Coal powder turbulent burner
A swirl burner and burner technology are applied in burners, burners for burning powder fuel, combustion methods, etc., which can solve the problems of potential safety hazards, poor combustion stability, coking of boiler water walls, etc. Interference ability, improve stable combustion performance, and reduce the effect of combustion temperature
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[0027] Such as figure 1 and 2 As shown, this embodiment provides a pulverized coal swirl burner, including a pre-combustion chamber 1 and a burner 2, and the burner 2 includes a central air duct 21, a primary air duct 22 and a secondary air duct 23, and the secondary air duct The front end of 23 is a secondary air outlet 233, the end of the secondary air pipe 23 is provided with a first sealing end cover 231, the primary air pipe 22 is sleeved inside the secondary air pipe 23, and the end of the primary air pipe 22 runs through the second A sealing end cover 231; the front end of the primary air duct 22 is the primary air outlet 223, the end of the primary air duct 22 is provided with a second sealing end cover 221, the central air duct 21 is sleeved inside the primary air duct 22, and the central air duct The end of the pipe 21 runs through the second sealing end cover 221; the front end of the central air pipe 21 is the central air outlet 212, and the end of the central air...
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