Burner for burning combustible waste gas of kiln

The utility model relates to a burner for burning combustible waste gas of a kiln. The burner is characterized by comprising a burner main body, the burner body is sequentially provided with a gas pipe, a primary combustion pipe and a secondary combustion pipe from inside to outside. A fuel gas inlet, a combustion-supporting air inlet and a combustible waste gas inlet are further formed in the outer side of the burner body; the gas pipe is communicated with the gas inlet; a combustion-supporting air channel is formed between the gas pipe and the primary combustion pipe and is communicated with the combustion-supporting air inlet; a combustible waste gas channel is formed between the primary combustion pipe and the secondary combustion pipe and is communicated with the combustible waste gas inlet; ignition electrodes are arranged on the two sides of the tail end of the gas pipe; and a through hole is formed in the tail end of the primary combustion tube. According to the utility model, combustible waste gas ca