常规污泥干化工艺经济性比较

1009-6825201614-0126-022016-03-071988-300051。X703A1、、、1。1、。2、、、2。34a．。、、。80%～85%。b．+。。70%60%。c．。0．6MPa～0．8MPa70%～75%。d．。、。。2。。。33．1→→→→。、、、、、、、。3．2。1、、→→。80%10%～30%。240℃～75℃。100℃～300℃250℃～300℃、、櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅9kA。5。3、。1．M．3．2005153-179．Discussiononlow-voltagecircuitbreakerselectivitySunTong1SunXian21．BeijingZhongyuanEngineeringDesignConsultingLimitedCompanyBeijing100037China2．ChinaAvionicsConstructionPlanningandDesignＲesearchGroupLimitedCompanyNanjing210017ChinaAbstractThispaperanalyzedthemovementcurveoflow-voltagecircuitbreakerdiscussedthecoordinationandsettingmethodbetweenhigherandlowerlow-voltagecircuitbreakerandcombiningwiththeengineeringexampleputforwardthecheckingmethodmadethelow-voltagecircuitbreakerhadgoodselectivitysolvedpartofproblemofdistributionlineprotectionelectricalofcoordinationandcollaboration．Keywordslow-voltagecircuitbreakermovementcurveselectivitycurrent·621·421420165SHANXIAＲCHITECTUＲEVol．42No．14May．2016DOI:10.13719/j.cnki.cn14-1279/tu.2016.14.069200℃～300℃、、、、300℃。150℃150℃～250℃。3。12%60g/m3110℃。42m/s。44．1+1input1。180%20℃8333．4kg/h595MJ/h159℃0．5MPa7440．5kg/h20511．35MJ/h25℃2×1294kg/h2×1092．4m3/h2×32．87MJ/h2output2。230%95℃2×1190．5kg/h225．625MJ/h159℃0．5MPa7440．5kg/h20511．35MJ/h+4．5%105℃5952．4kg/h2588kg/h13037．8m3/h16302．07MJ/h5．45%2×383．445MJ/h8．33t/h80%==21172．09MJ/h0．893t1kg0．5MPa0．094286kg1kW·h0．123kg0．684kW·h。4．2。8．33t6250kg。482kW·h。482kW·h×0．75/kW·h=361．5。8．33t。7．44t。=7．44×103×0．0942/0．123=5697．9kW·h。200/t～280/t。240×7．44+361．5/8．33=257．7580%20%。482。51551。4．38．33t6250kg/h1689kW·h1689kW·h×0．75=12678．33t15280%20%203kW·h80%20%30600。53。3/kg·h－162506250/t·h－18．338．33/kW·h4821689/482×0．75=361．51689×0．75=1267/t·h－17．44kW·h7．44×103×0．0942/0．123=5697．9/kW·h5697．9+482=6179．91689200/t～280/t240×7．44+361．5/8．33=257．7580%20%1267/8．33=152．180%20%/51551306003．5。。1．M．200320-27．2WertheraJOgadabT．SewagesludgecombustionJ．ProgressinEnergyandCombustionScience199925155-116．3．J．199921151-53．4．M．1998．TheeconomiccomparisonofconventionalsludgedryingtechnologyGuoLeiTianjinMunicipalEngineeringDesign＆ＲesearchInstituteTianjin300051ChinaAbstractThispaperintroducedthepresentcommonsludgedehydrationprocesstechnologymainlyelaboratedtheprocessofdrysteamheatingdryingandheatpumplowtemperaturedehumidificationandmadecomprehensivecomparisontheenergyconsumptionandeconomytwokindsofsludgedryingprocesstechnologyfinallydrawsomemeaningfulconclusions．Keywordssludgedryingtechnologylowtemperatureanddehumidificationtechnologyenergyconsumptioneconomy·721·421420165