| ‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘ KAWASAKI STEEL TECHNICAL REPORT No.11 ( March 1985 ) ‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘ |
| Remodeling of LD Converters into K-BOP - with Emphasis on Design and Construction Hideyuki Tanaka, Toshiyuki Iwatani, Ken-ichi Suyama, Masahiro Ariyoshi, Shinji Akiyama, Hideo Take |
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Synopsis : In Mizushima Works, all three LD converters of No.2 BOF shop were remodeled into K-BOP (combined blowing processes) by March 1984, and have continuously been operating satisfactorily. Way of design and execution in bulk for remodeling LD into K-BOP was successfully established through this reconstruction by organizing self-executing formation, for instance, the dynamic analysis of the vessel, arrangement of environmental equipment and decision of specifications of incidental facilities which include piping, stand-by equipment and bottom maintenance equipment. To remodel the vessel, dynamic analysis was done by heat and stress analysis using FEM. The reconstruction was executed during two times of relining for each converter, without incurring any operation disturbance. Although vessel vibration was expected, it was fully solved by improvement in operation and design of tuyere arrangement. Three K-BOP's have been maintaining high productivity and economy in steel making. |
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