Using air for refrigeration offers multiple advantages. For one, air is available everywhere, can be used safely and – with a GWP of 0 – does not promote climate change in any way. In addition to this, temperatures below -80 °C can easily be achieved with cold air machines such as the HOF CryoBlizzard. Legal regulations regarding the F-Gas Regulation consequently do not apply.
Ambient air as a natural refrigerant
This approach is at the core of the new and innovative HOF CryoBlizzard for refrigeration. This cold air machine allows low temperatures to be generated at a very low operating pressure using the cold air process with heat recovery. The HOF CryoBlizzard as a closed cold air machine is speed controlled and can therefore be run under partial load very efficiently.
Cooling is provided by a primary tank from which several consuming units can draw cryogenic oil. The thermal oil tank allows a high refrigeration demand to be satisfied with the relatively low refrigeration capacity of the cold air machines. And even temperatures below -80 °C can easily be achieved with the innovative and forward-looking refrigeration technology of the HOF CryoBlizzard.