煤气化灰渣烘烤球磨活化技术研究

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NIE Qingke ，LI Huawei ， ZHANG Rihua1.2，WANG Qingjun ，LIU Shuangchen1 （1. China Hebei Construction & Geotechnical Investigation Group Ltd.， Shijiazhuang O5O2Oo， China； KeyLaboratory for Industrial Solid Waste Comprehensive Utilization of Hebei province，Shijiazhuang O5O2O0，China； 3.Geotechnical Engineering Technology Research Center of Hebei Province，Shijiazhuang O502O0，China） Abstract：Inordertoimprovetheactivityofcoalgasificationash，increasetheaysandscopeofresourceutlizationofcoalgsifiation ash，andachievehig-valueutlizationofcoalgasificationash，themethodofbakingballmillngscreeningisusedtotreatitThe particlesizedistributionandmaterialmorhologyofoalgasificationasheforendafteractivatioandatdiferentgindingtiswere analyzedtroughparticesizedistributioexperientsndSEMexperiments.Itwasfoundtattepartcsedirectlyectsteactiity ofcoalgasificationash，andthdistributioncharacteristicsofoalgasifcationashparticlescanafectteoverallcompactstackingof cementiousmaterials，therebydeterminingthemicrocompactnessofthehardenedbody.Theefectivenessofcoalgasificationash roastingballillngactivationtcnogasverfdtoughompressieadfexualtrngthtestsofoalgasifcationshddated limebeforeandfactivation.Teresultssowedtatthefexualandompresiestrenghofteaivatedcoalgasificationashiture was1.4＼～3.Otimeshigherthanthatofthenonactivatedcoalgasificationashhydratedlimemixture，provingthefeasibiltyof coal gasification ash activation technology.

Keywords：coal gasification ash；high value utilization；activation technology；geopolymer

0 引言

煤气化灰渣是煤化工生产中，在气化炉内的煤浆颗粒经雾化燃烧被提取有用化工成分后产生的微粒，这些微粒进行碰撞烧结后，随着气流夹带进入冷水浴，经过激冷破碎后形成，它包括粗渣（气化炉底渣）和细渣（飞灰及黑水滤饼等）两部分。（剩余4973字）