Nova Patents
RU2012127366A

Burner assembly

Abstract

1. The arrangement of the burner with the injector ring (27), an amount of fuel injectors (29) mounted in the flow direction of the injector ring (27), the injector ring (27) in the flow direction has an annular surface (54), the injector ring ( 27) is facing towards the middle of the ring outer inner side (56) and an opposite outer outer side (58), characterized in that the surface (45) between the fuel injectors (29) has at least one recess (60) and wherein up to the inner side (56) and wherein at least one groove on the surface (54) is located (66) and at least one recess (60) extends on the surface (54) of the outside (58) at least one recess (66) also partially covers an outer side (58), the injector ring (27). 2. The arrangement of the burner according to claim 1, characterized in that there are several fuel injectors (29) being defined between each adjacent fuel injector (29) has a groove (60). 3. The arrangement of the burner according to claim 1, characterized in that at least one recess (60) has a substantially, Y-shaped. 4. The arrangement of the burner according to claim 3, characterized in that at least one Y-shaped slot comprises two arms 62 and one leg 63 and two arms (62) substantially, Y-shaped slot (60) directed the outer side (58), the injector ring (27). 5. The arrangement of the burner according to claim 4, characterized in that at least one Y-shaped slot comprises two arms 62 and one leg 63 and two arms (62) substantially, Y-shaped slot (60) directed the inner side (56), the injector ring (27). 6. The arrangement of the burner according to any one of the preceding claims, characterized in that at least one recess (66) is substantially circular. 7. The arrangement of the burner according to claim 1, characterized in that at least one recess (66) has a radius decreasing, seen in the flow direction. 8. The arrangement of the burner of claim 1, wherein the injector ring (27) made of a material containing at least nickel alloy. 9. The arrangement of the burner of claim 8, wherein the injector ring (27) made of a material containing at least a molybdenum-nickel alloys. 10. The arrangement according to any one of the burner p.p.1-5 7-9, wherein the injector ring (27) comprises inside, preferably at least two fuel channels (41, 42) for the two combustion stages - A and B. 11. The arrangement of the burner according to claim 10, characterized in that the two fuel channels (41, 42) comprises two supply connections (51, 52). 12. Gas turbine burner arrangement according to any of the preceding claims.

Term

Projected expiry 8 November 2030.

  1. Priority
  2. Filed
  3. Published
  4. Today
  5. Projected expiry

13 claims: 5 independent, 8 dependent

  1. 1
    The arrangement has a fuel distributor ring (27), and fuel nozzles mounted in a flow direction at the fuel distributor ring. The fuel distributor ring comprises an annular surface (54) in the flow direction. The ring has an exterior inner side (56) and exterior outer side (58), where the inner side is pointed towards middle of the distributor ring, and the outer ring lies opposite to the inner ring. A slot (60) is provided on a surface between the fuel nozzles. The ring is heated at the outer side by cold fuel with 20 degree Celsius and comprises nickel alloy or nickel molybdenum alloy.
  2. 2
    1. The arrangement of the burner with the injector ring (27), an amount of fuel injectors (29) mounted in the flow direction of the injector ring (27), the injector ring (27) in the flow direction has an annular surface (54), the injector ring ( 27) is facing towards the middle of the ring outer inner side (56) and an opposite outer outer side (58), characterized in that the surface (45) between the fuel injectors (29) has at least one recess (60) and wherein up to the inner side (56) and wherein at least one groove on the surface (54) is located (66) and at least one recess (60) extends on the surface (54) of the outside (58) at least one recess (66) also partially covers an outer side (58), the injector ring (27).
  3. 7
    6. The arrangement of the burner according to any one of the preceding claims, characterized in that at least one recess (66) is substantially circular.
  4. 11
    10. The arrangement according to any one of the burner p.p.1-5 7-9, wherein the injector ring (27) comprises inside, preferably at least two fuel channels (41, 42) for the two combustion stages - A and B.
  5. 13
    12. Gas turbine burner arrangement according to any of the preceding claims.
Independent claims5