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无烟块煤是重要的工业原料，无烟煤生产企业的效益主要体现在无烟块煤的产量和比例上。分析了造成无烟煤块率损失的原因，介绍了晋城局为提高无烟煤块率所采取的技术措施，提出应采取合适的破碎机械和合理的破碎方式，综合降低块率损失。
Anthracite lump coal is an important industrial raw material, and the benefits of anthracite coal production enterprises are mainly reflected in the production and proportion of anthracite lump coal. The reasons for the anthracite coal block rate loss were analyzed. The technical measures adopted by the Jincheng Bureau to increase the anthracite coal block rate were introduced. It was proposed that appropriate crushing machinery and reasonable crushing methods should be adopted to reduce the block rate loss.