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--●Vol.32,No.420144ChinaResourcesComprehensiveUtilization97%。,,,。,、,75%。,,;,。1,,。、、。,,70%;,20%;,10%。,。、。1.1。95%,。、,。、。,,。、。,,。1.2,、。崔永峰1,文明2(1.,841000;2.,163316):城市污泥所含水分性质复杂,有间隙水、毛细水、结合水存在形式。污泥经浓缩、脱水后含固率仍很低,不能自持燃烧。而采用低压、水热预处理和离心式脱水机半干化处理后,可以提高污泥热值,降低运输和贮存成本,同时可以减少燃料和其他物料的消耗,是城市污泥干化可行的技术路线。:城市污泥;脱水污泥;污泥干化;可行性:X703:A:1008-9500(2014)04-0038-03TheAnalysisontheDewateringTechnologyofSludgeCuiYongfeng1,WenMing2(1.XinjiangTarimOilfieldConstructionEngineeringCo.,Ltd.Korla841000,China;2.DaqingPetroleumAdministrationBureauFourProductionPlant,TwoMine,Daqing163316,China)Abstract:Theexistenceformcontainedinurbansludgeiscomplexincludinginterstitialwater,capillarywaterandcombinedwater.Hence,thesolidcontentisstilllowandcannotbeself-sustainingcombustionafterconcentrationanddehydration.Thisarticleintroducesafeasibletechnologyfordryingsludge.Thistechniqueisusinglow-pressure,hydrothermalpretreatmentandcentrifugaldewateringmachinesemi-dryprocesstodrysludge,whichcanimprovethecalorificvalueofsludge,reducethecostsoftransportationandstorageandtheconsumptionoffuelandothermaterials.Keywords:urbansludge;dehydration;sludgedrying;feasibility:2013-11-20:(1974-),,,,。38--●,、,。1.2.1。,。,。1.2.2,,。、、。、。,、;、、、,。,,。。,。,,、,[1]。1.3,,。,。、、。;3[2]。22.1,,30%~50%。(85%~99.5%),,。,60%~75.5%。2.2++,,。,,,;,,,。,、、。33.1,,,。、、、,[3]。,,。,。3.2。(80%),。、,,、,。,,。[4]。3.3。,,。、,,。,,[5]。。(90%),,,4:39--●,,,、。,(3%)、、,。,,。,、。、、[5]。480%,(0.2~0.4MPa),,40%。,,。,,。,+,,。1,.[J].,2010,36(10):100-103.2,.[J].,2004,30(6):34-36.3.[J].,2010,26(14):1-6.4,,,.、[J].,2007,10(1):82-86.5.[J].,2009,40(3):64-66.(责任编辑/陈军),、、、、、、、、。,、。,,,、。,1400,,500,200700,99%;、,1000。,、,。,4,1/4,1%,。,,,,。,。,,。,。,,。、,2013,91,42.7%。,,,、,,。,,,。,,,,,,、,、。(再协)“”440
本文标题:城市污泥脱水干化技术分析
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