Vapor Horn

Definition - What does Vapor Horn mean?

Vapor horn refers to a device that is used to separate liquid/vapor feed mixtures to petroleum refinery processes. It is primarily used introduce vapor only components into a vessel. Vapor horns may be prone to significant corrosion without regular inspections.


Corrosionpedia explains Vapor Horn

Vapor horns operate by using induced deviating action. This allows for liquid particles on the column wall to flow down into the collector tray and the vapor to remain.

Some vapor horn designs contain baffles to regulate excessive impingement and splashing. This can result in the formation of small liquid particles. Additional baffles can be introduced to eliminate cyclonic motion after the completion of bulk phase separation and the swirling motion is no longer desirable. However, an increase in the number of baffles, increases the potential rate of crevice corrosion that may be experienced in the horn. This is due to greater pockets for moisture entrapment.

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