Efficient low-nitrogen combustor

The utility model discloses an efficient low-nitrogen burner, which relates to the technical field of low-nitrogen burners, and comprises a base, a lifting mechanism is arranged above the base, a low-nitrogen burner body is arranged in the lifting mechanism, a filtering mechanism is arranged on one side of the low-nitrogen burner body, and the filtering mechanism is arranged on the other side of the low-nitrogen burner body. The lifting mechanism comprises a fixing block, a first threaded rod and an inner threaded sleeve, the fixing block is arranged above the base, the threaded rod is arranged below the low-nitrogen burner body, the inner threaded sleeve is movably installed on the inner wall of the base, and the outer wall of the first threaded rod is movably connected with the inner wall of the inner threaded sleeve. According to the low-nitrogen burner, dust in air is filtered through the filter screen on the filter hopper, so that the dust is not prone to entering the low-nitrogen burner body, when the f