(19)
(11)EP 1 857 738 A3

(12)EUROPEAN PATENT APPLICATION

(88)Date of publication A3:
01.01.2014 Bulletin 2014/01

(43)Date of publication A2:
21.11.2007 Bulletin 2007/47

(21)Application number: 07397014.7

(22)Date of filing:  10.05.2007
(51)International Patent Classification (IPC): 
F23C 10/20(2006.01)
F23C 10/24(2006.01)
(84)Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR
Designated Extension States:
AL BA HR MK RS

(30)Priority: 18.05.2006 FI 20065332

(71)Applicant: Metso Power Oy
33101 Tampere (FI)

(72)Inventors:
  • Roppo, Markku
    Charlotte, 28226 (US)
  • Lehtonen, Pekka
    48800, Kotka (FI)
  • Luomaharju, Tero
    34240, Kämmenniemi (FI)

(74)Representative: Rönkkö, Taina Mirjam et al
Tampereen Patenttitoimisto Oy Hermiankatu 1 B
33720 Tampere
33720 Tampere (FI)

  


(54)A partition wall structure of a furnace


(57) A fluidized bed boiler, which comprises at least a furnace (1) defined by walls (11, 12, 13, 14), a grate (15) and a roof (16), as well as a bed ash cooler (18). In addition, the fluidized bed boiler comprises at least a primarily vertical partition wall (17) between the grate (15) and the roof (16), and at least one of the walls (181, 182) of the bed ash cooler (18) is formed of a part of the partition wall.







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Search report