Low-oxynitride and low-load stable combustion device of turbulent combustor
A low nitrogen oxide, swirl burner technology, applied in burners, burners for burning powder fuel, combustion methods, etc., can solve problems that affect the ignition and stable combustion of pulverized coal, incomplete combustion of pulverized coal particles, and the probability of impact. increase and other problems, to achieve the effect of easy processing and installation, good adaptability to coal types, and improving the life of the device
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[0030] The present invention provides a low-NOx and low-load combustion stabilization device for a swirl burner. The present invention will be further described below with reference to the drawings and specific embodiments.
[0031] Such as figure 1 As shown, the combustion stabilization device is installed horizontally in the primary air duct and consists of two parts. The first part is an impact part with a cone structure, and the second part is a vortex elimination part, which is composed of an arc generatrix revolving body and a sphere. A streamlined structure composed of intersecting components; the striker and the vortex eliminator share the bottom surface; the cone radius R is (0.3~0.6) Rc, the cone angle α is 10°~30°, and the front end chamfering arc radius R 0 Is (0.01~0.04)Rc; the arc radius of the slewing body of circular arc bus is (1.3~1.8)Rc, the radius of the sphere is r 0 Is (0.25~0.35) Rc, the central angle β is 60°~85°; the distance between the end of the stabiliz...
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