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  2. Longwall mining - Wikipedia

    en.wikipedia.org/wiki/Longwall_mining

    Longwall mining is a form of underground coal mining where a long wall of coal is mined in a single slice (typically 0.6–6.0 m (2 ft 0 in – 19 ft 8 in) thick). The section of rock that is being mined, known as the longwall panel, is typically 3–4 km (1.9–2.5 mi) long, but can be up to 7.5 km (4.7 mi) long and 250–400 m (820–1,310 ft) wide.

  3. Glossary of coal mining terminology - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_coal_mining...

    The main gate is the intake airway and the conveyor belt road to move coal from the face to the shaft. [6] Man winding. Man winding: the process of using the cage to transport workers up or down the shaft. Also referred to as manriding, though the latter also referred to transport elsewhere in the pit.

  4. Conveyor belt - Wikipedia

    en.wikipedia.org/wiki/Conveyor_belt

    A conveyor belt is the carrying medium of a belt conveyor system (often shortened to belt conveyor). A belt conveyor system is one of many types of conveyor systems. A belt conveyor system consists of two or more pulleys (sometimes referred to as drums), with a closed loop of carrying medium—the conveyor belt—that rotates about them.

  5. Tipple - Wikipedia

    en.wikipedia.org/wiki/Tipple

    Tipple. A tipple is a structure used at a mine to load the extracted product (e.g., coal, ores) for transport, typically into railroad hopper cars. In the United States, tipples have been frequently associated with coal mines, but they have also been used for hard rock mining.

  6. Taichung Power Plant - Wikipedia

    en.wikipedia.org/wiki/Taichung_Power_Plant

    The coal can be reclaimed from here and sent to any of the 10 units. There is built in redundancy in the critical conveyor paths. All of the belts are equipped with fire detection system to monitor the temperature along the belt and to send alarms in the case of fire to minimize damage. The coal receiving facilities were completed in 1992. [8]

  7. Conveyor chain - Wikipedia

    en.wikipedia.org/wiki/Conveyor_Chain

    A chain conveyor for mining use. chain conveyor in use (German coal mine, 1950s) A conveyor chain is chain that has been designed specifically for chain conveyor systems. It consists of a series of journal bearings that are held together by constraining link plates. Each bearing consists of a pin and a bush on which the chain roller revolves.

  8. Tubular Gallery - Wikipedia

    en.wikipedia.org/wiki/Tubular_Gallery

    Power, cement, petroleum by-product, bio-fuel, coal, agricultural and ship loading are a few of the industries and applications that commonly use Tubular Gallery conveyors. A cost-effective alternative to the Tubular Gallery System is a totally enclosed air supported belt conveyor. Comparison to covered truss conveyors

  9. Coal breaker - Wikipedia

    en.wikipedia.org/wiki/Coal_breaker

    The "Righter coal washer" - Invented just before 1900, the Righter coal washer used a conveyor belt with paddles to pass coal slurry over a finely woven iron screen. Dirt and other small particles of impurities tended to sink to the bottom of the water and pass through the screen into a collection tank, while the lighter coal floated in the ...

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