F - Mech Eng,Light,Heat,Weapons – 23 – G
Patent
F - Mech Eng,Light,Heat,Weapons
23
G
158/8
F23G 7/08 (2006.01)
Patent
CA 1161355
LARGE CAPACITY AIR-POWERED SMOKELESS FLARE ABSTRACT OF THE DISCLOSURE A large capacity air-powered flare for smokeless combustion of very large volumes of vented waste gases, comprises a first inner vertical conduit of diameter D1, for the flow of waste gas, and a second larger coaxial conduit of diameter D2, for the flow of primary com- bustion air, at a selected velocity in the annular space therebetween. Above the top the inner conduit there is a cylindrical obstruction of diameter D3 which is greater than D1, but less than D2. This forces the upwardly flowing gases to be deflected outwardly and upwardly into the second annular space between the obstruction and the outer conduit. The velocity of primary combustion air in the second annular space is at least 50 f.p.s., which serves to thoroughly mix with the inflowing gases so that as they rise through the second annular space they continue flowing above the top of the flare as an annular wall of high velocity gas, air and flame. This high velocity annular flow has large surface area on the outside and inside. Because of the high velocity of flow, secondary air is induced into the outside wall of this column, and also axially downwardly into the interior of this flow, where it moves radially outwardly to intersect the flowing gas and provide additional combustion air.
360813
Keller Michael R.
Noble Roger K.
Schwartz Robert E.
Smart & Biggar
Zink (john) Company
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