Pilotless flare ignitor

Details Pilotless flare ignitor Pilotless flare ignitor

1997-09-10

1999-08-17

Price, Carl D.

Combustion

Structural installation

431263, 431264, F23Q 300, F23D 2100

Patent

active

059384263

ABSTRACT:
A pilotless flare ignitor for igniting waste gas issuing from a flare stack, characterized by an ignitor housing including a horizontal ignitor head having an open end which extends into the flare stack. A pair of electrodes are mounted horizontally in the ignitor head and the ends of the electrodes are positioned to define a diagonal spark gap for producing a spark in the ignitor head. A step-up transformer is wired to the electrodes for generating the spark in the spark gap and a timer, wired to the transformer, controls the duration of the spark. As the gas flows upwardly through the flare stack and into the open end of the ignitor head, the timer is operated to periodically energize the transformer and produce a spark between the electrodes in order to intermittently ignite the waste gas in the ignitor head and flare stack. When the timer de-energizes the transformer and the spark is extinguished, the flaming gas is cleared from the ignitor head and confined to the portion of the flare stack which extends above the ignitor head, thus minimizing corrosion of the ignitor head by the burning gas.

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Data Sheet, Flare Industries, Inc. P. 300, Model 100 Ignitor Brochure, "The Stackmatch", "Hot Rod" vent flare ignitor, Stackmatch Flare Ignition Corp.

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