... Wood logs ,Tree branch ,Wheat Straw ,Peanut-shell ,Rice husk ,Sugar Cane Bagasse,Coffee Husk ,paddy Straw ,Sunflower Seed Husk ,Sunflower Stalk ... the central hole and carbonized outer layer. Our biomass briquette machine have automatic temperature control system, it is designed to ... is compressed under high pressure and high temperature. The machine uses a large screw to grind,compress and extrude the ...