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Ice Slurry Formation of a Solution in a Pressurized Plate Heat Exchanger  

Lee Dong-Gyu (Graduate School, Chonbuk Notional University)
Kim Byung-Seon (Graduate School, Chonbuk Notional University)
Peck Jong-Hyeon (Korea Institute of Industrial Technology)
Hong Hi-Ki (School of Mechanical and Industrial System Engineering, KyungHee University)
Kang Chae-Dong (Department of Mechanical Engineering, Chonbuk National University)
Publication Information
Korean Journal of Air-Conditioning and Refrigeration Engineering / v.18, no.7, 2006 , pp. 596-602 More about this Journal
Abstract
Ice adhesion and blockage problems have been issued in continuous ice slurry making process. So we composed continuous ice slurry making device using a commercial small plate heat exchanger (PHX), and investigated character of ice formation. An experiment of ice formation was peformed with an aqueous solution of ethylene glycol 7 mass%. In the experiment, the effect of the pressurization on ice slurry formation during the cooling process was investigated. The pressurization test for the aqueous solution was performed by setting valves at the PHX inlet and outlet. At the results, the time of continuous ice formation increased as the pressure of the plate heat exchanger increased for cooling temperature of $-5^{\circ}C$. Also continuous ice formation at the cooling temperature of $-7^{\circ}C$ showed a possibility. It was found that the pressurization may contribute to suppress the dissolution of supercooled aqueous solution in the PHX.
Keywords
Ice slurry; Continuous ice formation; Plate heat exchanger; Pressurization; Supercooling;
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