Ice ball type cold storage air conditioning system uses a cold storage tank containing ice balls to store cold.The shell of the ice ball is made of high-density polyolefin material and is filled with a cold storage solution with high solidification melting latent heat.And use the coolant to flow through the gap between the balls in the cold storage sample to exchange the cooling capacity with the ice ball. When using brine unfrozen liquid or evaporation coil to make ice, the brine or refrigerant is in the pipe and the cold storage is outside the pipe, while the coolant of the ice ball type cold storage system flows outside the pipe and the cold storage body is in the ball. The maximum heat transfer area can be released to achieve efficient wet cooling and cold storage. It is widely used in ice storage system.
The traditional coolant is ethylene glycol, which has low viscosity and high specific heat under service conditions, so it is also widely used. However, in the system used for many years, the coolant has been seriously corroded. During the use process, it is found that the efficiency of the cold storage system has decreased, and the surface of the ice ball is attached with rust and dirt.
By establishing the flow model of ice storage tank, some researchers conducted experiments on the flow direction, inlet flow rate and physical property parameters of the coolant, and found that the higher the inlet flow rate, the coolant flows in from the bottom and out from the top, the lower the viscosity of the coolant, and the larger the Nu number tested.In some practical projects, relevant processes have been adopted, but ethylene glycol has been used as coolant, and there is no more suitable product.Glacial Coolant LM-4 uses modified ethylene glycol, which has low viscosity, higher specific heat and similar density. It can directly replace the traditional ethylene glycol system without corrosion.For the ice ball storage system, the glacier coolant LM-4 is suitable. At present, the company has several applications, and the application effect is good.
Glacier Coolant focuses on the research and development of coolant and the application experiment of coolant system, and customizes exclusive coolant for different systems.