Room and Pillar Mining Method
In Room and Pillar mining, the coal seam is mined in a checkerboard style leaving pillars of coal to support the roof which allows for instant coal access with a relatively low invest compared to long wall mining, however, only utilizes the coal reserves between 50 and 75 percent.
Room and Pillar mining is a mining method of its own right as well as its supporting technology to develop roadways in order to prepare the coal face for long wall operation. In Room and Pillar mining, continuity is the key to profit. From the continuous miner to the continuous flow of material. The coal is cut by a continuous miner which delivers the product to hollers. They bring the product to feed a breaker unit and prepare and deliver it onto the belt system. While feeder breakers are moved only occasionally, the other equipment is in constant motion so maneuverability cable is operational and maximum load capacities are vital.
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