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When the bottom reboiler of the hydrocracking distillation column is fed via multiple streams, what is the purpose of installing flow meter control valves for each stream? Thank you.

2016-12-27View Original

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When the bottom reboiler of the hydrocracking distillation column is fed via multiple streams, what is the purpose of installing flow meter control valves for each stream? Thank you.
Reply #22016-12-27
It is mainly to prevent offset current. . .
Reply #32016-12-27
Prevent drift current and avoid coking of the furnace tubes
Reply #42016-12-27
Ensure that the flow rate in each channel is as close as possible to prevent uneven flow, which could lead to localized overheating and coking
Reply #52016-12-28
Prevent offset current, dry burning of the furnace tubes, and coking of the furnace tubes
Reply #62016-12-28
It effectively prevents drift current and dry burning of the furnace tubes; generally, this is an interlock mechanism~~~~

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