The plastometer thickness of No. 2 coking coal and 1/3 coking coal increased dramatically by adding modified coal tar pitch, meanwhile, the coal caking indexes increased dramatically.
随着改质沥青的加入，焦2煤和1/3焦煤的胶质层厚度显著增加，焦2煤的粘结性指数也显著增加。
The determined result differences of the caking index of the same coal sample under different test conditions are discussed.
探讨了不同试验条件下同一煤样粘结指数测定结果的差异。
Caking property is an important technological characteristic for coal. It is an main reference index for metallurgical coal.
粘结性是煤的一项重要的工艺性质，是炼焦用煤的主要参考指标。
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