A new dynamic ice slurry making apparatus named spiral scraping ice slurry generation was designed and developed by the author, on which the influence of different solution properties was analyzed theoretically and studied experimentally. In the experiment, alcohols and salts were used as additives in order to improve the solution properties. The results showed that the new apparatus could run steadily and could be easily operated. The ice slurry as product has good flowability, with a maximum ice packing factor of 13.68%. The ice crystal particles in ice slurry distribute uniformly, and generally present as strip or oblate, with an average area of between 10-8 and 10-9 m2. The outlet temperature of ice slurry in the apparatus would be influenced by the additives category and concentrations of the solution, and the actual measured temperature is numerically equal to the end temperature of similar solution’s supercooling degree. In terms of the same additives, increasing concentration of the solution would extend the initiation time of apparatus producing ice slurry, reduce the outlet temperature of ice slurry and increase the ice packing fraction of ice slurry. The effect of additive concentration on the size of the ice crystal particles in ice slurry would show different laws when using different kinds and different concentrations of additives.
Cheng HUANG Xi LIU Shi LIN Jiajun LIU Yanjuan TANG Xuelai LI
. Influence of Solution Properties on the Ice Slurry Product by Spiral Scraping Type[J]. The Chinese Journal of Process Engineering, 2017
, 17(3)
: 520
-525
.
DOI: 10.12034/j.issn.1009-606X.216226
