Process and apparatus for producing metals and/or primary...

Details Process and apparatus for producing metals and/or primary... Process and apparatus for producing metals and/or primary...

C - Chemistry, Metallurgy

21

B

C21B 3/00 (2006.01) F27D 3/00 (2006.01)

Patent

CA 2591792

The invention relates to a method and to an associated device for producing metals and/or metal initial products, particularly pig iron and/or pig iron initial products, in which an, in particular, fine particulate, metal- containing feed material is, for subsequent processing, introduced into a melting unit, particularly a melt-down gasifier, in the form of a flow of media consisting of the feed material and of the conveying flow of gas, while using a pneumatic conveyance and by means of a conveying flow of gas. According to the invention, the introduction of the feed material ensues after removing the conveying flow of gas and separately at at least two introduction points so that at least two partial amounts of the feed material can be introduced independent of one another and continuously or in a stacked manner.

L'invention concerne un procédé et un dispositif associé pour fabriquer des métaux et/ou des articles métalliques semi-finis, notamment de la fonte brute et/ou des articles semi-finis en fonte brute. Selon l'invention, une matière contenant du métal, notamment de la matière sous forme de fines particules, est amenée par transport pneumatique, au moyen d'un flux gazeux, sous forme d'un écoulement d'agent constitué par ladite matière utilisée et par le flux gazeux de transport, dans un organe de fusion, notamment un gazéificateur de fusion, pour transformation. L'invention est caractérisée en ce que la matière utilisée est introduite après séparation du flux gazeux de transport, séparément en au moins deux points de chargement, de sorte que la matière utilisée est introduite en au moins deux parties indépendantes, en continu ou par lots.

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