Shaft furnace

Details Shaft furnace Shaft furnace

C - Chemistry, Metallurgy

21

B

C21B 13/02 (2006.01) F27B 1/10 (2006.01) F27B 1/21 (2006.01)

Patent

CA 2296318

The invention relates to a shaft furnace (1), especially a direct reduction shaft furnace, with a fill (2) of bulk material, especially bulk material containing iron oxide and/or sponge iron, discharge devices (4) for the bulk material arranged above the floor area (3) of the shaft furnace (1), as well as inlet openings (6) for a reducing gas which are positioned above the discharge devices (4). Devices (7) for moving the material contained in the shaft furnace (1) are arranged between the area formed by the inlet openings (6) and the area formed by the discharge device (4).

L'invention concerne un four vertical (1), notamment un four vertical à réduction directe, comportant un remblai (2) de produit en vrac, notamment un produit en vrac contenant de l'oxyde de fer et/ou du fer spongieux, des dispositifs d'extraction (4) pour le produit en vrac, disposés au-dessus de la zone de la base inférieure (3) du four vertical (1), ainsi que des orifices d'entrée (6) prévus pour un gaz de réduction et disposés au-dessus des dispositifs d'extraction (4). Entre la zone formée par les orifices d'entrée (6) et la zone formée par les dispositifs d'extraction (4), il est prévu des dispositifs (7) servant à déplacer le produit situé dans le four vertical (1).

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