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CLEAN PRODUCTION AND SMELTING REDUCTION TECHNOLOGY
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作者 Wang Lixin, Xu Zhihong and Yang Zhangyuan (Laboratory of Computer Chemistry (LCC), Institute of Chemical Metallurgy, Chineses Academy of Sciences, Beijing 100080) 《化工学报》 EI CAS CSCD 北大核心 2000年第S1期159-162,共4页
Clean Production is the best method for iron-steel making industry to eliminate pollution thoroughly. In order to achieve this object, smelting reduction technology should play the key role. Furthermore, process integ... Clean Production is the best method for iron-steel making industry to eliminate pollution thoroughly. In order to achieve this object, smelting reduction technology should play the key role. Furthermore, process integration method can be used to solve the problem of residual gas utilization by integrating smelting reduction process with direct reduced iron unit, gasoline, methanol or dimethyl ether synthesis unit, etc. A new smelting reduction process has been proposed which can be constructed on the present plant site. Since this process can directly treat the lump coal and iron ore fines, it reduces st6ps necessary in traditional blast furnace process and Corex smelting reduction process. 展开更多
关键词 Clean production Smelting reduction process integration Multi-layer fluidized moving bed Coal gas utilization Blast furnace
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氧气底吹技术处理脆硫铅锑矿工艺原理及实践 被引量:4
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作者 辛鹏飞 《中国有色冶金》 CAS 2020年第4期28-31,共4页
脆硫铅锑矿冶炼多采用"沸腾焙烧-烧结-鼓风炉还原"工艺,该工艺技术成熟,但存在无法有效利用烟气中的SO2、烧结过程返料量大、环保通风要求高、鼓风炉还原过程能耗高等问题。中国恩菲提出采用氧气底吹熔炼-熔融渣直接还原工艺... 脆硫铅锑矿冶炼多采用"沸腾焙烧-烧结-鼓风炉还原"工艺,该工艺技术成熟,但存在无法有效利用烟气中的SO2、烧结过程返料量大、环保通风要求高、鼓风炉还原过程能耗高等问题。中国恩菲提出采用氧气底吹熔炼-熔融渣直接还原工艺处理脆硫铅锑矿,该工艺具有环保效果好、原料适应性强、有价元素回收率高、能耗低等优势。目前,该工艺已在处理脆硫铅锑矿领域应用,本文对工艺流程与原理,及实践中遇到的问题和应对措施进行了详细介绍。 展开更多
关键词 脆硫铅锑矿 沸腾焙烧-烧结-鼓风炉还原工艺 氧气底吹熔炼-熔融渣直接还原工艺 能耗 环保 有价元素回收
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