Knockout Drums are two phase liquid gas separators used for separation of oil and/or water from gas streams. They are also called by several other names based on technology used. Some of these names are mist eliminators, scrubber separators, vane pack separators, demister pad separators, inertial separators, flash drums, mesh pad separators, droplet separators, gas liquid separators, vapor liquid separators, cyclone separators and chevron mist eliminators. They are designed for horizontal and vertical installations depending on liquid loading and gas volume.
Sungov performs separator design including sizing the vessel to promote high separation efficiency. Sungov offers scrubber separators with either a demister pad or vane pack. Scrubber design includes selection of demister pad size, mesh pad density and thickness, vane pack type for fine droplet separation.
Sungov manufactures Knockout Drums for several applications including natural gas, flare gas, and other fuel gas. The Knockout Drums are generally constructed to ASME Sec VIII Div. 1 Code of construction with/without ASME stamping.
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Frequently Asked Questions
A knockout drum is a pressure-vessel separator that removes liquids (water, oil, condensate) from gas streams by slowing the gas flow and letting heavier liquid droplets settle at the bottom.
A fuel-gas or flare knockout drum prevents liquid carry-over into the flare stack or downstream equipment, avoiding irregular combustion, flame extinction, smoke formation or “burning-rain” hazards.
Knockout drums come in horizontal and vertical configurations. Horizontal drums are ideal for high gas flow and large liquid volume capacity; vertical drums are preferred when footprint is limited or liquid load is low.
Choose vertical design when space is constrained and liquid load is light. Choose horizontal design if the system handles high flow rates and requires larger liquid-holding capacity or lower pressure drop.
