Patent ID: 11872549
Assignee: DALIAN INSTITUTE OF CHEMICAL PHYSICS, CHINESE ACADEMY OF SCIENCES
Field: Chemical engineering (Chemistry)
Classification: CPC B  C  Y | IPC B  C

Claim 1:
2. The fluidized bed reactor according to claim 1, wherein in the coke control zone, the n baffles comprise a 1st baffle, and a 2nd baffle to an nth baffle;
no catalyst circulation hole is formed in the 1st baffle;
the catalyst circulation hole is formed in each of the 2nd baffle to the nth baffle;
a coke control zone catalyst inlet is formed in a 1st coke control zone subzone formed through division by the 1st baffle and the 2nd baffle;
a coke controlled catalyst delivery pipe is arranged in an nth coke control zone subzone formed through division by the 1st baffle and the nth baffle, and an outlet of the coke controlled catalyst delivery pipe is formed in the reaction zone;
the coke control raw material inlet is formed at bottoms of the coke control zone subzones, and the coke control raw material inlet is a coke control zone distributor; and
a coke control zone gas delivery pipe is arranged at tops of the coke control zone subzones, and an outlet of the coke control zone gas delivery pipe is formed in the first gas-solid separation zone.