Rankine cycle integrated with organic rankine cycle and absorption chiller cycle
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F01K-023/04
F01K-025/00
F25B-027/00
F25B-015/00
F01K-023/02
F01K-025/10
출원번호
US-0949865
(2010-11-19)
등록번호
US-8904791
(2014-12-09)
발명자
/ 주소
Lehar, Matthew Alexander
Freund, Sebastian Walter
Frey, Thomas Johannes
Ast, Gabor
Huck, Pierre Sebastien
Muehlbauer, Monika
출원인 / 주소
General Electric Company
대리인 / 주소
McCarthy, Robert M.
인용정보
피인용 횟수 :
0인용 특허 :
10
초록▼
A power generation system is provided. The system comprises a first Rankine cycle-first working fluid circulation loop comprising a heater, an expander, a heat exchanger, a recuperator, a condenser, a pump, and a first working fluid; integrated with a) a second Rankine cycle-second working fluid cir
A power generation system is provided. The system comprises a first Rankine cycle-first working fluid circulation loop comprising a heater, an expander, a heat exchanger, a recuperator, a condenser, a pump, and a first working fluid; integrated with a) a second Rankine cycle-second working fluid circulation loop comprising a heater, an expander, a condenser, a pump, and a second working fluid comprising an organic fluid; and b) an absorption chiller cycle comprising a third working fluid circulation loop comprising an evaporator, an absorber, a pump, a desorber, a condenser, and a third working fluid comprising a refrigerant. In one embodiment, the first working fluid comprises CO2. In one embodiment, the first working fluid comprises helium, air, or nitrogen.
대표청구항▼
1. A power generation system comprising: a first Rankine cycle-first working fluid circulation loop comprising a heater, an expander, a heat exchanger, a recuperator, a condenser, a pump, and a first working fluid comprising CO2;a second Rankine cycle-second working fluid circulation loop comprising
1. A power generation system comprising: a first Rankine cycle-first working fluid circulation loop comprising a heater, an expander, a heat exchanger, a recuperator, a condenser, a pump, and a first working fluid comprising CO2;a second Rankine cycle-second working fluid circulation loop comprising a heater, an expander, a condenser, a pump, and a second working fluid comprising an organic fluid; andan absorption chiller cycle comprising a third working fluid circulation loop comprising an evaporator, an absorber, a pump, a desorber, a condenser, and a third working fluid comprising a refrigerant,wherein the condenser of the first loop and the condenser of the second loop communicate heat to the absorption chiller cycle. 2. The power generation system of claim 1, wherein the organic fluid comprises ethanol, cyclohexane, or toluene. 3. The power generation system of claim 1, wherein the refrigerant comprises lithium-bromide or water. 4. The power generation system of claim 1, wherein the absorber comprises a solution of the refrigerant and a solvent. 5. The power generation system of claim 4, wherein the solvent comprises water or ammonia. 6. The power generation system of claim 5, wherein the absorber is cooled using air or water. 7. A power generation system comprising: a first loop comprising a Rankine cycle-first working fluid circulation loop comprising a heater, an expander, a heat exchanger, a recuperator, a condenser, a pump, and a first working fluid comprising helium, nitrogen, or air; integrated with,a) a second loop comprising a Rankine cycle-second working fluid circulation loop comprising a heater, an expander, a condenser, a pump, and a second working fluid comprising an organic fluid; andb) a third loop comprising an absorption chiller cycle comprising a third working fluid circulation loop comprising an evaporator, an absorber, a pump, a desorber, a condenser, and the third working fluid comprising a refrigerant. 8. The power generation system of claim 7, wherein the first working fluid is nitrogen. 9. The power generation system of claim 7, wherein the first working fluid is air. 10. The power generation system of claim 7, wherein the first working fluid is helium. 11. A power generation system comprising: a first loop comprising a carbon dioxide waste heat recovery Rankine cyclea second loop comprising an organic Rankine cycle; anda third loop comprising an absorption chiller cycle;wherein the first loop comprises: a heater configured to receive a first working fluid comprising liquid CO2 stream and produce a heated CO2 stream; an expander configured to receive the heated CO2 stream and produce an expanded CO2 stream, a heat exchanger configured to receive the expanded CO2 stream and produce a cooler CO2 stream, a recuperator configured to receive the cooled CO2 stream and produce an even cooler CO2 stream, a condenser configured to receive the cooled CO2 stream and produce a cooler CO2 stream, a pump configured to receive the cooled CO2 stream, the recuperator also capable of receiving the liquid CO2 stream from the pump and produce a heated liquid CO2 stream, wherein the recuperator is capable of directing the heated liquid CO2 stream back to the heater;wherein the second loop comprises: a heater configured to receive a second working fluid stream and produce a heated second working fluid stream, an expander configured to receive the heated second working fluid stream and produce an expanded second working fluid stream, a condenser configured to receive the expanded second working fluid stream and produce a cooler second working fluid stream, a pump configured to receive the cooled second working fluid stream,wherein the pump is capable of directing the cooled second working fluid stream back to the heater;wherein the heater of the second loop is configured to receive heat from the heat exchanger of the first loop;wherein the condenser of the first loop and the condenser of the second loop are configured to communicate heat to an absorption chiller cycle; andwherein the absorption chiller cycle is configured to communicate a portion of the heat received to an ambient environment. 12. The power generation system of claim 11, wherein the second working fluid comprises an organic fluid comprising, ethanol, cyclohexane, or toluene. 13. The power generation system of claim 11, wherein the absorption chiller cycle comprises an evaporator, an absorber; a pump, a desorber, a condenser, and a third working fluid comprising a refrigerant. 14. The power generation system of claim 13, wherein the refrigerant comprises lithium bromide or water. 15. The power generation system of claim 13, wherein the absorber comprises a solution of the refrigerant in a solvent. 16. The power generation system of claim 15, wherein the solvent comprises water or ammonia. 17. The power generation system of claim 13, wherein the absorber is cooled using air or water. 18. The power generation system of claim 11, further comprising a turbine connected to the expanders of the first loop and the second loop.
Chow Cedric ; Anand Ashok Kumar ; Ranasinghe Jatila ; Stats David Andrew, Method and apparatus for converting low grade heat to cooling load in an integrated gasification system.
Crawford John T. (Naperville IL) Tyree ; Jr. Lewis (Oak Brook IL) Fischer Harry C. (Maggie Valley NC) Coers Don H. (Naperville IL), Power plant using CO2as a working fluid.
Singh,Rajiv R; Wilson,David P; Zyhowski,Gary J; Hulse,Ryan, Working fluids for thermal energy conversion of waste heat from fuel cells using Rankine cycle systems.
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