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Biomass pellets are produced by compressing the material, which has first passed through a hammer millto provide a uniform dough-like mass.This mass is fed to a press where it is squeezed through a die having holes of the size required (normally 6 mm diameter, sometimes 8 mm or larger).
The high pressure of the press causes the temperature of the wood to increase greatly, and thelignin plasticizes slightly forming a natural "glue" that holds the pellet together as it cool.
Weifang Running Machine Co.,Ltd is a professional factory in the local more than20 years.
http://www.biomass-china.com/
