The reserve level in the regenerator varies significantly
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The fluctuation range of the regenerator bed inventory is large; what is the reason?
The main air distributor is damaged, resulting in poor fluidization; check the condition of the catalyst coking.
Is it just fluctuations in the regenerator inventory? What about the inventory in the stripping section? Observe the pressure drop in the main air distribution duct and the changes in the pressure at the outlet of the main fan
It could be that the main air distribution pipe is damaged, or it might be that there is severe flow deviation in the catalyst bed – what’s the temperature difference between the dilute and dense phases?