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2018-03-22View Original

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在系统中加入一定量的NaOH会造成塔再沸器列管结垢吗?请教各位!
Reply #22018-03-22
加入任何可能产生固体的东西都会引起结垢。但是氢氧化钠这东西可能会抑制其它东西的结垢,在低温甲醇洗预洗再生精馏塔,再沸器特意设置了注入氢氧化钠的系统
Reply #32018-03-22
不会 ,加入是为了抑制结垢 相当于阻垢剂 不过最好抑制结垢的方法是降低物料在加热器的停留时间
Reply #42018-03-22
塔底物料中有足量的水份时不会结垢,残留水份很少时就会有盐或碱固体析出而产生结垢。
Reply #52018-03-23
有结垢风险,但要控制碱液加入量,保证仪表准确,再沸器温度不要超过设计值,高的循环量,较低塔釜液位。

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