Abstract
The effect of butane gas agitation on the crystallization of ice has been investigated in an experimental crystallizer which consists of a crystallization room, an evaporation room and twelve butane spray nozzles. The structure of the butane spray nozzle was similar to that of a pneumatic atomizer and butane gas evaporated in the evaporation room was used instead of compressed air.
This device promoted both the evaporation of butane and the strongagitation of sea water in the crystallization room, and therefore, ice was efficiently crystallized. The specific production rate of ice in this crystallizer was 0.55 kg/hr/kg-solution and thesuperheating for evaporation of butane (the driving force for freezing) was in the range between 0.8°C and 1.6°C.
