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How does the evaporator perform cooling





After purchasing an evaporator, many users don't know how the equipment is refrigerated. Today, I will introduce it to you in detail:
Evaporators are divided into evaporators for cooling air and evaporators for cooling liquid according to the cooling medium. The refrigerant liquid enters the shell from the bottom or side of the shell, and the vapor is drawn out from the top and returns to the compressor. The refrigerant in the shell always maintains a static liquid level of about 70% to 80% of the shell diameter.

The evaporator is the cold output device in the refrigerator. The refrigerant evaporates in the evaporator and absorbs the heat of the low-temperature heat source medium to achieve a certain cooling purpose. Several pairs of semiconductor thermocouples are connected in series on the circuit, and in terms of heat transfer, they are connected in parallel to form a common cooling thermoelectric reactor. With the help of heat exchangers and other means of heat transfer, the hot end of the thermoelectric reactor continuously dissipates heat and maintains temperature, and blows out the evaporator. Deflagration evaporator manufacturers recommend placing the cold end of the thermoelectric reactor in the working environment to absorb heat and cool it. This is the principle of semiconductor refrigeration.
The evaporator is a very important part of the four major components of refrigeration. The low-temperature condensed liquid passes through the evaporator, exchanges heat with the outside air, vaporizes and absorbs heat, and achieves the effect of refrigeration. The evaporator is mainly composed of two parts: a heating chamber and an evaporation chamber. The heating chamber provides the heat needed for evaporation to the liquid, which promotes the boiling and vaporization of the liquid; the evaporation chamber completely separates the gas-liquid two phases. The cooled medium outside the heat transfer tube of the evaporator is a refrigerant or air, and the refrigerant absorbs heat and evaporates in the tube, and its hourly flow rate is about 20%-30% of the internal volume of the heat transfer tube.
The knowledge explanation about how evaporators perform refrigeration is the above content, I hope it will be helpful to you.


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