FUEL NOZZLE BODY

摘要

The invention relates to a fuel nozzle body (1) comprising a rearward end (2) and a front end (3) comprising an outer tube (4) which extends from the rearward end (2) to the front end (3) and has radial openings (5) for a first fuel (6) in the region of the front end (3), and an inner tube (7) which is arranged concentrically to the outer tube (4) and which opens in the region of the front end (3) into a nozzle head (8), which has additional openings (9) for a second fuel (10), wherein, in the region of the front end (3), the inner tube (7) is guided in the outer tube (4) by two fits (11, 12) which are arranged axially between the radial openings (5) and the additional openings (9), and wherein the first fit (11) closest to the radial openings (5) is configured as a circumferential web (13) around the inner tube (7), and wherein the second fit (12) is configured with at least one interruption on the perimeter. The invention further relates to a burner (23) and to a gas turbine (24).