减轻冲刷的单流通道式感应加热中间包结构优化数学模拟

Special Steel(2021)

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Abstract
以钢厂30 t中间包为原型,设计了一种减轻包壁冲刷的"鼓肚式"单流通道感应加热中间包.采用数值模拟方法研究了"鼓肚式"感应加热中间包的钢液流动行为,探究了前腔体积对钢液流动状态的影响.研究结果表明,"鼓肚"显著减轻了中间包后腔包壁的冲刷,该"鼓肚式"中间包其平均停留时间延长3.83%-6.44%,死区体积减小5.6%~5.93%.前腔体积为1.06 m3时,钢液平均停留时间最长.中间包水口流量分别为150 kg/min和200 kg/min时,平均停留时间最长分别为678 s和569 s;死区体积比例最小分别为5.87%和0.55%.
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