Abstract
The state of coke ovens at OOO Mechel-Koks is reviewed, and methods for their repair are described. Experience in identifying the source of lining defects at the heating-channel walls in coke batteries 1 and 3 is summarized. The factors responsible for the lining cracks in battery 7 are analyzed, and the state of coke batteries 2, 4, and 8 after repair is considered. A separate repair department at OOO Mechel-Koks has been created and charged with repair of the coke-battery lining. The coke ovens in batteries 8, 5, and 6 have been restored to service. The relining of the extreme heating channels at coke battery 1 is described. The expected life of the repaired coke ovens is more than 30 years.
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