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耐火浇注料中的硅灰所具备的基本性质

时间:2019-05-22 15:43 作者:艾米点击:次

  ZAINAIHUOJIAOZHULIAOZHONG,GUIHUIKEYISHUOSHIQIBIXUDEWAIJIAJI。NAIHUOJIAOZHULIAOTIANJIAGUIHUIBUDANNENGGOUTIGAOCHANPINDEZHIMIXINGNENG,HAINENGGOUZENGQIANGJIAOZHULIAODELIUDONGXING,YOUQISHIZAIZILIUNAIHUOJIAOZHULIAOZHONG,GUIHUIFAHUILEGUANJIANDEZUOYONG。

  GUIHUIYOUHENDUOJIAOFA,LIRUSiO2FENCHEN、BUDINGXINGSiO2FEN、HUOXINGSiO2FEN、ERYANGHUAGUIHUIHUOZHELENGNINGSiO2HUIDENG,TASHIYELIANGUITIEHEJINHUOJINSHUGUISHI,SHOUJIQILAIDEDEFUCHANPIN。ZAIDIANHULUNEI,SHIYINGYUEYU2000℃WENDUXIABEITANHAIYUANCHENGGUI,TONGSHIYECHANSHENGLESiOQITI,SUIYANQIYICHULUWAI。SiOQITIYUDAOKONGQISHIBEIYANGHUACHENGSiO2,JININGJUCHENGFEICHANGWEIXIAOQIEJUYOUHUOXINGDESiO2KELI,JINGSHOUCHENZHUANGZHISHOUJI,JIDEDAOGUIHUI。GUIHUIYOUQIXIANGSiOYANGHUAHOUCHENDIANERCHENG,SHUYUWUDINGXING(FEIJINGTAI)SiO2,JIEJINGSiO2DEHANLIANGHENSHAO,YIBANXIAOYU1%。

  GUIHUICHENGYUANQIUXING,YANSECONGHUIBAIDAOHUISE,BIZHONG2.2-2.3,SONGSANRONGZHONG150~700kgm3,RONGDIAN1550~1570℃。KELIJIXI,PINGJUNLIJING0.15μmZUOYOU,BIBIAOMIANJI15~30m2g,YINERJUYOUJIGAODEFANYINGHUOXING。GUIHUIBURONGYUSHUI,DANRONGYUJIANZHONG(KOH,NaOH),YUQINGFUSUANSHUIRONGYEFANYINGSHENGCHENGYIZHONGYOUHAIQITI(SiF4)。GUIHUIBUKERAN,DANQUESHINENGHUXIDEFENCHEN(d5μm),YUJIEJINGDESiO2WEIFENTIXIANGBI,SHIRENDEXIFEIBINGDEWEIXIANXINGJIAOXIAO,ZHENGQUECAOZUOHECUNCHUGUIHUISHIWUHAIDE。RUTU1GUIHUIDEDTAQUXIANSUOSHI,GUIHUIJIAREDAOGAOYU500℃SHI,WUDINGXINGDESiO2ZHUANBIANCHENGJIEJINGSiO2,JIFANGSHIYINGHELINSHIYING,ZEKENENGZAOCHENGXIFEIBING,DUIRENMENYOUHAI。SUIWENDUSHENGGAO,JIEJINGSiO2HANLIANGTIGAO。

  WUDINGXINGSiO2DEJIEGOUMOXINGQIJIEGOUNEIBUYOUMAOXIGUANTONGDAO,BIAOMIANNENGHUANMANDIJINXINGLIZIHUA,JIYOUDUANJIAN,YUSHUIHOUYIXINGCHENGSi-OHJIAN,YEHUIZAISHUIZHONGLIJIECHENGSiO-HEH+,JISi-OHJUYOUJIAOQIANGDEQINSHUIXINGHEHUOXING。ZAIJIAOZHULIAOZHONG,YOUYUGUIHUIBIAOMIANYOUOHJICUNZAI,JIYOUQINGJIANJIEHE,KENENGFASHENGXUNINGQINGXIANG。RANERZHEIZHONGQINGJIANJIEHEJIAORUO,SHAOJIAJIANQIELIJIUHUIZAIDUFENSAN,ZHANXINGJIANGDI;DANGJIANQIELIJIECHUHOU,SiO2WEILIJIANYOUXINGCHENGNINGJU,ERSHUIFENZIGUDINGYUSiO2NINGJUTIDESANWEIWANGZHUANGJIEGOUDEKONGJIANZHONG,ZHANXINGYOUZENGJIALE。YEJIUSHISHUO,GUIHUIJUYOULIANGHAODECHUBIANXINGHEYIDINGDENINGJUXING。

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