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Longwall Mining Method

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longwall mining method

The products includes five series: crusher, sand making machine, powder grinding mill, mineral processing equipment and building materials equipment.longwall mining method,Longwall mining is a highly productive underground mining method in which a panel or block of coal sometimes 1,000 feet wide and two or three miles long is completely extracted. The working area is protected by movable hydraulic powered roof supports called shields. The longwall employs a shearerwith two rotating cutting drumswhich is .

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As a green intelligent mining machine importing and exporting factory, Hongxing Machinery has produced the five series of equipment including crusher, sand-stone, grind milling, ore dressing, and building material equipment. Hongxing machinery has also independently developed Hongxing series mobile crushing plant, HD German type jaw crusher, HVI type sand maker, PCZ type heavy hammer crusher and other high value-added products. What’s more, it passes the ISO9001, CE and GOST International Quality System, and wins many awards such as "China Famous Brand" and "China's Top 10 Mining Machinery Brands ".

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