Primary air opposite-flushing device for preventing boiler rear wall water cooling wall from slagging and corroding
A boiler back wall and water-cooled wall technology, which is applied in the direction of burners burning powder fuel, non-combustible liquid/gas transportation, burners, etc., can solve problems such as high-temperature corrosion of the water-cooled wall of the boiler back wall, reduce NOx, prevent Burning loss, the effect of solving slagging
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[0026]Bonded belowFigure 1 to 4Further detailed description of the invention.
[0027]One wind pang device for preventing the wall of the wall of the boiler, including a stratified flake spout 3 on the rear wall 4 of the boiler, 3, and the stratified wall 2 and the layered wall 2 The swirl combustor 1 is arranged one by one. The swirl burner 1 includes a duct air tube 5, a central air cylinder 6, an inner secondary wind device 7, and an outer secondary wind device 7 comprises an inner secondary alarm and an inner secondary wind cycle. The outer secondary wind device 8 includes an outer secondary airway and an outer secondary wind conditioner, and the center wind tube 6 is associated with a ductile air duct, and the secondary airway is constructed. From the inside outward, the center wind tube 6, the primary duct 5, the inner secondary airway and the outer secondary airway; the wind source of the secondary air device 7 and the outer secondary wind device 8 is taken from the burner fan 9...
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