双蓄热式加热炉燃烧系统控制策略的研究-申江

《》319　20109修改稿收到日期:2010-01-29。第一作者申江,男,1982年生,2007年毕业于西南交通大学智能控制与仿真工程研究中心系,获硕士学位,工程师;主要从事工业自动化系统的研究设计工作。ResearchonControlStrategyforCombustionSystemofDouble-regenerativeHeatingFurnace　　(中冶赛迪工程技术股份有限公司,重庆　400013)　:,。,,,;-。,、、。:　　　　:TP273　　　　:AAbstract:Withthetechnologicalprocessofcombustionsystemofheatingfurnaceasfoundation,thecontrolstrategyoflarge-scaleddouble-re-generativeheatingfurnaceisanalyzed.Inthismethod,fullydistributedcontrolchangeovercontrolisadoptedforalltheburnersoffurnace;anddouble-crosslimitcontrolisappliedintemperaturecontrol,aswellastheair/fuelratioiscorrecteddynamically,thefurnacepressureandsmoketemperatureareconsideredcomprehensivelyforsmokeexhaustcontrol;inaddition,undersmallload,opening-flowcurveisintroducedforopti-malcontrol.Thepracticeshowsthatthemethodoffersexcellentcontrolforfurnacetemperatures,pressureandsmokeexhausttemperatureundervariousoperatingconditions.Keywords:Double-regenerative　Controlstrategy　Fullydistributed　Flow　Temperature0　1000℃,,。,,,、。,、、、,、,[1]。2150,,。1　、,(、)、(、)、(、)(、)8,70(35)。,70,(、)。、、4。,4(2)。。,,2,。/,。2　1,7。、、。,。,,,。33　　,DOI:10.16086/j.cnki.issn1000-0380.2010.09.003PROCESSAUTOMATIONINSTRUMENTATIONVol.31No.9September2010图1　预热段上部工艺仪表流程图Fig.1　PIdrawingofupperpartofpreheatingsection　　,,[2-3]。2.1　、(),,,,,[4]。,,-,。1(A,F),:①`A',`F';②():`A',Td1,,;③`F',,,Td2;④`F',;⑤`F'②～④,`F'`A',。2。图2　蓄热式燃烧工作时序图Fig.2　Timingofregenerativecombustion、/,。()(),。HMI[5]。,,,,,,1～2,。2.2　,。。,L2、,L1。L1-34　　,《》319　20109。,,,。,,,。,,α,,。,,-,。,,(),,。3,。图3　预热段上部炉温控制流程图Fig.3　Flowchartoftemperaturecontrolforupperpartofpreheatingsection2.3　。,,,,,;,,;,,。,,,[6-7]。2,、、,。,,,。,。HMI(K1～K4),。,、;、、。(、)、、4,。HMI,()。、。PID,4,,,。,,-。()4。图4　预热段炉压(排烟)控制流程图Fig.4　Flowchartofsmokeexhaustingcontrolofpreheatingsection,。、。HMI,、。,,-。5。35　　,PROCESSAUTOMATIONINSTRUMENTATIONVol.31No.9September2010图5　排烟温度控制流程图Fig.5　Flowchartoftemperaturecontrolofsmokeexhausting3　S7-400,CPU416-2DP,14ET200MI/O,Profibus。I/OPLC。2,HMI,InTouch10.0,DAServerPLC。,、、,。,、,、,“”,,。-,,。4　,1。,,,±5℃,10～35Pa,140～180℃。、,,,,。[1].[M].:,1983.[2],,,.[J].,2003,25(2):42-44.[3].[J].,2006,26(4):35-36.[4],,.[J].,2006,13(2):105-107.[5],,,.[J].,2003,25(3):11-15.[6],,.[J].,2007,26(5):43-47.[7],,,,[J].,2008(3):17-19.(32)图5　输出比例示意图Fig.5　Therelationshipofoutput4　,IGCC,,。,Tricon,,,IGCC。、/,。[1].-(IGCC)[M].:,1996.[2],,.IGCC[J].,2002,17(6):551-554.[3]PikeAW,DonnemS,DixonR.Dynamicmodelingandsimulationoftheairblowngasificationcycleprototypeintegratedplant[C]∥Interna-tionalConferenceonSimulation,1998:354-356.[4],,,.IGCC[J].,2001,14(2):27-31.[5].IGCC[D].:,2002.[6].[D].:,2001.[7].IGCC[D].:,2004.[8],,.PID[J].,2003,24(6):10-14.36　　,