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Emergency Vent Flare Ice Build-Up Estimation

Emergency Vent Flare Ice Build-Up Estimation

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Emergency Vent Flare Ice Build-Up Estimation
An emergency vent flare is used when an upset condition occurs or due to equipment failure and the gas stream can’t be processed normally. In some instances, the gas temperature may be extremely low and significant ice build-up may occur on the outside surface of the flare stack. The additional mass and distribution of the mass may be an important consideration during structural integrity calculations of the stack. A very simple Flownex® model is presented which provides the design engineer with a reasonable estimate of worst-case ice build-up thicknesses.