城市BOT污水处理厂节能降耗研究

27,158200911,6ENERGYCONSERVATIONTECHNOLOGYVol27,SumNo158Nov2009,No6城市BOT污水处理厂节能降耗研究,,(徐州核瑞环保投资有限公司,江苏徐州221004):近几年我国以BOT模式建成并运行的污水处理厂越来越多,而BOT模式建设的污水处理厂与普通模式建设的污水处理厂有较大差别本文通过对改良型A2/O工艺污水处理厂运行数据的分析,认为投资商应从工艺选择设备选用污泥处理与处置方法选择等方面进行优化控制,节能降耗,使运营费用最佳化:BOT;污水处理;改良A2/O工艺;优化控制;节能降耗:TK01+8:A:1002-6339(2009)06-0564-03StudyonEnergySavingStrategiesforBOTWastewaterTreatmentPlantsZHAOChuan-yi,CHENTian-bing,ZHANGJun-ming(XuzhouHeruiEnvironmentalProtectionInvestmentCo,Ltd,Xuzhou221004,China)Abstract:MoreandmorewastewatertreatmentplantshavebeenbuiltupinourcountryaccordingtoBOTpatternByanalysingtheoperationrecordingsofwastewatertreatmentplantsofimprovingA2/Oprocess,wefindthattheplantsconstructedbyBOTpatternareverydifferentfromthatofnormalpatternsinenergysavingstrategiesTherefore,investorsshouldpaymoreattentiononoptimizingcontrolandenergysavingmethodsfromvariouspoints,suchaschosingtechnologiesandequipmentsreasonablely,choicesofsludgetreatmentanddispositionprocessKeywords:BOT;wastewatertreatment;improvingA2/Oprocess;optimalcontrol;energysaving2009-09-252009-10-23:(1974~),,0BOT(BUILD-OPERATE-TRANSFER),--,,,,BOT,BOT,BOT,,,,BOT,,,,,,A2/O,BOT1,,,,BOT,564,,,,A2/O,A2/O,,,,,,,BOTA2/O,,A2/O1A2/OA2/OA2/OA2/OA/O,,,1A2/O,60%~90%1,015~028kWh2BOTA2/O014kWh,,,44%,35%,A2/O(1):,,,,,:,,,(2):A2/O,,,,,:,,,,,HRT,,3,,ORP,;,;,,:TP,NH3-NCOD,TNTN35mg/L,20mg/L,43%,TN3%,2,BOT,,,BOT,(1),750mm,8m3/(mh),23%,25~35kg/(kWh),;,(2)80%,60%~70%4,,,,,(3),(80%),Ne=565rQH,rQ,NeH,:,,,,;,,:,,,N=Ne/n(n),(4):,,,DO20mg/LDO,,,25%3BOT,,(1):,,NPKCaMgZnCuFe,,(2):BOT,,,,PAM,(3):,,,BOT,5~10mm,1~3mm,,,,4BOT,,,,,,;,,,,1,J,2005,31(12):31-332,J,2003,19(2):18-243,A2/OJ,2000,16(7):11-154,-A/OJ:,1988,150-153(上接第557页)1J.,2005,(1):1-22M:,2007.2:1-153GB/T1576-2008S4M:,2003.8:180-1915,M:,2004.4:127-1506J.,2008,(9):45-477,J.,2009,(3):59-608J.,2002,(6):37-409,J.,2009,(1):20-22566