The quality of metallurgical coke is improved by means of controlling caking index in the coking plant of Taiyuan Iron & Steel Complex. The function of caking index in production and its relationship with ash of coal for cokemaking are discussed in the paper.%太钢焦化厂通过控制粘结指数指标提高了冶金焦炭的质量。文中讨论了粘结指数在生产中的作用及与炼焦煤灰分的关系。
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