... to grind, compress and extrude the biomass materials into briquettes. The self bonding of biomass to ... together, thus binding,compressing the biomass to form into high density briquettes. During this process, no binder ... ensured.Working Process:1. Crush the raw material into small pieces (diameter is about 3-5mm)2. ... is less than 12%3. Put the material into feed let of briquette machine4. Produce the ...