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应用美国精馏研究公司(FRI)的工业测试数据对当前国内应用的网孔塔板设计模型进行了评价,计算结果表明,塔板压力降模型和操作上限模型的计算值都低于FRI工业测试值。在FRI数据基础上对设计模型进行了修正,得到的新塔板压力降、塔板上限模型具有较好的设计可靠性,提高了网孔塔板设计模型的预测精度。
According to the industrial test data of FRI, the design model of mesh tray currently applied in China is evaluated. The calculation results show that both the tray pressure drop model and the operation cap model are lower than the FRI industrial test value. Based on the FRI data, the design model was modified. The new tray pressure drop and the tray upper limit model have good design reliability and the prediction accuracy of mesh tray design model is improved.