Tóm tắt:

Synchronization mechanized long wall coal mining technology have the trend is applied popularize in the mining because of its particularity preeminent. Currently, it is applied in the coal underground mining of Vietnam such as Khe Chàm, Dương Huy, Quang Hanh, Hà Lầm, Vàng Danh, Nam Mẩu Coal Company... According to the strategy development of the coal industry, the production output will reaches about 70 million tons in 2020. Therefore, the problem about respond high of production would be resolved if used this technology. However, to ensure effective of producing, need to consider about synchronic of equipment in long wall as well as other unprejudiced causes affect the working capacity of the device.