Recuperative thermal recombining system for handling loss of coo

Details Recuperative thermal recombining system for handling loss of coo Recuperative thermal recombining system for handling loss of coo

1973-11-23

1976-02-10

Carter, Herbert T.

Chemistry of inorganic compounds

Oxygen or compound thereof

Water

176 37, 423248, 423219, C01B 500

Patent

active

039377962

ABSTRACT:
A recycle loop method and recuperative heating system is provided for thermally recombining hydrogen and oxygen, such as may be desired in connection with a dissociated gas stream from a containment vessel for a nuclear reactor under loss of coolant accident conditions. The dissociated charge stream is preferably heated by indirect heat exchange with a resulting water vapor containing combined stream to effect heat conservation and, also preferably, the recuperative heat exchange operation and the high temperature recombining reaction are carried out in a unitary zone incorporating electrical, non-flame, heat input means. A particular feature of the present system resides in having the recycle of a portion of the resulting combined stream from the recombiner section pass into admixture with the hydrogen-oxygen containing charge stream to preclude an explosive condition and further having the quantity of such recycle regulated responsive to a temperature differential being measured across the recombiner zone as an indication of the oxygen level in such charge stream.

REFERENCES:
patent: 2943921 (1960-07-01), King
patent: 3240554 (1966-03-01), Angerhofer
patent: 3385286 (1968-05-01), Jones
patent: 3630778 (1971-12-01), Kreidl et al.
patent: 3658996 (1972-04-01), Frumerman
patent: 3755075 (1973-08-01), Henrig
patent: 3791923 (1974-02-01), Bhan
patent: 3808323 (1974-04-01), Collins et al.
patent: 3859053 (1975-01-01), Parnes

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