高碑店污水处理厂沼气热电联供情况介绍李维

　李　维　杨向平　李建军　李德清　宋晓雅　　　污水处理厂产生的污泥经消化后会产生沼气,以甲烷为主要成分的生化沼气是非常理想的再生能源。介绍了北京市高碑店污水处理厂对生化沼气进行利用的途径,即沼气内燃机-余热回收-发电机组。对沼气的来源、质量、数量要求进行了分析,并介绍了工艺流程和相关设备。同时,对沼气利用的注意事项进行了阐述。　污水处理厂　沼气　热电联供　　15(),,9661hm2,240,68hm2,100m3/d,40%。,,,。50m3/d,5.24,1990,1993,1998;50m3/d,11.2,1995,19999,2002。1993,、,。1　。,5.3m3,2.5m3,(CH4)。:CH460%,CO230%,N28%,CO0.3%,H2S0.1%,1.6%,LHV5000～6000kcal/Nm3。,CO224.5。,,,;,。,:(1)。。50%。(2)--。,。,85%～90%。(3)--。,。,85%～90%。“--”,7,4MW,5MW,40%50%,“”。2　、、、,,、、、、;,1,。　　,WATER&WASTEWATERENGINEERING　Vol.29　No.12　200317　　　DOI:10.13789/j.cnki.wwe1964.2003.12.0071　　　　　/℃40/%80/μm/mg/(10kW·h)350H2S/mg/(kW·h)200/mg/(10kW·h)100100～400,,400/mg/(10kW·h)55/mg/(10kW·h)5、、、。,、、、。“--”,4,,6GTLB,、、,,;1.75～2.8bar(1bar=105Pa),0.02bar,0.035bar,2(,Ro-FloModelH11SM),12000m3(2.5～5.5bar),。1。1　“--”,3,,JMS316GS-B.L,,,50%NaOH;0.05～0.1bar,2。2。2　,,;,,,。,,(、、、),,、、、,。3　--“--”,513kW,600kW;,,;,8P6.5-2200,AC6300V,470kW;,,;;,。3。3　“--”,710kW,850kW;WATER&WASTEWATERENGINEERING　18　　　　Vol.29　No.12　2003,20023-5,:46m2,0.55/1.09MPa,550/120℃,,;DIDBN-110/105/1-4,AC6300V,652kW;,,;;;;。4　“--”1999;“--”2001。,,;,,,2001420kW·h(250),43(1=4.2kJ),7000t0.4MPa,60;2002650kW·h(390),65(10000t0.4MPa,80);2002,2003,,25000m3,4.8kW·h,5000;,,200331000m3,5.5kW·h,6000,20032000kW·h(1200),220(37000t0.4MPa,300)。“--”6000(,);“--”、,,,5000();100m3,53000m3,,40000m3。7.5kW·h,8000,2700kW·h(1600),280(48000t0.4MPa,400);,“--”2000。、(、、)、,(50,20),“--”7～8,。5　“--”,“”,24。(、);、、;。,、、、。,,:(1)。①,15000g/m3,500～5000g/m3,1200～10000g/m3,,,,;②、、,;(2)。,;　　(3)。①WATER&WASTEWATERENGINEERING　Vol.29　No.12　200319　　　,,;②;(4)。,①;②、,。,,、,,2000,:①、;②(、、);③;④、。。,“--”,,,。⊙:100022　:13611120776　E-mail:[e-mail]　:2003-7-20　张　晟　　　合肥市王小郢污水处理厂采用改良型氧化沟处理工艺,对好氧处理难降解的油脂、LAS等物质有较好的去除效果,去除污染物广泛,充分发挥了厌氧和兼性菌在处理工艺中的作用。在低有机负荷条件下,为充分利用有限的BOD,应尽可能使预处理简化,并通过厌氧池良好的绝氧环境弥补氧化沟中存在的过量曝气现象,满足系统中各类生化反应的DO需要。通过较长的污泥龄保证了良好的污泥沉降性能及剩余污泥的稳定消化。　改良型氧化沟　低负荷运行　兼性菌　预处理　过量曝气　污泥龄　　30m3/d,60%。15m3/d19984,15m3/d20017。,,,、、,,。0.2/m3,1500,1000,100,100,300。1.8,2,、。1　1.1　(1)1.1.1　1　、,。、,,。,WATER&WASTEWATERENGINEERING　20　　　　Vol.29　No.12　2003WATER&WASTEWATERENGINEERINGVol.29No.12December2003ABSTRACTSWastewaterDisinfectionStandardandApplicationofUltravioletDisinfectionZhangChenetal(1………………………)Abstract:Wastewaterultravioletdisinfection(UVD)hasbeenmaturedadequatelyasareliableandhigh-yieldinvestablegreentechnologyforenvironmentprotection.UVDhasbeenappliedwidelyworldwidetoreplacethetraditionalchlorinationasamainstreaminurbanwastewatertreatmentplants.DuringthetimeofSARSoutbreakinthiscountryUVDwasnominatedbythenationalenvironmentalbureauequallywithozoneandchlorinationasoneofmainmeasuresforepidemicprotection.InthispapertheapplicationandstandardsdealwithwastewaterUVDhomeandabroadarepresented.ApplicationofBio-FilterforWaterPurificationZhaRenguangetal(4……………………………………………………)Abstract:Bio-filter(BF)wasappliedforrawwaterpurificationatNanmenwaterworksinJiaxingcity.Thetrail-runshowsthattheCODandNH3-Nremovalsaremuchbetterthanthatoftheroutinefilterandtheorganolepticindicatorsoftheoutputwaterareupgradedevidently.Underadjustedoperatingconditiontheremovalofturbidityseemsimproved.Thisisafeasiblewaytoreconstructoldfilterintobio-filter,nonewstructureswillbeneededanditwillbeeasytomaintenanceandlowinvestment.PowerandHeatGenerationbyMethaneinGaobeidianWastewaterTreatmentPlantLiWeietal(17………………………)Abstract:Asawell-knownregeneratedenergy,socalledbio-gaswithmethaneasmaincomponentcouldbegene-ratedinsludgedigestion.Theutilizationofbio-gasinGaobeidianWWTPwaspresented,thisisacompositeofmethaneengine,surplusheatrecoveryandelectricitygenerationsystem.Thetechnicalprocess,equipmentandthesource,volumeandqualityofthebio-gasforthissystemaredescribedandattentionsinbio-gasutilizationarealsoadded.TreatmentofSlightlyPollutedRawWaterbyCeramisiteBio-FilterandActivatedMicro-FlocculationFilterSunLinaetal(24……)Abstract:Pilot-plantwasconductedwithcompositeprocessesofceramisitebio-filter(BF)andactivatedmicro-flocculationfilter(AMFF)totreattheslightlypollutedrawwaterofLuanheRiverdivertingtoTianjin.Theresultsshowthatthisintegratedprocessiseffective,andstableremovalsof93.5%,62.5%,65.8%,58.5%and77.0%forturbidity,ammonianitrogen,CODMn,chlorophyllandUV254respectivelyhavebeenobtained.Theoutputwaterissatisfied.Sothisprocesshasgreatpotentialsinfurtherdevelopmentandapplicationfordrinkingwaterpurification.ExperimentalStudyonUrbanWastewaterTreatmentbyCompositeBio-ReactorCaoBinetal(28…………………………)Abstract:Hybridbio-reactor(HBR)containingbothsuspendedandattachedgrowthswasdevelopedbyaddingsuspendedcarriersintoconventionalactivatedsludge(CAS)system.AHBRlaboratorymodelwasconductedtotreatmunicipalwastewaterwithexperimentofCASforcomparison.TheresultsindicatethattheHBRprovidedhigherremovalefficienciesoforganiccompoundsaswellasprocessstabilityratherthantheCAS,andtheremovalpercentwere89%forCOD,81%forTOCand72%forNH3-Nrespectively,intermsofthehydraulicretentiontime(HRT)at5.5hoursandtheorganicloadingrate(OLR)at0.21～0.51kgCOD/kgTotalBiomassperday.ThecolorityoftheeffluentofHBRisalsolowerthanthatintheCASprocess.Consequently,thebiod