(19)
(11) EP 2 461 098 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
27.08.2014 Bulletin 2014/35

(43) Date of publication A2:
06.06.2012 Bulletin 2012/23

(21) Application number: 12157001.4

(22) Date of filing: 01.12.2008
(51) International Patent Classification (IPC): 
F23H 11/10(2006.01)
 F23B 30/08(2006.01)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR

(30) Priority: 03.12.2007 PL 38394107

(62) Application number of the earlier application in accordance with Art. 76 EPC:
08858195.4 / 2217858

(71) Applicant: Kowalewski, Witold
05-220 Zielonka (PL)

(72) Inventor:
  • Kowalewski, Witold
    05-220 Zielonka (PL)

(74) Representative: Adamczyk, Piotr 
Kancelaria Patentowa ul. Wilcza 70/8
00-670 Warszawa
00-670 Warszawa (PL)

   


(54) Stoker-fired boiler and a method of modernization of stoker-fired boiler


(57) A boiler according to the invention contains an additional air channel (9) with an inbuilt fan (10) with adjustable output. The first end (9') of the additional air channel (9) is connected with the under-stoker space (11) located outside of the wind boxes (5) of the under-stoker wind boxes system (4). The second end (9") of the additional air channel (9) is connected with the atmosphere. Modernization of the existing boilers consists in installation in the described above method of an additional air channel (9) with an inbuilt fan (10).







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Search report