Refrigerant recovery device and refrigerant recovery method by use of the same

摘要

There are provided a compact and portable refrigerant recovery device which can easily recover a refrigerant present in a refrigeration circuit of a used-up household refrigerator or an extra-low temperature freezer which uses a low boiling point refrigerant at low costs, and a method for recovering a refrigerant by using the refrigerant recovery device. In the refrigerant recovery device comprising a refrigerant recovery tank which stores an activated carbon for adsorbing the refrigerant, the recovery tank is equipped with a detachable cap, and the activated carbon is wrapped in unwoven cloth finer than a grain diameter of the activated carbon, and stored in the recovery tank. The refrigerant recovery device is connected to the refrigeration circuit, a gas in the refrigerant recovery tank is vacuumed to be discharged before the refrigerant of the refrigeration circuit is recovered, and then the refrigerant is adsorbed on the activated carbon to be recovered.