外文文献原告和译文

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1、北京化工大学北方学院毕业设计—外文文献原稿和译文北京化工大学北方学院NORTHCOLLEGEOFBEIJINGUNIVERSITYOFCHEMICALTECHNOLOGY（2011）届本科生毕业设计外文文献翻译题目：半干法烟气脱硫—反应器的优化学院：理工学院专业：应用化学学号：070105131姓名：谷东亮指导教师：孟献民老师教研室主任（负责人）：顾明广老师2011年5月18日16北京化工大学北方学院毕业设计—外文文献原稿和译文外文文献原稿和译文原稿ABSTRACTTheTURBOSORPprocessisadr

2、yfluegascleaningsystemtoremovepollutantslike,,mercury,heavymetals,dioxinsandfurans,anddust.Themainprincipleofthisprocessistobringfluegasintoanintensivecontactwithcalciumhydroxide,openhearthfurnacecoke,waterandrecirculatedmaterialintheTurboreactor,whichoperate

3、sasacirculatingfluidizedbedinthemanneroffastfluidization.In2000AE&EstartedadevelopmentandresearchprojectwiththeaimtosimulatethefluiddynamicsoftheTurboreactorwithacommerciallyusedCFDcode.Startingwiththedevelopmentoftheone-phasesimulationtheexistingreactorgeome

4、trywasoptimizedconcerningthepressureloss.Afterthisstepresearchactivitiesonatwo-phasesimulation(gasandsolidflow)basedontheconceptofEuler-Lagrangeshouldhelptobetterunderstandthemechanismofsoliddistributioninthereactorandtocalculatethepartofthepressuredropofthef

5、luidizedbeddependingonthesolids.Amongotherthingstherecentresultsofthestart-upphaseofaTURBOSORPFGD-plantwithoptimizedreactordesignaredescribedinthispaper.AsahighlighttheTurboreactorpressurelosswasreducedbyabout20percent,comparedtoaconventionalreactordesign.INT

6、RODUCTIONToday,theapplicationofdrytechnologiesforthecleaningoffluegasesofpowerstationsorwasteincinerationplantsisconsideredasthestate-of-the-arttechnology.Duetotheuseofthefluidizedbedtechnologyandoftherecirculationofthepartiallyreactedproductithas16北京化工大学北方学院

7、毕业设计—外文文献原稿和译文beenpossibletoeliminateprejudicesagainstthistechnologywhichwerebaseduponabadutilisationofthesorbentandlowseparationperformances.Becauseoftheconsiderablyreducedinvestmentcoststhereisanimportantmarketpotentialforthedrytechnologyinadditiontothewett

8、echnology.Especiallyinthefieldofretrofittingand/orrehabilitationofexistingplantsthedrytechnologyplaysanimportantrole.Presently,variouscompetitorsofferdryprocessesonthemarketofwhichthediff