Study on sub-cooler based on the characteristics of the super-hydrophobic surface

Nowadays, it is a growing need for energy shortage and environmental protection, and therefore the development of air conditioning and cooling system with ice slurry system has an important significance and broad application prospect. The ice-making using sub-cooling water has become one of the most stressed dynamic ice-making methods because of its simple structure, high heat transfer efficiency and high ice-making efficiency. However, the ice blockage occurs too frequently, resulting in a discontinuous ice-making and reducing the efficiency of the system. Aiming at dealing with the ice blockage, the experiment with the super-hydrophobic sub-cooler has been carried out, which provides theoretical and experimental basis for the optimum design of the ice-making system. It was found that a large sub-cooling degree and a long lasting time of sub-cooling state can be obtained with the super-hydrophobic sub-cooler, increasing the yield of ice slurry. As a result, the efficiency of the ice-making system is improved, achieving the purpose of energy saving.