Coking property refers to the ability of coal to form coke during dry feeding. Under the coking conditions of a coke oven or simulated coke oven, bituminous coal has the ability to form coke with certain block size and strength. Coking property is the main indicator for evaluating coking coal. In formulating the national standard for coal classification in China, the strength and coal powder rate of coke obtained from zookg test coke ovens are used as coking indicators. Among coking coal, coking coal has the best coking properties. Coke with good coking properties has high strength