300MW汽机运行中调节阀单阀与顺序阀切换问题

:20091110:(1971),,300MW金子印1,王党伟2,刘加合3(1哈尔滨汽轮机厂有限责任公司,哈尔滨150046;2洛阳伊川龙泉坑口自备发电有限公司,河南471300;3河南电力建设调试院,河南450052):1/,/,,:;;;:TK267:B:10015884(2010)03021803TheProblemAboutSwitchBetweentheSingleValveandtheOrdinalValveintheOperationfor300MWTurbineJINZiyin1,WANGDangwei2,LIUJiahe3(1HarbinTurbineComparyLimited,Harbin150046,China;2LuoyangYichuanLongquanPitheadGenerateElectricitySelfsupplyLtd.Henan471300,China;3HenanElectricPowerCommissioningInstitute,Henan450052,China)Abstract:ThispapercarryonthefirststepstudyonthemethodofswitchbetweenthesinglevalveandordinalvalveanditsworkconditionvarietyforyichuanunitNo.1,inordertounderstandexactlytheswitchbetweenthesinglevalveandtheordinalvalve,improvesafetyandcredibilityinswitchandavoidproblem.Keywords:harbinturbineLtd.;regulatevalve;switch0(2300MW)N300-16.67-537/537,DEH,,,,/!,!,:!,!200631,12,6,,137.4mm,,9(8),330mm,,0.9611,GV1/GV2∀GV4∀GV5∀GV6∀GV32,6,523Vo.l52No.320106TURBINETECHNOLOGYJun.201023,32/DEH,,,,,442.1(1),;(2),,;(3)!,!,,,;(4)GV;(5)!,,!;(6)5min~8min(),99.9%()0.1%(),2.2(1),;(2)!,,!;(3)!,!,,,;(4)GV;(5)!,,!,;(6)5min~8min(),99.9%()0.1%(),3/,NGH:N=f(G)=f(H)6,(),NGH:H0=K1H1+K2H2K1+K2=1,H1;H2;H0;K1;K2;,K1=1,K2=0;,K1=0,K2=1;,0K11,0K21,K1+K2=1,HN,/,,,4%,,3%,,,1.5%4/4.1(1),2193:300MW,,:,,,(p1),,,;,,,,,,(2),,:GG=p1p1(3),,(4),,,,,4.2,,();,10%,(),(5):N=f(G0)=f(F#V)5,,,:,p0,p1,ht;,,,,,p0,ht,,,,,,:(1),;(2)(12),()5/5.1,(1):(1):N=G0#h=,h,G0(2)G=f(p),,;(3),;(4),(5),,(67)6-5.2,(2):(1),;(2)1G,t/hMWp,MPaT,∃p,MPaT,∃()p,MPaT,∃p,kPaT,∃7832549.894912.783230.7272-3.41817642549.684822.723170.69272-3.41812G,t/hMWp,MPaT,∃p,MPaT,∃()p,MPaT,∃p,kPaT:∃5081736.44351.812880.46273-2.321805241706.574751.843160.476273-2.32183(225)22052,600MW,,5min~10min,MFT,,,,[2,9-11]3,600MW,,,DEH,OPC,,,,,1000MW[1].660MW[J].,2007,36(2):126-128,135.[2],.600MWDEH[J].,2006,25(3):21-23.[3],,.[J].,2006,48(2):124-126.[4],,,.600MW[J].,2003,18(4):375-377.[5],,.600MW[J].,2008,29(8):25-29.[6],,.[J].,2002,21(1):36-39.[7].600MW[J].,2005,24(2):41-44.[8],,,.1[R].:,2008.[9],,,.4[R].:,2008.[10],,,.2[R].:,2008.[11],,,.1[R].:,2008.[12].[J].,2000,3,(1):21-23.[13],,.660MW[J].,2001,10,(10):20-21,51.[14].[J].,2005,38(7):37-41.[15].300MW[J].,2004,25(9):15-18.[16],.[J].,2001,5(4):13-18.[17],.[J].,2000,33(7):84-88.[18],,,.OPC.[J],2005,1(6):38-42.[19],,.700MW[J].,2000,(3):65-67.[20],,.700MW[J].,2001,30(2):46-48,58.(220)7-5.3(1):,,,;(2),;(3),;(4),6(1)/,,,,,,,,,,(2)!,3/44,(3)!,2253:600MW