TightnessofthemembraneousflexiblefloatingrooffordesaltingwatertanksZhangTiezhu1,GaoHua2(1.ShenhuaInnerMongoliaGuohuaHulunbeierElectricPowerCo.,Ltd.,Hulunbeier020125,China;2.BeijingHuachuangkaidaTechnologyCo.,Ltd.,Beijing100021,China)1,2(1.,021025;2.,100021)[],、,———,、、、、。,。[];;;[]TK223.5[]B[]1005-829X(2010)09-0087-03Abstract:Nowadays,therearequiteanumberofmethodsforsealingwatertanksbothinChinaandabroad.Theadvantagesanddisadvantagesofsomecommonlyusedmethodsareanalyzedanddiscussed.Thecharacteristics,suchastechnicaladvancement,coveringefficiency,adaptability,installation,running,maintenance,etc.ofthetechnicallyadvancedandnew-typewatertanksealingmode,membranousflexiblefloatingrooftechnique,aresum-marized.Basedonalotofinvestigationandvalidation,madebyHulunbeierElectricPowerCo.,Ltd.,finallythesingle-layermembranousfloatingrooftechniqueisusedforsealingthedesaltingwatertank,andisolatingitfromtheatmosphere.Keywords:membranous;flexiblefloatingroof;watertanks;sealing,,,“”,,。1,,,(25℃)≤0.2μS/cm、SiO2≤20μg/L。0.10μS/cm,,、,。CO2(H2CO3、HCO3-、CO32-),,pH,CO2(NH4)2CO3,。CO2,,Fe、Cu。35000m3,,,5000m38m,4~5d,CO2。0.1μS/cm,0.6μS/cm,,,。30920109IndustrialWaterTreatmentVol.30No.9Sep.,201087——2010-09,30(9),、。,。2:、、、、。。2.1,,。,2080,(),、,(),2080,,。,,0.91g/cm3,,,。0.5,。,,,。———,。,,,,、。(、),。,90.7%,。,———、、,,,95%,,、、,“”。,,,,。。:,。:,。2.2,。:,。30%NaOH,。,,。,,。。:。:;;。2.3,。。:。:,,。2.4,,,。:。:,,,。2.5,。,,。。EPS,、,。,、、、()、,,,()88——2010-09,30(9),。,,()。:,。:,;,(),;,,;,,;,,。3(200520096791.9),,、、、、、。、、、、、。、、。44.1。、、、4000,,,(-50~90℃),、、30a、。,,、、,(、、)。4.2,,,。,,,,99.5%,,,,,。,,,,,。,,、、。()、()、()。,,1,,。,,。,(),,。4.3,。,,,、、,。,,。,,。,,,,、,,。4.4,,。,、,,,,,。5,,。2。,:[](1970—),1991,:0470-6767062,15849019071,E-mail:ghhlbe@126.com。[]2010-05-16()89——