An AC plasma-oxygen-enriched ignition burner
A kind of ignition burner and burner technology, applied in the direction of burner, gas fuel burner, combustion type, etc., can solve the problem of poor adaptability of coal types, etc., and achieve the effect of prolonging the residence time
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Embodiment 1
[0027] Such as Figure 1-5 As shown, an AC plasma-oxygen-enriched ignition burner in this embodiment includes a burner body 1, a nozzle 2 is provided at the left end of the burner body 1, and a nozzle 2 passes through the right end of the burner body 1. The flange is fixedly connected with a pulverized coal elbow 3, and a center cylinder 6 is provided inside the burner body 1 at the central axis of the burner body 1, and a center cylinder 6 is provided on the inner wall of the right end and the left end of the burner body 1 respectively. Level concentration ring 4 and secondary concentration ring 5, and make secondary concentration ring 5 be positioned at the exit of central tube 6, be provided with three alternating current plasma generators 7 on the outer wall of central tube 6, described alternating current plasma generator 7 on both sides The included angle of the axis of the generator 7 is 50°, so that the plasma arcs of the three AC plasma generators 7 converge at the ce...
Embodiment 2
[0030] Such as Figure 1-4 As shown, an AC plasma-oxygen-enriched ignition burner in this embodiment includes a burner body 1, a nozzle 2 is provided at the left end of the burner body 1, and a nozzle 2 passes through the right end of the burner body 1. The flange is fixedly connected with a pulverized coal elbow 3, and a center cylinder 6 is provided inside the burner body 1 at the central axis of the burner body 1, and a center cylinder 6 is provided on the inner wall of the right end and the left end of the burner body 1 respectively. Level concentration ring 4 and secondary concentration ring 5, and make secondary concentration ring 5 be positioned at the exit of central tube 6, be provided with three alternating current plasma generators 7 on the outer wall of central tube 6, described alternating current plasma generator 7 on both sides The included angle of the axis of the generator 7 is 80°, so that the plasma arcs of the three AC plasma generators 7 converge at the ce...
Embodiment 3
[0033] Such as Figure 1-4 As shown, an AC plasma-oxygen-enriched ignition burner in this embodiment includes a burner body 1, a nozzle 2 is provided at the left end of the burner body 1, and a nozzle 2 passes through the right end of the burner body 1. The flange is fixedly connected with a pulverized coal elbow 3, and a center cylinder 6 is provided inside the burner body 1 at the central axis of the burner body 1, and a center cylinder 6 is provided on the inner wall of the right end and the left end of the burner body 1 respectively. Level concentration ring 4 and secondary concentration ring 5, and make secondary concentration ring 5 be positioned at the exit of central tube 6, be provided with three alternating current plasma generators 7 on the outer wall of central tube 6, described alternating current plasma generator 7 on both sides The included angle of the axis of the generator 7 is 60°, so that the plasma arcs of the three AC plasma generators 7 converge at the ce...
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