炼焦煤气固流化移动床调湿分级工艺研究

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1、大连理工大学硕士学位论文炼焦煤气固流化-移动床调湿分级工艺研究姓名：张雨申请学位级别：硕士专业：化学工程指导教师：于才渊20080601炼焦煤气固流化一移动床调湿分级工艺研究CokingCoalMoistureControlwithParticleSegregationinFluidizedMovingBedAbstractCoalmoisturecontrolisthemodemtechnologytoimprovecoalqualityanddecreaseconsumption．Inthisprocessmainlyusethewasteheatin

2、stalledheatersto山ycoal，makethecoalmoisturefrom10％to6％．inordertoreducethermalcokingcokeconsumptionandimprovingthequalityofthecoke，alsoensurethecontinuousstabilityofcokeovenoperations．砀estudyofthesubjectisthelatestgenerationofcoalmoisturecontroldeviceforrawmaterialsinafluidizedbedco

3、alwithinhumidity，andthroughtheresearchofparticlesflowinginafluidizedbed，wecallcompletetheparticleclassification，andrealizetheintegrationprocessofbothmoisturecontrolandparticleclassification．Thefirstsectionbysmallcokingcoalfluidizedbedequipmentisforthefluiddynamicsandexperimentalst

4、udyfromflowandtemperaturefield①inspectingoperationgasvelocity，particlediameteroftheresistancetopressureonthebedandthebedheightoftheimpact，accordingtodifferentgrainfluidizationofthecoal·eokingcoalparticles，theeffectiveflowofthescopeandcorrespondingbedheightisdetermined，thenecessary

5、informationoftheexperimentaldesignisprovided②inspectingthechangesofoperationgasvelocity，temperatureofcoalparticlestothedryingprocess，thetimeofprocesswhenthewatercontentofcoalparticlesdeclinefromtenpercenttosixpercentshouldbecontrolledin30s～40s．itiSprovedthatfluidizationdryingmetho

6、disfasterthanothers，Fluidizedbedtestingequipment，designedinsecondstudyisapilotstudytodeterminetheprogressdata、Ⅳi廿lgivenimportsofgasandtemperatureconditions．Byregulationoftheoperationofgasvelocity，Coalmoisturecontentdeclinetoabout6percent，andthedryingtimeisonly30s：thecoalparticlecl

7、assificationiSabout40percent，materialintothecoalcrusherisabouthalfreduced．TlliStechnologyisfeasible．n圮industrialapplicationWasoperatedsuccessfullyonOctober1．2007inJinanIronandSteelGroupCo．Ltd．Throughformerstudy，thisstudyofaddingouterenforcetotheflowfieldisofgreatvalue．Sotestequipm

8、entissmalltransformed，stirringdev