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["Пoor溶剂苯含量过高的问题",,"Устройство для回收塔压力控制在-4КПа,低温控制气体水比例为133PPm,最近贫溶剂苯含量高,最高可达83PPm,给出一些调整建议",,"Как вы算气提水比例?我们处理量为k1 тонн//час,溶剂循环为35左右,气提水为k吨左右","Температура на дне колонны довед до设计值。溶剂回收塔底通常是175℃,汽提蒸汽量是贫溶剂的 s--3%w。计算一下是否足够,如果低的话可以适当提高一点。还有你确认贫溶剂的苯是83PPm?总烃通常可以接受在ww以下。我这边贫溶剂中的总烃含量在83PPM-133PPM之间,抽余油没有出现带苯的情况。"]

2019-03-13View Original

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我装置溶剂回收塔压力控-40KPa,低温控172,气体水比例1300PPm,最近贫溶剂苯含量高,最高可达8000PPm,给点调整建议
Reply #22019-04-02
你这个气提水比例是怎么算的,我们处理量10吨/小时,溶剂循环35左右,气提水1吨左右
Reply #32019-04-05
塔底温度提高到设计值吧。溶剂回收塔底通常是175℃,汽提蒸汽量是贫溶剂的1-3%w。计算一下是否足够,要是低的话可以适当提高一点。 还有你确认贫溶剂的苯是8000ppm?还是总烃?通常可以接受2w%以下的。我这边贫溶剂中的总烃含量在8000-13000ppm,抽余油没有出现带苯的情况。

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