Provided in some embodiments is a system that includes a gas compressor including an engine, a compressor driven by the engine, and a vapor absorption cycle (VAC) system driven by waste heat from the compressor, wherein the VAC system is configured to cool at least one medium. In other embodiments i
Provided in some embodiments is a system that includes a gas compressor including an engine, a compressor driven by the engine, and a vapor absorption cycle (VAC) system driven by waste heat from the compressor, wherein the VAC system is configured to cool at least one medium. In other embodiments is provided a method that includes generating waste heat while compressing a gas, driving a vapor absorption cycle (VAC) system with the waste heat, and cooling at least one medium via the VAC system.
대표청구항▼
1. A system, comprising a vapor absorption cycle (VAC) system driven by waste heat from a compressor, wherein the VAC system includes: a generator operable for receiving the waste heat from the compressor, discharging a relatively rich mixture of refrigerant/water vapor through a first passageway an
1. A system, comprising a vapor absorption cycle (VAC) system driven by waste heat from a compressor, wherein the VAC system includes: a generator operable for receiving the waste heat from the compressor, discharging a relatively rich mixture of refrigerant/water vapor through a first passageway and discharging a relatively weak mixture of refrigerant/water vapor through a second passageway;a condenser operable for receiving the relatively rich mixture of refrigerant/water vapor from the generator and discharging a relatively rich mixture of refrigerant/water liquid;a first heat exchanger operable for receiving the relatively weak mixture of refrigerant/water vapor from the generator and discharging the relatively weak mixture of refrigerant/water vapor to an absorber;an expansion valve operable for receiving the relatively rich mixture of refrigerant/water liquid from the condenser and discharging a relatively rich liquid/vapor mixture at a lower pressure and lower temperature;an evaporator operable for receiving the relatively rich refrigerant/water in liquid/vapor form discharged from the expansion valve and discharging a relatively rich refrigerant/water vapor to the absorber such that the absorber combines the relatively rich vapor mixture received from the evaporator with the relatively weak refrigerant/water vapor mixture received from the first heat exchanger;wherein the first heat exchanger is operable for exchanging heat between the combined flow of relatively rich and relatively weak refrigerant/water mixtures discharged from the absorber and the relatively weak refrigerant/water mixture discharged from the generator; anda second heat exchanger operable for adding heat to the relatively rich refrigerant/water mixture flow in the evaporator and cooling a cooling flow directed to remove heat from at least one medium. 2. The system of claim 1, further comprising a controller is configured to control a plurality of independent flows of the waste heat from the compressor to the VAC system. 3. The system of claim 2, wherein the VAC system comprises a plurality of VAC systems, wherein the controller is configured to control one or more flows of the waste heat from the compressor independently to the plurality of VAC systems. 4. The system of claim 2, wherein the controller is configured to control a plurality of cooling flows output from the VAC system. 5. The system of claim 2, wherein the controller is configured to control one or more cooling flows output from the VAC system for cooling the compressor, a gas intake into the compressor, an engine, the controller, or any combination thereof. 6. The system of claim 2, wherein the controller is configured to control one or more cooling flows output from the VAC system for cooling a building space. 7. The system of claim 2, wherein the controller is configured to control one or more cooling flows output from the VAC system for cooling electronics. 8. The system of claim 2, wherein the controller is configured to control one or more cooling flows output from the VAC system for cooling a fluid. 9. The system of claim 1, wherein the VAC system comprises a first VAC system driven by waste heat from a first compression stage, and a second VAC system driven by waste heat from a second compression stage. 10. The system of claim 1, further comprising a pump operable for pumping fluid though the VAC system. 11. The system of claim 1, further comprising an intercooler in fluid communication with the compressor and the VAC. 12. A method for using a vapor absorption cycle (VAC) system driven by waste heat from a compressor to cool a medium, the method comprising: discharging a relatively rich mixture of refrigerant/water vapor through a first passageway of a generator and discharging a relatively weak mixture of refrigerant/water through a second passageway of the generator;condensing the relatively rich mixture of refrigerant/water vapor received from the generator to a relatively rich mixture of refrigerant/water in liquid form;exchanging heat, with a first heat exchanger, between the relatively weak mixture of refrigerant/water received from the generator and a combined flow of relatively rich and relatively weak refrigerant/water mixture flows received from an absorber;expanding the relatively rich mixture of refrigerant/water in liquid form to a relatively rich refrigerant/water liquid/vapor mixture at a lower pressure and lower temperature after the condensing;evaporating the relatively rich refrigerant/water liquid/vapor mixture to a relatively rich refrigerant/water vapor and delivering relatively rich refrigerant/water vapor to the absorber, wherein the absorber combines the relatively rich refrigerant/water vapor mixture after the evaporating and the relatively weak vapor mixture received from the first heat exchanger;delivering the combined flow of the relatively rich and relatively weak refrigerant/water vapor discharged from the absorber to the first heat exchanger; wherein heat is exchanged between the combined flow of relatively rich and weak flow mixtures from the absorber and the relatively weak refrigerant/water mixture discharged from the generator; andexchanging heat, with a second heat exchanger such that heat is added to the relatively rich refrigerant/water mixture during the evaporating and heat is removed from at least one medium with a cooling flow cooled in the second heat exchanger. 13. The method of claim 12, further comprising controlling a plurality of independent flows of the waste heat from the compressor to the VAC system. 14. The method of claim 12, further comprising controlling a plurality of cooling flows output from the VAC system. 15. The method of claim 12, further comprising controlling one or more cooling flows output from the VAC system for cooling the compressor, a gas intake into the compressor, an engine, the controller, or any combination thereof. 16. The method of claim 12, further comprising controlling one or more cooling flows output from the VAC system for cooling a building space. 17. The method of claim 12, further comprising controlling one or more cooling flows output from the VAC system for cooling electronics. 18. The method of claim 12, wherein the VAC system is configured to vaporize a coolant from the absorbent using the waste heat from the compressor. 19. An apparatus comprising: an engine;a compressor operably connected to the engine;an intercooler fluidly coupled to the compressor and configured to receive waste heat therefrom;a VAC system fluidly coupled to the intercooler, the VAC system including: a generator operable for discharging a relatively rich mixture of refrigerant/water vapor through a first exit port and discharging a relatively weak mixture of refrigerant/water through a second exit port;a condenser operable for receiving the relatively rich mixture of refrigerant/water vapor from the generator and discharging a relatively rich liquid mixture of refrigerant/water;a first heat exchanger operable for receiving the relatively weak mixture of refrigerant/water vapor from the generator and discharging relatively weak mixture of refrigerant/water vapor to an absorber;an expansion valve operable for receiving the relatively rich liquid mixture of refrigerant/water from the condenser and discharging a relatively rich liquid/vapor mixture of refrigerant/water at a lower pressure and lower temperature;an evaporator operable for receiving the relatively rich liquid/vapor mixture of refrigerant/water discharged from the expansion valve and discharging a relatively rich refrigerant/water vapor to the absorber, wherein the absorber combines the relatively rich refrigerant/water vapor mixture received from the evaporator and the relatively weak refrigerant/water vapor mixture received from the first heat exchanger;a pump operable for pumping refrigerant/water flow through the VAC system;wherein the first heat exchanger is operable for exchanging heat between the combined flow of relatively rich and weak refrigerant/water mixtures discharged from the absorber and the relatively weak refrigerant/water mixture discharged from the generator; anda second heat exchanger operable for adding heat to the relatively rich refrigerant/water mixture in the evaporator and removing heat from at least one medium. 20. The apparatus of claim 19, further comprising a controller for controlling one or more cooling flows output from the VAC system for cooling the compressor, a gas intake into the compressor, the engine, the controller, electronics or any combination thereof.
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