Heat exchange – Regenerator – Checker brick structure
Patent
1974-09-19
1976-09-21
Nozick, Bernard
Heat exchange
Regenerator
Checker brick structure
55 80, 55 96, 55267, 165107, 165119, F25B 1300
Patent
active
039813550
ABSTRACT:
Methods are provided for countercurrent heat exchange between gas and a solid granular material arranged in an improved panel bed. The methods afford outstandingly low pressure drop in the gas, and especially short residence times of gas in the panel bed during its heating or cooling. The methods are useful at extreme temperatures, such as temperatures beyond 2000.degree.F. They are useful for heating air for process use against products of combustion of a fuel; for heating air for combustion of low-grade fuels and wastes of low heating value against their products of combustion; for heating a feed gas to a process against a gaseous or vapor effluent therefrom; and for removing particulate matter from the gas being heated or cooled, as, for instance, when the gas is an effluent from a fluidized bed of particulate solids. The methods are useful for storing heat or cold in a granular material where a hot or cold gas is available at a time inconvenient for utilizing the heat or cold in the gas; the methods are then advantageously employed to liberate the stored heat or cold to a gas when it is needed.
REFERENCES:
patent: 2601102 (1952-06-01), Dickey
patent: 3296775 (1967-01-01), Squires
patent: 3800508 (1974-04-01), Zenz
Nozick Bernard
Saffitz Abraham A.
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