Air powered smokeless flare

Details Air powered smokeless flare Air powered smokeless flare

1975-02-24

1976-05-04

Dority, Jr, Carroll B.

Combustion

Structural installation

431350, 23277C, 239430, F23D 1500

Patent

active

039543854

ABSTRACT:
This is an improved smokeless flare powered by air supply to the burner at substantial velocity. The flare includes an air flow-operated damper for the purpose of preventing the back flow of flame and hot gases under adverse wind conditions. The damper consists of two semicircular plates which are hinged along the diameter of the air supply pipe and are held in a closed (transverse) position by means of tension springs. Another feature of this flare is that in the sectors between the spider arms of the burner there are baffles which are triangular in shape and have substantial longitudinal dimension. There are narrow passages between the baffles and each of the adjacent spider arms so that the air flow from the blower must pass through these restricted passages and therefore will move at a higher velocity. A third feature involves openings through the side wall of the air flow pipe opposite the baffles so that there is induced flow of air through these openings into the baffle space and up through the triangular wall of the baffle to prevent accumulation of soot.

REFERENCES:
patent: 3817695 (1974-06-01), Reed et al.

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