Abstract
The new fluidization method of liquid-liquid circulating fluidized bed proposed for ice slurry production was investigated experimentally. Multiple small water-drops were formed in another immiscible liquid coolant by a single-nozzle atomizer and frozen in the fluidized bed by direct contact heat transfer. Experiments were conducted to research the dynamic behaviors of jet and drops formation in the ice making system by the high resolution digital camera and image processing. The photos of jet development, breakup and drop formation were obtained. The affects of the shape of jet breakup, jet length and its surface fluctuation on drops size were revealed. The range of drop sizes and the sloping extent have always increased with the jet rate increasing. And varying jet shape directly results in the jet breakup into droplets under different time and test conditions, so the variation laws of the jet shape contribute most to the quality of the liquid drop, such as drop size distribution.
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