The new PTN Roller Mill series HE is developed to break or structurize various materials, such as grains, oilseeds, biomass products and/or others. Herewith an optimum result and low energy requirements is achieved. An integrated rotating feeder in the top unit ensures an even flow to the breaking/structurizing rollers. The large diameter axially riffled breaking rollers rotate at the same speed in opposite directions. Using accurate measurement, the large 300 mm structurizing rollers guarantee smaller particles with minimum fines.
Top Unit
The top unit consists of a rotating feeder, to be controlled by a frequency converter, which can rotate in two directions. One rotating direction of the feeder is to the two breaking rollers. The opposite direction is the bypass function. Driven by electric motor, with V-belt transmission on the motor side. A double toothed timing belt connects both rollers on the other side. Sensor for speed control of structure roller transmission.
Extra Units
The top unit can be extended with one or two extra breaking/structurizing units, each consisting of two solid structurizing rollers. This ensures an optimum structurizing result.
Features
Integrated rotating feeder from mild steel with two rotating directions: › one direction to structurizing rollers. › opposite direction by-pass structurizing rollers.
Solid construction in mild steel.
Manual roller adjustment with adjustment accuracy 0.1 mm.
Solid structurizing rollers made of ‘Hartguss’ material (5 to 6 time longer lifetime than chrome steel).
Oil free transmission by means of double toothed timing belt.
Inlet and outlet with flange, inclusive counter flange.
Options
An electro-pneumatic operated bypass flap (in the double unit to bypass the lower unit, in the triple unit to respectively bypass the middle or lower unit).
Remote roller adjustment, with adjustment accuracy 0.01 mm.
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High Efficiency Line
The development of our new High Efficiency (HE) line concentrated not only on higher performances and a more hygienic design but also lower energy consumption. The new HE line gives excellent access to all maintenance areas. With this HE line PTN takes a new step forward.
High Efficiency advantages
More capacity with same energy level.
Possibility of capacity increase due to modular design
Frequency controlled dual rotation feeder (by-pass function). frequency converter not included.
Even distribution of the product to the entire working lenghth of the breaking/structurizing rollers.
Rollers are easily exchangeable.
50% more revision options of the rollers.
Easy access for cleaning and maintenance.
Range of Single Roller mills
PRM307-S
PRM313-S
PRM318-S
Main unit
1
1
1
Inlet (mm)
612×142
1212×142
1752×142
Outlet (mm)
606×477
1206×477
1746×477
Roller working length (mm)
700
1300
1840
Roller diameter (mm)
300
300
300
Drive (kW)
1×18,5
1×37
1×45
Capacity (t/h)
0-10
8-18
15-25
Length (mm)
1446
2136
2676
Width (mm)
1366
1366
1366
Height (mm)
875
875
875
Range of Double Roller mills
PRM307-D
PRM313-D
PRM318-D
Main Unit
1
1
1
Extra structurizing units
1
1
1
Inlet (mm)
612×142
1212×142
1752×142
Outlet (mm)
606×477
1206×477
1746×477
Roller working length (mm)
700
1300
1840
Roller diameter (mm)
300
300
300
Drive (kW)
2×18,5
2×37
2×45
Capacity (t/h)
0-20
8-32
15-45
Length (mm)
1446
2136
2676
Width (mm)
1366
1366
1366
Height (mm)
1750
1750
1750
Range of Triple Roller mills
PRM307-T
PRM313-T
PRM318-T
Main Unit
1
1
1
Extra structurizing units
2
2
2
Inlet (mm)
612×142
1212×142
1752×142
Outlet (mm)
606×477
1206×477
1746×477
Roller working length (mm)
700
1300
1840
Roller diameter (mm)
300
300
300
Motor (kW)
3×18,5
3×37
3×45
Capacity (t/h)
0-28
8-44
15-60
Length (mm)
1446
2136
2676
Width (mm)
1366
1366
1366
Height (mm)
2625
2625
2625
The final capacity depends on: – Kind of product – Dimensions of the product (mm) – Density of the product (kg/dm3) – Required dimensions of the particles (mm)
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