Feed device for a shaft furnace

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

Patent

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F27B 1/20 (2006.01) C21B 7/20 (2006.01) F27D 3/10 (2006.01)

Patent

CA 2377705

Feed device (100) for a shaft furnace (101), with a revolving chute (107, 111) comprising a cylindrical basic body (107) that can be driven so as to rotate about a first, substantially vertically oriented axis of rotation (A1) with a first drive mechanism (119) and a feed chute (111) that is fixedly attached to an outlet (107a) of the basic body and can be rotated therewith, in which the feed chute is composed of an upper part (113), which is adjacent to the outlet of the basic body and extends longitudinally at an angle to the first axis of rotation, and a lower part (115), which is rotatably connected to the upper part and comprises a second drive mechanism (127) for rotation about a second, substantially vertical axis of rotation (A2) spaced apart from the first axis of rotation.

L'invention concerne un dispositif d'alimentation (100) pour un four à cuve (101), comportant une goulotte tournante (107, 111). Cette dernière présente un corps de base cylindrique (107) pouvant être entraîné en rotation autour d'un axe de rotation (A1) sensiblement vertical et comportant un premier organe d'entraînement (119). Cette goulotte tournante (107, 111) présente également une goulotte d'alimentation (111) solidaire d'une sortie (107a) du corps de base et pouvant tourner avec ce dernier. Selon l'invention, la goulotte d'alimentation est composée d'une partie supérieure (113), qui est adjacente à la sortie du corps de base et dont l'axe longitudinal est incliné par rapport à l'axe de rotation, et d'une partie inférieure (115), qui est raccordée de manière rotative à la partie supérieure et qui présente un deuxième organe d'entraînement (127) pour assurer une rotation autour d'un deuxième axe de rotation (A2) sensiblement vertical, situé à distance du premier axe de rotation.

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