Combustion – Flame holder having protective flame enclosing or flame...
Patent
1989-04-17
1990-04-24
Yuen, Henry C.
Combustion
Flame holder having protective flame enclosing or flame...
431351, 110263, 110264, F23D 1446, F23D 102
Patent
active
049196111
ABSTRACT:
In this combustion process a fluid fuel such as pulverized coal mixed with primary air is injected along an axis and secondary air is injected along a helical path around the axis. Tertiary air is injected around the combustible fluid and the secondary air in substantially the same direction as the combustible fluid, in a substantially circumferentially continuous coaxial ring which is laterally confined downstream of the injection point.
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Charbonnages de France
Yuen Henry C.
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