US 12,071,675 B2
Shaft furnace condition monitoring
Christian De Gruiter, Fentange (LU); Yves Heinen, Huldange (LU); Nicolas Maggioli, Thionville (FR); and Paul Tockert, Berbourg (LU)
Assigned to PAUL WURTH S.A., Luxembourg (LU)
Filed by PAUL WURTH S.A., Luxembourg (LU)
Filed on May 31, 2022, as Appl. No. 17/828,600.
Application 17/828,600 is a continuation of application No. 16/762,416, granted, now 11,377,701, previously published as PCT/EP2018/080934, filed on Nov. 12, 2018.
Claims priority of application No. 100 516 (LU), filed on Nov. 13, 2017.
Prior Publication US 2022/0356539 A1, Nov. 10, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. C21B 7/10 (2006.01); F27D 1/12 (2006.01); F27B 3/24 (2006.01); F27D 9/00 (2006.01)
CPC C21B 7/10 (2013.01) [F27D 1/12 (2013.01); F27B 3/24 (2013.01); F27D 2009/0013 (2013.01); F27D 2009/0048 (2013.01); F27D 2009/0062 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A shaft furnace comprising:
a metal jacket defining the furnace outer wall;
a protective layer protecting an inner surface of said outer wall;
at least one condition monitoring probe arranged inside said outer wall and within said protective layer to monitor the latter;
wherein said at least one condition monitoring probe is connected to a detection module operatively connected to a wireless module, which are battery powered and arranged outside said outer wall to transmit condition monitoring data; and
wherein said outer wall comprises an aperture for wired connection between said at least one condition monitoring probe and said wireless module, a casing being mounted to the outer surface of said metal jacket in a gas-tight manner to cover said aperture.