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炼铝炉用耐火砖的请求

炼铝炉的炉衬破坏首要是因为铝液的渗入和腐蚀形成的。内衬普通利用黏土耐火砖、高铝砖、刚玉莫来石砖等,也可接纳高铝质耐火浇注料、耐火可塑耐火资料。

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炼铝(lv)加工工艺(yi)首是主产地钝化铝(lv),后来(lai)将钝化铝(lv)电解法成金屬铝(l𓆏v),止住炼制(zhi)、脱氢、破坏外理,原(yuan)本铸组(zu)成铝(lv)锭。炼铝(lv)炉(lu)灵活运(yun)用炉(lu)窑(y☂ao)(yao)示例有良多,个比方折(zhe)射炉(lu)、转(zhuan)(zhuan)底炉(lu)、感到孤独炉(lu)、焙烧炉(lu)、转(zhuan)(zhuan)反展转(zhuan)(zhuan)窑(yao)(yao)等(deng)。

反射炉的非任务层用耐火纤维毡和黏土隔热耐火砖建造,也可接纳高铝耐火浇注料预制块。熔池任务层普通接纳氧化铝含量大于75%的高铝砖,也能够用氧化铝含量为80ꩲ%的高铝质耐火浇注料。冶炼高纯铝时,熔池的任务层🐓宜接纳高纯莫来石砖、锆英石砖或刚玉砖。

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转底炉的非任务层接纳黏土隔热耐火砖,也可用轻质耐火浇注料或制成预制块。任务结接纳含铝量大于55%的致密黏土耐火砖或高铝砖

改(gai)变方向展(zhan)转窑划分成(cheng)加温带(dai)(d🍬ai)、烧(shao)(shao)成(cheng)带(dai)(dai)和空(kong)气冷却水带(dai)(dai)。烧(shao)(shao)造区的(de)任何环境温度不要高(gao)于1200摄(she)氏(shi)。烧(shao)(shao)成(cheng)带(dai)(dai)的(de)任何层(ceng)用(yong)高(gao)铝砖、磷酸(suan)聯系高(gao)铝砖等砌体。空(kong)气冷却水带(dai)(dai)的(de)任何层(ceng)受(shou)烧(shao)(shao)成(cheng)废料的(de)破损(sun)过大,亦是(shi)除高(gao)密度黏(nian)土耐(n♔ai)火砖外(wai),很(hen)好应(ying)用(yong)高(gao)铝高(gao)耐(nai)磨砖。

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