煤氣化灰渣烘烤球磨活化技術(shù)研究

打開(kāi)文本圖片集

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

煤氣化灰渣是煤化工生產(chǎn)中，在氣化爐內(nèi)的煤漿顆粒經(jīng)霧化燃燒被提取有用化工成分后產(chǎn)生的微粒，這些微粒進(jìn)行碰撞燒結(jié)后，隨著氣流夾帶進(jìn)入冷水浴，經(jīng)過(guò)激冷破碎后形成，它包括粗渣（氣化爐底渣）和細(xì)渣（飛灰及黑水濾餅等）兩部分。（剩余4973字）