Heat exchange – Regenerator – Checker brick structure
Patent
1982-06-28
1984-10-16
Richman, Barry S.
Heat exchange
Regenerator
Checker brick structure
16510412, 165DIG17, 16510421, 422149, 422189, 422190, 422194, 422196, 585402, 585910, F28D 1500
Patent
active
044769180
ABSTRACT:
A method and apparatus are provided in a chemical heat pipe for shifting the reaction equilibrium in order to operate at a "shifted" temperature without also "shifting" the pressure. A diluent is added to the heat pipe in a constant-pressure manner near a reaction zone. The diluent exists in the gaseous phase at the reaction zone so as to shift the reaction equilibrium. This has the effect of "shifting" the temperature required for the reaction to proceed to a predetermined extent. The diluent is chemically inert in the particular reacting system and is removed from the system so as not to increase the pressure therein. In a preferred embodiment, methylcyclohexane is dissociated by endothermic reaction at a heat source position to form toluene and hydrogen and water is added to the heat pipe at or near the heat source position to form a diluent of water vapor at the reaction zone. The diluent is removed from the system downstream of the reaction zone, as by a desiccant.
REFERENCES:
patent: 4044821 (1977-08-01), Fletcher et al.
patent: 4161210 (1979-07-01), Reid et al.
Johnson William R.
Richman Barry S.
Schneeberger Stephen A.
United Technologies Corporation
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