EP 0196432 B1 19900516 - ARC FURNACE
Title (en)
ARC FURNACE
Publication
Application
Priority
DE 3507182 A 19850301
Abstract (en)
[origin: EP0196432A1] 1. An electric arc furnace comprising - a furnace vessel upper casing portion which at least partially comprises a lining with water-cooled wall elements, and - a furnace vessel lower casing portion with a refractory lining, wherein the furnace vessel casing has vertical ribs on its outer cylindrical surface, characterised in that - the lining of the furnace vessel lower casing portion (3) comprises refractory bricks with a high degree of heat transmission, and - only the furnace vessel lower casing portion (3) has ribs (7) which are suitable for air cooling in that they form completely or partially closed cooling passages (8) which are extended to below the furnace charging floor (5), - that funnel-shaped guide plates (10) are provided for directing the flow of air, with an annular gap (6) between the tippable furnace charging floor (5) and the furnace vessel (1), and - the ribs (7) are welded to the furnace vessel casing (3) or are produced in one piece therewith.
IPC 1-7
IPC 8 full level
F27B 3/16 (2006.01); C21B 7/10 (2006.01); F27B 3/24 (2006.01); F27D 1/12 (2006.01); F27D 9/00 (2006.01); F27D 11/08 (2006.01)
CPC (source: EP)
F27B 3/24 (2013.01); F27D 11/08 (2013.01)
Designated contracting state (EPC)
AT BE CH DE FR GB IT LI LU NL SE
DOCDB simple family (publication)
EP 0196432 A1 19861008; EP 0196432 B1 19900516; AT E52846 T1 19900615; DE 3507182 A1 19860904; DE 3507182 C2 19880505; DE 3671286 D1 19900621; JP S61223485 A 19861004; JP S63165491 U 19881027
DOCDB simple family (application)
EP 86101929 A 19860214; AT 86101929 T 19860214; DE 3507182 A 19850301; DE 3671286 T 19860214; JP 14532387 U 19870925; JP 4052386 A 19860227