Water chiller is generally used in refrigeration equipment and cooling units, widely used in industrial production, and the use of energy consumption can not be ignored. How to achieve a stable and efficient operation in the use of refrigeration equipment, how to make chiller cooling efficiency best?
First of all, we analyze the refrigeration principle. Refrigeration compressor of high temperature and high pressure refrigerant gas into the condenser cooling (air cooling unit through the fan; water-cooled unit through the cooling water refrigerant) after the condensation after drying filter was purified by the expansion device into the evaporator evaporation, the refrigerant gas into high temperature and low pressure back to the compressor. Thus reciprocating, forming a refrigeration system. Therefore, reasonable control of evaporation temperature (or evaporation pressure) and condensing temperature (or condensing pressure) is the key to refrigeration equipment.
When the evaporation temperature (or evaporation pressure) is lower, the refrigerating capacity of the refrigeration equipment will be reduced, and the efficiency of the refrigeration equipment will be reduced. When condensing temperature (or condensing pressure) is higher, the energy consumption of refrigeration equipment increases, which affects the service life of refrigeration compressor and the normal operation of refrigeration system. The chilled water chiller is a system that cools the compressed air to an effective dew point temperature through the refrigeration system. It condenses, condenses and discharges the water, oil and impurities in the compressed air so as to achieve clean compressed air.
Therefore, the evaporation temperature of the refrigeration system is best not to be below 0 degrees, so as to avoid cooling efficiency and frosting. The condensing temperature of the refrigeration system should not be higher than 54 degrees, but not less than 38 degrees centigrade. When the evaporation temperature is low, the condensing temperature is low, and the evaporation temperature is high when the condensing temperature is low. If there is a contrast, that is the problem of refrigeration system configuration and device debugging.
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