(19)

(11)

EP 2 580 360 A1

(12)

(43) Date of publication: 17.04.2013 Bulletin 2013/16 (21) Application number: 11723742.0 (22) Date of filing: 26.05.2011

(51) International Patent Classification (IPC):  C21D 9/56(2006.01) F27B 9/28(2006.01) C21D 9/573(2006.01) (86) International application number: PCT/NL2011/050364 (87) International publication number: WO 2011/159149 (22.12.2011 Gazette 2011/51)

(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 (30) Priority: 14.06.2010 NL 2004883 (71) Applicant: Andritz Thermtec B.V. 3011 WT Rotterdam (NL)	(72) Inventor: Ruiter, Leo Antonius 50450 Kuala Lumpur (MY) (74) Representative: Riemens, Roelof Harm  Exter Polak & Charlouis B.V. (EP&C) P.O. Box 3241 2280 GE Rijswijk 2280 GE Rijswijk (NL)