NOVELTY - A staged temperature-control fluidized bed typed quick biomass pyrolytic reactor, comprises four cylindrical stainless steel pipes; where the two ends of the stainless steel pipe are respectively welded with stainless steel flange discs; the top of the pyrolytic reactor is set with a stainless steel cover; the one side, top end, and lower end of the cover are respectively arranged with a gas discharge outlet, a temperature measuring opening, and a stainless steel flange disc; and the bottom of the pyrolytic reactor is provided with a tapered gas inlet.    USE - The staged temperature-control fluidized bed typed quick biomass pyrolytic reactor is useful for industrial applications.    ADVANTAGE - The staged temperature-control fluidized bed typed quick biomass pyrolytic reactor solves the problems of precise medium-temperature control in quick pyrolysis and high energy consumption. Moreover, by using partitioned-zone and staged temperature control process, the reactor is high in pyrolytic effect and convenient for operation. Additionally, it is proved by experiment that the staged temperature-control fluidized bed typed quick biomass pyrolytic reactor works stably in different processing conditions and consumes low energy with oil yield over 60%.    DETAILED DESCRIPTION - A staged temperature-control fluidized bed typed quick biomass pyrolytic reactor, comprises four cylindrical stainless steel pipes; where the two ends of the stainless steel pipe are respectively welded with stainless steel flange discs, and the middle of the stainless pipe at the lowest section is provided with a feed inlet; the top of the pyrolytic reactor is set with a stainless steel cover; the one side, top end, and lower end of the cover are respectively arranged with a gas discharge outlet, a temperature measuring opening, and a stainless steel flange disc; the bottom of the pyrolytic reactor is provided with a tapered gas inlet, and upper part of the reverse tapered gas inlet is arranged with a stainless steel net and a gas distribution plate; the upper and lower part of the reverse tapered gas inlet are respectively arranged with flange discs; the diameter of the quick biomass pyrolytic reactor is 100 mm, and heights of the four sections are respectively equal to 150 mm, 200 mm, 300 mm, and 200 mm; the middle of the stainless pipe at the lowest section is provided with a feed inlet with diameter of the opening equal to 32 mm; the gas discharge outlet of the quick biomass pyrolytic reactor is rectangular and it is 25 mm long and 20 mm wide; the stainless steel net at upper part of the reverse tapered gas inlet at bottom of the quick biomass pyrolytic reactor is 160 meshes, and aperture of the gas distribution plate is 0.30; the diameter of gas inlet at the lower part is 32 mm; the biomass particles are fed into the first quick biomass pyrolytic reactor through a conveyer to be fully mixed with the heat carrier in the first section of quick biomass pyrolytic reactor and into a quick pyrolytic reaction in the second section of reactor; the temperature of the quick pyrolytic reaction is controlled through controllable silicon; the formed pyrolytic gas and pyrolytic solid charcoal and unreacted fine biomass particles are fed into the third section of reactor for reaction, and the temperature is controlled with a pressure regulator (1); the pyrolytic gas and solid charcoal are fed into the fourth section of reactor called buffer zone by carrier gas; and the temperature is controlled with a pressure regulator (2).    DESCRIPTION OF DRAWING(S) - The drawing shows a schematic diagram of the staged temperature-control fluidized bed typed quick biomass pyrolytic reactor.    Pressure regulator (1,2)