论文部分内容阅读
针对以往开采过程中出现的掘进工艺复杂,施工速度慢的问题,七一新发煤业通过改良爆破、支护等关键工序,优化掘进工艺流程,提高了掘进速度,缓和了采掘紧张关系。
In view of the complicated digging technology and slow construction speed that occurred in the past mining process, QI Xinfa Coal Mine improved the tunneling process by improving the key processes such as blasting and support, improved the speed of excavation and relaxed the tension of mining.