Accessories
Liquid Seal Drum
General
- Designed to prevent flashback by creating a water barrier between the flare and the waste gas source
- Waste gas flows into the liquid seal and down through a submersed conical exit baffle
- Designed to bubble the waste gas through the water to ensure there is no path for a flashback to penetrate the water barrier
- Often used to stage or control flow rates to multiple relief devices
Selection Criteria / Advantages
- Prevents flashback of gas types a through d
- Creates positive pressure in the flare header
- Will collect entrained liquids before reaching flare tip
- Multiple units can be utilized for staging purposes
- Automatic water level control system available
- Can be combined with a knockout drum in a single vessel
- Proprietary diffuser and baffle system minimize water surging
- Includes a skimmer to remove hydrocarbon liquid droplets
- No moving parts
- Can be designed and stamped as an ASME Section VIII pressure vessel
Dimensions:
Standard height / length: 5’ – 50’ + [1.5 m – 15.2 m +]
Diameter: 24” – 144” + [610 – 3658 mm +]
Standard Materials:
Internals: stainless and carbon steel
Vessel: carbon steel