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["Método de control de temperatura de la cima estabilizadora",,"¿Por qué seén el control de temperatura de la parte superior de la destiladora de recuperación de ligeros se采用流量单回路控制而不是温度单回路或温度-流量串级控制???

2011-06-30View Original

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估计是回流比的稳定更能调节好塔内的气液平衡,若用温度的话,波动太大。个人观点
Reply #22011-07-01
追这样效果会更好些具体的我也不清楚我都是按照别的要求来做
Reply #32011-07-01
请问你说的温度单回路是什么?塔顶有直接进行加热的设备么?塔顶一般控制的就是温度、压力而且是通过回流或冷凝器换热面积来调节的你说的直接用回流调节说明控制点是塔顶的组成回流大组成高回流小组成低压力稳定情况下温度一定组成一定控制了温度就定了组成。"]
Reply #42011-07-01
请问你说的温度单回路是什么?塔顶有直接进行加热的设备么?塔顶一般控制的就是温度、压力,而且是通过回流或冷凝器换热面积来调节的,你说的直接用回流调节说明控制点是塔顶的组成,回流大组成高,回流小组成低,压力稳定情况下,温度一定组成一定,控制了温度就定下了组成。

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