Rolls Crusher

Key Advantages

  • Simple and sturdy design
  • Rollers surfaces are with special treatment and do not stick to coal
  • Uniform output and high efficiency
  • Adjustable discharge size and versatility
  • Durability and long service life

Rolls Crusher

The rolls crusher, also known as double roll crusher or toothed roll crusher, is a widely used machine, particularly suitable for crushing large, brittle materials such as ores, rocks, coke, coal, clinker, ceramic raw materials, slag, refractory materials, and chemical materials.

The rolls crusher operates by compressing and shearing materials between two counter-rotating rolls, and the rollers can be adjusted to achieve the desired output size. When the material enters the crushing chamber, it is forced through the nip formed by the rotating rolls. Simultaneously, it is subjected to compression and shearing forces, causing the material to break apart. Smaller particles exit the machine through the gap between the rolls, following the tangential direction of the roll rotation. Larger particles that exceed the gap size continue to be crushed into smaller pieces and then discharged.

Equipment Construction

  • The Double Roller Crusher consists of two parallel rollers mounted on heavy-duty bearings, a housing, drive mechanism, and feeding system.
  • The rollers are driven by separate motors, and the movable roller is supported by spring pressure to allow for automatic adjustment in case of uncrushable material.
  • Fully sealed cabinet design offers safe and dust free operation.
  • Optional alloy rollers (rollers with tungsten carbide coating on the surface) can crush high-hardness alloy ores such as molybdenum iron and vanadium iron.

Technical Parameters

Model No. DRC20075 DRC200125 DRC200150 DRC250150
Roller Size Φ200x75mm Φ200x125mm Φ200x150mm Φ250x150mm
Feed-in Size ≤13mm ≤13mm ≤13mm ≤20mm
Output Size <3-0.5mm <3-0.5mm <3-0.5mm <3-1mm
Productivity 300-200 kgs/h 350-250 kgs/h 400-300 kgs/h 450-300 kgs/h
Power 1.5 kw 3 kw 3 kw 3 kw
Voltage 3ph, 380v, 50hz 3ph, 380v, 50hz 3ph, 380v, 50hz 3ph, 380v, 50hz
Weight 220 kgs 240 kgs 260 kgs 280 kgs
Overall Dimension 820x490x960mm 820x540x960mm 840x550x960mm 840x560x960mm

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