The VariMach sonic flare tip features spring-actuated variable sonic nozzles that allow the exit area to vary with pressure, ensuring constant sonic velocity of waste gas. This industry-proven technology guarantees sufficient inspiration of air to ensure 100% smokeless combustion and infinite turndown. Radiation levels are also minimized throughout the entire range of flow, yielding shorter stack heights and reducing material costs. Additionally, the VariMach has the lowest purge rate of any flare technology on the market, minimizing utility costs while maintaining flashback protection.
Slot Flow Air Assisted flares are comprised of two concentric risers (waste gas and air) and a blower system that provides supplemental combustion air. Air is fed by the blower into the air riser, to combine with the process gas, which passes through its own secondary riser. Upon mixing, the high-pressure airflow causes turbulence in the waste gas stream, improving mixing, and ultimately combustion efficiency. SFVP flares generally dispose of heavier waste gases which have a greater tendency to smoke.
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