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为提升铝熔炼炉热效率、降低污染物排放和提高熔体质量,在对某厂蓄热式铝熔炼炉热平衡测试的基础上,建立合理的铝熔炼炉模型,提出了优化准则。运用计算流体力学软件Fluent对铝熔炼炉燃烧器不同水平夹角下铝液和炉膛的耦合物理场进行了仿真优化。经过对不同燃烧器水平夹角下的优化分析,结果表明,燃烧器水平夹角为90°时,铝熔炼炉能获得最佳的熔炼性能。
In order to improve thermal efficiency of aluminum smelting furnace, reduce pollutant emission and improve melt quality, a reasonable aluminum smelting furnace model was established based on the heat balance test of a regenerative aluminum smelting furnace in a plant, and an optimization criterion was put forward. The computational fluid dynamics software Fluent was used to simulate the coupled physical field of molten aluminum and the hearth at different angles of the aluminum smelting furnace burner. Through the optimization analysis of the angle between different burners, the results show that the aluminum smelting furnace can obtain the best smelting performance when the burner horizontal angle is 90 °.