Ejection type ignition furnace

The invention provides an ejection type ignition furnace, and belongs to the technical field of combustion equipment. The ejection type ignition furnace comprises a combustion cavity, a flame outlet of a nozzle, an outlet of a fuel gas pipe and an outlet of a feeding pipe are located in the combustion cavity, and the side wall of the combustion cavity is provided with an air inlet; the combustioncavity is internally provided with a combustion supporting device used for enlarging the combustion area, and the combustion supporting device comprises a flame guiding part and a combustion part which communicate with each other; the flame guiding part is opposite to the flame outlet, the air inlet and the outlet of the fuel gas pipe and is used for guiding flame, air and fuel gas into the combustion part; and the combustion part is provided with an air intake hole, the air intake hole communicates with the outlet of the feeding pipe and is used for guiding waste gas and waste liquid of the feeding pipe into the comb