Burner arrangement, and use of such a burner arrangement
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F23D-011/40
출원번호
US-0876310
(2010-09-07)
등록번호
US-8468833
(2013-06-25)
우선권정보
CH-00349/08 (2008-03-07)
발명자
/ 주소
Carroni, Richard
Rieker, Marcel
Eroglu, Adnan
Schaer, Heinz
출원인 / 주소
Alstom Technology Ltd
대리인 / 주소
Leydig, Voit & Mayer, Ltd.
인용정보
피인용 횟수 :
0인용 특허 :
23
초록▼
A burner arrangement includes a tubular mixing tube extending along an axis and configured to mix fuel and air, the mixing tube opening into a combustion chamber in a direction of flow; and a film air ring disposed in the mixing tube and arranged concentrically to the axis, the film air ring configu
A burner arrangement includes a tubular mixing tube extending along an axis and configured to mix fuel and air, the mixing tube opening into a combustion chamber in a direction of flow; and a film air ring disposed in the mixing tube and arranged concentrically to the axis, the film air ring configured to prevent a backfiring of the fuel disposed in the mixing tube and to generate or reinforce an air film near the wall, wherein the film air ring has at least one annular gap concentric to the axis and configured to inject air.
대표청구항▼
1. A burner arrangement comprising: a tubular mixing tube extending along an axis and configured to mix fuel and air, the mixing tube opening into a combustion chamber in a direction of flow; anda film air ring disposed in the mixing tube and arranged concentrically to the axis, the film air ring co
1. A burner arrangement comprising: a tubular mixing tube extending along an axis and configured to mix fuel and air, the mixing tube opening into a combustion chamber in a direction of flow; anda film air ring disposed in the mixing tube and arranged concentrically to the axis, the film air ring configured to prevent a backfiring of the fuel disposed in the mixing tube and to generate or reinforce an air film near the wall, wherein the film air ring includes:a plurality of annular gaps concentric to the axis, disposed in series, and configured to inject air, anda plurality of ring elements disposed in series in the axial direction, each ring element extending circumferentially around the mixing tube, wherein a plurality of support elements are distributed around a circumference of the burner arrangement and configured to hold the plurality of ring elements apart. 2. The burner arrangement as recited in claim 1, wherein the plurality of annular gaps are uniformly spaced with respect to one another in the axial direction. 3. The burner arrangement as recited in claim 1, wherein the plurality of annular gaps are at least one of nonuniformly and variably spaced in the axial direction. 4. The burner arrangement as recited in claim 1, wherein the plurality of annular gaps each have a same gap width. 5. The burner arrangement as recited in claim wherein the plurality of annular gaps each have a different gap width. 6. The burner arrangement as recited in claim 1, wherein the plurality of annular gaps are designed to slope in the direction of flow. 7. The burner arrangement as recited in claim 1, further comprising an element disposed in the at least one annular gap and configured to generate a tangential component in air flow emerging through the at least one annular gap into the mixing tube. 8. The burner arrangement as recited in claim 1, further comprising a premix burner including a swirl generator having at least two hollow conical component shells nested one inside the other in the direction of flow and complementing one another to form a body with an interior space, wherein a cross section of the interior space increases in the direction of flow, wherein the at least two conical shells each have a wall and each have a longitudinal axis of symmetry running offset with respect to one another such that the walls of each shell are adjacent to each other and form a tangential air inlet slot extending longitudinally for an inflow of the air into the interior space. 9. The burner arrangement as recited in claim 1, further comprising a premix burner including a swirl generator having at least two hollow conical component shells nested one inside the other in the direction of flow and complementing one another to form a body with an interior space, wherein a cross section of the interior space is cylindrical in the direction of flow, and wherein the at least two hollow shells each have a wall and each have a longitudinal axis of symmetry running offset with respect to one another such that the walls of each shell are adjacent to each other and form a tangential air inlet slot extending longitudinally for an inflow of the air into the interior space, wherein the interior space includes an internal body having a cross section conical with respect to the direction of flow. 10. The burner arrangement as recited in claim 1, further comprising a central fuel nozzle configured to inject the fuel into the interior space. 11. The burner arrangement as recited in claim 8, wherein the fuel is injected at least one of via the tangential slot of the swirl generator and into the mixing tube. 12. The burner arrangement as recited in claim 9, wherein the fuel is injected at least one of via the tangential slot of the swirl generator and into the mixing tube. 13. The burner arrangement as recited in claim 8, further comprising a transitional zone disposed between the swirl generator and the mixing tube and a transitional, duct for a transfer of the air flowing in the swirl generator into a flow cross section of the mixing tube downstream of the transitional duct. 14. The burner arrangement as recited in claim 9, further comprising a transitional zone disposed between the swirl generator and the mixing tube and a transitional duct for a transfer of the air flowing in the swirl generator into a flow cross section of the mixing tube downstream of the transitional duct. 15. The burner arrangement as recited in claim 1, wherein the burner arrangement is disposed in a gas turbine plant fired by the combustion chamber. 16. The burner arrangement as recited in claim 1, wherein the burner arrangement is disposed in a sequentially tired gas turbine plant. 17. The burner arrangement as recited in claim 1, wherein the burner arrangement is disposed in a combined cycle plant.
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이 특허에 인용된 특허 (23)
Dobbeling Klaus (Windisch CHX) Haumann Jurgen (Rekingen CHX) Knopfel Hans P. (Besenburen CHX) Paikert Bettina (Oberrohrdorf CHX) Ruck Thomas (Mellingen CHX) Sattelamayer Thomas (Mandach CHX) Steinbac, Burner.
Althaus Rolf (Flawil CHX) Farkas Franz (Zrich CHX) Graf Peter (Waldshut-Tiengen DEX) Husermann Fredy (Rieden bei Nussbaumen CHX) Kreis Erhard (Otelfingen CHX), Method of operating gas turbine group with reheat combustor.
Ansart Denis R. H. (Bois le Roi FRX) Commaret Patrice A. (Maincy FRX) David Etienne S. R. (Bois le Roi FRX) Desaulty Michel A. A. (Vert Saint Denis FRX) Quinquenneau Bruno M. M. (Massy FRX) Sandelis , Pre-mixing injection system for a turbojet engine.
Dobbeling Klaus (Nussbaumen CHX), Premixing chamber for operating an internal combustion engine, a combustion chamber of a gas turbine group or a firing s.
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