Heat exchanger for fuel cell power plant reformer

Details Heat exchanger for fuel cell power plant reformer Heat exchanger for fuel cell power plant reformer

1987-08-27

1988-11-01

Davis, Jr., Albert W.

Heat exchange

Regenerator

Checker brick structure

165 47, 165140, 429 17, 429 20, 429 26, F28D 708, H01M 804, H01M 818

Patent

active

047812419

ABSTRACT:
A heat exchanger uses the heat from processed fuel gas from a reformer for a fuel cell to superheat steam, to preheat raw fuel prior to entering the reformer and to heat a water-steam coolant mixture from the fuel cells. The processed fuel gas temperature is thus lowered to a level useful in the fuel cell reaction. The four temperature adjustments are accomplished in a single heat exchanger with only three heat transfer cores. The heat exchanger is preheated by circulating coolant and purge steam from the power section during startup of the latter.

REFERENCES:
patent: 3615850 (1971-10-01), Chludzinski
patent: 4004947 (1977-01-01), Bloomfield
patent: 4333992 (1982-06-01), Healy
patent: 4362788 (1982-12-01), Maru et al.
patent: 4670359 (1987-06-01), Beshty et al.

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