EP 4116658 A1 20230111 - A METHOD FOR REPAIRING A REFRACTORY WALL OF A FURNACE
Title (en)
A METHOD FOR REPAIRING A REFRACTORY WALL OF A FURNACE
Title (de)
VERFAHREN ZUR REPARATUR EINER FEUERFESTEN WAND EINES OFENS
Title (fr)
PROCÉDÉ DE RÉPARATION D'UNE PAROI RÉFRACTAIRE D'UN FOUR
Publication
Application
Priority
EP 21184091 A 20210706
Abstract (en)
The present invention relates to a method for repairing a refractory wall (2) of a furnace (1) by replacing at least a wall portion (3) thereof, the method comprising:(a) demolishing the wall portion (3);(b) installing an outer form (4) defining a new wall portion (3) in situ, and an inner form (5) defining a new flue passage within the new wall portion (3);(c) adding a refractory castable material within a volume defined by the outer form (4) and the inner form (5) and allowing the material to cure;(d) removing the outer form;characterized in that the inner form (5) is made from a heat resistant metallic material.The present invention also concerns a wall portion for a furnace and a furnace.
IPC 8 full level
CPC (source: EP)
F27D 1/0006 (2013.01); F27D 1/10 (2013.01); F27D 1/1626 (2013.01)
Citation (search report)
- [A] WO 2009056843 A1 20090507 - FOSBEL INTELLECTUAL LTD [GB], et al
- [X] US 2216983 A 19401008 - CARL OTTO [US]
- [A] US 4364798 A 19821221 - COSTA RICHARD A
Designated contracting state (EPC)
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
Designated extension state (EPC)
BA ME
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
EP 4116658 A1 20230111; JP 2024527347 A 20240724; WO 2023280541 A1 20230112
DOCDB simple family (application)
EP 21184091 A 20210706; EP 2022066354 W 20220615; JP 2024500167 A 20220615