钢渣制型煤工艺条件优化

Dong Soo Lee, HuiChang Chae, Tae Jun Park
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引用次数: 0

摘要

韩国的钢铁产业依赖进口铁矿石和煤炭等原材料。这些原材料对全球钢铁行业的成本、生产率和质量竞争力有重大影响。为了确保钢铁企业的竞争力,有必要减少对原材料的依赖。这可以使用高铁含量的副产品来实现,这主要是由钢铁工业产生的。这些副产品以非常细的粉末形式存在,当直接用于工厂工艺时,它们可以作为粉尘分散。粉尘的分散对环境有负面影响,并可能导致原材料的损失。为了能够利用各种含铁副产品,有必要将它们以较大的集料形式进行预处理,如颗粒和压块。有几种方法可以实现这种聚合。有两种生产型煤的方法:使用热型煤,它提供额外的热量来生产型煤,或者使用冷型煤,它不使用热量。研究了利用含铁副产物生产冷型煤的方法。考察了不同生产条件下的成煤率和成煤强度。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Optimization of Briquette Manufacturing Conditions Using Steel Sludge
Korea depends on the import of raw materials such as iron ore and coal for the steel industry. These raw materials have a major impact on the cost, productivity, and quality competitiveness in the global steel industry. To secure the competitiveness of steel companies, it is necessary to reduce the country’s dependence on raw materials. This can be achieved using byproducts with a high Fe content, which are primarily generated by the steel industry. These byproducts are available in the form of a very fine powder, which can disperse as dust when used directly in plant processes. Dust dispersion has a negative impact on the environment and can lead to the loss of raw materials. To enable the use of a wide range of Fe-containing byproducts, it is necessary to pretreat them in the form of larger aggregates such as pellets and briquettes. There are several methods to achieve such aggregates. There are two ways to produce briquettes: using a hot briquette, which supplies additional heat to produce briquettes, or using a cold briquette, which does not use heat. A method for producing cold briquettes using Fe-containing byproducts was investigated in this study. The yield ratio and briquette strength were examined under various manufacturing conditions.
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