Thyssenkrupp Industrial Solutions Ag

Polysius Ag

Thyssenkrupp Polysius Aktiengesellschaft

Thyssenkrupp Resource Technologies Gmbh

Ralf Martens

Herbert Pingel

Egbert Burchardt

Dirk Schefer

Silvio Lorenz

Heinz Schroeder

The grinding roller of a roller mill according to the invention consists essentially of a roller shaft, a main roller body and an external wear ring having a wear protection, wherein the connection between the roller shaft and the main roller body is formed by a shrink fit. The main roller body is formed by at least two coaxially arranged intermediate rings.

Grinding roller of a roller mill

Ventilation element for a cooler for cooling bulk material, comprising a tray-like component provided with at least one opening for the supply of cooling gas as well as an insert which can be releasably fixed in the tray-like component and forms a support surface which can be ventilated from below for the bulk material, the insert consisting of a plurality of longitudinal profiled sections and connecting elements disposed transversely with respect thereto. The longitudinal profiled sections and the connecting elements are constructed in such a way that they can be pushed into one another during assembly of the insert.

Ventilation element for a cooler

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Beckum, Germany

Ralf Martens