EP 1035221 A3 20031119 - Burner, shaft furnace and shaft furnace operating method
Title (en)
Burner, shaft furnace and shaft furnace operating method
Title (de)
Brenner, Schachtofen und Verfahren zum Betreiben eines Schachtofens
Title (fr)
Bruleur, four à cuve et méthode pour opérer un four à cuve
Publication
Application
Priority
DE 19909743 A 19990305
Abstract (en)
[origin: EP1035221A2] A burner, having three or more annular outlet opening regions arranged concentrically about a central outlet opening, is new. Independent claims are also included for the following: (i) a metal-producing shaft furnace comprising an oxygen supply device in the form of the above burner and/or an oxygen lance equipped with the above burner; and (ii) a process for operating the above shaft furnace.
IPC 1-7
IPC 8 full level
C21C 1/08 (2006.01); F27B 1/16 (2006.01); F27D 99/00 (2010.01)
CPC (source: EP)
C21C 1/08 (2013.01); F27B 1/16 (2013.01); F27D 99/0033 (2013.01)
Citation (search report)
- [X] US 3701517 A 19721031 - GRAY BRONIS G
- [XA] US 4622007 A 19861111 - GITMAN GRIGORY M [US]
- [XA] US 4890562 A 19900102 - GITMAN GREGORY M [US]
- [X] US 4525175 A 19850625 - STELLACCIO ROBERT J [US]
- [A] EP 0763692 A2 19970319 - AIR LIQUIDE [FR]
- [A] DE 29711593 U1 19970904 - WESTFALEN AG [DE]
- [A] PATENT ABSTRACTS OF JAPAN vol. 004, no. 093 (C - 017) 5 July 1980 (1980-07-05)
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
DE 19909743 A1 20000907; EP 1035221 A2 20000913; EP 1035221 A3 20031119
DOCDB simple family (application)
DE 19909743 A 19990305; EP 00104379 A 20000302