鋼渣和熔渣配料在預分解窯上煅燒硅酸鹽熟料若干問題的研究

1、河北理工學院碩士學位論文鋼渣和熔渣配料在預分解窯上煅燒硅酸鹽熟料若干問題的研究姓名：潘奎勇申請學位級別：碩士專業(yè)：材料學指導教師：楊克銳宓振軍20040215河北理工學院碩士學位論文AbstractThereactionmechanismsandthetechniquesusingtherawmixproponionedfromthesteelslagandthemeltingslagtobumsilicateclinkerinthep

2、recalcinatorkiInwerestudiedTheresultsshowthatthebumabilityoftherawmixisenhancedandtheconsunleofeoalisreducedandthesoundnessofcementisuptogradeallthesalncevenifthecontentofmagnesiaintheclinkerreaches55％tllatgoesbeyondthel

3、imitseriouslywhentheironpowderissubstitutedbythesteelslagandthemeltingslagThusitcallbeseenthatitisfeasiblethatthesteelslagandthemeltingslagareusedtoproducethesilicateclinkerintheprecalcinatorkiln，whichhasbeenprovedtoposs

4、essthegreateconomicbenefit，thesocialbenefitandtheenvironmentbenefitthroughthepracticeinJidongcementgrouplimitedliabilityBytheexperimentofburnability，sinterpoint，XRDandDTA，ithasbeenshownthatthesteelslagcan’tacceleratemede

5、compositionofCaC03andthesolidphasereactionandthereasonsthatthebumabiStyofrawmixcanbeenhancedliemostlyintheexistenceofdiversiforillmicroelementsthatcanreducethesintertemperature，atthesametimeC3Sinthesteelslagcanplayarolea

6、scrystalseedsintheclinkerburningThemeltingslagcanacceleratethedecompositionofCaC03andthesolid—phasereaction，andreducethesintertemperatureeffectivelyduetothemicroelementsthatexistinthevitreousforrnBesides，themicroelements

7、candecreasetheactivationenel’gYofreactioningreatextentThereforethemeltingslagisabletoimprovetheburnabilityofrawmixmoreeffecfivelythanthesteelslagBecausethemeltingslagintroducesalotofmagnesiathecontentofmagnesiaintheclink

8、erwillexceedthenationalstandardBntitisshownbymeansofthehighpressuresteamtestthatthesoundnessbadnesswillnotappearThecausationmostlyeonsistsinthatthemagnesiaexistsas也evitreousfoITninthemeltingslagwhichbringsabeutmereaction

9、coursetodifferfromthatwhenthemagnesiaisinduetedbylimestoneanddolomiteThusthepericlasecrystaldoesnotappeareasilyandmuchmorelikelythemagnesiaissoliddissolvedintheclinkermineralsorinthevitreousfonn，Besidesowingtothecoolingr

10、ateof也eclinkerintheprecalcinatorkihiisfasterthanthatintheordinaryrotarykiInorintheverticalkiIn，thecrystalparticleswillalsobeundersizeevenifthepericlasecrystalcomesintobeingThereforethesoundnessofcementisnotaffectedgreafl

11、y，andeventhongllⅡ1econtentofmagnesiaintheclinkerreach55％thesoundnesswiththehipressuresteamtestiseligibleWhentherawmixproportioningusingtheindustrialwasteiscarriedthrough，themorethealkaliisinductedthelowertheratioofS／Risd

12、epressedwhichlcadstheslump10SSseriouslyInordertoelevateS／Rintheclinkerproperly，whichisintherangeof054)7bestofall，themoreamountofsulphurisintroducedintotheclinkerintheprocessofburningItcanbringafavorablerolefordepressingt