... biomass pellets,farming waste(straw, wheat stalk, corn stalk, cob, rice husk, peanut shell, Cotton branches, weeds etc.), forest waste(trees, bark ... , tree root, leaves, wood shavings, sawdust etc.) etc, as raw material.2. The crushed aggregates under 3mm in diameter is ... watch over it.6. Vortex design, multi-cyclone increase oxygen, raw material could be made full use with maximum limit.7 ...