Reactor for exothermic heterogeneous synthesis reactions

Details Reactor for exothermic heterogeneous synthesis reactions Reactor for exothermic heterogeneous synthesis reactions

1990-03-09

1992-12-15

Johnston, Jill A.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Ammonia synthesizer

422192, 422194, 422201, 422218, 423360, B01J 804, C01C 104

Patent

active

051715430

ABSTRACT:
Synthesis gas is reacted in several catalytic beds having axial-radial or radial flow. Reacted gas is collected at an outlet of a final catalytic bed and is transferred to a reaction heat recovery system situated at a top of a reactor. The reactor includes three catalytic beds, two or more beds having inverted, curved bottoms. A first quenching system is located in the reactor and includes a distributor situated inside a first, upper bed at a location immediately under an unperforated portion of an internal wall of that bed. A gas/gas heat exchanger is located centrally within one or more of two upper beds located within the reactor. A water pre-heater or boiler is located inside an upper bottleneck portion of a shell of the reactor and is fed with reacted gas collected from a lowermost catalytic bed.

REFERENCES:
patent: 4311671 (1982-01-01), Notman
patent: 4904453 (1990-02-01), Zardi
patent: 4952375 (1990-08-01), Zardi

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