Importance

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Abstract

An icebank system is provided for refrigerating produce areas and providing air conditioning in supermarkets. The system is adapted to handle all refrigerating and cooling requirements of supermarkets including produce cases, beverage coolers, food preparation areas, and air conditioning. The icebank system allows a supply of ice to be built up in an icebank storage tank in off-peak hours when the cost of electrical power is lowest. Cold water is circulated from the icebank storage tank to the various produce areas where cooling is required. Each produce area is provided with a heat exchanger which receives cold water from the icebank storage tank to maintain a low refrigeration temperature in the produce area. Each produce area is tapped into a main water conduit extending from the icebank storage tank. The spent water from each produce area is returned to the icebank storage tank via a return conduit. The spent water is still sufficiently cold to be used to maintain a low condensing temperature in a conventional refrigeration unit. The cold water from the icebank storage tank is also supplied to an air conditioning unit to cool the ambient air in the supermarket.

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First Claim