Biomass carbonization furnace

The utility model relates to a biomass carbonization furnace which comprises a carbonization furnace and a water storage tank, the outer side of the carbonization furnace is provided with a discharge port, the outer side of the water storage tank is provided with a water-cooling pipe fitting connected with the discharge port, the water-cooling pipe fitting is provided with an inner cavity channel and an outer cavity channel, and the outer side of the water-cooling pipe fitting is provided with a driving piece. Through the feeding pipe, the inner sleeve, the supporting table, the double-shaft motor, the screw rod and the fan, and in cooperation with the water pump, the water supply pipe fitting and the water storage tank, processed charcoal can be discharged through the inner sleeve under the acting force that the double-shaft motor drives the screw rod to rotate; in the process, the water pump can drain liquid into the cavity between the inner sleeve and the feeding pipe to cool the discharged charcoal, the l