| 摘要 |
Centrifuge wheels with blades are used to discharge bulk materials, especially cement, a stationary sealing disc being connected underneath the blades on the connection shaft. According to the invention, a centrifuge disc is arranged between the blades of the centrifuge wheel and the sealing disc, and is fixedly connected to the underside of the centrifuge wheel by means of a central screw connection. Wear of the sealing disc is reduced to a minimum by the arrangement of the centrifuge disc. The centrifuge disc can be replaced easily and is cheaper than a sealing disc. A layer of grease is applied between the centrifuge disc and the sealing disc, and, together with the arrangement of a cam ring and a corresponding shoulder which acts as a baffle plate, stops foreign bodies reaching the connection shaft from outside.
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