Questions regarding main steam accident steam and sleeve accident steam
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When the main steam supply is cut off, two accident steam interlocks are activated. I would like to ask those of you working with catalytic systems: does your plant immediately switch to another medium, or does it continue to use steam?
Continuing to use steam, waiting to resume operations
Depending on the duration, use short-term steam application, but control the amount to prevent low regeneration temperatures; avoid leaving the bed under pressure for long periods
The reason for using steam is that this area typically uses steam at 1.0 Mpa, and the sufficient pressure is available to push aside the accumulated catalyst. However, it is recommended that, provided fluidization is ensured, air be used as the fluidizing medium as early as possible – it is better to start supplying air at an early stage, which is beneficial for both the catalyst and the equipment!
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