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The kind of refrigerant used for flake ice machine

2022/03/03


Flake ice machine is composed of four basic components: refrigeration compressor, condenser, expansion valve and evaporator. They are connected in turn by pipes to form a closed system. The refrigerant continuously circulates in the system, changes its state, and exchanges heat with the outside world. Refrigerant is an important medium of flake ice machine, which is equivalent to human blood.















The flake ice machines currently on the market mainly use R22 and R404 refrigerants.



The daily production of 300 kg-3 ton small flake ice machine mainly uses R404 refrigerant. R404 is an environmentally friendly refrigerant that does not destroy the ozone layer.



A large and medium-sized flake ice machine with a daily output of 5 to 60 tons mainly uses R22 refrigerant. R22 refrigerant is cheap and has excellent thermal performance, but it will destroy the ozone layer.



Now large and medium-sized flake ice machines also use R134a environmentally friendly refrigerant, but the thermal performance of R134a is only 60% of R22. The thermal conductivity of R134a is 90% of that of R22, so a larger cold machine is required. In a comprehensive comparison, the flake ice machine using R134a refrigerant is half more expensive than the R22 flake ice machine.

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