EP 0104326 A3 19840516 - DOUBLE CIRCUIT LANCE FOR REFINING MOLTEN METALS
Title (en)
DOUBLE CIRCUIT LANCE FOR REFINING MOLTEN METALS
Publication
Application
Priority
DE 3231867 A 19820827
Abstract (en)
[origin: EP0104326A2] In a lance for refining molten metal, especially molten iron, with oxygen-containing gases, consisting of a central pipe (1), a plurality of concentric shell pipes (2, 3, 8, 9), a nozzle head (12) and a plurality of nozzles (7, 13) spaced apart vertically, several of the pipes (1, 3, 4) are yieldingly joined to one another, in order to compensate for thermal expansions. <IMAGE>
IPC 1-7
IPC 8 full level
C21C 5/46 (2006.01)
CPC (source: EP)
C21C 5/4606 (2013.01)
Citation (search report)
- [A] DE 1583208 B2 19730823
- [A] DE 1960782 A1 19720210 - DEMAG AG
- [A] DE 2131345 A1 19720113 - CENTRO SPERIMENTALE METALLURGICO SPA
- [A] DE 2103050 B2 19730503
- [A] GB 934112 A 19630814 - CONSETT IRON COMPANY LTD
- [A] US 3488044 A 19700106 - SHEPHERD WILLIAM E
Designated contracting state (EPC)
AT BE FR LU
DOCDB simple family (publication)
DE 3231867 A1 19840301; EP 0104326 A2 19840404; EP 0104326 A3 19840516
DOCDB simple family (application)
DE 3231867 A 19820827; EP 83106221 A 19830625