PCS7系统在2300MW机组湿法烟气脱硫中的应用

2720065PCS72300MWApplicationofPCS7SysteminTheWetFGDof2300MWPowerUnit(,200237):/,PCS7,2300MWProfibus,,,/::TQ9:BAbstract:Accordingtothetechnicalrequirementsoflimestone/gypsumwetFGD,acontrolsystemforwetFGDof2300MWpowerunitsisde2signedbyadoptingSiemensPCS7processcontrolsystemasdevelopingplatform.Hardwareconfiguration,networkconfigurationandsoftwarepro2grammingofthiscontrolsystemareintroducedindetail.ThesystembasedonProfibusandseveralredundantmeasuresareincluded.Thepracticeshowsthatthesystemisstableandreliable,andtherequirementofthemultiplevariablescontinuousprocesscontrolinthewetFGDisfulfilled.Keywords:ControlsystemRedundantcontrolMultiplevariables0:,-,,,80%,,(95%)PCS7,DCSPLC,,SIMATIC,,Profibus,DCSPLC,,,,1/:,,,;,:,1:,GGH,SO2SO3HClHF,(CaSO42H2O),,,,1Fig11Internalstructureofabsorptiontower,,531PCS72300MW,©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(),,;,,4655,GGH80,,2,,1#,2#,1#2#,1#2#,1#2#,3AS2400CPU(CPU417-4H),PCS73,1#,2#,,,22Fig12Systemstructure211,,Windows2000,PCS7V610SP2,,WinCCRuntimeCP1613OSM,,,,,,,212S7-417H32ET200M,S7-417HOSM,CPUCP(AS417-4-2H),MPIProfibus2DPET200MI/OProfibus2DPAS-400,:I/O,ET200MI/O,ET200MI/O2IM153,2Profibus2DPAS-400,IM153,IM153,,213,,Profibus2DP,,Y2Link,PLCS7-300,631PCS72300MW,©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(10/100Mbps);I/O,,Profibus2DP,TCP/IP,10/100MbpsOSM,,,,,4SIMATICManager,,,CPU,I/O,,,WinCC,33Fig.3ProgrammingflowchartI/O,PCS7,WinCC,WinCC411/,,PID,CFC,CFCCFC,,PIDCTRLPID,,CTRLPID44CFCFig.4ImplementingcascadecontrolusingCFC(SFC),,CFC,,CFCSFCCFCSFC,412WinCCPCS7PCS7WinCCWinCC(window_control_center)WinCC,5Fig.5AbsorptiontowersystemWinCC(140)731PCS72300MW,©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:,,3,ADAM5510,,,PID,,1,,.ADAM5510PID[J].,2003,24(1):9-11.2,,.MCGS[J].,2003,11(1):84-86.3,,,.VC++[C]//,2005:122-125.4.[J].,2002,10(11):754-764.5,,.VB[J].,2003,10(5):339-459.:2006-03-17,,1977,2004,,;(137)/,,,55,,,,90%,1.[M].:,200412.WinCC[M].:,200413,.[M].:,20041:2006-03-27,,1983,;041ADAM5510,©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.