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The rolls crushers we sell are used in mining and parallel industries; a double rolls 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.
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A double toothed roll crusher is often used as secondary or tertiary stone crushing equipment. Its versatility spans applications like coal, pebble, perlite, limestone, and dolomite processing. Notable features include high crushing capacity, hydraulic pressure for roller distance adjustment, and centralized lubrication on bearings.
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Roll Crusher. A roll crusher, also known as a double roll crusher, is a type of compression machine used to crush hard materials. It consists of two large metal rolls that rotate in opposite directions. The material is fed into the gap between the rolls and is crushed by the compressive forces exerted by the rotating rolls.
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Generally gyratory crushers, jaw crushers, high speed double roll crushers, low speed sizers, impactors and hammer mills are used as primary crushers. In the secondary and subsequent stages, the material is further reduced and refined for proper size and shape, mostly based on specifications. ...
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The double toothed roll crushers are one of the most economical and practical medium and fine crushers. They are very popular among small coal processing plants. The double toothed roll crusher is suitable for crushing medium-hard coal with high moisture content (more than 25%), such as raw coal, coke, lignite, and activated carbon.
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DoppiaTrac DR400 double-roll crusher . 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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Both single-roll and double-roll crushers are designed with tramp oversize protection, which allows either the stationary crushing plate (in singleroll systems) or one of the toothed rolls (in double-roll systems) to move and open up the gap if a large, unbreakable piece enters the machine.
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Generally gyratory crushers, jaw crushers, high speed double roll crushers, low speed sizers, impactors and hammer mills are used as primary crushers. In the secondary and subsequent stages, the material is further reduced and refined for proper size and shape, mostly based on specifications. ...
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The gap between the drums is adjustable, and the outer surface of the drum is comprised of heavy manganese steel castings known as roll shells that are available with either a smooth or corrugated crushing surface. Double roll crushers offer up to a 3:1 reduction ratio in some applications, depending on the characteristics of the material.
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Roll crushers crush the material use two opposite rotation of the rollers. The crushing is made up of electromotor, holder, fixed roller, movable roller and safety spring. The surface of the roller is mostly smooth. According to the number of rolls, there are single-roll, double-roll or multi-roll crushers.
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A double-roll arrangement on the bottom stage of the machine accepts the sized material from the top stage and sizes it further. It is ideal for handling larger feed sizes due to the design and larger feed opening. In a quad-roll configuration, both the top and bottom stages have a 4:1 reduction ratio. The primary crushing stage at the top of ...
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Double Roll Crushers DRC Series Roll Crusher The DRC series roller crusher is widely used in tertiary crushing with the material feeding size less than 30mm and the product size 1 - 10mm of artificial sand making (cobblestone and construction waste), mineral separation (iron ore and quartz stone) and grinding material (ceramic industry).
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