Oxygen-enriched burner and air distribution method thereof
An oxygen-enriched combustion and air distribution technology, applied in the energy field, can solve problems such as insufficient combustion, slagging of water walls, high temperature corrosion, etc., and achieve the effects of improving flow field and flame shape, reducing ignition delay, and changing combustion atmosphere.
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[0035] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.
[0036] The following terms are involved in the present invention:
[0037] Oxygen coefficient: refers to the ratio of the amount of oxygen supplied per unit of pulverized coal to the amount of oxygen required for complete combustion of each unit of pulverized coal;
[0038] Oxygen: refers to relatively high-purity oxygen with a purity of 95% (volume fraction) and above;
[0039] Recirculated flue gas: refers to the flue gas that circulates into the boiler from the dust collector or flue gas condenser;
[0040] Flue gas circulation ratio: refers to the ratio of the total volume flow of circulating flue gas to the total volume flow of wet flue gas at the furnace...
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