Fluidization problems in the two reactors of catalytic cracking?
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How to fluidize the two reactors at startup? How to determine if fluidization is normal?
Once the charge reaches a certain level and the temperature of the regenerator is around 710 degrees, slightly open the regenerative valve, paying attention to the reaction temperature; as it rises, fluidization begins. When it does not rise, the regenerator pressure can be increased while the reaction pressure is reduced. Be sure to proceed step by step and don’t rush.