粒度和陈化时间对制砖煤矸石泥料可塑性的影响

374Vol137No1420094CoalScienceandTechnologyApr.2009彭凯1,薛群虎1,邓少侠2(11(),710055;21,237012):对4类5种不同粒径制砖用煤矸石泥料的基本性能和工艺特性进行了研究主要分析了临界粒度为011,012,015,018,110mm等5种煤矸石粒径和1,2,3,4,7,10d等6种陈化时间与制砖泥料可塑性指数之间的关系试验结果表明:粒度从110mm降低到011mm时,泥料的可塑性指数达到原来的1~3倍;1~3d陈化时,泥料可塑性指数随陈化时间增加较大;陈化时间超过3d,泥料可塑性指数变化不大:煤矸石;塑性指数;粒度组成;陈化时间:X705:A:0253-2336(2009)04-0121-03InfluenceofParticleSizeandAgingTimeonPlasticityIndexofCoalGanguePugforBrick-makingPENGKai1,XUEQun-hu1,DENGShao-xia2(1.DepartmentofMaterialsScienceandEngineering,StateKeyLaboratoryofwesternArchitectureandTechnology(CultivatingBase),Xi.anUniversityofArchitectureandTechnology,Xi.an710055,China;2.InstituteofbasedExperimentCenterofWanxiCollege,Lu.an,Anhui237012,China)Abstract:Inthisarticle,westudyonthebasicperformanceandoperationalcharacteristicofthe4typescoalganguepugplasticityindexof5differentparticlesizesforbrickmaking.Themainstudyonrelationshipofplasticityindexamong5kindsofparticlesizeto011mm,012mm,015mm,018mm,110mmand6differentagingtimeof1day,2days,3days,4days,7days,10days.Theresultsshowthatthemaximumsizereducedfrom110mmto011mm,thepugwaiexpectedtoreachtheoriginalplasticityindexof1to3times.Thepugplasticityindexwasexpectedwiththelargeincreaseintheagingtime1to3days.Whiletheagingtimemorethan3days,thepugplasticityindexwasexpectedlittlechange.Keywords:coalgangue;plasticityindex;particlesize;agingtime:/0(2006BAF02A29-C),,,,,,,[1],,21,,4,Ñ,Ò,Ó,ÔPSC125@150PSC60121DOI10.13199/j.cst.2009.04.126.pengk.01620094煤炭科学技术37@100XPC-200@1254mm,;,GJ-Ò110mm,,,0(RY)11()%//(kJ#kg-1)%/SiO2Al2O3TiO2Fe2O3CaOMgOK2ONa2OSO3Ñ1187841671012816225412520113118621790197014821010139014714121Ò111082136913422085011523178017351822121018111330124016512129Ó018385167817214294512537116012911230119010901180111010814127Ô112884117619717564817125121112741031154017411450128012815123,Ó(),(SiO255%~70%Al2O315%~25%Fe2O32%~8%CaO210%MgO3%SO31%)[2]221145(0~011,0~012,0~015,0~018,0~110mm)110mmB=60%B40%,,7~17,;,,[3],:,,[4]212,1,2,3,4,7,10d,3451d212/mm0~0110~0120~0150~0180~110Ñ1314211101914371196149Ò17191161181315881997108Ó71916138319221752129Ô71215109219821202101图1煤矸石粒度组成和可塑性指数关系曲线21,,110mm011mm,,122:20094;Ò,710817191,(Ip15),Ip1107;31153,21452158P(Laplace)[5]P=2RrcosH(1)R)));H)));r)))(1),,,,,,,Ñ,ÒÓ,336,2图2煤矸石泥料陈化时间与塑性指数关系曲线2,,4d,,3d,,,(),,,,,,[6]41)110mm011mm,1~32),,3d:[1],.[M].:,1997.[2],,,1[J].,2006(3).[3]1[J].,2008(4).[4],,1[J].,2003(1).[5]1[M].:,2003.[6],,.[J].,2002(6).:彭凯(1984-),,,,Te:l15802992340,E-mai:lpengkai999@yahoo1com1cn收稿日期:2008-12-01;责任编辑:代艳玲123