Actualizationandeffectofthetransformationofcross-flowtypecoolingtowersintocounter-flowtypecoolingtowersCaiXingming(ShanghaiWujingChemicalCo.,Ltd.,Shanghai200241,China)(,200241)[],,2700t/h3000t/h。。,。[];;[]TQ085[]B[]1005-829X(2010)01-0093-03Abstract:Thecoolingcharacteristicandthermalperformanceofthecounter-flowtypecoolingtowersareintroduced.Ithasbeenappliedtothetransformationoftheoriginalcross-flowtypecoolingtowersinShanghaiWujingChemicalCo.,Ltd.Thequantityofcoolingwaterissuccessfullyincreasedfrom2700t/hto3000t/h.Atthesametime,theequilibriumofheatandenthalpyofthecoolingtowertransformationiscalculatedandchecked.Itisknownthataccordingtotheactualrunninginstancesofthetransformedcoolingtower,thepredictedresultofthecoolingtowertransformationhasbeenobtained.Keywords:cross-flowtypecoolingtower;counter-flowtypecoolingtower;circulatingcoolingwater、;;(),、。、、()、(、)。、、、,〔1-2〕。,30t,10(、、、),、、,,,,。110,21,1976,30a,7#、8#,。,,1#~4#。1#~4#19806,,、,。20054,1#、2#,,1#~4#、。,。21。30120101IndustrialWaterTreatmentVol.30No.1Jan.,201093——2010-01,30(1)3,3000m3/h,。(1)。W=Q×(t1-t2)×C×ρ(1):W———,kJ/h;Q———,m3/h;t1———,℃;t2———,℃;C———,4.2kJ/(kg·℃);ρ———,1.0×103kg/m3。Q=3000m3/h,t1=42℃,t2=32℃,(1)W=1.26×108kJ/h。(2)。W=[G×(i2-i1)×rg]×η(2):W———,kJ/h;G———,m3/h;i1———,kJ/kg;i2———,kJ/kg;rg———,kg/m3;η———。i1=89.5kJ/kg,i2=150.4kJ/kg,rg=1.1835kg/m3,η=0.95,,WW,,G≥1.84×106m3/h,1.95×106m3/h,。44.1,,,,。(1),。(2),。(3),。(4),,。(5)。,,、、。2。4.2,,、,2700m3/h3000m3/h。、,,。,。(1),1.70、4.90、8.10m,、,,。(2),4.9m,11.0m×18.0m、3.2m。。(3)4.9m,,1.75m,11.0m×18.0m,(0.40±0.05)mm,,,PVC。(4),,,,。。1/(m3·h-1)>27003000/kPa103.5103.5/℃31.531.5/℃2828/%7781/℃4242/℃3232/mm80008000()/mm1800018000/mm11000111002/(m3·h-1)/Pa/Pa/Pa/kW/kW1.84×106148.2040.10188.30137.601601.95×106135.6853.35189.03119.0616094——2010-01,30(1)[](1965—),1986。:021-64342240,E-mail:caixingming@wjchem.cn。[]2009-09-05()。,,,。:(1)。、,。、、。、、、。,D400mm,1.0m/min,38kg/m。,1.2~1.4g/cm3,,。(2)。4,40m3/h,25m,400mm×600mm。(3)。10mm60°,。(4)。。(5)。,,。(6)。/。(),,。,,、、、。,,。(5),,。SJ,、、、、,0.001%,0.01%。,。,0.6~0.8mm,,,。(6)、,FRP,。(7)、3.2m,80%,147MPa,35,50%,189#、191#,,、,。5,,、,,。,,,3000m3/h。,2a,3000m3/h,8~10℃;105.1%,;,,,,;,,,,。。[][1].[M].:,1985:260-263.[2],,.[M].:,1997:23-110.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!··:95——