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2018-03-31View Original

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Reply #22018-03-31
"El contenido ligero del ingreso a lail var var变化为不同的轻组分。",
Reply #32018-03-31
"Después de que el contenido ligero del ingreso a la变化为不同的轻组分,如果不改变操作条件,塔将会如何变化??",
Reply #42018-03-31
"No se satisfacen los requisitos de separar los productos de la la塔塔。产品将不合格。",
Reply #52018-03-31
"Cuando el contenido ligero del ingreso变化为不同的组分,塔塔塔的其他操作条件不变会出现以下情况:1、塔的各部分温度降低;
Reply #62018-04-14
进料组成的影响 ① 进料重组分含量增加,精馏段负荷增加,对于固定的塔而言,塔顶产品中重组分含量增加,质量不合格。 ② 进料轻组分含量增加,提馏段负荷增加,对于固定的塔而言,塔釜轻组分不能完全蒸出,釜液中轻组分含量损失加大。 ③ 进料组分变轻时,塔顶产量增加,釜液量减少,全塔温度下降,塔压升高;进料组分变重时则相反。 进料组成变化时可采取的措施 ① 改进料口:组分变轻时,进料口向下改。 ② 改变回流比:组分变轻时,回流比应增加 ③ 调节冷剂量和热剂量。

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