NOVELTY - Self-thermal, quick biomass pyrolysis liquefying device comprises a combustion furnace (19), a spiral feeder (11), a fluidized bed reactor (12), heating jacket (20), a cyclone separator (7), a condensing tower, first flue gas heat exchanger, second flue gas heat exchanger and a circulating fan. The spiral feeder is connected to the lower part of fluidized bed reactor. The heating jacket is sleeved on outer wall of the fluidized bed reactor middle section. The top of the combustion furnace is connected with the bottom air inlet of the high temperature flue gas pipe and the heating jacket.    USE - Used as self-thermal, quick biomass pyrolysis liquefying device.    ADVANTAGE - The device: circularly utilizes the pyrolysis tail gas to recover the heat of high temperature flue gas, and utilizes waste heat of the smoke, and reduces the energy consumption of the device, thus saving energy; and easily controls the production process.    DETAILED DESCRIPTION - Self-thermal, quick biomass pyrolysis liquefying device comprises a combustion furnace (19), a spiral feeder (11), a fluidized bed reactor (12), heating jacket (20), a cyclone separator (7), a condensing tower, first flue gas heat exchanger, second flue gas heat exchanger and a circulating fan. The spiral feeder is connected to the lower part of fluidized bed reactor. The heating jacket is sleeved on outer wall of the fluidized bed reactor middle section. The top of the combustion furnace is connected with the bottom air inlet of the high temperature flue gas pipe and the heating jacket. The heating jacket is connected with the air outlets of the first and second heat exchangers. The air inlet and outlet of the fluidized bed reactor and top part of the cyclone separator are connected with the air inlet and the outlet of the condensing tower. The lower part of collecting tank of the cyclone separator is connected with the air outlet of the lower part of the condensing tower through spray head. The top part of condensing tower is connected to the lower part of the oil storage tank. The upper part of the condensing tower and non-condensable gas outlet of circulating fan are respectively connected with the cold air inlet of the first smoke gas heat exchanger and the second heat exchanger. The first gas heat exchanger in the cold air outlet is connected to the pool pump line with the fluidized bed reactor of fluidized carrier gas inlet. The second heat exchanger of cold air outlet is connected to the pool pump line and the bottom of the combustion furnace for combustion of incondensable purgative gas.    DESCRIPTION OF DRAWING(S) - The figure shows a schematic view of the self-thermal, quick biomass pyrolysis liquefying device.    Cyclone separator (7)    Spiral feeder (11)    Fluidized bed reactor (12)    Combustion furnace (19)    Heating jacket (20)