叠型顶梁支架在倾向长壁综放工作面的应用

Application of stacked beam support in long wall fully mechanized working face

为了解决摸顶掘进、摸底回采工艺两端头存在梯形煤损失的问题,冀中能源峰峰集团新屯矿在工作面端头使用叠型顶梁支架,加大了对摸顶掘进、摸底回采工作面梯形煤的回收。实践表明,叠型顶梁支架使用后,端头由原先的丢煤高度3 m减低至1 m,累计可多回收煤量1.2万t。同时,减小了顶板维护难度,确保了支护强度,提高了端头支护的安全系数,具有应用推广价值。

In order to solve trapezoidal coal loss mining close to roof and floor,Xintun Mine of Jizhong Energy Group adopted stacked beam support to enlarge the trapezoidal coal recycle.The practice showed that the loss coal height reduced from 3 m to 1 m after the new support,with an additional 1 2000 t coal,the roof maintenance difficulty decreased,the top support was improved,with promotional value.