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4GP series roll crusher

Four roller crusher Introduction

      Four-roller crusher has four abrasive rollers. According to the discharge size demanded by the costumers, there are two models.
A  Four-roller secondary crusher
      Four-roller secondary crusher is the general four-roller crusher. The four roller surfaces can be flat surface or overlay welding surface. According to the requirement of the discharge size, we can choose different rollers. It is suitable for the fine crushing, range of discharge 0.25-5mm. Such as steel industry producing coke powder; coke-oven plant producing coal powder; quartz industry producing quartz powder; iron ore industry making iron powder, or in the similar occasions and so on.
B  Four-roller three times crushing crusher
      Four- roller three times crusher is a unique patented production independently developed and manufactured by our company. The four rollers surfaces can be flat surface or overlay welding surface. According to the size of discharge, we can choose different rollers. It is suitable for the super-fine crushing,size of discharge is 0.15-3mm. Such as iron ore industry making quartz powders, fine iron powders; ceramics producing feldspar powders; thermal power plant manufacturing stone powder for desulfurization; cement manufacturing powder, pulverized coal; building materials plant manufacturing gypsum powder; chemical industry breaking all kinds of chemical raw materials; or in the similar occasions and so on.

      According to customer requirement, the driving mode is divided into triangular belt and shaft coupling. The driving power can be made by electric motor or diesel engine.

Principle of work

Four roller crusher is fixed with four high-strength wear-resistant alloy grinding rollers. Their relative rotation makes high extrusion pressure and shear force for crushing the material. Firstly the material is entered into the space between the top two rollers. Here, it is extruded, rollered and sheared (thick broken) because of the rotation of the top two rollers. Then, it is secondly extruded and gnawingly milled (fine crushing) by the middle two rollers which are relatively rotating. Finally, under the extrusion, cut and mill of the next two rollers, the material becomes the required size, sent by the transport equipment.

Technical parameter

Serial number

Specification

Feed

size

(mm)

Discharge

size (mm)

Production

 Capacity

 (t/h)

Heavier

 motor

power (kw)

Protection type

Transmission

mode

1

4PG0404

20 

0.1-10 

2-30 

7.5 

11 

 

Spring 

 

V-belt or

shaft    

coupling

2

4PG0605

40 

0.1-15 

5-60 

22 

30 

3

4PG0806

40 

0.1-20 

8-90 

30 

37 

4

4PG0809

60 

0.1-20 

12-120 

37 

45 

Spring or

hydraulic

5

4PG0812 

60 

0.1-20 

20-180 

45 

55 

6

4PG1012 

80 

0.1-30 

30-220 

55 

75 

7

4PG1212 

90 

0.1-40 

45-320 

75 

90 

8

4PG1216 

90 

0.1-50 

55-400 

90 

110 

9

4PG1218 

90 

0.1-50 

70-500 

110 

132 

Remarks:

      1.Method of definition(4PG0806): 4 means four roller; P means crusher; G means roller; 08 means roller diameter(800mm); 06 means roller width(600mm); P mean flat roller or (overlay welding roller), T(Y) mean spring(hydraulic) protection. 

      2.All above discharge size is adjustable. 

      3. All above data is only for reference, because of technical upgrade, Electronic CAD drawings are accurate.


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