Importance

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Abstract

The invention concerns a replacement method and a device for assembling and disassembling modules of an electric arc furnace. Said method consists in lifting and pivoting the furnace cover or in only lifting it; when disassembling, it consists in removing the agent and power supply ducts as well as the instrument leads of the upper container (3) and/or of the lower container (2) and, after assembling in connecting them. The invention aims at enabling use of a low-power load crane and in significantly reducing replacement time. Therefor, once the lower container has been detached (2), the upper container (3) remains in its position, or once the energy agent supply ducts and the instrument leads have been detached, the upper container is lifted and detached by the loading crane. The lower container (2) is lifted then lowered and removed by a transport carriage (6) and, after the lower container has been replaced and introduced (2), the upper container (3) and the lower container (2) are once more connected, the agent and power supply ducts and the instrument leads previously detached are connected once more.

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First Claim