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Metal structures of blast furnaces



This article describes several types of support systems for the load-bearing structures of blast furnaces and their auxiliary equipment. A detailed discussion is presented of systems of the Czechoslovakian type. The lower part of such systems consists of a three-dimensional framework resting on four columns having a certain modulus. Supporting beams are located at the level of the casting platform and are suspended from other beams installed above the bustle pipe. One important advantage of this furnace design is that the combined weight of the auxiliary equipment and the load-bearing structures is divided between the four-column system and the furnace proper. This is convenient from a static viewpoint and significantly reduces the loads on the structure. One advantage of the proposed type of load-bearing system is that the weight of the furnace and the auxiliary equipment is evenly distributed over the entire area of the foundation slab. The proposed system can be used on all types of furnaces. Another advantage of the Czech system is that it affords safe access to the equipment located in the bottom part of the furnace. During the reconstruction of blast furnaces, the upper part of the furnace can be suspended on the four-column system while the bottom of the furnace is being replaced.



MetallurgistSpringer Journals

Published: Jul 1, 2006

DOI: 10.1007/s11015-006-0093-7

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