Converters for heterogeneous catalytic synthesis, particularly f

Details Converters for heterogeneous catalytic synthesis, particularly f Converters for heterogeneous catalytic synthesis, particularly f

1988-12-22

1992-08-04

Woodard, Joye L.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Ammonia synthesizer

422192, 422198, B01J 804, C01C 104

Patent

active

051357224

ABSTRACT:
A converter for heterogeneous catalytic synthesis under pressure, consisting of an external shell in a single piece and inside this of at least a cartridge containing a catalyst arranged in one or more beds contained in catalyst-carrying baskets. An external wall of these baskets is provided with means that protrude from the closed bottom and are coupled, in order to be supported, with means protruding from the internal continuous face which extends substantially along the entire axial height of the converter and is the nearest to the internal wall of the baskets. An unflanged labyrinth seal is located between two centrally located heat exchangers contained within the converter.
For reactions at high pressures, the wall holding the protruding support rings at the bottom of the baskets is a cartridge wall in a single piece that extends substantially along the whole shell and forms with this an airspace.
For reactions at low pressures, the support rings of the basket bottoms protrude from the internal surface of the shell. At least one of the catalytic beds supported by the baskets or elementary cartridges is centrally crossed by an indirect heat exchanger.

REFERENCES:
patent: 4372920 (1983-02-01), Zardi
patent: 4405562 (1983-09-01), Zardi et al
patent: 4769220 (1988-09-01), Zardi

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