Home > Milling & Pulverising > Roll Crusher > Double-roller Mill – WS
With the double-roller mill, all brittle materials, such as, for example, ores, clinker, limestone, gypsum, aluminium oxide, glass, … can be reduced in size up to a Mohs’ hardness of approx. 8.5 with a reduction ratio from 1:2 to 1:5. Crushing is done between two counter-rotating rollers mainly through compressive and shear stress. The smooth crushing rollers are arranged on opposite sides, one of them being fixed to the housing and the other arranged flexibly. The flexibly appointed crushing roller can be moved via a spindle in order to thus set the opening between the two rollers infinitely variably.
To protect the crusher from minor foreign bodies, the flexible roller is supported by spring packages that can be adjusted to meet requirements in the prestressing force. The two crushing rollers are driven by a V-belt drive.
The double-roller mills are executed by us in two versions: In the laboratory version, the machine is equipped with a tamper-proof feeding funnel, the base frame with integrated control system and the safety monitored collecting box.
For installation of the double-roller mills in plants, there is also a version available without these additional attachments, so that simple integration is possible.
In the laboratory version, the complete upper section of the housing can be swung open once the quick release has been actuated, so that the crushing chamber can be subjected to rapid inspection/cleaning in order to prevent any cross-contamination between the samples. The crushing rollers are available in various materials (cast steel, tungsten carbide and aluminium oxide).
Double-roller mill
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WS 250 x 150
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WS 400 x 200
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WS 400 x 400
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WS 600 x 400
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WS 600 x 800
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Dimensions (W × H× D)
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mm
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675 x 500 x 1360
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850 x 1100 x 2120
|
1100 x 1160 x 2300
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1300 x 1100 x 3400
|
1750 x 1100 x 3400
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Weight
|
kg
|
345
|
1280
|
1920
|
3000
|
5500
|
Motor
|
kw
|
3
|
2 x 5,5
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2 x 7,5
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2 x 15
|
2 x 22
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Roller size (Ø x W)
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mm
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Ø250 x 150
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Ø400 x 200
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Ø400 x 400
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Ø600 x 400
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Ø600 x 800
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Gap width, min. – max.
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mm
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0.2 – 5.0
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0.5 - 15
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0.5 – 15
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0.5 - 15
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0.5 – 15
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Max. feeding size
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mm
|
12
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20
|
20
|
50
|
50
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Throughput
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kg/h
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50 - 2000
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75 – 6000
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150 - 10000
|
180 - 10000
|
360 – 17000
|
The throughput is dependent on the size of the discharge opening, the bulk weight and the size reduction behaviour of the crushed material. Fineness is decisively determined by the discharge opening set. Subject to technical changes.
|
Double-roller mill
|
WS 250 x 150-L
|
WS 400 x 200-L
|
|
Dimensions (W × H× D)
|
mm
|
675 x 1360 x 1360
|
850 x1500 x 2120
|
Weight
|
kg
|
495
|
1320
|
Motor
|
kw
|
3
|
2 x 5.5
|
Roller size (Ø x W)
|
mm
|
Ø250 x 150
|
Ø400 x 200
|
Gap width, min. – max.
|
mm
|
0.2 – 5.0
|
0.5 - 15
|
Max. feeding size
|
mm
|
12
|
20
|
Throughput
|
kg/h
|
50 - 2000
|
75 – 6000
|
The throughput is dependent on the size of the discharge opening, the bulk weight and the size reduction behaviour of the crushed material. Fineness is decisively determined by the discharge opening set. Subject to technical changes.
|
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