Fully mechanized coal mining face system for improving recovery ratio of mining area

• Main Authors: ZHANG JINHU, LIU JIAN, QI YUHAO, YU XIANG, LI MINGZHONG, YUE NING, TONG YOU, SU LINJUN, MENG XIANGJUN, LIU XINHUA, LI TIJIAN, XU YONGXIANG, MA DUANZHI
• Format: Patent
• Language: Chinese; English
• Published: 06.11.2020
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; GALLERIES; LARGE UNDERGROUND CHAMBERS; MINING; MINING OR QUARRYING; SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS; SHAFTS; TUNNELS

The invention discloses a fully mechanized coal mining face system for improving the recovery ratio of a mining area. The fully mechanized coal mining face system comprises a first mining face coal pillar A, an air return way, recovery solid coal, a rubber belt conveying way, a next mining face coal pillar B and an auxiliary conveying way which are sequentially and transversely arranged, wherein acoal mining machine, a scraper conveyer, a large side protection plate reinforced hydraulic support and a hydraulic support are arranged behind the recovery solid coal; the reinforced hydraulic support is arranged at one side of the first mining face coal pillar A; the reinforced hydraulic support comprises a reinforced lengthened top beam side protection plate, a reinforced lengthened shield beam side protection plate and a reinforced lengthened base side protection plate; a hydraulic oil cylinder is arranged between the base side protection plate and a base; the top beam side protection plate, the shield beam side