Method for reversing two regenerators

Details Method for reversing two regenerators Method for reversing two regenerators

1982-09-30

1984-01-10

Davis, Jr., Albert W.

Heat exchange

Regenerator

Checker brick structure

165 5, 165 7, F28D 1700

Patent

active

044248571

ABSTRACT:
To prevent disruptions in downstream processes due to non-uniform flows arising from the switching operation in two interchangeable regenerator systems, both the feed of a cold fluid to the cooled regenerator and the feed of a hot fluid to the heated regenerator are interrupted, the hot fluid is then introduced into the cooled regenerator while the cold fluid is first conducted through a heat accumulator connected in parallel with the regenerators; a portion of the fluid heated in the heat accumulator is fed into the heated regenerator to purge residual hot fluid therefrom and subsequently the cold fluid is passed in its entirety through the heated regenerator. Particular application is in preventing disruption in the flow, composition and temperature of air of combustion preheated by flue gas.

REFERENCES:
patent: 2121733 (1938-06-01), Cottrell
patent: 4030896 (1977-06-01), Wimber et al.
patent: 4349069 (1982-09-01), Beck

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