Shanghai Rockreign Machinery Co., Ltd
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2PG Double Roller Crusher

— Double Roller Crusher, 2PG Double Roller Crusher, Roller stone crusher
Product Category: Stone Crushers
Sales Method: Export, Manufacture
Payment Term: T/T, L/C
Min. Order Unit Price
Contact Info

Mrs.Susie

Address: China (mainland) Shanghai Shanghai,No.7001, Zhongchun Road, Minhang District, Shanghai

Product Detail

Product Attribute:

  • China (mainland) More >
  • Rockreign
  • 06/04/2012
  • 06/05/2012

Product Content Description:

Double Roller Crusher
The Double Roller Crusher is of simple structure, reliable operation and low cost. It is widely used in middle and small sized mines for intermediate and fine crashing of the brittle and soft ores of intermediate hardness like coal and coke.
Double Roller crusher Applicable material:
1) Clay
2) Shale clay
3) Coal gangue
4) River silt



Double Roller crusher Working principle:

The particles are drawn into the gap between the rolls by their rotating motion and a friction angle formed between the rolls and the particle, called the nip angle. The two rolls force the particle between their rotating surface into the ever smaller gap area, and it fractures from the compressive forces presented by the rotating rolls. Some major advantages of roll crushers are they give a very fine product size distribution and they produce very little dust or fines. Rolls crushers are effectively used in minerals crushing where the ores are not too abrasive and they are also used in smaller scale production mining of more abrasive metal ores, such as gold. Coal is probably the largest 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.)
Specifications of Double Roller Crusher
Model 2PG400*250 2PG610*400 2PG700*400
Roller Diameter(mm) 400 610 700
Roller Length(mm) 250 400 400
Max. feeding size(mm) <=25 <=85 <=100
Discharging size (mm) 2-8 10-30 0.5-30
Efficiency(t/h) 5-10 13-40 10-100
Roller number 2 2 2
Roller rotation
speed(r/min) 180 75 95
Total weight 1.1 3.5 7.8
Dimensions(L*W*H)(mm) 1215*834*830 2235*1722*810 4300*1200*1200
Motor Model Y160L-6 Y225M-6 Y200L-4
Power(kW) 5.5*2 15*2 30*2

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