Access for flared gas to steam in flares

Details Access for flared gas to steam in flares Access for flared gas to steam in flares

1977-07-15

1979-05-15

Favors, Edward G.

Combustion

Structural installation

431 5, 431190, F23D 1320

Patent

active

041545729

ABSTRACT:
An improved flare system in which steam is injected into the column of gas to be burned, from circumferential nozzles at at least two spaced levels, above the tip of the flare stack. A circular manifold surrounds the stack just below the tip and an even number of small diameter riser pipes are attached to the manifold, spaced equally circumferentially. The riser pipes have nozzles all of which are directed radially inwardly and upwardly at a selected angle. Half of the nozzles are spaced at a first selected distance above the tip of the flare stack, and the other half are positioned at a greater selected elevation above the tip of the flare stack. Alternate risers have different elevations of the nozzles. By this means, a minimum diameter of the cross-section of the gas flow is occluded by the steam flow.

REFERENCES:
patent: 3134424 (1964-05-01), Zink et al.
patent: 3512911 (1970-05-01), Reed et al.
patent: 4039276 (1977-08-01), Reed et al.

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