Air purge device

A air purge device comprising:

• an air purge pipe connected to a condenser and configured to extract a mixed gas containing a refrigerant gas and an uncondensable gas from the condenser;
• a separation film provided to the air purge pipe and configured to separate, by a pressure difference, an uncondensable gas from the mixed gas extracted by the air purge pipe;
• an exhaust pipe configured to externally guide a gas containing the uncondensable gas separated by the separation film;
• a vacuum pump provided to the exhaust pipe and configured to externally discharge a gas present inside the exhaust pipe;
• and
• a pipe heating unit configured to heat a mixed gas present inside the air purge pipe upstream of the separation film.

A air purge device comprising:

• an air purge pipe connected to a condenser and configured to extract a mixed gas containing a refrigerant gas and an uncondensable gas from the condenser;
• a separation film provided to the air purge pipe and configured to separate, by a pressure difference, an uncondensable gas from the mixed gas extracted by the air purge pipe;
• an exhaust pipe configured to externally guide a gas containing the uncondensable gas separated by the separation film;
• and
• a vacuum pump provided to the exhaust pipe and configured to externally discharge a gas present inside the exhaust pipe,
• wherein the separation film is shaped in a cylinder, the air purge device further comprising:
• a film heating unit configured to heat a mixed gas present inside the cylinder.

A method of an air purge device, wherein the air purge device includes:

• an air purge pipe connected to a condenser and configured to extract a mixed gas containing a refrigerant gas and an uncondensable gas from the condenser;
• a separation film provided to the air purge pipe and configured to separate, by a pressure difference, an uncondensable gas from the mixed gas extracted by the air purge pipe;
• an exhaust pipe configured to externally guide a gas containing the uncondensable gas separated by the separation film;
• a vacuum pump provided to the exhaust pipe and configured to externally discharge a gas present inside the exhaust pipe;
• and
• a pipe heating unit configured to heat a mixed gas present inside the air purge pipe upstream of the separation film,
• the method comprising:
• adjusting an amount of heat generation of the pipe heating unit and/or the film heating unit based on a temperature difference between a cooling medium temperature at a cooling medium outlet of the condenser and a saturated temperature of the condenser.