When taking a shell-and-tube heat exchanger with a removable tube bundle such as a bayonet-tube type heavy fuel oil service heater out of service, to...

Question

When taking a shell-and-tube heat exchanger with a removable tube bundle such as a bayonet-tube type heavy fuel oil service heater out of service, to avoid thermal shock what statement represents the correct operating procedure?

Accepted Answer

Gradually secure the steam first, then secure the heavy fuel oil to avoid thermal shock.

Engine: Retired questions · General Subjects

When taking a shell-and-tube heat exchanger with a removable tube bundle such as a bayonet-tube type heavy fuel oil service heater out of service, to avoid thermal shock what statement represents the correct operating procedure?

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