Title:
COMBINED CYCLE POWER PLANT
Document Type and Number:
WIPO Patent Application WO/2018/113040
Kind Code:
A1
Abstract:
A combined cycle power plant, relating to the technical field of energy and power. A condenser (7) has a condensate line communicated with a hybrid evaporator (8) via a circulation pump (4). An expander (2) has a steam passage communicated with the hybrid evaporator (8). The hybrid evaporator (8) further has a steam passage communicated with a compressor (1) and a second expander (3) respectively. The compressor (1) further has a steam passage communicated with the expander (2) via a high-temperature heat exchanger (6). The condenser (7) further has a condensate line communicated with an internal combustion engine (9) via a second circulation pump (5), and then the internal combustion engine (9) further has a steam passage communicated with the second expander (3). The second expander (3) further has a steam passage communicated with the condenser (7). On the external, an air passage and a fuel passage are respectively communicated with the internal combustion engine (9). The internal combustion engine (9) further has a gas passage communicated with the external via the high-temperature heat exchanger (6). The condenser (7) further has a cooling medium passage communicated with the external. The hybrid evaporator (8) further has a heat medium passage communicated with the external. The expander (2) is connected with the compressor (1) and transmits power. The expander (2), the second expander (3) and the internal combustion engine (9) are connected to the external and output power. Thus a combined cycle power plant is formed. The plant retains the advantages of steam power cycle, overcomes the disadvantages of steam power cycle, and effectively uses the thermal load of cycle cooling in the internal combustion engine, thus having higher thermal efficiency.
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Inventors:
LI HUAYU (CN)
Application Number:
PCT/CN2017/000723
Publication Date:
June 28, 2018
Filing Date:
December 11, 2017
Export Citation:
Assignee:
LI HUAYU (CN)
International Classes:
F25B5/00
Domestic Patent References:
| WO2012005608A1 | 2012-01-12 |
Foreign References:
| CN106225317A | 2016-12-14 | |||
| CN105953452A | 2016-09-21 | |||
| CN104948245A | 2015-09-30 | |||
| CN104963732A | 2015-10-07 | |||
| US20060005557A1 | 2006-01-12 | |||
| US20120279220A1 | 2012-11-08 |
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