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研究了无烟煤中配加20％～50％的当地瘦煤的混合煤的着火点、爆炸性和燃烧性能。结果表明，在攀钢现有条件下，喷吹这种混合煤是安全的，有利于提高系统的磨煤效率和煤粉的燃烧性，从而扩大喷煤量和降低喷煤成本。
The ignition point, explosiveness and combustion performance of mixed coal with 20% ~ 50% local lean coal in anthracite coal were studied. The results show that it is safe to inject the coal mixture under the existing conditions in Panzhihua Iron and Steel, which is beneficial to improve the coal grinding efficiency and the combustibility of pulverized coal so as to expand the coal injection volume and reduce the coal injection cost.