Composite type multifunctional straight-flow combustor
A multi-functional, burner technology, applied in the direction of burners, burners burning powder fuel, combustion methods, etc., can solve the problems of affecting combustion stability, large rotational momentum of secondary air, and reducing combustion efficiency, etc., to achieve low flying The effects of ash slag combustible content, low nitrogen oxide emissions, and wide application range of coal quality
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[0009] The composite multi-functional direct-flow burner has performance regulating air III nozzle 5, secondary air nozzle 4, primary air nozzle 1 with coal powder level concentration on the upper and lower sides and back fire side tapered, performance regulating air II nozzle 3, upper and lower sides and back fire side The primary air nozzle 1 and the secondary air nozzle 4 of the pulverized coal level density that gradually shrinks on the back fire side, and the primary air nozzle 1 of the pulverized coal level density that gradually shrinks on the upper and lower sides and the back fire side are provided with performance adjustment air I nozzle 2 on the back fire side, The primary air nozzle 1 axis deviates from the secondary air nozzle 4 axis, the performance adjustment air II nozzle 3 adopts a folding nozzle, and a part of the flow channel is bent to the side of the water cooling wall.
[0010] The taper angle of the primary air nozzle 1 is 2-15 degrees, the angle between ...
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