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what is a grader for complex surface mining for coal

what is a grader for complex surface mining for coal by John Richard Schrock Although the majority of surface mining is used to extract coal bauxite aluminum ore phosphates iron and copper ores zinc lead nickel and diamonds are also surface mined Large portions of these minerals are in deposits that
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  • Ball Mill

    Feeding Granularity: ≤20-≤25mm

    Applied Materials: Limestone, calcite, barite, dolomite, potassium feldspar, marble, talcum, gypsum, kaolin, bentonite, medical stone, rock phosphate, manganese ore, iron ore, copper ore, gold ore,quartz, active carbon, carbon black, ceramic, coal, etc.

    Applicable Range: Cement, silicate product, new building material, refractory material, fertilizer, black and non-ferrous metal ore dressing and glass ceramics production industry, etc.

  • Spiral Chute

    Feeding Granularity: 0.03-1mm

    Production Capacity: 2-40TPH

    Applicable Range: Suitable for separating materials with 0.3-0.02 mm particle size, such as iron ore, ilmenite, chromite, pyrite, zircon, rutile, monazite, Phosphorus, tungsten, tin, tantalum, niobium, rare metals, non-metallic minerals

  • Barite Grinding Mill

    Feeding Size: ≤25-≤30mm

    Discharging Size: 0.125- 0.044mm

    Production Capacity: 2-176TPH

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    Feeding Size: ≤25-≤30mm

    Discharging Size: 0.125- 0.044mm

    Production Capacity: 2-176TPH

  • Cone Crusher

    Feeding Size: 65-300mm

    Discharging Size: 3-60mm

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    Feeding Granularity: 120-1500mm

    Production Capacity: 1-2200t/h

    Feed Opening: 150×250-1600×2100mm

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