上海吴泾第二发电厂脱硫工程项目的设计和研究

上海交通大学硕士学位论文上海吴泾第二发电厂脱硫工程项目的设计和研究姓名：余佳琳申请学位级别：硕士专业：热能工程指导教师：周月桂;叶勇健20081101--GGHGGHGGH:/GGHTHEDESIGNANDRESEARCHONTHEDESULFURIZATIONPROJECTINSHANGHAIWUJINGNo.2ELECTRICPOWERPLANTAbstractBasedonthestatisticalanalysis,theSO2emissionvolumeofChinahasbecomethehighestintheworldforasequentofyears.TryingtotreatandcontroltheemissionofSO2isveryimportantforthemanagementofatmospherepollutionandprotectionofenvironment.So,howtocontroltheemissionofSO2hasbecomethehottopicintheresearchofenvironmentprotectionindustryandelectricpowerindustry.ThepaperisaimtohaveadetailsystematicalandoperabledesignandresearchonthedesulfurizationprojectintheShanghaiWujingNo.2electricpowerplant.Firstly,basedonthetechnicalsummaryofworldwidedesulfurizationindustryandcurrentstatusinChina,itprovidestechnicalfoundationforthepaper.Secondly,afteranalyzingtheexternalconditionoftheprojectsuchasthefieldcondition,natureconditionanddesulfurizationislanddesigncondition,themaindesignprincipleoftheproject,theoutlineanddisposalofthedesulfurizationislandandthedesulfurizationprocessareproposed.Itnotonlycomparesandanalyzesthedifferentprocess,butalsohasadeepresearchonthewastewatersystem.Thirdly,besidesthedesignofmainsystem,thepaperalsodoesdesignandanalysisonimportantsubsystemsuchasthermalautomationsystemelectricsystemstructuresystemheating/ventilation/airconditionsystemhydraulicsystemandfirefightingsystem..Basedontheabovedesignandresearch,thepaperemphasizesonthecomparisonofwith/withoutGGHmethodinthelimestone-plastermoisturedesulfurizationprocess.Itnotonlyanalyzestheprocesscomparioninvestmentcomparison,butalsohasdetaildiscussiononthegasemissionconditionantisepsisdesignofthechimneyandtheinfluencetotheenvironment.Afterfinishingthecompletecomparion,itdecidestousewithoutGGHprocessinthisdesign.Inaddition,combinedtheagecharacterofKnowledgeEconomyandthepracticalrequirementoftheengineeringdesign,thispaperintroducestheideaofknowledgemanagementandsomeusefultoolstothedesignoftheElectricityplantdesulfurizationproject.Thesekeymodelsandtechnologiescreateadvantagefortheprojectdevelopment.Inconclusion,fromactualconditionsandintegratingtheorywithpractice,thepaperdesignsthedesulfurizationprojectfortheShanghaiWujingNo.2powerplant.Astheresultofthedesignandresearchthepaper,itissystematichierarchicaloperableandinnovative.Theresultofthepaperisaccordingtotherequirementofeconomicdevelopmentanddesulfurizationindustrydevelopmentofthecountry.KEYWORDS:FGDdesulfurizationprocesswith/withoutGGHantisepsis20081182008118200811811.1200220021926.61562.0364.6200222.490[1]1000[2]1200316.6715.7983413[3,4]112003/Mt/a84020080180702101579/53.112.75.111.44.413.31005085151995SO212002Fig1SO2EmissionChangeHistory1387Mt19951377MtSO21723.46Mt19.48Mt90SO223.723.523.4620.918.5719.9519.4819.480102030SO2Emission/Mt/a199519961997199819992000200120022SO2SO22SO2514252Fig2DistributionofSBasedontheCharcoalUtilization22002[2]5036050MW11924MW6531262475/23228157732833SO267.35166.8424.3111.8128.64217.35286.3731.2612.4621.491/320022.6487001.21GB13223-1996GB13223-2003GB13223-199665t/h65t/h[5,6,7]GB13223-1996IIIIIIII3IIIII52004113IIIIIIGB13223-199619928119928119961231199711GB13223-2003199612311997112004112004111.IIIIII400mg/m312550kJ/kg800mg/m30.5%1200mg/m32.II2GB13223199632005112100mg/m3GB132231996201011400mg/m33.I4IGB132231996III2005112100mg/m32010111200mg/m3GB1322319962[2]SO25001010SO2CFBCPFBCIGCC20607020080FGD2500FGD90FGD1980----53--LIFAC(4)[8][9][10][11]480,,,,,9580-90759075Ca/S()1.11.3-1.421.2N/A()()()100MW+75[12][13]90----6SO290--[14][15][8][16][17]FGDSO2[18]FGD[19]--Westmoreland[20]28[21][22]--[23]ZnOXRDZnO10ZnO[24]KR7[25][26]Bromley[27]SO2SO2[28]--pHPIDPIDpH[29][30]1.31[9]2600MW[2006]6#1#2[2006]8232600MW2300MW24600MW2600MW2600MW600MW20002001600MW2032007200881.41(///)FGD2--95#3#4GGHDCS6kVIII6kV6kV6kV550060003--GGH--9GGH/GGH1.5--GGH1.6SO2102.1[31]1[32]--80--[33]-GGHGGHpHMgO2/[34]//[35][36]LIFAC/LSDCDSIACMARCFBGSA11CFBCFB--3200SO29810FGDSO2FGDMgSO3MgSO4-7H2O40.5%SO23902070FGD/302.22.2.1----121/430SO256[37]5LIFAC6(STM)(STM)(STM)()(IHI)(IHI)--I--II----()133m/sL/G825L/m3515m3m/s25m3420030050200kPa10m/s1.33.0mm110sCaSO3-48min586kPa1molSO21molO2pHpH17m99.92.2.278[37]7FGD341.6m5m610mL/G1015L/G1325L/G148(L/m3)(m/s)(Pa)10250.53.050020001.02.73.80.56.050015001.05150.55.050015000.80.55.01.03.050030001.10.31.230100300090002.5101002050-2002.5353.02006001.55342001.21.5/m24.5/m26/m24/m22.5mm2.4m22025m1000Pa1220mFGD1.21.41.31.8801520203090802.37030[38]15220t/hSO219981SO2SO2SO2SO2””””””””””SO2SO2SO2SO2SO21SO2SO2SO290SO22005SO2200010”SO220SO2[38]abSO22.8MW0.7MWcSO2SO2167MW80%7MW75(14MW)dSO2(14MW)1.2.(14MW)()SO2e15(pHSO2)SO22SO2SO2199891998200291998-2002SO2199819992000200120022011.32169.72460.52817.63130.01091.512491277.91364.81423.234583847.54210.74210.74510.72678265127102675253120030050070080078111418SO233.5*2822.420.119.2SO2mg/m30.1200.0800.0710.0640.06719982002555.6%30.4%30.4%17--7200218220014.48600SO2199833.5200219.2SO20.120mg/m30.067mg/m344.2%SO2197319831991SO219992001SO21998DB11/109-199820082002DB11/139-200210102550200111900mg/m30.5