C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
C22B 21/00 (2006.01) F27B 3/28 (2006.01) F27D 19/00 (2006.01) F27D 21/00 (2006.01) F27D 21/02 (2006.01) G01N 21/39 (2006.01) G01N 21/85 (2006.01) F27D 25/00 (2010.01) F27D 99/00 (2010.01)
Patent
CA 2466324
The invention concerns an alumnium melting method, which consists in introducing solid aluminium into a furnace (2), melting the aluminium to form an aluminium bath (4), detecting variations in carbon monoxide (CO) and/or hydrogen (H2) concentration and the temperature in the fumes (6) exiting from the furnace, deducing therefrom the formation of aluminium oxide at the surface of the alumnium bath (4), regulating the melting process on the basis of aluminium oxide formation. The invention also concerns a device for detecting and analyzing fumes exiting from the furnace and an aluminium melting furnace comprising said detecting device.
L'invention concerne un procédé de fusion d'aluminium, dans lequel on introduit de l'aluminium solide dans un four (2), on réalise la fusion de l'aluminium, pour former un bain d'aluminium (4), on détecte les variations de concentration en monoxyde de carbone (CO) et/ou d'hydrogène (H2) et de la température dans les fumées (6) sortant du four, on en déduit la formation d'oxydes d'aluminium à la surface du bain d'aluminium (4), on régule le procédé de fusion en fonction de la formation d'oxydes d'aluminium. L'invention concerne en outre un dispositif de détection et d'analyse des fumées sortant du four et un four de fusion d'aluminium comportant ledit dispositif de détection.
L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des Proced Es Geo
L'air Liquide Societe Anonyme A. Directoire Et Conseil de Survei
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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