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Crushing Machine
Crushing Machine
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Double roller crusher

Double roller crusher

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Application

Double Roller Crusher is used in the cement, chemical, power, mining, metallurgy, building materials, refractories, coal and other industries.It can crush thick brittle bulk materials whose compressive strength is not more than 160MPa into the required product size. 

Working principle

Adjustment of discharging granularity: There is wedge or gasket adjustment device between two rollers. The adjusting screw bolts are fixed on the head of wedge head. When the adjusting screw bolts pull the wedge upwards, the wedge makes the roller apart from fixed pulley. The gap between two rollers becomes bigger and then the discharging granularity becomes bigger.  When the wedge goes downwards, the gap of the two wedges becomes smaller and then the discharging granularity becomes smaller.  Gasket device adjusts the granularity by decreasing and increasing the gasket numbers or thickness. When the gasket number increased ,the gap of two rollers and granularity become bigger, on the other hand ,the gap and granulariyt become smaller.

Features

1. Grinding system equipped with PDG-II, making production capacity increase  by 30% -40% and energy consumption reduce by 20% -30%.
2. Internal with dust-proof plate, good sealing performance, avoiding the broken tiny splash of materials,highly improving the working environment .
3. The rollers of Double Roller Crusher equipped with replaceable wear resistant liner, prolonging service life. Continuous service life of up to one year or more, wear serious, remove the lid can be replaced. Small amount of maintenance, low cost, which is any other type of domestic crushing machines can not match.
4. The roller crusher is equipped with safety guard device, when unexpected metallic iron fall into the crushing chamber, the protective device takes effect, thus letting out the metal.    

Main technical parameters

 

 

Model

Material-in size

(mm)

Material-out size

(mm)

Capacity

(t/h)

Motor Power

(t/h)

Weight

(kg)

2PG—400×250

≤25

1-8

5-10

11

1500

2PG—500×400

≤30

1-10

8-20

22

3200

2PG—610×400

≤40

1-20

13-35

30

4500

2PG—750×500

≤40

2-20

15-40

37

12250

2PG—900×500

≤40

3-40

20-50

44

14000

Note:Any change is subject to our final confirmation.