High temperature, heat storage and retrieval system

Details High temperature, heat storage and retrieval system High temperature, heat storage and retrieval system

1978-12-21

1981-02-10

Davis, Albert W.

Heat exchange

Regenerator

Checker brick structure

126400, 165104S, 165107R, 165111, 252 70, F28D 2100

Patent

active

042495920

ABSTRACT:
Energy is stored by heating a salt to a temperature above its latent heat of fusion to convert the salt to a liquid state. Heat is retrieved by moving a heat transfer fluid consisting of liquid metal or metals immiscible with the salt, and having a density less than that of the salt, over the top surface of the liquid salt at such a velocity that the upper layer of the salt is emulsified with the heat transfer fluid to crystallize the salt in the upper layer. Heat is thereby exothermally surrendered to the heat transfer fluid and the crystallized salt gravitates from said top surface, thereby maintaining the top surface in a liquid state. It is preferred to move the heat transfer fluid over the top surface of the salt in either a vortex pattern, or an outward radial pattern.

REFERENCES:
patent: 2996894 (1961-08-01), Shade
patent: 3952519 (1976-04-01), Watson
patent: 4109702 (1978-08-01), Greene

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