Abstract:Methods to solve the problem for horizontal shading burner thick side improper reverse angle design to hot stage tangential diameter, boiler coking and unstable combustion problem, the mathematical way of combining theoretical calculation and field test are studied, the basic methods of master level shade burner thick side angle of boiler hot state principle and regularity of the influence of tangential diameter, namely using a strong side wind methods of technology, hot tangential diameter will be smaller than the diameter of a theoretical calculation, and the strong side methods of angle, the greater the thermal state tangential diameter will be more than the theoretical calculation of diameter decreases. This study not only for low nitrogen combustion system but also improve the boiler combustion adjustment and accumulated experience, and successfully for boiler is optimized.

Keywords:low nitration, tangent circle diameter, reverse tangent angle, combustion