NOVELTY - Continuous biomass low temperature carbonization comprises drying pretreated biomass raw material with drying device, and placing dried biomass into biomass carbonization device by biomass low temperature carbonization process; placing biomass pyrolysis gas and tar into combustion chamber, combusting fuel, generating high temperature flue gas by burning directly through pipeline into carbonization device; and utilizing bin with condensation device and air cooling device, to obtain product after heat exchange and cooling, and placing obtained hot air to combustion chamber and the pyrolysis gas.    USE - Method of continuous biomass low temperature carbonization (claimed).    ADVANTAGE - The method push the low temperature carbonization reaction of continuous operation through screw, fully utilizes carbonization smoke afterheat, uses inner reaction cylinder with heating, strengthens uniform property of temperature in the reaction tube, and prolongs service life of packing auger shaft and external wall.    DETAILED DESCRIPTION - Continuous biomass low temperature carbonization comprises drying pretreated biomass raw material with drying device, external heat indirectly heating condition, and placing dried biomass into biomass carbonization device by biomass low temperature carbonization process, to generate pyrolysis gas, biomass tar and biomass carbon; placing biomass pyrolysis gas and tar by collecting directly into combustion chamber, combusting fuel, generating high temperature flue gas by burning directly through pipeline into carbonization device or sending part of flue gas to drying device, transmitting heat to biomass, entering flue gas after heat exchange by indirect heating method, processing final carbonization and drying process of biomass, and purifying fully heat exchange of exhaust gas; and utilizing bin with condensation device and air cooling device, to obtain product after heat exchange and cooling, and placing obtained hot air to combustion chamber and the pyrolysis gas. An INDEPENDENT CLAIM is included for a continuous biomass low temperature carbonization method of carbonization furnace comprising feeding, drying device, pyrolyzing device, cooling device, combustion chamber, connecting pipe and temperature control system, bin (1) provided with heat exchange pipe (101), heat exchange tube connected with fan (102); feeding star feeder (103) connected with drying device (2), and discharge port (3) provided with star-shaped feeder (301) connected with carbonization device (4), pyrolyzing discharge opening (6) provided with valve (8) and star feeder provided with labyrinth guide clapboard, star-shaped feeder connected discharging storage hopper (7), bin comprises star feeder (701) and cooling device (702), tail end cooling device connected with combustion chamber (5), drying device and pyrolyzing device comprising set of sleeved inner heating tube and external heating tube, heating inner wall of heating cylinder, and provided with conveying screw of the two devices in, conveying screw rod connected with electric machine through axis, drying device of inner heating cylinder (201) passing through heating cylinder (202) and provided with water vapor outlet (203), outer heating cylinder of the drying device provided with smoke gas inlet (205) and smoke outlet (206); and carbonization device (401) passing through heating cylinder (402) and pyrolysis gas outlet (403), pyrolysis gas outlet of the combustion chamber, carbonization device of heating cylinder further provided with input port (410), outer heating cylinder of carbonization device provided with high temperature flue gas inlet (404) and high temperature smoke gas outlet (405), high temperature flue gas outlet of the drying device of the gas inlet set on heating cylinder, and combustion chamber provided with supplementary fuel inlet (501) and combustion-supporting gas inlet (502), combustion chamber connected with tail carbonization device heating the high temperature smoke gas inlet.    DESCRIPTION OF DRAWING(S) - The drawing shows a cross-sectional view of the carbonization furnace.    Bin (1)    Drying device (2)    Discharge port (3)    Carbonization device (4)    Combustion chamber (5)    Discharge opening (6)    Discharging storage hopper (7)    Valve (8)    Heat exchange pipe (101)    Fan (102)    Feeding star feeder (103)    Inner heating cylinder (201)    Heating cylinder (202)    Water vapor outlet (203)    Smoke gas inlet (205)    Smoke outlet (206)    Star-shaped feeder (301)    Carbonization device (401)    Heating cylinder (402)    Pyrolysis gas outlet (403)    High temperature flue gas inlet (404)    High temperature smoke gas outlet (405)    Input port (410)    Supplementary fuel inlet (501)    Combustion-supporting gas inlet (502)    Star feeder (701)    Cooling device (702)