ORGANIC RANKINE CYCLE ELECTRICITY-GENERATING SYSTEM UTILIZING HEAT ACCUMULATOR TANK

WIPO Patent Application WO/2019/245109

A1

The present invention provides an organic Rankine cycle electricity-generating system utilizing a heat accumulator tank, the system comprising: a first heat accumulator tank for accumulating heat remaining after heat exchange in the organic Rankine cycle, the first heat accumulator tank having the shape of a sealed barrel and having a first inner heat exchanger provided therein; a second heat accumulator tank provided to be spaced apart from the first heat accumulator tank, the second heat accumulator tank having the shape of a sealed barrel and having a second inner heat exchanger provided therein; a first circulation pipe branching off from a hot-water supply pipe for transferring hot water, which is supplied from a district heating system, after the hot water exchanges heat with an operating fluid in the organic Rankine cycle, the first circulation pipe supplying the hot water to the first inner heat exchanger of the first heat accumulator tank and circulating warm water, which has exchanged heat in the first inner heat exchanger, to a heat exchanger; a second circulation pipe branching off from the hot-water supply pipe, the second circulation pipe supplying hot water to the second inner heat exchanger of the second heat accumulator tank and then circulating warm water, which has exchanged heat in the second inner heat exchanger, to the heat exchanger; a first cold-water supply pipe for supplying cold water into the first heat accumulator tank from the outside; and a second cold-water supply pipe for supplying cold water into the second heat accumulator tank from the outside, wherein the heat exchanger is configured to cause heat exchange between hot water supplied from the organic Rankine cycle through the hot-water supply pipe and warm water supplied through the first circulation pipe and the second circulation pipe. Accordingly, by selectively adjusting the opening/closing of multiple opening/closing valves installed in circulation pipes and cold-water supply pipes for supplying hot water and cold water to heat accumulator tanks, respectively, a controller can adjust the temperature of heating water inside the heat accumulator tanks and the pressure and water level inside the heat accumulator tanks, and can utilize cold water, which has exchanged heat with hot water inside the heat accumulator tanks, as heating water, thereby improving energy efficiency.

JP2005147596	HEAT STORAGE TYPE ELECTRIC FLOOR HEATING SYSTEM
WO/2001/044722	WATER HEATER COMPRISING A PLATE HEAT EXCHANGER AND A STORAGE CONTAINER FOR HEATED WATER
JPS58214791	FLOOR HEATING HEAT ACCUMULATOR

HEO CHUL KOO (KR)
HUR CHEOL KI (KR)
KIM KYOUNG SU (KR)
BANG SE KYOUNG (KR)
SEO IN HO (KR)
LEE SANG YUN (KR)

PCT/KR2018/012401

December 26, 2019

October 19, 2018

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YOUNG KWANG CO LTD (KR)

F24D11/00; F02G5/02; F24D19/10

KR100860431B1	2008-09-25
KR101347564B1	2014-01-03
KR20150063520A	2015-06-09
KR101418002B1	2014-07-14
KR101168551B1	2012-07-27

TAEBAEK INTELLECTUAL PROPERTY LAW FIRM (KR)

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