Distributor of hot feed material

Details Distributor of hot feed material Distributor of hot feed material

F - Mech Eng,Light,Heat,Weapons

27

B

F27B 3/18 (2006.01) F27D 3/10 (2006.01)

Patent

CA 2579743

The invention relates to a device for distributing hot feed into the feeding silos of a metallurgical furnace. The device comprises an inlet pipe for receiving the feed from the outlet of a previous process stage. A batching pipe is fitted to the inlet pipe for distributing the feed alternately into the feeding silos through feeding hoppers that are arranged below the inlet pipe and the batching pipe on the periphery of a circle. The inlet pipe and the batching pipe are arranged for rotation with respect to the centre axis of the inlet pipe, whereby the feed is directed alternately into each feeding hopper. The batching pipe is arranged between a protective shield, which is insulated from the environment in a gas-tight manner. The distributor of hot feed according to the invention is especially well-suited to feeding homogeneous and free-flowing material, such as preheated and pre-reduced ilmenite into the feeding and batching silos. The invention provides an environmentally safe way to feed the hot feed.

L'invention concerne un dispositif de distribution d'une alimentation chaude dans les silos d'alimentation d'un four métallurgique. Ledit dispositif comprend un tuyau d'entrée destiné à recevoir l'alimentation de la sortie d'un étage de traitement ultérieur. Un tuyau de distribution est connecté au tuyau d'entrée pour distribuer l'alimentation de manière alternée dans les silos d'alimentation par l'intermédiaire de trémies d'alimentation disposées en-dessous du tuyau d'entrée et du tuyau de distribution sur la partie périphérique d'un disque. Le tuyau d'entrée et le tuyau de distribution effectuent un mouvement de rotation par rapport à l'axe central du tuyau d'entrée, l'alimentation étant orientée de manière alternée dans chaque trémie d'alimentation. Le tuyau de distribution comprend une enveloppe de protection l'isolant de l'environnement et étanche aux gaz. Le distributeur d'alimentation chaude de l'invention est particulièrement adapté pour distribuer un matériau homogène fluide, par exemple de l'ilménite préchauffée et préréduite, dans les silos d'alimentation et de distribution. L'invention permet de distribuer l'alimentation chaude de manière sûre pour l'environnement.

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