| 摘要 |
A process for the production of cokes and productive facilities therefor, which enable the production of cokes having improved strength through the adjustment of particle size distribution of coal used as the raw material, while inhibiting lowering in the productivity and increase in the cost. Specifically, a process for the production of cokes, characterized by comprising the classification step of classifying at least a part of the coal used as the raw material of cokes into coal of larger particle size and coal of smaller particle size, the first pulverization step of pulverizing the coal of larger particle size, the first blending step of blending the pulverized coal obtained in the first pulverization step with the coal of smaller particle size, the second pulverization step of pulverizing the resulting blend, and then the charging step of charging the pulverized coal obtained in the second pulverization step together with the rest of the coal used as the raw material into a coke oven. It is preferable that coal (X) of higher hardness and coal (Y) of lower hardness be used and at least a part of the coal (X) be classified into coal of larger particle size and coal of smaller particle size.
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