Large roller crusher
The screen-type double toothed roll crusher is an innovation crusher developed by our company. It is mainly used for crushing materials with compressive strength which is no more than 150Mpa. It has higher requirements, as far as granularity is concerned, minerals like sandstone and raw coal should not be too fine.
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  • Product features
  • Product Specifications
I. Features of Screen-type Double Toothed Roll Crusher
1. It can be used to crush a wide range of materials, such as coal, limestone, soft rock, hard rock and metallic ore, etc.
2. With double overload protection devices and Iron-pass protection, the crusher works reliably.
3. High adaptability makes it particularly suitable for down-hole operations and open mobile crushing.
4. More granular materials, less powder after crushing.
5. Easy to replace tooth plates and have a longer service life span.
6. Adjustable roll distance extends the scope of application.

I. Introduction of Double Roll Crusher

The double roll crusher is specially designed for the fine crushing of limestone.The crusher is equiped with two rollers which rotate towards each other and materials are squeezed, grounded and cut by the shearing force of the rotating roller. When materials enter into the crushing cavity, the materials are subjected to the shearing force of the rotating roller, this causes the materials to pass through the two rollers. At this point, the mineral starts to rupture. The crushed particles move along the tangent direction of the roller, and are discharged through the bottom clearence between the two rollers. Particles that are bigger than the bottom clearance will be crushed continuously until they become small enough to be discharged. It is characterised by high rotation speed of rollers and high capacity. The double roll crusher is also suitable for mineral separation, chemical, cement, building materials industries’  medium and fine curshing of ores and stones with medium and low hardness and compressive strength of not more than 120-150Mpa.

II. Specifications of Screen-type Double Toothed Roll Crusher

YRC Series Screen-Type Double Toothed Roll Crusher(Primary Crusher)

Model Suitable Materials Feed Size
Discharge Size
Pitch of Shaft
YRC-625 Coal/Limestone/Shale 500 200 1800-2000 625
YRC-750 Coal/Limestone/Shale 800 250 1000-1500 750
YRC-850 Coal/Limestone/Shale 800-1000 250-300 1800-2200 850
YRC-850II Coal/Limestone/Shale 800-1000 250-300 2250-2800 850
YRC-1150 Coal/Limestone/Shale 1000-1200 300 2700-3300 1150
YRC-1250 Coal/Limestone/Shale 1000-1500 250-300 3300-4000 1250
YRC-1500 Top rock/Limestone 1500 350 3500-5000 1500

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