The Knockout Drum’s function is to remove oil and liquids from flare gases It is part of the flare header system, which is the main component in petroleum and natural gas refineries
Usually, in these plants, the gases that are released contain certain amounts of oil and water that can turn hazardous for the environment
WHY IS IT ESSENTIAL TO HAVE A KNOCKOUT DRUM
Contaminants in oil lead to unstable burning and this is hazardous
The water droplets can extinguish flare flames
Liquids can cause excess smoking
When burning liquid and oil contaminants they release chemical sprays that can be dangerous
HORIZONTAL KNOCK OUT DRUM DESIGN
The operating parameters and most importantly, the space available determines the design choice of the knockout drum When the flowrate is high and the need for storage of liquid is more, there is a use for the horizontal knockout drum
VERTICAL KNOCK OUT DRUM DESIGN
This design works best when there is not enough space to place a knockout drum and the liquid load is low
COMBINATION DRUM
At the base of the flare, system is the vertical drum and further upstream is the horizontal drum This kind of combination drum helps handle large gas volumes and is very effective at removing gas and oil in the flaring system
