(19)
(11) EP 2 573 497 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
25.06.2014 Bulletin 2014/26

(43) Date of publication A2:
27.03.2013 Bulletin 2013/13

(21) Application number: 12185413.7

(22) Date of filing: 21.09.2012
(51) International Patent Classification (IPC): 
F28D 21/00(2006.01)
F24B 9/00(2006.01)
 F24B 7/00(2006.01)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME

(30) Priority: 23.09.2011 FI 20110325

(71) Applicants:
  • Finelmo
    90830 Haukipudas (FI)
  • R Hautala Ky
    62310 Voltti (FI)

(72) Inventors:
  • Paaso, Markku
    90830 Haukipudas (FI)
  • Hautala, Reijo
    62310 Voltti (FI)

(74) Representative: Kolster Oy Ab 
Iso Roobertinkatu 23 PO Box 148
00121 Helsinki
00121 Helsinki (FI)

   


(54) Thermal energy recovery unit, and arrangement for utilizing thermal energy of flue gases


(57) The invention relates to a thermal energy recovery unit in connection with a furnace of a building, comprising a flue duct (110) for conveying flue gas released from the furnace. The recovery unit comprises a liquid container (120) arranged around the flue duct (110) for collecting thermal energy in the flue gas conveyed in the flue duct into the liquid in the liquid container (120), and at least one liquid connection (101, 102) for connecting the liquid container (120) of the recovery unit to another recovery unit so as to enable transfer of the liquid in the liquid container between the recovery units.







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Search report