鋼渣和熔渣配料在預(yù)分解窯上煅燒硅酸鹽熟料若干問題的研究

1、河北理工學(xué)院碩士學(xué)位論文鋼渣和熔渣配料在預(yù)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(qǐng)學(xué)位級(jí)別：碩士專業(yè)：材料學(xué)指導(dǎo)教師：楊克銳宓振軍20040215河北理工學(xué)院碩士學(xué)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