Water freezing enhancement for thermal storage brine tube

Details Water freezing enhancement for thermal storage brine tube Water freezing enhancement for thermal storage brine tube

1987-11-19

1988-07-19

Capossela, Ronald C.

Refrigeration

Processes

Accumulating holdover ice in situ

62 69, 62332, 62434, 165133, 165905, F25D 300

Patent

active

047576901

ABSTRACT:
The brine tube of an ice thermal storage tank has a surface enhancement which provides nucleation sites for ice formation, and reduces the need to superchill the water. The tubing enhancement comprises a multiplicity of solid mineral particles distributed evenly over its surface. The particles have jagged, multi-faceted surfaces which adsorb air. When the brine in the tube cools the water to the freezing point, the adsorbed air coalesces into air bubbles that serve as nucleation sites. This permits freezing to initiate a temperature of about 31.5.degree. F.

REFERENCES:
patent: 3207209 (1965-09-01), Hummel
patent: 3247678 (1966-04-01), Mohlman
patent: 3609991 (1971-10-01), Chu et al.
patent: 3653942 (1972-04-01), Boebel et al.
patent: 4294083 (1981-10-01), King

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