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Title:
SUPERCRITICAL CARBON DIOXIDE POWER GENERATION SYSTEM USING PLURALITY OF HEAT SOURCES
Document Type and Number:
WIPO Patent Application WO/2017/122948
Kind Code:
A1
Abstract:
The present invention relates to a supercritical carbon dioxide power generation system using a plurality of heat sources, the system comprising: a pump circulating a working fluid; a plurality of heat exchangers heating the working fluid through an external heat source; a plurality of turbines operated by the working fluid that has been heated while passing through the heat exchangers; and a plurality of recuperators transferring heat between the working fluid having passed through the turbines and the working fluid having passed through the pump to cool the working fluid having passed through the turbines, wherein the plurality of heat exchangers are sequentially arranged from a high-temperature region to a low-temperature region via a medium-temperature region, wherein the high-temperature region is at an inlet side into which waste-heat gas is introduced, and the low-temperature region is at an outlet side from which the waste-heat gas is discharged. According to the present invention, it is possible to efficiently exchange heat and improve the performance of the power generation system by properly arranging and using the heat exchangers according to the temperature of the working fluid.

Inventors:
CHA SONG HUN (KR)
KIM HAK SOO (KR)
KIM SANG HYEUN (KR)
JANG JUN TAE (KR)
Application Number:
PCT/KR2016/015224
Publication Date:
July 20, 2017
Filing Date:
December 23, 2016
Export Citation:
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Assignee:
DOOSAN HEAVY IND & CONSTRUCTION CO LTD (KR)
International Classes:
F01K25/10; F01D15/10; F01K7/22; F01K7/32; F01K13/00
Foreign References:
US20150076831A12015-03-19
KR20140064704A2014-05-28
US20160003108A12016-01-07
US20140102098A12014-04-17
US20130205776A12013-08-15
Attorney, Agent or Firm:
HONESTY & JR PARTNERS INTELLECTUAL PROPERTY LAW GROUP (KR)
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