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Continuous process for partial freezing of a solution |
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Alain LE BAIL
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TECHNICAL DESCRIPTION
This invention describes a process for binary ice production to develop an innovative secondary refrigerant. Unlike existing systems, the present prototype does not use any mechanical moving pieces. It is composed of a modular element with 300 watts of power to produce a partially frozen secondary refrigerant. This specific heat exchanger is in contact with a primary refrigerant (compression unit) for refrigeration. Under suitable conditions, binary ice can be provided at a flow rate of 50 to 100 ml/min (from 3 to 6 litres/h for an element). Several modular elements can be used together for a binary ice production device with adaptable and unlimited power. The aim of this device is to continuously produce a secondary refrigerant (binary ice) made of a mixture of water and alcohol with a title between 5 and 15%. When partially frozen this refrigerant has an elevated refrigerating potential at a constant temperature which is a marked improvement to conventional secondary refrigerants.
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