Considerations concerning the cross anchoring of tall coke ovens and design applications

TL;DRAbstract

The cross anchoring system of the heating walls of a coke oven battery and the introduction of the loads from the larry car onto the refractory part of the coke oven are of utmost importance for longevity, particularly for tall coke ovens. Concerning the loads from the larry car, a support system was developed that transfers the larry car loads optimally. Stresses that are to be considered for the design of the cross anchoring system are primarily caused by coal expansion pressure during the coking process, coke pushing, and loads from the oven roof, including larry car. The ideal distribution of the required horizontal pre-stress of the heating wall cross anchoring system was determined with the aid of a finite element computer model. As a result, a cross anchoring system was developed that maintains, within reasonable limits, the applied pre-stress irrespective of any disturbing effects due to operating and climatic conditions. 3 references.

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