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The main raw materials of biomass pellet are straw, straw, rice husk, peanut shell, corn cob, wood, bamboo, cottonseed shell and the residue of wood processing, these raw materials have a lot of crop straw and tree sawdust and so on, so what are the requirements for raw materials of biomass pellet?
1. Granular raw material moisture: biomass granular fuel for raw material moisture requirements are more strict, because too dry fuel is not easy to form, too wet and will be very loose. So no matter what kind of sawdust, its water content should be controlled within a range of 14 to 20 percent.
2. The size of granular raw materials after crushing: straw and other need to be pulverized into granules by a grinder, there are corresponding provisions on the size of raw material crushing, too large or too small are not easy to make biomass pellet fuel discharge, thus affecting the quality of fuel.
3. Pellet raw material quality: the quality of biomass pellet fuel will be affected by the quality of raw material, so if the raw material becomes mildew and black, it will not be able to produce qualified fuel. If you don't want to use it, use a lot of fresh ingredients over 50 percent.
4. Adhesion of pellet raw material: if the raw material itself has no adhesion, it is easy to cause loose and unformed biomass pellet fuel, so the raw material must have a certain adhesion. Like wood chips can have its own adhesive force, do not need to add adhesive can be very good molding.