大型锅炉四角切向燃烧器射流偏转的原因分析

StudyofBurnerJetDeflectionintheTangentiallyFiredFurnaceofLargeCapacityBoilers(250002),:,,,AbstractTheoreticalanalysisandisothermalmodelexperimentswereconductedtostudytwomainfactors,theentrainmentofjetandtheimpingingef2fectofrotatinggas,whichledtojetdeflectioninthetangentiallyfiredfurnaceoflargecapacityboilers.Theresultscanhelptoimproveaerodynamicfieldinthefurnaceandprovidesomebasisforboilerdesignandretrofit.KeyWordsJetdeflectionEntrainmentTheimpingingeffectofrotatinggas:TK233.23:A:1007-9904(2001)04-0011-020,,,,,,,,[1]:,,,,,1,[2]:;1.1,,,,,,,(),,,,(),,,,,,,,,,,,,,,1.2,,:,,,;11SHANDONGDIANLIJISHU20014(120)©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,,:22.111(,),x:me=m0(0.32xb-1)(1-1)m0;,,us=me2A0=hbu0(0.32xb-1)2A(1-2):usA,A=xsin(-)hcos(1-3)=9.7[3],(1-2):us=bu02x(0.32xb-1)1sin(-)(1-4)(1-4),:ps=p2-p1=-12(us22-us12)=0u028(0.32-bx)21sin2(1-1)-1sin2(2-2)(1-5),(hPb),,,P,hPb,2.2,,,;,:dds=1b1v120v02(1-6),,,,223HG-2008P18.2-YM2,,(34)2120014(120)SHANDONGDIANLIJISHU©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.(6)(7)(8)(9),,,,,,;,;,,5.4,(:2001-06-05)(12)(Thring-Newby),,:=40:1P(Pa)(a)(b)3,,,1,,;2,,3:3,1,Pa,,,,,Pa4(1),P,,(2)[1],.,.1998,Vol.18,No1:34-37[2],.,.1982,No5:10-17[3]J.M.,N.A...,1979(:2001-01-03)4320014(120)SHANDONGDIANLIJISHU©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.