[특허]Dual gas and hot liquid absorption chiller assembly

Carrier Corporation

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Dual gas and hot liquid absorption chiller assembly

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F25B-015/00
미국특허분류(USC)	062/476; 062/101
출원번호	US-0297324 (2006-05-12)
등록번호	US-8146384 (2012-04-03)
국제출원번호	PCT/US2006/018352 (2006-05-12)
§371/§102 date	20081016 (20081016)
국제공개번호	WO2007/133201 (2007-11-22)
발명자 / 주소	Ryu, Jinsang Halwan, Vivek Jung, Sunghan Munoz, Jules Ricardo Benoit, Jeffrey T. Thompson, Veena Sharmila Sologar
출원인 / 주소	Carrier Corporation
대리인 / 주소	Carlson, Gaskey & Olds PC
인용정보	피인용 횟수 : 1 인용 특허 : 9

초록
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An absorption chiller assembly (20) includes a low-stage generator (42) that utilizes heat from vapor resulting from operation of a high-stage generator (26) and heat from another hot liquid such as coolant fluid associated with a prime mover (22). An example low-stage generator (42) includes an arrangement of conduits for directing flow of the two heat sources through the low-stage generator in a manner that both sources simultaneously interact with a refrigerant solution within the low-stage generator. A disclosed example includes an integrated diverte...

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1. An absorption chiller assembly, comprising a high-stage generator configured to receive hot gas, the high-stage generator heating a refrigerant solution by using the received hot gas and producing a resulting refrigerant vapor from the refrigerant solution; anda low-stage generator containing refrigerant solution, the low stage generator being configured to receive hot liquid and in fluid communication with the high-stage generator to receive the resulting refrigerant vapor, the low-stage generator using both of the received hot liquid and the received refrigerant vapor for heating refrigerant solution in the low stage generator. 2. The assembly of claim 1, wherein the hot gas comprises exhaust from an energy source and the hot liquid comprises heated coolant from the energy source. 3. The assembly of claim 1, wherein the low-stage generator comprises at least one hot liquid flow conduit for carrying the received hot liquid through the low-stage generator;at least one vapor flow conduit for carrying the received vapor; anda refrigerant solution conduit for carrying the refrigerant solution such that the refrigerant solution is in a heat exchanging relationship with the at least one hot liquid flow conduit and the at least one vapor flow conduit. 4. The assembly of claim 3, wherein the at least one hot liquid flow conduit comprises a first plurality of tubes and the at least one vapor flow conduit comprises a second, separate plurality of tubes. 5. The assembly of claim 4, including a single flow path for the refrigerant solution in the heat exchanging relationship with the hot liquid flow conduit tubes and the vapor flow conduit tubes. 6. The assembly of claim 5, wherein at least some of the refrigerant solution in the single flow path is simultaneously in the heat exchanging relationship with the hot liquid flow conduit tubes and the vapor flow conduit tubes. 7. The assembly of claim 3, wherein the at least one hot liquid flow conduit is immediately adjacent the at least one vapor flow conduit. 8. The assembly of claim 1, comprising a control panel;a condenser associated with the low-stage generator;an evaporator associated with the condenser;an absorber associated with the evaporator;at least one heat exchanger associated with at least one of the generators; anda diverter valve incorporated into the assembly within a packaging envelope defined by the control panel, condenser, evaporator, absorber and the at least one heat exchanger. 9. The assembly of claim 8, comprising a preassembled assembly having an established fluid communication coupling between the high-stage generator and the diverter valve and an established electrically conductive coupling between the control panel and the diverter valve. 10. The assembly of claim 1, comprising an absorber; andat least one coupling between the high-stage generator and the absorber for directly communicating at least some of at least one of the resulting refrigerant vapor or heated refrigerant solution from the high-stage generator to the absorber. 11. The assembly of claim 10, comprising a valve associated with the at least one coupling for selectively controlling direct communication of the at least one of the resulting refrigerant vapor or the heated refrigerant solution to the absorber. 12. The assembly of claim 11, wherein the at least one coupling comprises a first coupling for directly communicating the resulting refrigerant vapor to the absorber; anda second coupling for directly communicating the heated refrigerant solution to the absorber. 13. The assembly of claim 12, comprising a first valve associated with the first coupling for controlling flow through the first coupling; anda second valve associated with the second coupling for controlling flow through the second coupling. 14. The assembly of claim 10, comprising a condenser; andat least one conduit for carrying a fluid at least partially through the absorber and at least partially through the condenser where the fluid is heated by heat in the absorber and the condenser, respectively. 15. The assembly of claim 1, comprising a condenser associated with the low-stage generator, the condenser having heat within the condenser resulting from at least the hot liquid provided to the low-stage generator;an absorber that selectively receives at least some of at least one of the resulting refrigerant vapor or heated refrigerant solution directly from the high-stage generator; andwherein the absorber and the condenser cooperate to heat at least one other fluid. 16. The assembly of claim 15, comprising at least one conduit for carrying the at least one other fluid at least partially in a heat exchange relationship with the absorber and the condenser. 17. The assembly of claim 15, wherein heat within the absorber resulting from at least the directly received one of the resulting refrigerant vapor or the heated refrigerant and heat within the condenser resulting at least from the coolant provided to the low-stage generator cooperate to heat the at least one other fluid. 18. The assembly of claim 1, comprising: a first heat exchanger that receives fluid from the high-stage generator;a second heat exchanger that receives fluid from the low-stage generator fluid exiting the second heat exchanger flowing to the first heat exchanger; anda conduit carrying at least some of the fluid exiting the second heat exchanger to the low-stage generator, the conduit having an eductor that selectively receives fluid from the high-stage generator. 19. The assembly of claim 18, comprising a conduit between the high-stage generator and the eductor. 20. A method of operating an absorption chiller assembly having a high-stage generator and a low-stage generator, comprising heating refrigerant solution within the high-stage generator using a first source of heat;heating refrigerant solution within the low-stage generator using a second source of heat producing a resulting vapor from the heated refrigerant solution; andheating the refrigerant solution within the low-stage generator using the resulting vapor from the high-stage generator. 21. The method of claim 20, comprising heating the same refrigerant using heat from the resulting vapor and the second source of heat simultaneously within the low-stage generator. 22. The method of claim 20, wherein the first source of heat comprises exhaust from an energy source and the second source of heat comprises a coolant from the energy source. 23. The method of claim 20, wherein the assembly has an absorber and a condenser and the method comprises selectively using the absorber and the condenser for heating at least one other fluid to provide a heating function. 24. The method of claim 23, comprising selectively providing at least some of at least one of the heated refrigerant solution or the resulting refrigerant vapor directly to the absorber for heating the at least one other fluid. 25. A method of operating an absorption chiller assembly having a high-stage generator and a low-stage generator, comprising heating refrigerant solution within the high-stage generator using a first source of heat;heating refrigerant solution within the low-stage generator using a second source of heat; andheating the refrigerant solution within the low-stage generator using a resulting vapor from the high-stage generator, wherein the absorption chiller assembly includes a diverter valve and the method comprises:selectively controlling the diverter valve to variably direct some of the first source of heat to the high-stage generator and a remainder of the first source of heat to atmosphere. 26. A method of operating an absorption chiller assembly having a high-stage generator and a low-stage generator, comprising heating refrigerant solution within the high-stage generator using a first source of heat;heating refrigerant solution within the low-stage generator using a second source of heat; andheating the refrigerant solution within the low-stage generator using a resulting vapor from the high-stage generator, including prioritizing use of the first source of heat over the use of the second source of heat. 27. The method of claim 20, comprising configuring the high-stage generator to minimize any low temperature zones in the high-stage generator. 28. The assembly of claim 1, wherein all of the refrigerant in the low stage generator is heated by heat from the received hot liquid and the received refrigerant vapor.

이 특허에 인용된 특허 (9)

이 특허를 인용한 특허 (1)

Amedick, Volker; Blomeyer, Malte; Cravero, Leandro; Deuker, Eberhard; Heitfeld, Hendrik; Kaufmann, Carsten; Klocke, Meinolf; Völker, Stefan, Cooling circuit for removing waste heat from an electromechanical converter and power generating plant with a cooling circuit of this type.

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Dual gas and hot liquid absorption chiller assembly

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Dual gas and hot liquid absorption chiller assembly

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