NOVELTY - Preparing organic biomass coal using carbonization device comprises e.g. (i) pulverizing biomass feedstock, passing shaped particles of biomass fuel into a biomass pelletizing machine; (ii) passing biomass fuel from the top of the carbonization furnace inlet vote into the carbonization furnace body, adding catalyst from the charring furnace into catalyst inlet, catalyst feed and draft tube, mixing catalyst and biomass shaped particles; and (iii) passing into the carbonization furnace tube heat exchangers and outer surface of the jacket by heat carrier.    USE - The method is useful for preparing organic biomass coal (claimed).    ADVANTAGE - The method is simple and easy to operate, has high efficiency, improves utilization of biomass energy, cleanness of biomass organic charcoal and yield of charcoal in biomass organic charcoal.    DETAILED DESCRIPTION - Preparing organic biomass coal using carbonization device comprises (i) pulverizing biomass feedstock, passing shaped particles of biomass fuel into a biomass pelletizing machine; (ii) passing biomass fuel from the top of the carbonization furnace inlet vote into the carbonization furnace body, and filling gap in the heat exchanger by gravity effect, adding catalyst from the charring furnace into catalyst inlet, catalyst feed and draft tube, mixing catalyst from the draft tube outflow holes and biomass shaped particles; and (iii) passing into the carbonization furnace tube heat exchangers and outer surface of the jacket by heat carrier, transferring heat to the biomass shaped particles by heat carrier from the heat exchanger and jacket, controlling carrier temperature and pressure by heat carrier, transferring heat to the biomass shaped particles and carrier by heat exchanger and jacket, controlling the carrier pressure and heating temperature, then controlling the speed of the thermal conversion and temperature to 200-800 degrees C and conversion time to 20-100 minutes to obtain final product, where the carbonization device comprises the device is internally set with a heat exchanger and a catalyst guide pipe, and outside surface set with heat furnace jacket.    DESCRIPTION OF DRAWING(S) - The drawing shows a schematic representation of the carbonization device.