Low-nitrogen combustion device for ceramic material spray granulation tower

The utility model discloses a low-nitrogen combustion device for a ceramic material spray granulation tower. The low-nitrogen combustion device comprises a shell, an inner container, a hot air conveying pipe and a plurality of combustors, the shell is provided with a plurality of air inlet pipes, and the output ends of the air inlet pipes are communicated with the outer wall of the shell; the inner container is vertically arranged in the shell, and the inner wall of the shell surrounds and covers the peripheral face of the inner container. The multiple combustors are mounted at the bottom of the inner container at intervals; a combustion cavity is formed in the inner container, and the flame output end of the combustor faces the combustion cavity upwards. The input end of the hot air conveying pipe is communicated with the top of the shell, and the output end of the hot air conveying pipe is connected with the spray granulation tower to output hot air; a heat exchange cavity is formed in the shell, the output