冲天炉烟气净化与余热利用系统的设计和应用_何雁

何雁李韧王照汉刘方徐向彤姚得强方晓平孙联孙顺利王继成(,471039)结合云南某公司10tPh冷风冲天炉烟气除尘脱硫和烟气余热利用的工程实例,介绍和分析了冲天炉烟气净化与余热利用系统工程设计中应注意的问题冲天炉除尘脱硫余热利用工程实例0011项目背景210tPh,,;,,,,012治理目标,90%~95%50mgPm3,SO2450mgPm3,11111冲天炉的生产特征210tPh,7d(8~10d),2,7~9h,320d,5120h112基本设计参数11211:80198kPa11212:111,L1=180@111=198m3Pmin=11880m3Ph(20e):(312m@116m)112mPsLm=312@116@112@3600=22120m3Ph(20e):Ly=L1+Lm=11880+22120=34000m3Ph(20e;)11213,100~250e;,250~450e;,450~650e;,650e860e,950e11214SiO2,SiO2,;,,,,1000~10000mgPm3,2000~6000mgPm33613mgPm3,490t11215SO2716mgPm3,113主要设备设计和选择11311,,,37200612246,,,,,,,,,4,,,11312,,;,,,,500m2,,(,35e),,(950e),,,180e,1131350mgPm3,,,,,,,,1150m2,1060m2,0177mPmin,,,,11314SO2,,,SO2116mPs,1kgPm3,,,11315,,,;,;,11316,,(180e),CO,,,,180e,,,,11317,60e80~100t,,,114系统本身产生环境污染的防治38200612246,;,,,,115系统自动控制,,,,,;,SO21PLC,1;,1T2,T2T2260e,2,;T2220e,2()T3,T3T3180e,,;T3150e,pHpHpH715,,;pH11(6min),,,,0170m,:2180m,1#2#(55e,),,2,1#2#(35e,),,,PLC,2211烟气净化及余热利用系统工艺流程:;;1212烟气净化及余热利用系统特点(1)2,1,,950e,,,,,,,,(2),,,,,(3),,,,,,()39200612246110tPh,,(T1=950e,T2=560e,58e),T3=167e(4),,(5),,,SO26313%(6),(7),,,(8)4;,,(9),,,,PLC,,,3311环境效益和社会效益1,SO2,1()Pe10130P(m3#h-1)2645030090P(mg#m-3)3613102514SO2P(mg#m-3)8251026610P-1P(kg#h-1)95156017648514tPaSO2P(kg#h-1)2118281007018tPa,48514tPa,SO27018tPa,,,,,SO2,,,40200612246312经济效益170A,95(kW#h)Ph,2250Pd;NaOH50kgPd,100Pd;2,150Pd;15,320d,600Pd;100Pd;3200Pd,,60e160~200t180t60e,15e1315t,200Pt,2700Pd,4411冲天炉顶部阀门设置,,,;,,,,,,,412系统材质的确定,,,:;;;;;SO2413烟气自然冷却300e,,300e,,,414烟气余热利用,,,,415管道热膨胀补偿与风管固定活动支架,,,,,416冲天炉烟气对系统的腐蚀性,,,,,,,,,,,,417系统的自动控制/0,,,47103913(0379)[e-mail]@scivic.com.cn2006-06-1641200612246ofbiologicaltreatmentprocessandhydraulicdesigntoascertainrelativekeyparametersinSBRprocess.KeywordsSBRprocess,nitrogenremovalanddesignREDUCTIONOFEXCESSSLUDGEPRODUCTIONBYAEROBIC-SETTLING-ANOXICPROCESSZhongXianboYeFenxia(26),,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,AbstractTodeterminewhetheraerobic-anaerobiccyclecanbeusedtoreducesludgeproductioninbiologicalwastewatertreatment,aerobic-settling-anoxic(ASA)processwhichisamodificationofconventionalactivatedsludgebyinsertingasludgeholdtankinthesludgereturnlinebetweentheaerationtankandthesecondaryclarifierwasstudiedtoinvestigatethereductionofexcesssludgeyield.Itwascomparedthatthreeprocesseswithdifferentsludgeretentiontime(515,716and1115h)inthesludgeholdtank,bywhichtheexcesssludgewasreducedby33124%,22199%and13180%,respectively.TheseresultssuggestedthatitmightbeidealtoapplyASAprocesswith6~7hsludgeretentiontimetoreducetheexcesssludgeyield.Keywordsactivatedsludgeprocess,excesssludgereductionandaerobic-settling-anoxic(ASA)processANEXPERIMENTALSTUDYONTREATMENTOFMONOSODIUMGLUTAMATEWASTEWATERBYHYDROLYTICACIDIFICATION-SBRPROCESSYanJin(29),,,,,,,,,,,,,,,,,,AbstractItisdescribedanexperimentalstudyonmonosodiumglutamatewastewatertreatmentbyhydrolyticacidification-SBRprocess.TheexperimentalresultsshowthatCODCrandNH3-Nremovalratesofthewastewaterareover92%,thetimeofhydrolyticacidificationstageandSBRare8hand6h,respectively,andthewatertemperatureis20~25e.TheseresultsdemonstratethathydrolysisandacidificationaspretreatmentmeanscanenhanceefficientlythebiodegradabilityofmonosodiumglutamatewastewaterandtheCODCrandNH3-Nremovalratesofthewholetechnology.Keywordshydrolyticacidification,SBRandmonosodiumglutamatewastewaterSTUDYONDECONTAMINATIONOFSUSPENDEDSEDIMENTINWATERBYHYDROPHYTESGuoChangchengWangGuoxiangYuGuohua(31),,,,,,,,,,,,,,,,,,,,,,,,,,,,AbstractBasedonspecialurbanenvironmentalproblem,ecologicalphysicalmodeofdecontaminationforwaterwithsedimentisbuiltwithCyperusalternifolius,Gladiolushybridus,Vallisneriaspiralis,Ceratophyllumdemersum,HydrillaverticillataandVallisneriaspiralisofawetland.Theresultindicatesthattheplantecosystemofthewetlandhasdifferentdecomtaminationeffectonthewaterbodywithdifferentamountofsuspendedsediment;andthewetlandplantswiththebestdecomtaminationeffectareCeratophyllumdemersum,Hydrillaverticillata,Vallisneriaspiralis,GladiolushybridusandCyperusalternifolius.Thesedimentswithdifferentparticlesizesedimenthavedifferentresultswhentheypassthroughthehydrophytesecosystem.Keywordshydrophytes,ecologica-lphysicalmode,suspendedsediment,adsorptionandparticlesizePROCESSSELECTIONINDESIGNOFFOURSEWAGETREATMENTPLANTSINLICHUANCOUNTYL™YongjunChenShuicaiLiuPingbo(33),,,,,,,,,,,,,,,,,,,,,,,,,,,AbstractDesignofsmallsewagetreatmentplantshouldholdthefeaturesofsafety,stabilityandconcision.Itisanalysedtheprocessselectioninthedesignofpre-anaerobicoxidationditchforfoursewagetreatmentplantsinLichuanCountry.Whichmayprovideexperienceforrelevantdesignsbyengineers.Keywordsmountainarea,pre-anaerobicoxidationditchandsewagetreatmentplantIN-DEPTHCOGNITIONONCONVENTIONALUNITANKPROCESSLeiMingLiLingyunSuXiboetal(35),,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,AbstractHowtoimprovetheefficiencyofTPremovalisthecontrolledtargetofconventionalUNITANKprocess.OnthebasisofthestudyonoperationandexperienceinmanagementofUNITANKprocess,itwasanalyzedtheanaerobicspace,timeandinlethydro-typeofUNITANKreactor,operat