%0 Journal Article
%T ReasonableAerationTapSettingofBurnedOilSandParticlesinStandpipeofaFluidizedBed
%A 王子健
%A 曹鑫
%A 卢春喜
%J 过程工程学报
%D 2015
%X AlargescalecoldmodelapparatusofCFBriserreactorwasestablishedaccordingtothemethodofdirectlyfluidizedcokingoilsand.Bychangingthepositionofaerationorificeandamountofaerationair,thesolidsfluxwasmeasuredandthelocationofsensitiveaerationorificeaboveabutterflyvalvewasfixed(50mmabovethevalve).Atlast,theamountofaerationairforallocation(1~1.5m3/h)wasknownandthedistancebetweeneachpairofconsecutivegeneralaerationorifices(about3m).Andapredictionequationforestimatingtherelationbetweentheamountofaerationairandthesolidsfluxwasestablishedbasedonexperimentaldataandtheoreticalanalysis,whichwasQ=6.17Ws0.8529(D/Do)2(L/Lo).Thepredictionwasingoodagreementwiththeexperimentaldata.Byusingamulti-pointpressurepulsationinstrumenttomeasurethepulsationatdifferentaltitudesofthestandpipe,thepressurepulsationcurvesatdifferentaerationorificesunderdifferentamountsofaerationairweredrawn.ByFouriertransformation,itwasfoundthattherewasnoobviousdominantfrequencywhenoilsandflowedthroughthecirculationstandpipe,andeachfrequencyseemedtomakeequalcontributiontothepressurepulsation.Theperiodicalconcentrationfluctuationoftheparticlesdidnotexistinthecirculatingstandpipe,andthepulsationintensitywassmall.
%K oilsand
%K circulatingstandpipe
%K aerationorifice
%K pressurefluctuation
%U http://www.jproeng.com/qikan/Cpaper/zhaiyao.asp?bsid=18032