鋁電解槽用干式防滲耐火材料的開發(fā)及防滲機理研究

1、分類號UDC密級學號04210218移粉多呈歹矢事碩士學位論文堡生堡擅圍王基墮渣盟叢絲整絲開發(fā)及防滲機理研究岳建設學科名稱：撾墊堂學科門類：王堂指導教師：壑墼星副塾援申請日期：壟Q壁2生三旦AbstractTitle：ExploitdrydammingmixtureuseforaluminlumelectrolysiscellandstudyonthemechanismofpreventpenetrateMajorMaterialNam

2、e：JiansheYueSignature：Supervisor：AssociateProfJingzhongZhaoSignature：AbstractUsed85aluminabauxiteasmaterialusedvibrationpiledmethodtogetthecompactpriedproportionofthreegradesparticletosettlethepenetrateproblemofelectroly

3、siscellstudyonthegranularityproportionouthesilencean#e，anal)sistheeffectofhightemperaturesinteradditiononrangeofsintertemperature，testedthesinterintensityandporosit)rofmixture，testedtheresistanceerodeofmeltedaluminiumand

4、electrolytebysilenceerodemethodAnalysisthesinteredulixtureanderodemixturebyXRDandmetallograph，resultofmechanismofpreventpenetrateandprescriptionResultshow：皿emixturecomposedwiththreegradescangetcompactpriedwhencoarseparti

5、clecontentrangfrom35～60％middleparticlecontentrangfrom20～35％，tinyparticlecontentrangfrom20～30％themoretinyparticlecontentinmixturethebiggerofcilencean#eaddedwaterintomixturecandecreasethepileddensitydeeplywhenlitterwaterco

6、ntentinmixtureboricacid、clayandKfeldspar弱sintertheinitialsintertemperatureis700℃、800℃and800℃，butsinterattemperaturerangfrom900～1000℃，theclaydecomposedecreasethestrengthofmixturesodiumhexametaphosphatereactwithMgOproducea

7、chainsubjectincreasethestrengthofmixtureThesintertemperaturerangefrom1100to1300℃whenmicrosriiconasshaterabove1300“Cmicrosiliconwasmeltedthel南rosityincreasetherefractorinessdecreaseMagnesiaandkyaniteasexpansionaddition，th

8、eeffecttemperatureisl300℃and14IDo℃Kfeldsparcallreactwithelectrolyteproduceahminatefluorideandnephelinewithhi#viscositythesesubjectcanresistanceelectrolytepenetrateanderodeMeltedquartzcanbemeltedwhentouchwithelectrolytebe

9、comeviscous#assresistanceelectrolytepenetrateanderode1nhedryaluminiumbauxitemixturewithadditionaddedCandecreasethecOStoffactory，it’SpropertysuperthanhomeprductKeywords：drydammingmixture；shapingproperty；sinterlngproperty；