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Description: A technique for producing a block of ice using the coldness of outdoor air was developed. Thin layers of water were sprayed on the ice surface, and cold air was blown onto the water to accelerate freezing. A time-temperature integrator was developed and used to control the timing of water application. A nice height sensor, and lifting mechanism were developed to maintain the air and water distribution circuits at an optimal height above the ice surface. Tests were performed to develop optimum design criteria for the components of the automated system. For a large system, the price of the ice was established at $15 per tonne, compared to the current price of $25 per tonne. This system also reduced the energy consumption for ice production 12 times compared to a conventional mechanical refrigeration system.

Keywords: development of an automated ice-block-making system utilizing winter outdoor air
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Citation: Vigneault, C., Lemieux, M. and D.I. Masse 1988. DEVELOPMENT OF AN AUTOMATED ICE-BLOCK-MAKING SYSTEM UTILIZING WINTER OUTDOOR AIR. Canadian Agricultural Engineering 30(1):77-82.
Volume: 30
Issue: 1
Pages 77 - 82
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Date: 1988
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Coverage: Canada
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