Falling shot heating method and apparatus

Details Falling shot heating method and apparatus Falling shot heating method and apparatus

1981-08-31

1983-07-05

Favors, Edward G.

Liquid heaters and vaporizers

Noncombustible heater

Water in contact

122367PF, 16510417, F22B 102

Patent

active

043912281

ABSTRACT:
Process and apparatus for the heating of fluids by heat exchange with falling shot particles. A heat-transfer medium is heated to a temperature above its melting point to produce a body of molten heat-transfer medium at an elevation above a fluid heating zone. The molten medium is sparged downardly into the heating zone where it contacts fluid therein. The molten medium is solidified to form shot particles and the aqueous fluid in contact therewith is heated. The resulting steam or hot water is recovered from the heating zone and the relatively cool shot particles are recovered from the heating zone and recirculated for heating to produce molten heat-transfer medium as described above. The heat-transfer medium may take the form of heavy metals such as lead and lead alloys. Where hard water is used as the feed to the heating zone, the resulting scale deposits are recovered with the shot particles and then separated therefrom prior to recirculating the shot particles for melting to form the molten heat-transfer medium.

REFERENCES:
patent: 1152898 (1915-09-01), McKee
Shaw et al., A New Method of Efficient Heat Transfer and Storage at Very High Temperatures; 8-1980.

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