Coal dust flow guiding combustion-supporting apparatus
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The utility model discloses a coal dust diversion combustion-supporting device, which comprises a central cylinder of a burner and an ignition gun in the burner and is characterized in that: the utility model is also provided with a diversion block which can improve the flame filling degree in the central cylinder of the ignition flame; the diversion block is installed in the central cylinder and is arranged in front of the ignition gun. The shape of the diversion block is the combination oval ball and concave sphere. Because the diversion block of diversion and combustion-supporting is only adopted in the central cylinder of the burner, when the air and coal mixture flowing in the central cylinder, the diversion block take the protection effect to the flame of the ignition gun for preventing being blown to sides or blown off, and improves the filling degree of the flame. Besides, the diversion block can make the air and coal mixture produce flowing around; a backflow area is formed behind the diversion block, thus greatly increasing the ignition chance rate of coal dust. The utility model is suitable for the burner which burns different kinds of coal dust.