An engineered method for the repair of coke oven batteries

Conference · Tue Dec 31 04:00:00 EST 1996

OSTI ID:460644

Dohle, H ^[1]; Ehmke, R ^[2]

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1. Thyssen Still Otto Anlagentechnik GmbH, Bochum (Germany)
2. Still Otto Montage GmbH, Recklinghausen (Germany)

Improved sales figures in steel making industry and the consequently higher demand for blast furnace coke more recently not only led to a lot of new plant construction projects but also to a vivid growth in repair projects. Sales problems experienced in the past combined with the reluctant attitude to invest in new battery construction projects exerted a negative influence on the age structure of coke plants worldwide. In the US, for example, 58% of the steel companies` coke ovens and 72% of the merchant coke ovens are over 20 years old. The structural status and thus the service life expectancy of a coke oven battery surely do not alone depend on the coke oven battery`s age, but in particular on its total coke production and on the operating and maintenance practice of its operators. More stringent pollution control codes and regulations call for optimum maintenance, particularly for older coke oven plants, considering both technical and economic aspects. The target is to maintain the operability of coke ovens for a lot more years by implementing the best suitable maintenance and repair methods. On condition that appropriate maintenance and repair methods are initiated in time and with care and diligence, the service life of a coke oven battery can be prolonged substantially. A selection of repair and modernization programs developed by TSOA is described and explained.

• OSTI ID: 460644
• Report Number(s): CONF-960317--; ISBN 1-886362-12-2
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
COKE OVENS
DAMAGE
MAINTENANCE
PROGRAM MANAGEMENT
REPAIR
SERVICE LIFE