(19)
(11) EP 1 493 968 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
08.06.2005 Bulletin 2005/23

(43) Date of publication A2:
05.01.2005 Bulletin 2005/01

(21) Application number: 04076914.3

(22) Date of filing: 04.07.2004
(51) International Patent Classification (IPC)7F23M 5/08, F23G 5/46
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR
Designated Extension States:
AL HR LT LV MK

(30) Priority: 04.07.2003 NL 1023823

(71) Applicant: VISSER & SMIT HANAB B.V.
3356 LJ Papendrecht (NL)

(72) Inventor:
  • Van Hengel, Huibregt
    3356 LJ Papendrecht (NL)

(74) Representative: Assendelft, Jacobus H.W. 
Keukenhofdreef 20
2161 AZ Lisse
2161 AZ Lisse (NL)

   


(54) Membrane wall


(57) Membrane wall of an incinerator of which the steam pipes are made of carbon steel provided with a stainless steel coating, e.g. Inconel 625, by means of helical welding. The co-extending steam pipes are mutually welded together by a connection strip of 100% stainless steel fitted there between. The coating or strip of weld connection contains less than 10 wt% Fe (iron). The used weld rod contains less than 3 wt% Fe.







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