Solids distributor for injection plants, blast furnaces and...

F - Mech Eng,Light,Heat,Weapons – 27 – B

Patent

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Details

F27B 1/10 (2006.01) B65G 53/06 (2006.01) B65G 53/12 (2006.01) C21B 5/00 (2006.01) F23K 3/02 (2006.01)

Patent

CA 2666566

Solids distributor for injection plants, in particular for blast furnaces, comprising a chamber and a plurality of lance lines (90) which lead off, wherein the chamber has a supply connection (77) for a ground solid which is to be distributed. According to the invention, the chamber is a collecting chamber (72) enclosed by a common wall (73), with the result that the lance lines (90) connected to it are interconnected within the collecting chamber (72), wherein a pressure container (4) is arranged geodetically above the collecting chamber (72), the lower part of which container is designed as a bunker (42) and has an outlet (47) connected to the supply connection (77), and the upper part (41) of which container is designed as a gas space. The design of the chamber as a common collecting chamber (72) and the direct connection of the lance lines (90) to the common wall (73) provide a significantly better raw distribution, which means that the individual lance controls conventionally used are largely superfluous. The invention extends to a corresponding distributor head which is particularly suitable for retrofitting existing plants.

L'invention concerne un répartiteur de solides pour installations de soufflage et en particulier pour hauts-fourneaux, qui présente une chambre d'où partent plusieurs conduits de lance (90), la chambre présentant un raccordement d'amenée (77) pour un solide broyé à répartir. Selon l'invention, la chambre est une chambre de collecte (72) fermée par une paroi commune (73), de sorte que les conduits de lance (90) qui y sont raccordés soient reliés les uns aux autres à l'intérieur de la chambre de collecte (72). Un récipient sous pression (4) dont la partie inférieure est configurée comme tampon (42), qui présente une sortie (47) reliée au raccordement d'amenée (77) et dont la partie supérieure (41) est configurée en forme d'espace pour gaz est disposé géodésiquement au-dessus de la chambre de collecte (72). La configuration de la chambre comme chambre commune de collecte (72) et le raccordement des conduits de lance (90) directement à la paroi commune (73) assurent une répartition nettement meilleure de la matière première de sorte que les régulations habituellement utilisées des lances individuelles deviennent largement superflues. L'invention concerne une tête de répartition appropriée qui convient en particulier pour être installée sur des installations existantes.

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