Conversion of raw coal into BF quality coke at Coke Ovens involves many processes where the machines/ equipment are subjected to high wear and tear process. Particularly, during crushing of raw coal, hammers are subjected to high impact and wear force. Due to poor wear resistance properties of the material; the hammer head wears very fast resulting in reduction in the crushing efficiency of mill. On an average, conventional hammers have a life of ~3000 hrs.
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