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1、全國中文核心期刊斬癯建廉柑撕中國科技核心期刊丁琪1,楊贊中1,劉敏1,趙田田2,吳奇陽1,周薛霞1‘(1.山東理工大學(xué)材料科學(xué)與工程學(xué)院,山東淄博255049:2.山東和悅生態(tài)新材料科技有限責(zé)任公司,山東淄博255190)摘要:以建筑陶瓷廢渣為主要原料制備硅酸鹽蒸壓磚,探討了骨料和石灰摻量、成型壓力和成型用水量對制品性能的影響,通過正交試驗確定了原料最佳配合比,利用XRD、SEM和EDS研究了制品強度的形成機理。結(jié)果表明,物料配比、成型用水量及成型壓力皆對制品性能有一定的影響,按m(陶瓷廢渣粉):m(石灰):m(骨料):m(
2、引晶劑):m(水玻璃)=50:15:33:2:0.5配料,加18%水?dāng)嚢杈鶆颍?5MPa下壓制成型,飽和蒸汽1.2MPa下恒溫6h制備而成的蒸壓磚,其抗壓強度達44.5MPa;原料中的SiO:與CaO水熱反應(yīng)生成托貝莫來石、CSH(B)和C—S—H凝膠等水化物,包覆在固體顆粒表面或填充在顆粒之間,相互交織連接形成了堅實的膠結(jié)體,由此構(gòu)成了材料的整體強度。關(guān)鍵詞:建筑陶瓷廢渣:蒸壓磚:正交試驗;骨料;成型壓力;成型用水量中圖分類號:TU522.1文獻標(biāo)識碼:A文章編號:1001—702X(2017)04—0039—05Rese
3、archonpreparationofsilicateautoclavedbrickwitharchitecturalceramicwasteresidueDINGQil,YANGza犯危。耐,LIUMinljZHA0Tiantian2,形UQiyang',ZHOUXuexial(1.SchoolofMaterialsScienceandEngineering,ShandongUniversityofTechnology,Zibo255049,China:2.ShandongHeyueEcologicalNewMateria
4、lTechnologyCo.Ltd.,Zibo255190,China)Abstract:Silicateautoclavedbrickwaspreparedbyusingarchitecturalceramicwasteresidueasrawmaterials.Theeffectsofaggregateandlimecontent,formingpressureandformingwatercontentonthepropertiesoftheproductswerediscussed.Themix—ingratioof
5、rawmaterialswasdeterminedbyorthogonalexperiment.AndthestrengthoftheproductsformingmechanismWasstud—iedbyXRD,SEMandEDS.Itwasshownthatmaterialratio,formingwatercontentandformingpressurehadacertainimpactontheperformanceofproducts.Thesampleswerepreparedbycompoundingmat
6、erialsinaccordancewiththemassratioofceramicwasteresidue:lime:aggregate:seedcrystal:waterglass=50:15:33:2:0.5,addingwater18%andunder25MPapressureforming,andbyautoclavingunderhydrothermalconditionswithsteampressure1.2MPafor6h.ThecompressivestrengthofautoclavedbrickWa
7、s44.5MPa.ThehydrothermalreactionbetweenSi02andCaOintherawmaterialsproduceshydratessuchastobermofite,CSH(B)andC—S—Hgel,coatedonthesurfaceofthesolidparticlesand]orfilledinbetweentheparticles,interweavingtoformasolidce—mentedbody,thusformingtheoverallstrengthofthemate
8、rial.Keywords:ceramicwasteresidue,autoclavedbrick,orthogonalexperiment,aggregate,formingpressure,formingwatercontent0引言硅酸鹽蒸壓磚是以硅質(zhì)和鈣質(zhì)原料為主,加水和骨料等,經(jīng)