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wood sawdust pellet making machine fuel pellet mill wood pellet
making machine
1 Ton/H Wood Sawdust Pellet Making Machine Fuel Pellet Mill Wood
Pellet Making Machine
Description
The production process of wood pellet machine includes three steps
of crushing, drying and molding, and the process is as follows:
1. Raw material crushing:
Using the cutting principle of the cutter head and the principle of
hammering, the wood is directly processed into sawdust. The size of
the sawdust can be adjusted through the screen, and the filtered
sawdust flows out from the bottom of the screen. The operation is
simple and the production efficiency is high.
2. Drying:
The material is heated in the drying room to about 50-70°C and
enters the airflow drying room for heat exchange, and the
temperature can reach above 100°C; the material falls in a fluffy
shape in the drying room (that is, boiling drying), and further
evaporates water in the hot air flow , and then filtered through
the filter bag to discharge the finished product. If it is
necessary to further reduce the dust content of the tail gas and
use the induced draft fan, install a dust collector.
If you buy it to heat your home, sawdust moisture is high, it is recommended to mix some dry
sawdust or directly in the yard to dry. When sawdust moisture is
between 12%-20%, that's ok.
3. Granulation:
When the granules are cooled to the point that they are not sticky
to the hands, they are released from the mold hole and become
granule products with uniform particle size.
Due to the advantages of low investment and low energy consumption,
the equipment is widely used in the mechanism charcoal industry and
biomass energy industry and other users who need to produce various
fuels.
Working Principle
After the motor changes speed through the reducer, it drives the
main shaft of the machine to rotate. The main shaft is connected
with the pressing roller shaft. The mold is stationary, and the
spindle drives the pressure roller to press the inner surface of
the mold to complete the pressing process.
When working, the raw material of biomass sawdust falls vertically
from the feed port, and the material is continuously and evenly
distributed on the surface of the inner cavity of the mold through
the rotation of the pressure roller (the contact surface between
the pressure roller and the mold, and the powdery material passes
through the hole of the matrix under the pressure of the pressure
roller). During this process, the material is subjected to high
pressure and high temperature, resulting in physical changes or
appropriate chemical changes (according to the material), which
promotes the powdery material to form a continuously elongated
cylindrical solid body, and then cuts off the particles by a broken
knife, and the particles are discharged from the discharge port.
That's the process of granulation.
Main Performance Characteristics of Wood Pellet Mill:
1. The middle frame adjustment is adopted, and the two rollers bear
the balance force to ensure the pressing ability;
2. Equipped with a heavy-duty industrial reducer, which effectively
improves the life of the equipment;
3. With a variety of apertures 1-10mm, it is suitable for different
raw materials and ensures the granulation capacity;
4. Equipped with an automatic lubrication system to ensure the
machine works longer and extend the service life of bearings and
gears.
Specification of Roller Rotate Wood Pellet Mill
Model | 200 | 300 | 400 | 420 | 450 |
Motor | 7.5kw | 22 | 30 | 37 | 45 |
Capacity | 80-120kg/h | 200-350kg/h | 400-600kg/h | 400-600kg/h | 600-700kg/h |
Machine size | 105*48*117cm | 130*60*150cm | 145*70*170cm | 138*68*168cm | 160*70*170cm |
Net weight | 270kg | 580kg | 880kg | 1150kg | 1170 |