Coal type less oil ignition burner capable of controlling vortex width
A micro-oil ignition and burner technology, which is applied to burners, burners for burning powder fuel, combustion methods, etc., can solve the problems of lack of adjustability, long heating time, and inability to ignite normally, and achieve extended residence time, The effect of improving ignition stability
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[0016] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0017] Such as figure 1 , figure 2 As shown, the present invention includes a primary air duct with a circular cross section and an elbow at one end coincident with the axes, a pulverized coal concentrator 2, a primary pulverized coal combustion chamber 4, a secondary pulverized coal combustion chamber 6 and a tertiary coal Pulverized coal combustion chamber 7; the pulverized coal concentrator 2 of the variable-diameter pipeline forming the throat of the primary air duct 1 communicates with the secondary pulverized coal combustion chamber 6, and the pulverized coal combustion chamber 4 of the primary pulverized coal is installed on the secondary pulverized coal combustion chamber. In the combustion chamber 6, the secondary pulverized coal combustion chamber 6 stretches into the tertiary pulverized coal combustion chamber 7, and the tertiary pulverized...
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