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 3:
4. The fluidized bed reactor according to claim 1, wherein the first gas-solid separation zone is provided with a first gas-solid separation unit and a second gas-solid separation unit;
a catalyst outlet pipe of the first gas-solid separation unit penetrates through a top of the coke control zone and is inserted in a 1st coke control zone subzone;
a gas outlet of the first gas-solid separation unit is formed in the first gas-solid separation zone;
an inlet of the second gas-solid separation unit is formed in the first gas-solid separation zone; and
a catalyst outlet end of the second gas-solid separation unit is located in the reaction zone;
wherein a first gas collection chamber is arranged in an upper part of the first gas-solid separation zone; a gas outlet of the second gas-solid separation unit communicates with the first gas collection chamber; and the first gas collection chamber further communicates with a product gas delivery pipe.