Method and apparatus for extracting heat from articles with an ebullient liquid freezant
Abstract
Abstract IN A METHOD, AND APPARATUS, FOR EXTRACTING HEAT FROM ARTICLES, AS IN THE FREEZING OF FOOD, WHICH METHOD COMPRISES DIRECTLY CONTACTING THE ARTICLES WITH AN EBULLIENT LIQUID FREEZANT IN AN OPEN VESSEL WITHOUT SIGNIFICANT LOSS OF FREEZANT VAPOR TO THE ATMOSPHERE, WHICH METHOD FURTHER COMPRISES MAINTAINING BY MEANS OF A VAPOR CONDENSER A NON-CONDENSABLE GAS-FREEZANT VAPOR INTERFACE WITHIN THE VESSEL BELOW THE LEVEL OF ALL PATHS TO THE OUTSIDE ATMOSPHERE AND ABOVE THE LEVEL AT WHICH THE ARTICLES COME IN DIRECT CONTACT WITH THE LIQUID FREEZANT, AND INTRODUCING THE ARTICLES INTO AND REMOVING THE ARTICLES FROM THE VESSEL WITHOUT SUBSTANTIALLY DISTURBING THE NON-CONDENSABLE GAS SUCH AS AIR ABOVE THE INTERFACE OR INTRODUCING ESSENTIALLY ANY NON-CONDENSABLE GAS BELOW THE INTERFACE, THE IMPROVEMENT WHICH COMPRISES POSITIONING SAID VAPOR CONDENSER IN AN OPEN HOUSING REMOTE FROM THE VESSEL, CONDUCTING FREEZANT VAPOR THROUGH A SUITABLE CONDUCTING MEANS FROM THE VESSEL TO THE HOUSING, MAINTAINING A NON-CONDENSABLE GAS-FREEZANT VAPOR INTERFACE IN THE HOUSING, AND RETURNING CONDENSED FREEZANT THROUGH A SUITABLE CONDUCTING MEANS TO THE VESSEL.
Inventors
- 👤 Dennis Dale Rudy
Bibliographic Details
Claims Analysis
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