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CTB陈俊1,陈同斌1,高定1,郑国砥1,郭松林1,杜伟2,马达3(1.中国科学院地理科学与资源研究所环境修复研究中心,北京100101;2.北京中科博联环境工程有限公司,北京100080;3.秦皇岛市绿港污泥处理厂,河北秦皇岛066000):秦皇岛市某污泥处理厂采用CTB自动控制污泥堆肥工艺,发酵过程采用温度氧气联合反馈控制,实现了堆肥发酵的自动化该工程对脱水污泥的处理规模为200t/d,堆肥周期为20d,堆肥结束后污泥含水率可降低到40%左右堆肥成品可作为有机肥原料或用于园林绿化垃圾填埋场覆盖土及盆栽基质等该工艺具有升温快脱水迅速无害化彻底臭味低等优点:城市污泥;好氧堆肥;CTB工艺:X703:C:1000-4602(2010)09-0138-03EngineeringPracticeforSewageSludgeTreatmentbyCTBProcessCHENJun1,CHENTongbin1,GAODing1,ZHENGGuodi1,GUOSonglin1,DUWei2,MADa3(1.CenterforEnvironmentalRemediation,InstituteofGeographicSciencesandNaturalResourcesResearch,ChineseAcademyofSciences,Beijing100101,China;2.BeijingGreenTechEnvironmentalEngineeringCompany,Beijing100080,China;3.QinhuangdaoLvgangSewageSludgeTreatmentPlant,Qinhuangdao066000,China)Abstract:Thecontroltechnologyforbiocomposting(CTB)processwasusedinasludgetreatmentplantinQinhuangdao.Theautomatizationofcompostingfermentationwasachievedbyjointfeedbackcontroloftemperatureandoxygenduringthefermentation.Thetreatmentcapacityofdewateredsludgeis200t/d,thecompostingcycleis20d,andthesludgemoisturecanbedecreasedto40%attheendofcomposting.Compostingproductscanbeusedasrawmaterialfororganicfertilizer,forgardening,coverlayeroflandfil,lmediaforpottedplantsandsoon.Thisprocesshasadvantagesofrapidtemperaturerise,quickdewatering,completeinnocuity,lowodorandsoon.Keywords:municipalsludge;aerobiccomposting;controltechnologyforbiocomposting(CTB)process:(863)(2006AA06Z384),200t/d,,2008,40%,,20095,61工艺流程CTB[12],138第26卷第9期2010年5月中国给水排水CHINAWATER&WASTEWATERVo.l26No.9May201011Fig.1Flowchartoftreatmentprocess,C/N,,[3][4],,Compsoft3.0,,,,,,NH3,,,2主要处理单元及设计参数2121111Tab.1Equipmentsparametersofmixingsystem130m3,120m3,120m3,1140m3/h2130m3/h150m3/h3150m3/h,1,2,12,,3212C/N80%,,,C/N,NH3,C/NC/N,22Fig.2Diagramofmaterialbalance22221,,50~55,5~7d,,,,20,,33m!5m!2.2m(!!),,2.0m31,140m3/min,,,Compsoft3.02222139陈俊,等:CTB自动控制污泥好氧发酵工艺工程实践第26卷第9期2Tab.2EquipmentsparametersoffermentationworkshopCTB20-20~100,0.1CTB200~30%,0.05%15m3,4.75m/min,1.4~2.0m,,1500m3/h,1.4m/min120t,4.75m/min7140m3/min,10kPa223,3~5cm,CTB,,,,H2S,,(555~7d),,,,,,,30,,,,(1/d),23,,,,;,,24241,2H2SNH3,,H2SNH3∀#(GBZ2∃2002),,2425500m2,7m,6600m3,32000m3,3/h,100000m3/h,,1000m2GB18918∃20023技术经济指标2.67hm2,8900m2,380m2,1000m24950,24.75/t,80~120/t()4结语,,,;,,,:[1],,.[P].:ZL01120522.9,2003-02-19.[2],,.[J].,2005,21(4):17-19.[3],,.[P].:ZL01120521.0,2003-02-19.[4],.[P].:ZL02130473.4,2003-02-19.E-mail:chentb@igsnrr.ac.cn:2009-11-20140第26卷第9期中国给水排水
本文标题:CTB自动控制污泥好氧发酵工艺工程实践
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