초록 ▼

A passive desuperheater for a vapor compression refrigeration system is disclosed. The passive desuperheater includes a chamber having two inlets and an outlet, the first inlet for introducing superheated gas into the chamber, the second inlet for introducing cool liquid refrigerant into the chamber

A passive desuperheater for a vapor compression refrigeration system is disclosed. The passive desuperheater includes a chamber having two inlets and an outlet, the first inlet for introducing superheated gas into the chamber, the second inlet for introducing cool liquid refrigerant into the chamber and the outlet for outputting the desuperheated gas. The flow of cool liquid refrigerant into the chamber is generated by a gravity drop, resulting in the mixing of the liquid refrigerant with the superheated gas, such that desuperheated gas is output at the outlet. In an alternative embodiment, the hot discharge gas is input through the bottom of a shell and tube condenser and then exposed to the cool liquid refrigerant in the condenser. The desuperheater according to the present invention also can be used to remove oil from the hot discharge gas during desuperheating. Desuperheating can also be obtained by passing the superheated gas through a pipe immersed in the cool liquid refrigerant.

대표청구항 ▼

1. In a closed vapor compression refrigeration system having an expansion device and evaporator, a compressor, and a condenser, wherein liquid refrigerant is converted into gas in the expansion device and evaporator which is then fed to the compressor, wherein said gas is compressed and superheated,

1. In a closed vapor compression refrigeration system having an expansion device and evaporator, a compressor, and a condenser, wherein liquid refrigerant is converted into gas in the expansion device and evaporator which is then fed to the compressor, wherein said gas is compressed and superheated, the superheated gas is then condensed in said condenser and converted back into cooler liquid refrigerant, a passive desuperheater for passively desuperheating said superheated gas before said gas is transmitted to said condenser comprising:a chamber having a first inlet for receiving said superheated gas, a second inlet for receiving cooler liquid refrigerant condensed by said condenser, said second inlet positioned below the outlet of said condenser to cause said liquid refrigerant to flow to said second inlet by the force of gravity, and an outlet that outputs said desuperheated gas for transmitting to said condenser, wherein said liquid refrigerant is caused to be mixed with said superheated gas in said chamber to reduce the temperature of said gas at said outlet.