EP 0201441 B1 19890125 - APPARATUS FOR INJECTING PULVERENT MATERIAL INTO A FURNACE, ESPECIALLY A BLAST FURNACE, AND USES
Title (en)
APPARATUS FOR INJECTING PULVERENT MATERIAL INTO A FURNACE, ESPECIALLY A BLAST FURNACE, AND USES
Publication
Application
Priority
FR 8506849 A 19850506
Abstract (en)
[origin: ES8705044A1] The tuyere comprises a substantially cylindrical or slightly convergent frusto-conical downstream part, and a divergent frusto-conical upstream part the plasma torch is placed co-axially to the tuyere at the inlet to the upstream part thereof the solid materials injection nozzle issues at an angle into the upstream part of the tuyere and the angle of taper of the upstream part of the tuyere substantially corresponds to the angle of natural expansion of the plasma jet, so that said materials are carried with the plasma jet and that part of them are provided onto the inner wall of the tuyere.
IPC 1-7
IPC 8 full level
CPC (source: EP US)
C21B 5/002 (2013.01 - EP US); C21B 5/003 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE DE GB IT LU NL SE
DOCDB simple family (publication)
EP 0201441 A1 19861217; EP 0201441 B1 19890125; AT E40411 T1 19890215; AU 5704186 A 19861113; AU 582234 B2 19890316; BR 8602006 A 19870106; CA 1283297 C 19910423; CN 1004705 B 19890705; CN 86103851 A 19861231; DE 3661934 D1 19890302; ES 554651 A0 19870416; ES 8705044 A1 19870416; FR 2581395 A1 19861107; FR 2581395 B1 19920918; SU 1473715 A3 19890415; US 4771993 A 19880920; ZA 863342 B 19870128
DOCDB simple family (application)
EP 86440033 A 19860502; AT 86440033 T 19860502; AU 5704186 A 19860502; BR 8602006 A 19860505; CA 508441 A 19860506; CN 86103851 A 19860505; DE 3661934 T 19860502; ES 554651 A 19860505; FR 8506849 A 19850506; SU 4027425 A 19860505; US 85892786 A 19860502; ZA 863342 A 19860505