Gas burner for a tunnel oven used in the ceramic industry comprises a lance-like fuel tube for feeding fuel arranged in the center of an outer burner tube for the combustion air

摘要

Gas burner (11) for a tunnel oven used in the ceramic industry comprises a lance-like fuel tube (12) for feeding fuel arranged in the center of an outer burner tube (14) for the combustion air. The outer burner tube is closed at its free end and has one or more preferably radial outlet openings (21) incorporated in the wall in the end region of the fuel tube for lateral exit of the burner flame. Preferred Features: The fuel tube is arranged so that it moves in an axial direction and can be locked in its axial position in the outer burner tube.