C - Chemistry – Metallurgy – 21 – C
Patent
C - Chemistry, Metallurgy
21
C
C21C 5/46 (2006.01) C22B 9/05 (2006.01) F23D 14/24 (2006.01) F23D 14/32 (2006.01) F23D 17/00 (2006.01) F23L 7/00 (2006.01) F27D 3/18 (2006.01) F27D 99/00 (2010.01)
Patent
CA 2483148
A method of introducing a solid particulate reagent into a bath of metallurgical liquid comprises a step of introducing a solid particulate reagent into a main supersonic gas jet. The main supersonic gas jet is directed at the surface of the bath and is surrounded with a jet of shrouding gas, preferably of a burning hydrocarbon fluid fuel, provided at a supersonic velocity. The main supersonic gas jet is formed at a velocity which is in the range of minus 10% to plus 10% of the velocity at which the jet of shrouding gas is formed, preferably in the range of Mach 2 to 3.
L'invention concerne un procédé d'introduction d'un réactif particulaire solide dans une solution de liquide métallurgique. Le procédé consiste à introduire un réactif particulaire solide dans un jet principal de gaz supersonique. Le jet principal de gaz supersonique est dirigé vers la surface de la solution et entouré d'un jet de gaz enveloppant, de préférence d'un carburant hydrocarboné liquide de combustion, lâché à une vitesse supersonique. Le jet principal de gaz supersonique est formé à une vitesse comprise entre moins 10 % et plus 10 % de la vitesse à laquelle le jet de gaz enveloppant est formé, de préférence dans la plage de Mach 2 à 3.
Cameron Andrew Miller
Feldermann Christian Juan
Gowling Lafleur Henderson Llp
The Boc Group Plc
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