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富氢竖炉直接还原用氧化球团矿制备研究

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针对钢铁行业气基竖炉工艺对球团矿质量的高要求,为降低高品质铁精矿的进口量,进而降低气基竖炉用高品质球团矿的生产成本,通过对国产高品位铁精矿进行细磨处理,提高细度,并与性能较好的复合膨润土搭配使用,同时控制好球团焙烧的工艺过程,可以生产出指标满足气基竖炉直接还原使用的高品质球团矿.
Research on Preparation of Direct Reduction Oxidized Pellets for Hydrogen-rich Shaft Furnaces
The gas-based shaft furnace process in the steel industry has high requirements for the quality of pellets. In order to reduce the import volume of high-quality iron concentrate and thus lower the production cost of high-quality pellets for gas-based shaft furnaces, domestic high-grade iron concentrate is finely ground to improve its fineness, and is used in combination with high-performance composite bentonite while the process of pellet roasting is well controlled, which can produce high-quality pellets that meet the requirements for direct reduction in gas-based shaft furnaces.

hydrogen richshaft furnacepelletizingdirect reduction

刘庆华

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中冶北方(大连)工程技术有限公司,辽宁 大连116600

富氢 竖炉 球团 直接还原

2024

矿业工程
中冶北方工程技术有限公司,中国冶金矿山企业协会

矿业工程

影响因子:0.282
ISSN:1671-8550
年,卷(期):2024.22(4)