Fluorine System R22 and R507a for Ice Machine Industry

    Fluorine ,have you ever heard the gas? The fluorine refrigerating gas is a kind of gas without color and smell. 

    R22 

R22 overall performance is excellent, with good thermal performance. Such as: operating pressure is moderate; cooling capacity per unit volume after ammonia; isentropic index below ammonia, therefore, at the same pressure ratio, exhaust temperature lower than the ammonia; and non-toxic, non-burning and no danger of explosion and so on. R22 and gradually decreased with the emergence of its price, it is air conditioning and refrigeration systems to a wide range of applications. In addition, all Freon resistant copper fluoride varnish and motor are ineffective, therefore, to make various types of compact hermetic compressor to be used. At present, the various types of home air conditioning and cold (hot) water unit, most choose R22 refrigerant.

However ,R22 has the lower cost than R507a.The former is about 30thousand ,and the latter is about 140thousand.We ice block machine and other ice machine use two kinds .

    R507a

For R507A, R404A and R22 carried out in cryogenic applications, theoretical performance analysis is pure refrigerants R22 refrigerant leak -. Charging times has no effect on unit performance and R507A and R404A as refrigerant mixtures, at five times the leak -. Charging after the injection, R507A volumetric cooling capacity is essentially the same, while the amount of R404A refrigerant volume reduced by about 1.6% in the same compressor and the same operating conditions, R507A refrigeration unit than R22 units large 7% ~ 13%, R404A large units than R22 refrigeration unit about 4% to 10% at high ambient temperatures, the efficiency of the unit is slightly higher than R22 R507A and R404A;. ambient temperature is low, the efficiency R507A and R404A unit is slightly higher than the R22.