F - Mech Eng,Light,Heat,Weapons – 25 – B
Patent
F - Mech Eng,Light,Heat,Weapons
25
B
62/127
F25B 9/00 (2006.01) F24J 3/06 (2006.01) F25B 29/00 (2006.01)
Patent
CA 1300901
(57) ABSTRACT OF THE DISCLOSURE This publication describes a method and an apparatus for the utilization of the heat of melting of water. In accordance with the method, the gaseous heat transfer medium is led into a turbine (2) where the medium is expanded to a lower pres- sure. The heat medium is led to a container (5) where water is conveyed via a pipe (6), the heat medium with heat energy stored into it from the water is led from an upper part (14 of the container (5) to a compressor (16) where the medium is compressed to a higher pressure by means of energy obtained from the turbine (2) via a turbine shaft (3) and from a motor (18) via a shaft (17), and the heated medium is led out from the system. In accordance with the invention, the heat trans- fer medium is expanded in the turbine (2) to such a low pres- sure that its temperature falls below the freezing point of water, a major part of the water conveyed to the container (5) is sprayed in small droplets into a spray chamber (8) where the heat of melting of water is transferred into the medium, part of the water is sprayed directly on the walls of the container (5) in order to prevent their freezing, and water with icelets falling to a bottom space (9) of the container is forced into a rotating movement in order to prevent clog- ging. Water with icelets forced into movement is sucked out with a pump (10) from the container bottom space (9). Accord- ing to the method, heat energy can be extracted from freezing water by means of a continuous process.
528494
Imatran Voima Oy
Swabey Ogilvy Renault
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