The incoherent low-ash coal is used in coal blending test for coking and applied in the practical production in order to develop coal resource for coking and reduce production costs.

• 为了扩大炼焦用煤资源和降低生产成本,采用不粘结低灰煤进行配煤炼焦试验并应用于实际生产,焦炭的指标稳定,降低了购煤成本。