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“”215125。、、。“”、。、、。“”。DOI10.13205/j．hjgc．201502019THEAPPLICATIONANDPＲACTICEOFTWO-PHASESLUDGEDＲYINGTECHNOLOGYINCHINA'SMUNICIPALSLUDGEDISPOSALYueBaoZhangYaofengSuzhouIndustrialParkSino-FrenchEnvironmentalTechnologyCo．LtdSuzhou215125ChinaAbstractThereisahugeamountofwetsludgeproducedbysewagetreatmentplantsinChina．Howevermostofthemisnottreatedinasafeway．Sludgedryingwhichrealizesthequantityreductionharmlesstreatmentstabilizationandrecyclinghasbeenwidelypromotedinrecentyears．Comparedwithothersludgedryingtechnologiestwo-phasesludgedryingtechnologyhasobviousadvantageinenergyconsumptionandsafetyandbecomesmoreandmorepopularbothinChinaandabroad．Ontheotherhandduetosomeproblemssuchashighfibercontentandviscosityhardobjectsinthesludgefromsomeareasthesteadyrunningofthistechnologyisaffected．ThroughthepracticeofsludgedryingprojectinSuzhouIndustrialParkitwastakenthepertinentmeasuresundertheconsiderationoflocalconditionsandtheproblemsintheoperationofthedryingprocessweresolved．Inconsequencethecontinuousandstableoperationoftheproductionhadbeenrealized．Keywordssludgedryingtwo-phasesludgedryingtechnologylowerenergyconsumption2014－04－11《2012》2012423.4m3201130.3m31。25.9%2。1、3。、4。、56。2090711/5～1/4。88EnvironmentalEngineering2。3。4、、。、8。2、、9。31。。260g/m37、。32＜130℃、＜110℃8。1。110Table1Comparisonofsometraditionalsludgedryingprocesses10、//kJ·kg－1335027502750/kW·h·kg－17050150/%＞90＞90＞903“”“”220%40%～45%。2———70%～90%“1”“2”1。1“”Fig．1Schematicoftwo-phasesludgedryingprocess“”3.1“”30%。2。12、11511～14022kJ7534kJ/kg。“”。《》、“”。3.2“”40%～45%98SolidWasteTreatmentandDisposal2“”Table2Comparisonoftheenergyconsumptionbetweentwo-phaseprocessandothersludgedryingprocesses“”“”11/%90909060～90/kW·h·kg－10.0580.0530.05～0.150.04～0.90/kJ·kg－1248022972750～33502940～42002768.42kJ/kg100℃419.06kJ/kg。。1。。3.3“”。110℃。40℃。“”、。4“”。。、。2009“”2013“”41000t/d3。4.1“”“”。3“”Table3Theprojectsoftwo-phasesludgedryingprocessinChina/t·d－12402009330020115200450、、。、、30“”。1“”40%～45%。。。2、、“”。、、15。3。。09EnvironmentalEngineering。4.2“”20115。4.2.1201153020t1t。2011622—2472h353t。12012719—2172h350t/d。230。4.2.240℃。70%～90%。、3。《》A。4.2.32。2768.42kJ/kg38.5%9.4%4.9%。5“”。2Fig．2TheenergyconsumptionofsludgedryingprojectinSuzhouIndustrialPark、、“”。12012Z．2012.2．“、”J．201329101-4.3．———《》J．2009752-53.4．J．20061211758-761.5．J．2011334186-189.6．J．20123821-5.7．M．1997.8．J．200228235-36.9．J．201230595-99.10．J．20072385-8.11．S．1972－、。1980－。yaofengmail@163．com19SolidWasteTreatmentandDisposal