equivalent to releasing in the atmosphere: 680克,1.5 磅 Lb. of CO2 4.5 克 Grams of SO2 2.5 克 Grams of NOxCase: CICB中保(zhngbo)大廈20共三十一頁選用(xunyng)大溫差所降

9、低的能耗相當(dāng)于= 多種200,000棵樹 Planting 200,000 Trees減少(jinsho)900輛汽車 Removing 900 carsCase: CICB中保大廈By Investing in an more efficient EWS system21共三十一頁Sydney Super Dome悉尼(x n)2000年奧運(yùn)會主館Earthwise Case Study22共三十一頁EarthwiseTM System大溫差小流量(liling)- 高效.節(jié)能.環(huán)保Series Arrangement 串聯(lián)布置23共三十一頁5.5oC38 oC32 oC12 oC下游(xi

10、yu)機(jī)1850ton vs 0.598 kw/ton上游(shngyu)機(jī)2150ton vs 0.608 kw/ton34.8 oC8.51 oC0.603375 kw/ton上游機(jī)下游機(jī)24共三十一頁Boston Convention & Exhibition Center波士頓會展中心September 30, 2004共三十一頁BCEC Cooling Plant六臺電制冷 56O F- 40O F(13.3-4.4 O C)(2) 3000 Ton Series Counterflow Modules(2) 400 Ton Double Bundle Chillers二次泵系統(tǒng)(x

11、tng)機(jī)房能耗 kw/TR0.78 kw/TR Design0.59 kw/TR IPLV17萬平方米空調(diào)面積(min j)6800冷噸冷凍26共三十一頁Series Counterflow Chillers3000 TR Module ChillerTower Fans & Pumps CHW PumpsTotal主機(jī)冷卻塔與冷卻水泵冷凍(lngdng)水泵總計(jì)Series Counterflow0.633 kw/TR Design0.056 kw/TR0.075 kw/TR0.76 kw/TR90o - 110oF (32.2-43.3oC)0.484 kw/TR NPLV0.056 k

12、w/TR0.075 kw/TR0.615 kw/TRParallel0.769 kw/TR Design0.056 kw/TR0.075 kw/TR0.90 kw/TR90o - 110oF (32.2-43.3oC) 0.608 kw/TR NPLV0.056 kw/TR0.075 kw/TR0.740 kw/TRConventional85o -95o F (29.4-35oC) 0.579 kw/TR Design 0.12 kw/TR 0.075 kw/TR0.77 kw/TRParallel0.485 kw/TR NPLV0.12 kw/TR0.075 kw/TR0.68 kw/TR

13、27共三十一頁波士頓會展中心Methods to Reduce Tower Size減小冷卻塔Reduce flow Rate - Increase Range增加冷卻塔的溫差(wnch)-6,800 TR 10O F (5.6oC) Range 85O-95O 19,000 GPM 30” Pipe775 HP-6,800 TR 15O F (11.1oC) Range 85O-100O 12,750 GPM 24” Pipe530 HP -6,800 TR 20O F (11.1oC) Range 85O-105O 9,600 GPM 20” Pipe400 HPPump Power re

14、ductionsFan Power ReductionsLine Size ReductionsIncrease Tower Approach增加冷卻塔的逼近度，供水溫度與濕球溫度差-78O F (25.6oC) Wb85O-100O (29.4-37.8oC) 2500 Sq. Ft. 225 HP 85O-78O = 7O F (3.8oC) Approach -78O F (25.6oC) Wb90O-110O (32.2-43.3oC) 1800 Sq. Ft. 150 HP 90O-78O = 12O F (6.6oC) Approach28共三十一頁ConclusionSeries counterflow chillers low flow high approach tower advantageous順流逆流串聯(lián)配置主機(jī)，大溫差(wnch)冷卻塔Low first cost low energy減低機(jī)房投資與運(yùn)行費(fèi)Every application is different每一單都不同Dont be a “Victim of Inertia”不做習(xí)慣的犧牲品初投資(tu z)運(yùn)行費(fèi)用29共三十一頁謝謝(xi xie)大家 Thank you 30共三十一頁內(nèi)容摘要Ea