Abstract
The efficiency of pelletizing the sintering charge, in addition to its particle size distribution, moistening modes, and binding additives, is influenced by the characteristics of the equipment used for pelletizing ‒ design and operating mode. The normal course of the sintering process and the production of high-quality agglomerate are impossible if the charge is highly heterogeneous in size. Before sintering, the sintering mixture must be pelletised with pellet compaction after mixing. The equipment installed at JSC “Ural Steel” for preparing the charge for sintering does not provide a uniform granulometric composition of the pelletized sintering charge. In April 2023, one of the four sintering charge pelletizers Ø2.8×6 m operating at the enterprise was replaced with a drum pelletizer Ø2.8×8 m produced by LLC “Tsemek Minerals” (Magnitogorsk). The characteristics of the pelletized sintering charge and the quality indicators of the sinter produced at JSC “Ural Steel” are given. Measures are presented to modernize the equipment for preparing the charge for sintering, the implementation of which will allow the enterprise to obtain a sintering charge that is more uni-form in size, to increase the gas permeability of the sintered layer of the sintering charge on the pallets of the sintering machine, and also to improve the strength of the sintering material against impact and abrasion
Published Version
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