低温建筑技术Dec.2022No.294-建筑材料研究及应用DOI:10.13905/j.cnki.dwjz.2022.12.015烧成制度对焚烧飞灰—渣土陶粒强度影响ONTHESTRENGTHOFMUCKCERAMSITEMIXEDWITHFLYASHFROMMUNICIPALSOLIDWASTEINCINERATIONWITHDIFFERENTSINTERINGSCHEMES郑懿婧,杨舜,段志鹏,杨余迪,王泽钰,耿健(浙大宁波理工学院,土木建筑工程学院,浙江宁波315100)ZHENGYijing,YANGShun,DUANZhipeng,YANGYudi,WANGZeyu,GENGJian(SchoolofCivilArchitectureandArchitecturalEngineering,NingboTechnologyUniversity,ZhejiangNingbo315100,China)【摘要】为降低环境污染并对生活垃圾焚烧飞灰进行资源化利用,文中以生活垃圾焚烧飞灰、渣土为主要原料,粉煤灰为校正组分,制备出一种生活垃圾焚烧飞灰—渣土陶粒。采用单因素试验方法研究预热温度、预热时间、焙烧温度、焙烧时间4个因素对陶粒强度的影响,采用正交试验进一步探究最适条件。结果表明在原材料配合比为生活垃圾焚烧飞灰40%、渣土30%、粉煤灰30%,预热温度500℃、预热时间25min、焙烧温度1140℃、焙烧时间10min时,制得陶粒强度性能最好,为后续对陶粒的进一步研究提供参考。【关键词】生活垃圾焚烧飞灰;渣土陶粒;单颗粒强度【中图分类号】TU521【文献标志码】A【文章编号】1001-6864(2022)12-0066-04Abstract:Toreduceenvironmentalpollutionandrecyclemunicipalsolidwasteincineration(MSWI)flyash,acom⁃positematerialconsistingoftheashandmuckceramsitewasprepared.Theeffectofpreheatingtemperature,preheat⁃ingtime,calcinationtemperature,andcalcinationtimeonthestrengthofthematerialisstudiedbysinglefactorex⁃periment,thenorthogonaltestsareusedtofurtherexploretheoptimumconditions.Theresultsshowthatthestrengthofmaterialisthehighestasthemixratioofrawmaterialsis40%MSWIflyash,30%muck,and30%coalash,andthesinteringschemeis500℃preheatingtemperature,25minpreheatingtime,1140℃calcinationtemperature,and10mincalcinationtime,providingthereferenceforfurtherresearchonthematerial.Keywords:MSWIflyash;muckceramsite;singleparticlestrength0引言建筑渣土是施工过程中所产生的废弃物。近年来由于我国城市化进程加速,施工过程中产生大量建筑渣土,渣土可用来回填路基或制备砖块,但渣土资源化利用率较低,目前主要以堆存处理为主。同时,随着我国人民生活水平的提...