Fluidized bed reactor

The utility model discloses a fluidized bed reactor, including reactor barrel, buffer segment, gas -liquid distributor, backup pad, this reactor barrel is hollow cylinder shape, and the buffer segmentis the funnel shape, and cylinder bottom is connected with the reactor, and the buffer segment bottom is equipped with the raw material feed pipe, be equipped with a plurality of round holes in the backup pad, a plurality of gas -liquid distributor set firmly in the backup pad, and gas -liquid distributor is the hollow cylinder structure, and its lateral wall and top are equipped with a pluralityof random micropores, the lucky rigid coupling of round hole in gas -liquid distributor open -ended bottom and the backup pad, the backup pad rigid coupling is equipped with catalyst inlet and reaction product outlet in reactor barrel bottom, the top of reactor barrel, and the catalyst export is located reactor barrel lower part and is located on the gas -liquid distributor. The utility model hasthe advantages of the gas