The coking coal of high-and-medium ash content is used by Yunnan Coal and Energy Co.,Ltd for coal blending in order to reduce cost.However,CSR dropped seriously due to high blending ratio of coking coal of high-and-medium ash content.Based on experience and small coke oven trial,reasonable blending ratio is defined,which also helps to consume the coking coal of high-and-medium ash content,and ensures CSR is no less than 66%.
关键词
中高灰炼焦煤/焦炭质量/配煤成本/配煤比
Key words
Coking coal of high-and-medium ash content/Coke quality/Coal blending cost/Coal blending ratio