Novel spray combustion system of pulverized coal spray combustion hot-blast stove

The utility model relates to a novel spray combustion system of a pulverized coal spray combustion hot blast stove, which comprises a hot blast stove body and a spray combustion system arranged on thehot blast stove body, and the spray combustion system comprises a fuel supply system, an igniter and a fuel supply system; the fuel supply system comprises a stock bin, a coal grinding powder sprayer, a powder spraying pipe and a burner. Wherein the stock bin is arranged on the outer side of the hot blast stove body, a feeding port of the coal-grinding powder sprayer is flexibly connected with adischarging port of the stock bin, the burner is fixedly installed at a burner port of the hot blast stove body, the burner port is communicated with a hearth in the hot blast stove body, one end of the powder spraying pipe is connected with the burner, and the other end of the powder spraying pipe is connected with the discharging port of the coal-grinding powder sprayer. According to the fuel supply system, the coal grin