The characteristics of low temperature freezer in ethylene glycol coolant solution
Refrigeration in a variety of industrial cooling purposes, some industries are required to use the frozen water temperature is 0 degrees Celsius, which is often seen in the chemical, pharmaceutical, electroplating and other industries in the application of cold water machine. So, do not freeze in the following selection solution of 0 DEG C as refrigerant low temperature freezer industry, to understand the characteristics of concentration, temperature and solution of condensate. The refrigerant used is sodium chloride or calcium chloride solution and glycol solution, here, simple concentration of glycol solution and requirement of data using temperature to provide reference in low temperature cold water machine selection. By the way, "how much is the ratio of ethylene glycol aqueous solution used for refrigeration?" How to cool? What is the difference between water and refrigerant?" Problem.
     Ethylene glycol solution is used as antifreeze, which means that it can be used as low temperature 0 degrees below the secondary refrigerant. As we all know, the solidification freezing point of water is 0 degrees, and ethylene glycol solution on the freezing point and the concentration of the solidification crystallization point for its solution with different concentration is different, the higher the concentration of solidification crystallization temperature of it is lower,
The use of temperature of coolant concentration% initial solidification temperature c
0 DEG ethylene glycol aqueous solution of 16 -7
-5 DEG ethylene glycol aqueous solution 23.6 -13
-10 DEG ethylene glycol aqueous solution 31.2 -17
-15 DEG ethylene glycol aqueous solution 40 -22
-20 DEG ethylene glycol aqueous solution 45 -27.5
-25 DEG ethylene glycol aqueous solution 50 -33.8
-30 DEG ethylene glycol aqueous solution 53 -37.9
-35 DEG ethylene glycol aqueous solution 57 -44
- here is a description of the use of "temperature" refers to the need for ethylene glycol solution to achieve the cooling temperature.
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