Slag crusher

Details Slag crusher Slag crusher

B - Operations, Transporting

02

C

B02C 18/14 (2006.01) F23J 1/00 (2006.01) F23J 1/06 (2006.01)

Patent

CA 2311776

The invention relates to a slag crusher with a shaft (2) extending through the pressure housing (1), which shaft comprises inlet baffle plates (12, 15) and a slotted inlet baffle plate (12a) in a funnel-shaped arrangement, stationary cutting knives (7) as well as cutting knives (4) rotating on the shaft (2). The vertical center line (22) of the shaft (2) is disposed eccentrically or off-set with respect to the vertical center line (20) of the pressure housing (1) at a distance "a", so that the crushing area is concentrated in the middle of the slag crusher. When crushing the material to be crushed, the crushing shoulders of the rotating cutting knives (4) from the stationary cutting knives (7) protruding through the inlet baffle plate (12) and the slotted inlet baffle plate (12a), which stationary cutting knives (7) are provided with a wear-resistant build-up weld (11) in the crushing area. The rotating cutting knives (4) are angularly offset on the periphery of the shaft (2) in a known manner, so that it is achieved that during the crushing operation only one rotating knife (4) and two stationary knives (7) are each in engagement with each other, and the further knives (4) or pairs of knives (7) are used only subsequently.

L'invention concerne un broyeur de scories comportant un arbre (2) passant à travers le carter sous pression (1), comportant des tôles d'entrée (12, 15) disposées en forme de trémie, des lames de coupe fixes (7) et des lames de coupe rotatives (4) tournant sur l'arbre (2). L'axe central vertical (22) de l'arbre (2) est excentré ou décalé par rapport à l'axe central vertical (20) du carter sous pression (1) d'une distance "a", de sorte que la zone de broyage est concentrée dans la partie centrale du broyeur de scories. Les épaulements de broyage destinés aux lames de coupe rotatives (4) forment, lors de la fragmentation du matériau à broyer, les lames de coupe fixes (7) passant par les tôles d'entrée (12, 12a), ces dernières lames étant pourvues, dans la zone de broyage, d'une partie formée par chargement par soudure (11) résistant à l'usure. Les lames de coupe rotatives (4) sont disposées, d'une façon connue, sur la périphérie de l'arbre (2) avec un certain décalage angulaire, ce qui permet d'obtenir que, lors du processus de broyage, une lame rotative (4) s'engage respectivement entre deux lames fixes (7) et que les autres lames (4) ou paires de lames (7) n'entrent en action qu'ultérieurement.

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