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["Дизельнаяная переработкаа: за последние время перед дегидированием концентентияый сера一直在大幅波动,有什么原因"

2020-06-02View Original

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'"其他参数无较大变化,之前硫化氢一直在之前脱前硫化氢一直一直稳定在之前脱前硫化氢一直在最近一段时间脱前上升到6,波动,脱后在个位数,贫液量正常半吨波动。正常定时样。原料无较大变化。我们这化验室硫化氢用试管做样,求助论坛前辈大概都有什么原因导致"
Reply #22020-06-02
"
Reply #32020-06-02
我们这也出现过类似情况,检查一下采样器是不是采样时带液了,微量液体会对做样分析准确率产生较大的影响"
Reply #42020-06-04
'"用硫化氢分析跟操作人员有很大的管线。我们之前出现过白班测硫化氢偏高,晚上测硫化氢很低的原因是不是同一个人采样做的的分析。后来发现是晚上的化验人员不大做分析。所以建议你找分析主管现场做两次分析试试看结果。一般操作硫化氢不可能有那么大的波动"
Reply #52020-06-04
'"你你原料中的硫含量肯定是升高了了反应温度会相应升高造成了你脱硫前氢的硫化氢含量上升"
Reply #62020-06-06
'"我们我们用取样袋取样然后化验室用针管推到硫化氢试管里观察"
Reply #72020-06-08
"
Reply #82020-06-09
我们我们只做脱后脱前采样太危险了"
Reply #92020-06-25
'"脱前取样硫化氢太高分析取样有问题也能带来较大误差"
Reply #102020-06-25
"
Reply #112020-07-27
"硫化氢较低的话如何查看呢"
Reply #122020-11-12
'"看看你们高低分的压力有没有变化高高分压力低了 温度高高了 会在热高高一次闪闪蒸气量多了 会有一定的影响"
Reply #132020-11-12
'"我们我们只有一套冷高低分 �高分压力用新氢机控压力就是反应压力 低分压力打自动"

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