工業(yè)廢棄物在蒸壓硅酸鹽制品中的應(yīng)用研究.pdf

1、華南理工大學(xué)碩士學(xué)位論文工業(yè)廢棄物在蒸壓硅酸鹽制品中的應(yīng)用研究姓名：陳中華申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：材料學(xué)指導(dǎo)教師：蘇達(dá)根20030614AbstractTheapplicationofindustrialwasteflyash，phosphogypsum，steelslagandtheminewasteoftroiliteonautoclavedsilicateproductswerestudiedinthispaperFlyashha

2、sbeenwidelyusedastheblendingcomponentofcement，theadditionofconcrete，sinteringbrick，buildingblockandsomeothernewbuildingmaterialproductsButbecauseofthedeferencebetweencoal’Sproducingareaandburningsystem，thechemicalcomposi

3、tionandperformancevariedgreatlyTheinfluencesofflyash’SLOIandcalciumcontentonautoclavedsilicateproductshavebeenwidelystudiedFryashusedinsilicatebuildingproducthasenactedthetradestandardandraisedthetechnicalrequirementsuch

4、asfineness，thewatercontentofnormalconsistency，LOI，theproportionsofSi02andS03Inthispaperthekeypointwillbeputontheinfluenceofalumina—silicaratioonthecompressionstrengthofautoclavedsilicateproductsItisprovedthatthecorundumw

5、hichforminflyashwithhighalumina—silicaratioisdifficultteactwithlimeinautoclavedcondition，andvitreousphasearelittleSothecompressionstrengthofautoclavedsilicateproductsisdecreasedconsumedlyThiskindofflyashisdisadvantageous

6、whenwasusedinautoclavedsilicateproductsAnditissuggestedthatthetechnicalguidelineshouldberelatedwithaluminasilicaratioThen，thiskindofflyashcontaininghighproportionofAl203cangetgoodutilizationPhosphogypsum，aindustrialwaste

7、，hasbeenusedincementasretarderButitwillprolongthesettimeofcementSoPhosphogypsumneedbetreatedbeforeutilizationInthispapertheinfluenceofwhichonthecompressivestrengthisstudied，phosphogypsumwhichnotbetreatedissubstitutedforn

8、aturalgypsuminautoclavedsilicateproductsItisprovedbyexperimentsthatthedissolutionrateofphosphogypsumisfasterthannaturalgypsum’SNotonlythestrengthofautoclavedsilicateproductscanbeimprovedbutalsophosphogypsumwillbemoreeffe

9、ctivelyutilized，whenphosphogypsumissubstitutedfornaturalgypsumManypeoplehavestudiedthatsteelslagwasutilizedinautoclavedsilicateproductsandtheminewasteoftroiliteutilizedasparentmaterialofcementItisainnovationthataddingste