Combined reformer and shift reactor

Details Combined reformer and shift reactor Combined reformer and shift reactor

1993-11-22

1995-10-17

McMahon, Timothy M.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Including heat exchanger for reaction chamber or reactants...

422190, 422195, 422197, 422201, 422203, 422211, F28D 704

Patent

active

054588570

ABSTRACT:
A combined reformer and shift reactor comprises a cylindrical reforming chamber arranged within and on the axis of a cylindrical vessel. An annular steam generator is arranged within, and coaxially with, the vessel. The steam generator is arranged around the reforming chamber. A plurality of shift reactors extend axially, with respect to the vessel, through the steam generator. Methane and steam are supplied via helically coiled pipe to the reforming chamber and air is supplied via helically coiled pipe. The methane and steam mixture and air flowing through the pipes are preheated by the reforming chamber product gases flowing in annular passage. The shift reactors convert carbon monoxide and water in the product gases to carbon dioxide and hydrogen and the heat produced is transferred to the water in the steam generator to produce steam.

REFERENCES:
patent: 1797426 (1931-03-01), Larson
patent: 3334971 (1967-08-01), James et al.
patent: 3438759 (1969-04-01), Linden et al.
patent: 3499797 (1970-03-01), Hooper
patent: 3541729 (1970-11-01), Dantowitz
patent: 3615217 (1971-10-01), O'Brien et al.
patent: 3796547 (1974-03-01), Muenger
patent: 3909299 (1975-09-01), Corrigan
patent: 5246791 (1993-09-01), Fisher et al.
DOE/ET/13323 Overview of Fuel-Processing Technologies for Fuel Cell Power Generation, Catalytica File No. 1036, dated Nov. 6, 1978.

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