The vertical ring die pellet mill is suitable for pressing materials that are difficult to bond and mold. Such as rice husk, peanut shells, tree branches, bark, wood chips, straw, coconut shells, coffee shells, eucalyptus, palm silk, and other materials.
Capacity: 500kg/h-2000kg/h
Raw Materials: Rice husk, peanut shells, tree branches, bark, wood chips, straw, coconut shells, coffee shells, euc
The vertical ring die pellet mill is suitable for pressing materials that are difficult to bond and mold. Such as rice husk, peanut shells, tree branches, bark, wood chips, straw, coconut shells, coffee shells, eucalyptus, palm silk, and other materials. It is a high-density granulation moulding equipment. Widely used in: biomass burning plant, wood processing plant, food factory, fertiliser factory, feed factory, power plant, distillery, and other waste gas scraps recycling.
The mould and pressure roller are made of alloy steel. Processed by heat treatment. It can ensure the granulation effect. Thus, the service life is increased. The working mode is from inside to outside extrusion type. The combination of centrifugal force and extrusion force is utilised. The hardness and density of the pellets can be guaranteed at the same time. It can also increase the pelleting production efficiency. The vertical ring die pellet mill adopts the unique design of 4 pressure rollers. It increases the frequency of extrusion and improves the production capacity.
Technological Process
The mould of the vertical ring die pellet mill is a porous cylinder. It rotates by transmission. There are 2-4 free rotating with grooves in the cylinder. Or slave self-rotating rollers. The biomass raw material enters the steel film. The rotating roller is pressed into the workshop. Inside, embedded in the mould holes, the material from the outer base of the steel film. Eventually, cut into cylindrical granular form by knives. On the ring die and the pressure roller, the linear velocity is equal everywhere. No additional friction is generated. All the pressure comes from the granulation, and therefore the production efficiency is high.
Parameters
Model Name
Parameters
Note
Model
VTR560、VTR850、VTR350ect.
Various models
Power
45-250kw
The higher the power, the higher the capacity
Capacity
0.5 - 3 t/h (t/h)
Related to raw material type, moisture, and compression ratio
Diameter of mould hole
6-10mm
Determine the diameter of the particles
Number of pressure rollers
2-3
Provides pressure to extrude the raw material
Finished granule density
1.1 – 1.4 g/cm³
Good burning performance, easy to transport
Finished granule length
10–30mm
Normally adjustable
Raw Material Moisture Requirements
10%–15%
Too high or too low moisture content will affect The granulation effect
Lubrication system
Manual or automatic refuelling systems
Keeping machinery running smoothly
Control system
PLC control or manual push button
Some high-end equipment supports fully automatic control
Weight
1.5-5t
Depends on the model size
Dimensions (L*W*H)
2500×1300×1600 mm
Wide variation in different models
Advantageous
1. Vertical ring die pellet mill has the features of small size, environmental protection and energy saving, low noise, even feeding, compact structure, stable performance and so on.
2. The main transmission box is cast, with a larger bearing capacity and good stability. Long service life.
3. The main transmission system adopts gear transmission, which is more efficient. Its capacity is more than 15% higher than belt type.
4. The mould is double-layered and can be used both up and down. It can reduce production costs, high production, and save energy.
5. An independent discharging device ensures the moulding rate of the granule, and the design is reasonable.
6. The main force receiving element adopts high alloy wear-resistant material, and the life span of wearing parts is twice that of similar products.
7. mould view, pressure wheel rotation, material centrifugal, uniform around.
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