C - Chemistry – Metallurgy – 03 – C
Patent
C - Chemistry, Metallurgy
03
C
C03C 1/00 (2006.01) C03C 13/00 (2006.01)
Patent
CA 2435261
The invention relates to a method for producing insulating materials from mineral fibers, especially from glass and/or rock wool. A silicate melt is produced in a melting unit, especially a cupola melting furnace, and is disintegrated in a disintegration device to preferably microfine fibers. Preferably, a binder and/or proofing agent is added to the fibers and they are placed on a conveyor means in the form of an unwoven material. The aim of the invention is to improve said method and said melt in such a manner that the method can be carried out at lower costs or that an inexpensive melt is provided by using inexpensive starting materials. To this end, the silicate melt is at least partially produced from catalysts derived from oil refining that are especially no longer useful.
L'invention concerne un procédé de production de matériaux isolants en fibres minérales, notamment en laine de verre et/ou en laine minérale. Ce procédé consiste à produire une masse fondue silicatée dans un ensemble de fusion, notamment un cubilot et à défibrer, de préférence, des microfibres dans un dispositif de défibrage ; à ajouter aux fibres, de préférence, un agent liant et/ou d'imprégnation et à déposer les fibres en nappe sur un dispositif de transport. Pour améliorer un procédé et une masse fondue selon l'invention de telle manière que l'utilisation de produits de départ économiques permette d'exécuter un procédé bon marché ou de disposer d'une matière fondue économique, la matière fondue silicatée est produite au moins partiellement à partir de catalyseurs du traitement du pétrole, qui ne sont notamment plus utilisables.
Klose Gerd-Rudiger
Leismann Andreas
Nykiel Guido
Deutsche Rockwool Mineralwoll Gmbh & C0. Ohg
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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