Blowdown stacks may either be ignited (like a flare) or un-ignited (a ‘cold’ vent). The height of the blowdown stack must be tall enough to ensure the safe dispersal of vapour.
Blowdown stacks can either be ignited (like a flare) or un-ignited (a 'cold' vent). The height of the blowdown stack must be sufficient to guarantee the safe dispersal of vapour.