Belly pipe for blast furnace

The utility model discloses a belly pipe for a blast furnace. The belly pipe comprises a belly pipe gun package, a first ball check valve, a connecting pipe, a second ball check valve, and a coal gun fixing and clamping seat, which are fixedly connected in sequence, wherein an air purging pipe is arranged on the connecting pipe and provided with a purging valve and a safety relief valve. Through the belly pipe for the blast furnace, a coal gun can be directly replaced in normal production, which plays a positive role in the uniform injection of the blast furnace and the stabilization of the furnace condition.