HEAT STORE SYSTEM

WIPO Patent Application WO/2012/027769

A3

The invention relates to a heat store system using sand as a solid heat storage medium, which heat store system is characterized in that it comprises the following components: a storage vessel (1) for cold sand; a storage vessel (2) for hot sand; an interposed fluidized bed heat exchanger (3) which is separated from the storage vessels (1, 2) by weirs (4, 5) and is divided into a plurality of chambers (7) by weirs (6), wherein the weirs (4, 5, 6) are formed as a combination of overflow and underflow weirs; wherein in the chambers (7) of the heat exchanger (3) there are provided means (8) for transferring heat from a heat source to the sand fluidized therein, and means (9) for transmitting heat from the sand fluidized therein to a heat transport medium; and at least one blower (14), arranged below the heat exchanger (3), for fluidizing the sand.

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HAIDER MARKUS (AT)
EISL ROLAND (AT)
HOLZLEITHNER FRANZ (AT)

PCT/AT2011/000362

October 26, 2012

September 05, 2011

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UNIV WIEN TECH (AT)
HAIDER MARKUS (AT)
EISL ROLAND (AT)
HOLZLEITHNER FRANZ (AT)

F28D20/00; F28D13/00

DE10149806C2	2003-11-13
DE1015775B	1957-09-19
JP2006078069A	2006-03-23
DE900578C	1953-12-28
DE2925649A1	1980-01-17

ELLMEYER, Wolfgang (Wien, AT)

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