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Control moisture Content of Raw Material for Wood Pellet Machine
The moisture content of the raw material for wood pellet production plays a vital role. Its two
outputs wood pellet machine and wood pellet shaping influence in the most significant. There
fore, the control of moisture content of the feedstock within the predetermined range to ensure
continuous operation of wood pellet machine.
outputs wood pellet machine and wood pellet shaping influence in the most significant. There
fore, the control of moisture content of the feedstock within the predetermined range to ensure
continuous operation of wood pellet machine.
Wood pellet machine can be classified into two classes: extruding type wood pellet machine and
rolling type wood pellet machine. For the extruding type wood pellet machine, the moisture content
of raw materials should keep in the range of 15%-25%, and the moisture content of wood pellets is
about 15%-23%. After the airing or cooling, the moisture content of wood pellet surface drops to
14%-18%. Therefore, it is required that the moisture content of raw materials must be controlled
within a suitable range.
Generally, we can judge the moisture content of raw materials through the hand feeling or the con
ditions happened in pelletizing process. If the raw materials feel wet, rough, cool, and they can be
squeezed into balls, loosing naturally when you open the hands, the moisture content is in a appro
priate range.
ditions happened in pelletizing process. If the raw materials feel wet, rough, cool, and they can be
squeezed into balls, loosing naturally when you open the hands, the moisture content is in a appro
priate range.
Additionally, we can get the result through the extrusion conditions of wood pellet machine. The high
output, low temperature, unshaped pellets, high content of powders or fines and white smoke in
pelletizing show that the moisture content of raw materials is high. And the low moisture content may
lead to high temperature, low output, difficult discharge and poor quality of wood pellets. Besides, the
abnormal noises and blockage may happen in the wood pellet machine.
output, low temperature, unshaped pellets, high content of powders or fines and white smoke in
pelletizing show that the moisture content of raw materials is high. And the low moisture content may
lead to high temperature, low output, difficult discharge and poor quality of wood pellets. Besides, the
abnormal noises and blockage may happen in the wood pellet machine.
Wooden rolling type granulator, in addition to raw water itself, you can also add water in the production
process. Therefore, the raw material itself, the moisture content requirement is not so stringent. Due to
the different materials, so its water content is also different requirements. Therefore, the amount of water
we need to add depends on the requirements of raw materials.
process. Therefore, the raw material itself, the moisture content requirement is not so stringent. Due to
the different materials, so its water content is also different requirements. Therefore, the amount of water
we need to add depends on the requirements of raw materials.
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