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1、CEMENTDE-NOxAPPLICATIONINEUROPE歐洲水泥工業(yè)脫硝應(yīng)用介紹1)TheEuropeanCementIndustry歐洲水泥工業(yè)現(xiàn)狀ManufacturingTechnologies生產(chǎn)技術(shù)Capacityfrom1000to5500t/d處理能力從1000到5500t/dSNCRtechnologyforNOxreductionisapplicableonthesetechnologiesbothdryandwet.SNCR脫硝技術(shù)同時(shí)適用于干法和濕法Technology
2、技術(shù)類別PreHeaterTowers預(yù)熱塔PreCalcinerTowers預(yù)分解窯LepolGates立波爾窯Longkilns長(zhǎng)轉(zhuǎn)窯DENOXSTATUS行業(yè)脫硝現(xiàn)狀283CementManufacturinglines(2009)283家水泥生產(chǎn)線ThemajorityoftheplantsinWestEuropeareequippedwithSNCRtechnology西歐大部分水泥廠都配備SNCR系統(tǒng)Firstinstallationsmade20yearsago.20年前安裝了第一套
3、SNCR系統(tǒng)OneSCRinstallation目前僅有一套水泥SCR系統(tǒng)2)TheEuropeanNOxLegislation歐盟關(guān)于Nox排放的相關(guān)規(guī)范EUdirectiveforCementPlantsnotusingwasteasfuel以非廢棄物作為燃料的水泥廠的歐盟指令Forplantsusingdrytechnologywithheatrecovery工廠采用干法（帶余熱回收）1200mg/Nm3as24hoursaverageForplantsusinghalfdrytechnol
4、ogy工廠采用半干法1500mg/Nm3as24hoursaverageForplantsusingwetordrytechnologywithoutheatrecovery工廠采用濕法和干法（不帶廢熱回收）1800mg/Nm3as24hoursaverageEUdirective2000/76/EUforWasteincineration inCementPlants 2000/76/EU以廢物焚燒水泥廠的歐盟指令FORPREHEATER&PRE-CALCINERTECHNOLOGYForold
5、erplantsusingmaximum40%wasteasfuel使用40%以下廢物作燃料的現(xiàn)有工廠800mg/Nm3as24hoursaverageLocallymorestrictrules當(dāng)?shù)馗鼑?yán)格的法規(guī)Fornewerplantsusingmaximum40%wasteasfuel使用40%以下廢物作燃料的新建工廠500mg/Nm3as24hoursaverageLocallymorestrictrules當(dāng)?shù)馗鼑?yán)格的法規(guī)Forallplantsusingmorethan40%waste
6、asfuel使用超過(guò)40%以上廢物作燃料的工廠Localrulespointingat200mg/Nm3as24hoursaverage局部地區(qū)更嚴(yán)格規(guī)定24小時(shí)的平均值是200mg/Nm3TypicalTypeofWasteused使用廢物的典型類型1.Tires輪胎2.Plasticfluff塑料絨毛3.Wasteoils廢油4.Animalfat動(dòng)物脂肪5.Householdwaste生活垃圾6.Wood木材FutureTrend未來(lái)的趨勢(shì)Longkilnsshallapply800mg/N
7、m3長(zhǎng)轉(zhuǎn)窯應(yīng)采用800mg/Nm3PreheaterandPrecalcinerTowersshallapply500mg/Nm3預(yù)熱器和預(yù)分解窯應(yīng)采用500mg/Nm3Locallymorestrictrulespointingat200mg/Nm3局部更嚴(yán)格的法規(guī)是200mg/Nm33)TheSNCRProcessinCementPlants水泥廠SNCR工藝Tworeagentscompare兩種還原劑對(duì)比Ammoniumhydroxide(NH4OH)氨水Reactionismoredir
8、ect反應(yīng)更直接HigherNOxreductions高效的去除率Lowerammoniaslip較低氨逃逸Higherchemicalreactionefficiency較高的化學(xué)反應(yīng)效率Ureasolution((NH2)2CO)尿素Reactionmorecomplex反應(yīng)更復(fù)雜Formationoflaughinggas（N2O）形成笑氣(溫室氣體）LowerNOxreductions較低的去除率Higherammoniaslip較高的氨逃逸HigherCOformatio
