Compositions – Frost-preventing – ice-thawing – thermostatic – thermophoric,...
Patent
1981-06-19
1983-12-20
Albrecht, Dennis L.
Compositions
Frost-preventing, ice-thawing, thermostatic, thermophoric,...
165 10, 16510411, 428402, 428403, 428404, C09K 506, F24H 704, F28F 2300
Patent
active
044216610
ABSTRACT:
A high-temperature direct-contact thermal energy storage element for use in a system for storage and retrieval of thermal energy in the range of about 400.degree. to about 2000.degree. F. The thermal energy is directly stored, without heat exchange tubes in composite latent/sensible heat thermal energy storage media utilizing the heat of fusion and high-temperature stability of alkaline metal and alkaline earth carbonates, chlorides, nitrates, nitrites, fluorides, hydroxides, sulfates, and mixtures thereof maintained within a porous support-structure material which itself is capable of storage as sensible heat. The thermal energy storage according to the invention may be effectively utilized for storage of thermal energy derived from solar, industrial waste, process heat, and high-temperature gas reactor energy sources and retrieved for a wide variety of uses such as combustion air preheating, drying, space heating, heating of process gases, and the like.
REFERENCES:
patent: 3669889 (1972-06-01), Juzvuk
patent: 3972821 (1976-08-01), Weidenbenner
patent: 4003426 (1977-01-01), Best
patent: 4115632 (1978-09-01), Kinoshita
patent: 4221259 (1980-09-01), Ronc
patent: 4241782 (1980-12-01), Schoenfelder
patent: 4268558 (1981-05-01), Boardman
Petri, R. J., et al., "Evaluation of Molten Carbonates as Latent Heat Themal Energy Storage Materials", Proc. Intersociety Energy Conversion Engineering Conf., vol. 14(1), 1979, pp. 487-493, Am. Chem. Soc. 8412-0513-2/79/0779-100.
Maru H. C., et al., "Molten Salt Thermal Energy Storage Systems: System Design", Project 8981 Topical Report, Institute of Gas Technology, Chicago, Ill., Feb. 1977, 80 pages.
Claar Terry D.
Petri Randy J.
Albrecht Dennis L.
Institute of Gas Technology
Speckman Thomas W.
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