Positive pressure furnace baking system of gasification furnace

The invention discloses a positive pressure furnace baking system of a gasification furnace, comprising: a gasification furnace in which a temperature detector is arranged; the preheating burner is inserted into the gasification furnace and partially extends out of the gasification furnace, a fuel gas inlet and an air inlet are formed in the extending part of the preheating burner, an igniter is arranged in the preheating burner, and the head of the preheating burner is in a long and narrow shape; the factory air supply device comprises a factory air source and an air pipeline, the air pipeline is connected with the factory air source and the air inlet, and a first control valve group is arranged on the air pipeline; the fuel gas supply device comprises a fuel gas source and a fuel gas pipeline, the fuel gas pipeline is connected with the fuel gas source and the fuel gas inlet, and a second control valve group is arranged on the fuel gas pipeline; and the control system is in signal connection with the first