Shanxi recycled old insulation board for cold storage. Thermal storage insulation board uses liquid with very low gasification temperature, also called refrigerant, to evaporate it into gas at low pressure, thus absorbing heat and achieving the purpose of cooling. The expansion valve in the refrigeration equipment of the cold storage senses the change of superheat at the outlet of the evaporator through the temperature sensing bag, which leads to the pressure change of the filling material in the temperature sensing system.

In addition to low boiling point, refrigerants for cold storage should be harmless to human organs, non-corrosive to metals, non-flammable and not chemically reactive with lubricants. It should also have good heat absorption performance, more evaporation heat absorption, low pressure, low viscosity and low price of high-pressure condensation system.

Definition of cold storage and function of polyurethane cold storage insulation board

Cold storage is a building that uses artificial refrigeration to make a very fixed space reach the specified temperature, and it is also very convenient to store goods. The insulation board of cold storage is what we usually call polyurethane cold storage, so the insulation board of polyurethane cold storage depends on the requirements of users or specific projects.