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Roller crusher

 

 

Roller crusher Application:

 

The 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 is mainly used for crushing rocks of medium or lower rigidity, such as coking coal, agglonerate, limestone, and so on. It is most suitable for the mid-crushing and fine crushing work in non-metal mines of medium and small scale and chemical industries. The smalllest discharge granularity could be less than 100 meshes.

 

 

 

Roller crusher Working principle:

 

The discharging-size regulation: between two roller equipped with cuneate or gasket adjusting device, top of the wedge device capped with adjustment bolts,when the adjustment bolts pull upward wedge which will bear against the fixed wheel to make it deviate from the movable roller wheel,then the gap between wheels become large,discharging size become bigger, otherwise the opposite. gasket device is through the quantity or thickness to adjust the materials size, when adding  gaskets the gap between wheels become large , when reducing gaskets the gap between wheels become small .so the discharging size becomes small.

 

Roller crusher Features:

 

It has the advantages of simple structure, convenient maintenance, stable performance, and the distance of the broken rollers can be freely adjustable.

Some major advantages of roller 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.)

 

Roller crusher Applicable material:

1) Clay
2) Shale clay
3) Coal gangue
4) River silt

 

 

 

Main purposes:

The machine of roller crusher is used to break the ores and rocks of medium or below medium hardness, in the works of industrial departments such as beneficiation, chemical, cement, building materials.

 

Roller crusher technical parameters:

Type

2PG300X300

2PGC400×250

2PGC610×400

2PGC450×500

2PGC600×750

Roll diameter (mm)

300

400

610

450

600

Roll length (mm)

300

250

400

500

750

Feeding granularity(mm)

20

≤25

≤85

≤100-200

≤300-600

Product granularity (mm)

0-6.5

2-3

2-9

25-100

50-125

Capacity (t/h)

1-2

5-10

8-15

20-55

60-125

Roll number set

2

2

2

2

2

Roll working speed (r/min)

60

180

75

64

50

weight (T)

0.5

1.1

3.5

3.8

8.34

dimensionL×W×H (mm)

900X1020X763

1215×834×830

2235×1722×810

2260×2200×766

2780×3065×1310

Power (kW)

2.2

11

30

7.5

22

 

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