• Roll Crushers - Mineral Processing Metallurgy

    2020-6-25  Crushing rolls might, logically, include roll crushers of the sledging type, the name, by popular usage, is restricted to the double-roll machine (with either smooth or corrugated shells) which crushes entirely by pressure between the surfaces of the roll faces. The sledging type of either single or double-roll arrangement is usually differentiated by such titles as “roll crusher” or ...

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    2020-6-8  Roll crushers have a theoretical MAXIMUM reduction ratio of 4:1. If a 2-inch particle is fed to the roll crusher the absolute smallest size one could expect from the crusher is 1/2 inch. Roll crushers can adjust the wedge device between rollers to control the feed and discharge size of the machine.

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  • DOUBLE-ROLL CRUSHERS - Pilot Crushtec

    2020-7-7  double-roll crushers Pilot Crushtec’s in-house designed, fabricated and manufactured mobile double-roll crusher, the DoppiaTrac DR400, has proven itself in South Africa’s coal market, having already crushed millions of tons of coal at coal mines as well as powerplants around the country.

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    Offered roll crushers are distinguished in the market for their quality elements. In order to meet the most clients' satisfaction, we have reasonably priced our roll crushers without compromising with the quality. Features: Performance oriented design; Maintenance free; High quality

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  • DOPPIATRAC DR400 DOUBLE-ROLL CRUSHER - Pilot

    2020-7-6  The DoppiaTrac is a track-mounted, self-driven, feeding, crushing and stockpiling machine for medium to hard bituminous coal crushing applications and is fitted with a purpose-designed 3636 double drum roll.

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    Manufacturer of Double Roll Crushers - Smooth Roll Crusher, Heavy Duty Impactor, EK Series Impactor and Reversible Hammer Mill offered by McNally Sayaji Engineering Limited, Dhanbad, Jharkhand.

  • High Quality Double Roller Crusher/Roll Crusher

    Coal is probably the large user of roll crushers, currently, though. Coal plants will use roll crushers, either single roll or double roll, as primary crushers, reducing the ROM coal. Usually, these crushers will have teeth or raised forms on the face of the roll. ( used for minerals and metal ores have smooth faced rolls.)

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    2020-7-7  The DR400 double-roll crusher is a track-mounted, self-driven, feeding, crushing and stockpiling machine for use in medium to hard bituminous coal crushing applications and is fitted with a purpose-designed 3636 double drum roll.

  • Roll Crusher - 911Metallurgist

    2020-6-25  A wide range of roll crushers we sell are used in mining and allied industries; a double roll crusher is a common type of equipment used as a primary crusher for sizing ore.Roll crushers are used for sizing sintered coals, soft and medium hard rocks, fertilizers and salts. The crushing material is fed on the top of the whole width of the rolls with the help of feeders.