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["恳请精馏大师解答,困扰已久!跪谢"

2018-06-08View Original

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При изменении состава входящего материала,
Reply #22018-06-08
useretten
Reply #32018-06-08
在进料组成变轻的情况下,塔内压力保持不变,为了保证塔顶和塔底产品合格,应该怎样调节?是分别考虑精馏段和提馏段两部分的气液平衡状态,还是
Reply #42018-06-08
user
Reply #52018-06-08
Translate the following text accurately while preserving technical terms:
Reply #62018-06-14
在进料组成变轻的情况下,塔内压力保持不变,为了保证塔顶和塔底产品合格,应该怎样调节?是分别考虑精馏段和提馏段两部分的气液平衡状态,还是要整体考虑塔内的气液平衡状态进行相应的调整!谢谢
Reply #72018-06-16
以下仅供参考:得看你组分变轻的程度,如果变轻时工艺调整不会起作用。变轻会增加提馏段负荷,适当加大塔釜热量输入,适当减少回流量。有的塔设计上有两三个进料口,如果有可以改到高位置进料。
Reply #82018-06-22
加大塔釜加热量来提高底温和灵敏板温度,防止轻组分分造成塔底不合格,塔顶问题不大,注意顶温不超正常的不合格温度就行。实在不行遵循楼上改高进料层。具体提高的温度要看样品纯度和进料组分变化的多少,这就是你操作的经验问题了。

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