Refrigeration – Processes – Accumulating holdover ice in situ
Patent
1995-08-15
1997-02-04
Rivell, John
Refrigeration
Processes
Accumulating holdover ice in situ
62 70, 62344, 62534, 16510417, 16510425, F25D 300
Patent
active
055987125
ABSTRACT:
A latent heat accumulation system having a transfer mechanism comprises a production tank in which water is put in direct contact with an antifreezing liquid which does not combine with the water, has a specific gravity greater than that of the water and is cooled to a preset temperature level, thus producing ice particles, a recovery section, formed at a lower part of the production tank, for recovering the antifreezing liquid descending within the production tank, an upward pipe, connected to the production tank, for guiding upward a two-phase stream of the water and ice particles within the production tank, a transfer pipe, connected to the upward pipe, for transferring the two-phase stream to a specified place, a reservoir tank for storing the two-phase stream transferred via the transfer pipe, a water circulation system for draining the water from the reservoir tank and introducing the drained water into the production tank, and an antifreezing fluid circulation system for cooling the antifreezing fluid recovered by the recovery section and feeding the cooled antifreezing fluid into the production tank for bringing the antifreezing fluid into direct contact with the water.
REFERENCES:
patent: 3390537 (1968-07-01), Callen
patent: 4596120 (1986-06-01), Knodel et al.
patent: 4840652 (1989-06-01), Simon et al.
Proceedings of The 2nd International Conference on Multiphase Flow '95-Kyoto, Apr. 3-7, 1995, vol. 3, "Experimental Study on Frazil Ice Formation and Characteristics of Direct Heat Transfer Between Two Liquids", by Y. Watanabe, et al., pp. EN25-EN31.
Hachimonji Takayuki
Noma Tsuyoshi
Sekita Sanae
Watanabe Yutaka
Yamashita Katsuya
Atkinson Christopher
Kabushiki Kaisha Toshiba
Rivell John
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