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Yield and Quality of Coke Fractions from Batch with a High Content of Gas Coal
Coke and Chemistry ( IF 0.4 ) Pub Date : 2021-04-30 , DOI: 10.3103/s1068364x21010075
V. M. Strakhov

Abstract

In the present work, coke is produced from batch with a high content (60–80%) of gas coal, in semiindustrial and industrial conditions. The influence of the following factors on the coke yield and quality is investigated: the coke oven’s wall temperature; the coking duration and rate; the final temperature at the center of the charge; and the content of gas coal in the batch. The quality of individual size classes (>80 mm to ≤5 mm) in the coke is assessed on the basis of technical analysis, the mechanical strength, the reactivity, the electrical resistivity, and the pore structure. A coke sorting system that incorporates mechanical treatment is proposed. By that means, three coke classes are obtained: >40, 10–40, and ≤10 mm. The potential steel-industry demand for such classes is assessed.



中文翻译:

含气量高的批料的焦炭馏分的收率和质量

摘要

在目前的工作中,在半工业和工业条件下,焦炭是由含气量高(60-80%)的煤制成的。研究了以下因素对焦炭产量和质量的影响:焦炉的壁温;焦化时间和焦化率;装料中心的最终温度;以及批次中的气煤含量。根据技术分析,机械强度,反应性,电阻率和孔结构评估焦炭中单个尺寸等级(> 80 mm至≤5mm)的质量。提出了一种结合机械处理的焦炭分选系统。通过这种方式,获得了三种焦炭类别:> 40、10–40和≤10mm。评估了此类钢铁行业的潜在需求。

更新日期:2021-04-30
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