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、侯纯扬 武 杰 赵 楠 吴芸芳 刘淑静 王维珍(, 300192):,,。,,、,《》。,,、、,、、,。:;;;;;;:P746P755.3 :B :1003-2029(2002)04-0046-05 ,,。、——,。。、,,、,。,,,;,19%,、、[1]。,、,,。,Ca2+、Mg2+,,,。,,、。:2002-09-12。“”、。1 。HG/T2159-91《——》ASTMG31—72(79)《》。CP5,《》()。1.1 :50℃、,0.3m/s,72h。1:1 ★(mm/a)11.00.818621.00.0075★31.50.0060★42.00.0054★52.50.0040★ ★:28cm2,0～2。21 4200212 OCEANTECHNOLOGY Vol.21,No.4Dec,20021.2 ,Ag/AgCl,,(1cm2)。50℃、,30mV/min,CP5。2。2 Rp/(Ψcm2)ba(mV)bc(mV)Vcoor/(mm/a) 11.0855714540.363821.5989412000.172832.01462423200.127441.04291541640.003051.53549635650.003362.020860441120.00762 《》HG/T2024-91—,。2.1 、,pH、、。,50℃1.5,80℃1.1,,,pH、、Ca2+、Mg2+。2.2 ,。,80℃、2.0,pH,70%～85%,90%。3 ,GB/T14643.1—93、GB/T14643.5—93MPN、GB/T14643.6—93MPN,,、。3.1 :SW98-04,40～60mg/l,72h,6×106cfu/ml2×103cfu/ml,99.97%。3.2 :SW98-04,50mg/l,72h,9×102cfu/ml19cfu/ml,97.89%。3.3 :SW98-04,50mg/l,72h,3×103cfu/ml0cfu/ml,100%。3.4 :SW98-04,50mg/l,72h,5×102cfu/ml0cfu/ml,100%。4 、、4.1 HG/T2160—91《》《47 4 :、 》。1。 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17.。1 4.2 、。(1):20#,19×2mm,650mm(580mm);(2):,3。3 pH(μS/cm)M(mg/l)(mg/l)Ca2+(mg/l)Mg2+(mg/l)SO42-(mg/l)Cl-(mg/l) 7.313.99×104123.4113.60380.201161.572478.0017403.20 (3):2.0±0.2,Cl-、;(4)pH:pH(8～9);(5):32±0.2℃,8℃,99±1℃;(6):180L;(7):600L/h;(8):48h,15d。4.3 (1)(:≤0.125mm/a)。①0.0322mm/a。(),。②0.1072mm/a。8d,,9d,,,。,48 21。(2)(:≤5.16×10-4m2.℃/W;)r=1.2931×10-4m2.℃/W。——2。(3)4。2 —4 0123456789101112131415√××√×√×√××√××√×× :√:;×:。 3。3 —— :2～3,。,,10cfu/ml,100cfu/ml。,、,GB50050-95《》[2]。5 ,,。,,、,《》。,49 4 :、 ,、,GB50050-95《》。,,。。,,,。1 ,.··.:,1996.2 .GB50050-95..1995.CorrosionControl,FoulingDepositControlandBiofoulingControlintheSeawaterCirculatingCoolingSystemHouChunyang WuJie ZhaoNan WuYunfang LiuShujing WangWeizhen(InstituteofSeawaterDesalinationandMultipurposeUtilization,SOA,Tianjin,300192)Abstract:Asoneofnewtechniqueinthefieldofseawaterresourceutilization,seawatercirculatingcoolingtechnologyisonewaytoutilizeseawaterdirectly.Withhighersalinity,agreatervarietyandhighernumberofmicrobeandorganismthanfreshwater,seawaterisparticularlysusceptibletocorrosionandbiofouling.ItsqualityisfarlowerthannationalstandardCodefordesignofcirculatingcoolingwatertreatment(GB50050-9),whichregulateswaterqualityofcirculatingcoolingwater.Theresultsofseawatercirculatingcoolingtreatmentexperimentshowthatinthefieldsofsteelcorrosioncontrol,foulingdepositcontrol,biofoulingcontrol,andsoon,byaddingchemicals(suchasanti-corrosiveagent,scaledispersinginhibitor,algaecideandbiocide,etc.)thatcantreatwater,thetechniqueofseawatercirculatingcoolingtreatmentcanachieveorapproachthenationalstandardwhichstipulatesrelevantwaterqualityrequirement.Keywords:coolingwater;corrosioninhibitor;scaledispersinginhibitor;biocide;circulatingcooling;coolingtower50 21