Aimed at roak spoil system condition and main problems of mine surface of Yixin Coal Company LTD.,Hegang Mining Industry Group Company,the necessity of system reform and concrete plan are put forward.

• 针对鹤岗矿业集团公司益新公司矿井地面排矸系统现状及存在的主要问题,提出了系统改造的必要性和改造具体方案,取得了较好效果。