Process for recovering and disposing of residues produced in...

Details Process for recovering and disposing of residues produced in... Process for recovering and disposing of residues produced in...

C - Chemistry, Metallurgy

22

B

C22B 7/02 (2006.01) F27B 1/18 (2006.01) F27D 17/00 (2006.01)

Patent

CA 2223132

A process is disclosed for recovering and disposing of wet residues produced in cupola furnaces and the metals contained therein, the dust being captured by a filter device. The process is characterised in that the wet residue components are dried using hot waste gases from the system and recovered or converted to slag by being reintroduced into the furnace. This procedure eliminates high waste dumping costs and makes the most efficient use of available useful substances and waste gas energy.

Cette invention concerne un procédé pour la récupération des résidus humides produits dans un cubilot et des métaux qu'il contient, les poussières étant interceptées au moyen d'un dispositif de filtration, caractérisé en ce que les résidus humides sont séchés par les gaz perdus chauds provenant du système et récupérés et/ou transformés en scories par réintroduction dans le cubilot. On élimine ainsi le coût élevé de stockage de déchets nocifs et on utilise de manière optimale des matières utiles disponibles et l'énergie des gaz perdus.

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