Flare ignition systems

September 2008 Maintenance, Test & Measurement, Calibration

Flaring systems in a refinery, petrochemical or steel plant ensure the safe and efficient disposal of relieved gases. A flare is expected to operate 24 hours per day and the flare system should be in service for several years without the need for maintenance.

Smitsvonk has years of experience in the development and manufacture of flare ignition systems ensuring that the correct design and operation are chosen for each application. The company offers three kinds of flare ignition systems: a classic flare ignition with a flame front generator; a gas-electric flare ignition; and a combination of both types.

A flame front generator is a system in which a gas/air mixture is introduced at ground level and flows up a 25 mm line to the pilot burner. After filling this line with the mixture it is ignited by a spark. The resulting flame travels to the top of the flare where the pilot burner is ignited.

The gas-electric flare ignition is a premixed, self-aspirating pilot burner with three integrated spark plugs.

Ignition of waste gases can be done by pilot burners or for some applications by ignition lances. The ignition system must reliably ignite the waste gas of the flare. If the ignition system fails, unburned hydrocarbons and toxic gases are released into the atmosphere.

For more information contact Noel Bauchop, OEN Enterprises, +27 (0)11 675 4447, [email protected], www.oenenterprises.co.za

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