Process for melting metal or non metal materials

Details Process for melting metal or non metal materials Process for melting metal or non metal materials

C - Chemistry, Metallurgy

21

C

C21C 5/56 (2006.01) C21B 5/00 (2006.01) C21B 5/02 (2006.01) F27B 3/10 (2006.01) F27B 3/20 (2006.01) C21C 5/52 (2006.01) F27D 3/00 (2006.01)

Patent

CA 2181804

The method characteristically comprises a step in which a material that includes at least one hydrocarbon-based polymer is added to the charge to be melted. This step is advantageously implemented immediately before starting the burner. The added material can also comprise fossil fuels and metal or nonmetal alloys. The subject polymer preferably comprises unfoamed polystyrene, polyethylene, or polypropylene, or a a combination thereof. The use of material comprising at least one hydrocarbon-based polymer in method for melting metals or nonmetals effect has the effect of enhancing the thermal yield and/or inhibiting oxidation of the elements constituting the charge to be melted.

Le procédé se caractérise en ce qu'il comprend une étape d'addition d'un matériau, contenant au moins un polymère provenant d'un hydrocarbure, à la charge à fondre; avantageusement cette étape a lieu immédiatement avant la mise en marche du brûleur. Le matériau ajouté peut comprendre en outre des combustibles fossiles et des alliages métalliques ou non métalliques; de préférence ledit polymère comprend du polyéthylène, du polypropylène ou du polystyrène non expansé, ou une combinaison de ces derniers. L'utilisation d'un matériau comprenant au moins un polymère provenant d'un hydrocarbure dans un processus de fusion de métaux ou de non-métaux a l'effet d'augmenter le rendement thermique et/ou inhiber l'oxydation des éléments qui composent la charge à fondre.

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