,,。[][1],.[M].:,2003:60-63.[2],,.[J].,2007,7():91-93.[3],,,.[J].,2007,30(1):34-36.[4],.[J].,2007(2):26-28.[](1972—),1992,。:0951-2974348。[]2009-02-20()CauseanalysisandcountermeasureresearchontheeffectofseawatertideonseawatersedimentationtanksFengLikui1,ZhuXinqiang2,WangHongyi2(1.ZhejiangElectricPowerTestandResearchInstitute,Hangzhou310014,China;2.ZhejiangYueqingPowerRegenerationCo.,Ltd.,Yueqing325600,China)1,2,2(1.,310014;2.,325600)[],。,。,。[];;;[]TQ085+.4[]B[]1005-829X(2009)06-0076-04Abstract:Duringthecourseofseawaterfallingtide,amassofflocculatedgranulesfloatedupwardtoupsideofseawatersedimentationtanks,whichinfluencestheeffluentwaterseriously.Byanalyzingthechangeofseawaterduringtide,itisfoundthatthebasiccausesarethatthechangesofdensityandturbidityofseawaterresultinthedensitycurrentinsedimentationtanks.Thedensitycurrentflocculatesthegranulesfloatedupward.Combinedwiththestructureofsedimentationtanks,thecausethatflocculategranulefloatedupwardisanalyzed,andthecountermeasuresareputforward.Keywords:seawater;sedimentationtanks;tide;densitycurrent1,。+,。1。,。,,,。,1000m31!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!29620096IndustrialWaterTreatmentVol.29No.6Jun.,200976——2009-06,29(6),。,。1300t/h。2,。,100~900NTU,15~30mg/L,5NTU。,2。,,,。,。,80NTU,。4h,。,。22d()。2,,。,,。,(24.8h)2,1d2。3,3:(1),;(2),,,;(3),。。,,,,。,。:,,。,。,:800t/h400t/h,,,。,,,,。〔1〕、,,,,。,,,。,,。,,。44.1、60504030201000:006:0011:0015:3020:002:008:0012:3016:0022:006543210/m/NTU2,:77——2009-06,29(6),、、(),,。3~52d、、,。3,,,2.5℃。4,,。5,,。、,,,,,,。。4.26。,。,,、,,。,vv。〔2〕,,vmax。,7。β,L,d,uj,v。7,A,D,(1):uj≥dsinβLcosβsinβ+d·v(1),,(2):12.512.011.511.010.510.09.50:305:0011:0017:0023:004:0010:0016:0022:006543210/m/℃3①②6vvEDFβCujAvBd7L43.042.542.041.541.040.540.00:006:0011:0015:3020:002:008:0012:3016:0022:006543210/(mS·cm-1)/m43603002401801206000:006:0011:0015:3020:002:008:0012:3016:0022:006543210/m/NTU578——2009-06,29(6)vmax=Lcosβsinβ+ddsinβ·uj(2),,,。,,,,,,。6①。,vvmax,,,。,,。,,。,v,v,6②。,,,〔3〕,,,。,,,,、。5,,,。,,。(1)1。,。(2),,,(1),。,。,,1340t/h6.0NTU,,,,16NTU,。(2)2。,,。v≤vmax,。300t/h,。,2,1,,1。6(1),。,。(2),。(3),,、。(4),,。[][1].[M].:,2001:1-10.[2].[M].:,1998:58-59.[3],,,.[J].,2007,26(1):23-25.[](1977—),2000。:13958068212,E-mail:feng_likui@ri.zpepc.com.cn。[]2008-11-11,:79——