초록 ▼

An improved closed loop single mixed refrigerant process and system for cooling a fluid material through a temperature range exceeding 200°F. by heat exchange with a single mixed refrigerant in a closed loop refrigeration cycle comprising: compressing the mixed refrigerant in a first stage compresso

An improved closed loop single mixed refrigerant process and system for cooling a fluid material through a temperature range exceeding 200°F. by heat exchange with a single mixed refrigerant in a closed loop refrigeration cycle comprising: compressing the mixed refrigerant in a first stage compressor; cooling the compressed mixed refrigerant from the first stage compressor to produce a first mixture of a first condensed portion of the mixed refrigerant, and a gaseous refrigerant; separating the first condensed portion of the mixed refrigerant from the gaseous refrigerant; passing the gaseous refrigerant to a second stage compressor and further compressing the gaseous refrigerant; cooling the second stage compressed gaseous refrigerant to produce a second mixture of a second condensed portion of the gaseous refrigerant and a second gaseous refrigerant; separating the second condensed portion of the gaseous refrigerant and the second gaseous refrigerant; combining the first condensed portion of the mixed refrigerant with the second condensed portion of the gaseous refrigerant and the second gaseous refrigerant; charging the compressed mixed refrigerant to a refrigeration zone where the compressed mixed refrigerant is cooled to produce a liquid, mixed refrigerant, and expanded to produce a low temperature coolant; passing the low temperature coolant in countercurrent heat exchange with the compressed mixed refrigerant and the fluid material to produce the liquid, mixed refrigerant, a cooled, liquid, fluid material and gaseous mixed refrigerant; and recycling the gaseous mixed refrigerant to the first stage compressor.

대표청구항 ▼

A closed loop single mixed refrigerant process for cooling a fluid material through a temperature range exceeding 200°F. by heat exchange with a single mixed refrigerant in a closed loop refrigeration cycle comprising: compressing gaseous mixed refrigerant in a first compressor; passing the compress

A closed loop single mixed refrigerant process for cooling a fluid material through a temperature range exceeding 200°F. by heat exchange with a single mixed refrigerant in a closed loop refrigeration cycle comprising: compressing gaseous mixed refrigerant in a first compressor; passing the compressed gaseous mixed refrigerant from the first compressor to a first heat exchanger to cool the mixed refrigerant and produce a first mixture of a first condensed portion of the mixed refrigerant, the first condensed portion being rich in higher boiling components of the mixed refrigerant and a gaseous refrigerant; separating the first condensed portion of the mixed refrigerant from the gaseous refrigerant; passing the gaseous refrigerant to a second compressor and further compressing the gaseous refrigerant to produce a second compressed gaseous refrigerant; passing the second compressed gaseous refrigerant to a second heat exchanger to cool the compressed gaseous refrigerant and produce a second mixture of a second condensed portion of the gaseous refrigerant and a second gaseous refrigerant separating the second condensed portion of the gaseous refrigerant and the second gaseous refrigerant; combining the first condensed portion of the mixed refrigerant with the second condensed portion of the gaseous refrigerant and the second gaseous refrigerant to reconstitute the mixed refrigerant; charging compressed mixed refrigerant to a refrigeration zone where the compressed mixed refrigerant is cooled to produce a cooled, substantially liquid, mixed refrigerant, passed to an expansion valve and expanded to produce a low temperature coolant; passing the low temperature coolant in countercurrent heat exchange with the compressed mixed refrigerant and the fluid material in the refrigeration zone to produce the cooled, substantially liquid, mixed refrigerant, a cooled, substantially liquid, fluid material and gaseous mixed refrigerant; and recycling the gaseous mixed refrigerant to the first stage compressor.