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首页> 外文期刊>Ironmaking & Steelmaking >Recycling of carbonaceous iron-bearing dusts from iron & steel plants by composite agglomeration process (CAP)
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Recycling of carbonaceous iron-bearing dusts from iron & steel plants by composite agglomeration process (CAP)

机译：通过复合聚集过程（帽）从钢铁厂循环含碳含铁粉尘

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A composite agglomeration process (CAP) is carried out to recycle the carbonaceous iron-bearing dusts generated from the Iron & Steel companies in order to reduce the environmental pollution caused by the hazardous dusts and make good use of the valuable elements contained in the dusts. In current study, all the dusts are first made into green pellets and used as one part of agglomeration feeds. Effects of the properties of the pelletised feeds on the agglomeration indexes of CAP and the mineralisation, metallurgical characterisation of the CAP products were investigated. It is found that the dust dosage is increased from 7 wt.% by traditional sintering process to 20 wt.% by CAP. Coke breeze consumption is reduced by 21.25 kgcoke/tproduct in the CAP with 20 wt.% pelletised feed proportion, indicating the carbon component in the dusts is effectively utilised. The mineralisation characterisations of CAP products are clarified by using optical microstructure and SEM-EDS analyses. Results also demonstrate that metallurgical performances of the CAP products are good and the CAP products are qualified for blast furnace burdens.
机译：进行复合聚集过程（帽）以再循环钢铁公司产生的含碳含铁粉末，以减少危险粉尘引起的环境污染，充分利用粉尘中所含的宝贵元素。在目前的研究中，首先将所有粉尘制成绿色颗粒，并用作聚集饲料的一部分。研究了颗粒化饲料特性对盖帽和矿化的凝聚指标，研究了帽产品的冶金表征。发现粉尘剂量从7重量％增加。通过传统的烧结过程％至20重量％。％盖子。焦炭微风消耗量减少了21.25千克/三丙酮，20重量％。％颗粒化进料比例，指示粉尘中的碳成分被有效地利用。通过使用光学微观结构和SEM-EDS分析，阐明了帽产品的矿化特征。结果还表明盖帽产品的冶金表演良好，帽产品有资格用于高炉负担。

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