Recent Technology of Coke Oven Refractories

by Kiyoto KASAI ,  Yasushi TSUTUI

When oven brickwork conditions have degraded, maintenance and walls repair is  the only option, and a right mix of repair methodologies are used as gunning and hot spraying techniques, but also partial brick relaying near oven doors and large-scale relaying of entire chamber or hot walls rebricking to the various depth.  These repairs tecniques are the main action in order to reduce the stack emissions and return ovens to production faster and  extend battery life.

Nippon Steel is developping and expanding in his all coke plant new developed diagnosis and repair machine able to perform  inspections and k and accurate repair of coking walls.


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