... could be different kinds of wood,such as log,waste furniture,tree branches,leftover material of wood,brushes,tree bark;other biomass material ... distribution cabinet) always full of engine oil.Working principle of wood pellet making machine 1.Through the belt conveyor, the ... clean and low cost.2.Pellet (biomass briquette,biomass pellet,wood pellet) is widely used in heating, biomass boiler, household ...