| 摘要 |
<p>Refrigeration Purging System A refrigeration purging system for the removal of non-condensible gases such as air and condensible contaminants such as water is disclosed. A portion of the refrigerant in the refrigeration system is placed in a first purge chamber which condenses the refrigerant and condensible contaminants such as water leaving non-condensibles such as air and a small portion of the refrigerant at the top of the chamber. The non-condensibles and remaining refrigerant is extracted from the first chamber pumped to a higher pressure and passed to a second purge chamber wherein the remaining refrigerant is condensed and returned to the first purge chamber. The non-condensible gases remaining are released to the atmosphere. The condensible contaminants are extracted from the first purge chamber and the condensed refrigerant is returned to the refrigeration system. A control system for regulating the operation of the pump in relation to the amount of non-condensible gases in the first purge chamber is disclosed together with means to control the flow of condensed refrigerant between the two purge chambers.</p> |
