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ISSN Печать: 1064-2285
ISSN Онлайн: 2162-6561
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HEAT TRANSFER OPTIMIZATION OF BLAST FURNACE STAVE BASED ON ENTRANSY DISSIPATION AND ENTROPY GENERATION ANALYSIS
Краткое описание
The entransy dissipation and entropy generation of a blast furnace stave are analyzed. The cooling capacity coefficient, entropy production, and performance coefficient of a blast furnace stave are defined and calculated. The influence of structural parameters of the blast furnace stave on the cooling capacity coefficient, entropy production, and performance coefficient is discussed. The results show that reducing the distance from a cooling water pipe to a hot surface or reducing the thickness of inlaid brick will increase the cooling capacity of the stave, and this increase is greater than that of the available energy loss, the performance coefficient of the stave increases. On the other hand, increasing the radius of the cooling water pipe or reducing the cooling pipe spacing will increase the cooling capacity of the stave too, but this increase is less than that of the available energy loss, the performance coefficient of the stave decreases. In the structural optimization design of a blast furnace stave, the selection should follow the order shown below, reducing the distance from the cooling water pipe to the hot surface, reducing the thickness of the inlaid brick, increasing the radius of the cooling water pipe, and reducing the cooling pipe spacing. The results of this paper provide a theoretical basis for optimizing the performance of the blast furnace stave.
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