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ID:36651215
大小:7.95 MB
页数:85页
时间:2019-05-13
《海水烟气脱硫技术及其在火电厂的工程应用》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、西南交通大学硕士学位论文海水烟气脱硫技术及其在火电厂的工程应用姓名:张军申请学位级别:硕士专业:环境工程指导教师:王文勇;谷声文20071001西南交通大学硕士研究生学位论文第Ⅱ页AbstractAtpresent,morethan90%ofgreatpowerplantunitstakeWet-limestoneFGD(WLST-FGD)process,thisarticleintroducesanotherseawaterFGD(SWFGD)processwhichalsobelongstowetFGDtechnologyandisdevelopedbyDongfangb
2、oilerindependently.WedevelopedthisnewprocessandapplyitintotheFGDprojectforxiamensongyu4x300MWpowerplantbyreferingforeignseawatertechnology,absorbertypeandaccordingtotheseawater’Sfeatureofweakalkalescenceandsbsorbingacidgas.ThisseawaterFGDprocessutilizetheseawaterfromcondensatorasabsorbenttO
3、getridofS02emissionedfrompowerplant,andtheacidseawaterafterFGDprocessisdischargedintooceandirectly,thereisnoanyadditiveduringFGDprocess.Thissystemtakesprayemptyabsorber,optimizingtheairflow,fullymixingthefluegasandseawaterSOastocnsurehilghefficiencytransferringandmorethan95%De—Soxefficiency
4、;thefeedingofsprayseawaterdependsonboththemotherpipesandcellpipeswhichcanimprovetheloadadaptabilityofFGDsystem勰wellasensRl'eDe-Soxefficiencyandsaveenergy.TheacidseawaterfromFGDabsorberisdichargesbygravity,therecoversystemforseawatermainlytakeaerationpoolandcontroUingthep8valueofseawatermore
5、than6.8bYprovidingreasonableaerationtimeandgasflow.Thisprocesshasbeenputintoxiamensongyu4x300MWpowerplantandtherunningtestresultshowsthatthisprocessissuccessfulandreachesadvancedlevelintheworld.ComparingtopresentwidelyusedWLST-FGDprocess,seawater-FGDprocesshastheadvantageofhighDe·Soxefficie
6、ncy,lowerrunningcost,lowerinvestment,simplesystem,110additiveandnobyproductetc.itisabetterchoicefordomesticandsoutheastasiaprojectswhichisclosedtoseasidetotakeseawater-FGDprocess.Keywords:Powerplant,seawater—FGD,independentdevelopment,engineeringapplication’西南交通大学学位论文版权使用授权书本学位论文作者完全了解学校有关保
7、留、使用学位论文的规定,同意学校保留并向国家有关部门或机构送交论文的复印件和电子版,允许论文被查阅和借阅。本人授权西南交通大学可以将本论文的全部或部分内容编入有关数据库进行检索,可以采用影印、缩印或扫描等复印手段保存和汇编本学位论文。本学位论文属于1.保密口,在年解密后适用本授权书:2.不保密√使用本授权书。(请在以上方框内打“4")指导老师签名.乞骣日期:砷,2·l,。聱孙协签,.利q●作b排≯沦:位期学日西南交通大学学位论文创新性声明本人郑重声明:所呈交的学位论文,是在导师指导下独立进行研究工作所得
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