DesignofthecirculatingcoolingwatersysteminironandsteelenterprisesWangChongwu,ChenQi(ShanghaiBaosteelEngineering&TechnologyCo.,Ltd.,Shanghai201900,China),(,201900)[]。、、。,。,。[];;[]TQ085[]B[]1005-829X(2010)12-0095-03Abstract:Thedesignprocessoftheopencirculatingcoolingwatersystemwhichisintheserviceofanironandsteelenterpriseisdescribed.Itincludestheselectionoftheprocess,calculationofprocessparametersandselectionofmajorequipment,etc.Thecombinationoftheaccidentaltowerwithdieselpumpwhichsupplieswatertogetherhasinsuredthesafetyofthesystem.Theparameterstestedbyinstrumentsareconcentratedondisplayingandcontrol-ling.Theautomationlevelofthesystemishighanditsoperationandmaintenanceareconvenient.Keywords:ironandsteelenterprise;opencirculatingcoolingwatersystem;accidentaltower3012201012IndustrialWaterTreatmentVol.30No.12Dec.,2010。、、1#2#、1#2#、,。10500m3/h,、,480m3/h。1、,,、。1。(42),。,,。,。,,10min。,。,,。,。〔1〕,,7%。、,,。,,()。,,。。,、95——2010-12,30(12)、。,、、,。2(1)。〔2〕,。,,,。,,。,,。,,。,,2.0。(2)。、、、、、()、。,,Q10500m3/h。33.5℃,43.5℃,Δt=10℃。2.0。(1)~(5)〔3〕。N=Cri/Cmi=Qm/(Qb+Qw)(1)Qm=Qe+Qw+Qb(2)Qe=e·Δt·Q(3)Qw=ρ·Q(4)η=(1-Qm/Q)×100%(5):N———;Cri———,mg/L;Cmi———,mg/L;Q———,m3/h;Qm———,m3/h;Qe———,m3/h;Qw———,m3/h;Qb———(),m3/h;Δt———,℃;e———,,0.0015;ρ———,,0.3%;η———,%。,158m3/h,32m3/h,()125m3/h,315m3/h。,,。,,,,;185m3/h,()130m3/h。97.0%,。3(1)。96——2010-12,30(12)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!![](1982—),2008,,。:021-66786678-6226,13482166064,E-mail:wangchongwu@baosteel.com。[]2010-07-30():Q=10500m3/h,101.61kPa,32℃,28.2℃,38.2℃、-9.4℃,33.5℃,43.5℃,3,3500m3/h,1,2。D8530mm,1.98×106m3/h,132kW。(2)。,,6,2625m3/h,65m。2(11),4(31)。(3)。7%,750m3/h,,3(21),375m3/h,25m。(4)。750m3/h,SS30mg/L,SS5mg/L,2,375m3/h,,。。(5)。55m。0.60MPa,,;<0.50MPa,。,。2(11),100m3/h,25m。(6)。<0.30MPa,<0.25MPa,,10min。,0.40~0.50MPa,8h。1,500m3/h,55m。(7)。4,、、。4PLC。、、、、、,CRT,、。,;,CRT,;,PLC。EMS。5(1),,、,、,。,,。(2)、,,。(3),,,。[][1]GB50050—2007[S].[2].[M].:,2008:7.[3].[M].:,2005:938-939.———.JP2009285650··,/,。(),:97——