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The objective of this study was to carry out a comprehensive literature review of techniques used to extend the campaign life of blast furnaces and identify important aspects of operational practices, remedial actions and future plant design, to establish cost-effective methods of extending European blast furnace campaign lives. For further improvements in blast furnace campaign life, continual development of materials and techniques is essential, particularly in critical areas. The effect of a stack spray is often limited to a few months and an extension of this by improvements in anchoring, materials or techniques would be of great benefit. The reduction in cooling member failure and subsequent water leakage is an important factor in extending furnace life, by improved design, adoption of copper staves, the use of surface coatings, and improved leak detection. As furnace life increases, it is important to ensure the reliability of the ancillary parts of a plant and to design plants which are readily upgradeable to meet the ever tightening environmental constraints.

Additional information

Authors: JAMESON D, British Steel plc, London (GB);LUNGEN H, British Steel plc, London (GB);LAO D, British Steel plc, London (GB)
Bibliographic Reference: EUR 17247 EN (1997) 134pp., FS, ECU 23
Availability: Available from the (2)
ISBN: ISBN 92-827-9912-3
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