The coking pilot test was carried out by using a 300 kg test oven to study the effect of coal moisture and bulk density on coke quality.The result shows that under the test conditions,the change of coal moisture has little effect on the quality of coke and appears tiny regularity.Only by increasing the bulk density of blend coal,M40 does not change much,however M10 and CSR are both improved obviously.When both moisture and bulk density are changed,some obvious relationship are found with the cold strength,hot strength and the particle size of coke.

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