Ventilation optimization method for underground multi-middle-section mining operation

• Main Authors: LYU YINGLEI, CHEN XIAODONG, FENG AN'AN, GUO XUNYING, LUAN DONGPENG, YU CHANGXIAN, HOU CHENGLU, ZHAO HONGKAI, LIU ZAITAO, XU HUAPENG
• Format: Patent
• Language: Chinese; English
• Published: 29.10.2021
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; MINING; SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS

The invention discloses a ventilation optimization method for underground multi-middle-section mining operation. The method comprises the steps that firstly, adjusting air doors are installed at air return shafts of two-wing systems of a middle (sub) section roadway in an operation area, an air wall...