[특허]Fluid mixing injector and method

[미국특허] Fluid mixing injector and method 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B05B-007/10 B05B-007/06 B05B-001/00
출원번호	US-0242780 (2002-09-12)
발명자 / 주소	Sprouse, Kenneth M. Matthews, David R. Jensen, Robert J.
출원인 / 주소	The Boeing Company
대리인 / 주소	Alston & Bird LLP
인용정보	피인용 횟수 : 5 인용 특허 : 68

초록 ▼

An injection system, injector, and associated method are provided for injecting and combusting combustion fluids in a combustion chamber. The system includes a faceplate that faces the combustion chamber and a plurality of injectors that extend through the faceplate. Each of the injectors has an injector body with an outlet side. A fuel bore extends from a fuel bore inlet to a fuel bore outlet located at the outlet side of the injector. Each injector also includes a swirler chamber with at least one inlet for receiving steam and an oxidizing fluid and an oxidizing fluid outlet located on the injector outlet side. A converging channel extends from the oxidizing fluid outlet to the swirler chamber, and the converging channel converges relative to the fuel bore so that steam and oxidizing fluid exiting the injector through the oxidizing fluid outlet impinge on a stream of fuel in the combustion chamber flowing from the fuel bore.

대표청구항 ▼

1. An injection system for injecting combustion fluids into a combustion chamber, comprising:a first faceplate having an inlet side and an outlet side, the outlet side facing the combustion chamber; anda plurality of injectors extending through the first faceplate, each of the injectors having an injector body defining an injector outlet side, a fuel bore extending from a fuel bore inlet to a fuel bore outlet located at the injector outlet side, a swirler chamber having at least one inlet for receiving steam and oxygen, an oxidizing fluid outlet located on the injector outlet side, and a converging channel extending from the oxidizing fluid outlet to the swirler chamber;wherein the converging channel of each injector is configured relative to the fuel bore of the respective injector such tat an oxidizing fluid exiting the injectors through the oxidizing fluid outlets impinges on a stream of fuel in the combustion chamber following exit of the stream of fuel from the fuel bore of the respective injector. 2. An injection system according to claim 1 further comprising a source of carbonaceous fuel fluidly connected to each of the fuel bore inlets of the injectors. 3. An injection system according to claim 1 wherein a center of each of the injectors is located at least 1 inch from the centers of the other injectors. 4. An injection system according to claim 1 wherein each inlet of the swirler chambers of the injectors is fluidly connected to a source of the oxidizing fluid comprising steam and oxygen substantially free of nitrogen and sulfur. 5. An injection system according to claim 4 wherein the oxidizing fluid comprises at least 50% steam as measured on a weight basis. 6. An injection system according to claim 1 wherein each of the swirler chambers defines a slot that extends circumferentially around the fuel bore of the respective injector. 7. An injection system according to claim 1 wherein the converging channel of the injector converges at an angle of between about 10° and 45° relative to the fuel bore of the respective injector such that the oxidizing fluid exiting each injector impinges on the stream of fuel in the combustion chamber. 8. An injection system according to claim 1 wherein the converging channel of each injector converges toward the respective fuel bore such that the oxidizing fluid exiting the injector impinges on the stream of fuel in the combustion chamber in a region located within about 2 inches of the first faceplate. 9. An injection system according to claim 1 further comprising a plurality of water injectors configured to inject water into the combustion chamber from the first faceplate. 10. An injection system according to claim 9 wherein the water injectors are configured such that the combustion fuel travels a distance of at least about 10 inches from the first faceplate before mixing with the water. 11. An injection system according to claim 9 wherein the water injectors are fluidly connected to at least one coolant chamber defined by the first faceplate. 12. An injection system according to claim 1 further comprising a second faceplate facing the inlet side of the first faceplate, wherein at least one coolant chamber is defined between the first faceplate and the second faceplate, the coolant chamber being configured to receive and circulate a coolant fluid for cooling the faceplate. 13. An injection system according to claim 12 further comprising an interpropellant plate facing the second faceplate, wherein the interpropellant plate and the second faceplate define at least one oxidizing fluid chamber fluidly connected to the at least one inlet of the swirler chambers of the injectors. 14. An injection system according to claim 1 further comprising at least one water injector configured to inject water into the combustion chamber at a location downstream of the faceplate. 15. An injection system according to claim 1 wherein the combustion chamber defines a passage from the outlet side of the first faceplate to a turbine, the passage being uninterrupted by splash plates. 16. An injection system according to claim 1 wherein each of the at least one inlets of the swirler chambers extends in a radial direction from the swirler chambers to the outside of the respective injector body such that fluid flowing into each of the swirler chambers through the swirler chamber inlets swirls in a circumferential direction around the respective fuel bore. 17. An injection system according to claim 1 further comprising at least one vane disposed in each of the swirler chambers of the injectors, each vane configured to induce a swirling motion to fluid flowing through the respective swirler chamber. 18. An injection system according to claim 1 wherein the diameter of each of the fuel bores converges in a direction from the respective fuel bore inlet to the respective fuel bore outlet. 19. An injector for injecting fluids into a combustion chamber, comprising:an injector body having an inlet side and outlet side;a fuel bore defined by the injector body and extending from a fuel bore inlet to a fuel bore outlet located on the outlet side of the injector body.a swirler chamber defined by the injector body, the swirler chamber having at least one inlet for receiving steam and oxygen; anda converging channel extending from an oxidizing fluid outlet located at the outlet side of the injector body to the swirler chamber, wherein the converging channel is configured relative to the fuel bore such that an oxidizing fluid exiting the injector through the oxidizing fluid outlet impinges on a stream of fuel in the combustion chamber following exit of the stream of fuel from the fuel bore through the fuel outlet. 20. An injector according to claim 19 wherein the swirler chamber extends circumferentially about the fuel bore such that the steam and oxygen can flow circumferentially in the swirler chamber. 21. An injector according to claim 19 wherein the converging channel converges at an angle of between about 10° and 45° relative to the fuel bore such that the oxidizing fluid exiting the injector impinges on the stream of fuel in the combustion chamber. 22. An injector according to claim 19 wherein the converging channel of the injector is configured at a converging angle relative to the fuel bore such that the oxidizing fluid impinges on the stream of fuel in the combustion chamber in a region located within about 2 inches of the fuel bore outlet. 23. An injector according to claim 19 wherein each of the at least one inlets of the swirler chamber extends in a radial direction from the swirler chamber to the outside of the injector body such that fluid flowing into the swirler chamber through the swirler chamber inlets swirls in a circumferential direction around the fuel bore. 24. An injector according to claim 19 further comprising at least one vane disposed in the swirler chamber, each vane extending in a circumferential direction around the fuel bore and configured to induce a swirling motion to fluid flowing through the swirler chamber. 25. An injector according to claim 19 wherein the fuel bore converges in a direction from the fuel bore inlet to the fuel bore outlet. 26. An injector for injecting fluids into a combustion chamber, comprising:an injector body having an inlet side and outlet side;a fuel bore defined by the injector body and extending from a fuel bore inlet to a fuel bore outlet located on the outlet side of the injector body and directed toward the combustion chamber;a swirler chamber defined by the injector body, the swirler chamber having at least one inlet for receiving steam and oxygen, the swirler chamber extending to an oxidizing fluid outlet located at the outlet side of the injector body, and the swirler chamber extending circumferentially about the fuel bore such that the steam and oxygen can flow circumferentially in the swirler chamber; andat least one vane disposed in the swirler chamber, each va ne extending in a circumferential direction around the fuel bore and configured to induce a swirling motion to fluid flowing through the swirler chamber;wherein the oxidizing fluid outlet is configured relative to the fuel bore outlet such that the steam and oxygen exiting the oxidizing fluid outlet impinges on a stream of fuel in the combustion chamber following exit of the stream of fuel from the fuel bore outlet. 27. An injector according to claim 26 wherein each of the at least one inlet of the swirler chamber extends in a radial direction from the swirler chamber to the outside of the injector body such that fluid flowing into the swirler chamber through the swirler chamber inlets swirls in a circumferential direction around the fuel bore. 28. An injector according to claim 26 wherein the fuel bore converges in a direction from the fuel bore inlet to the fuel bore outlet. 29. A method of injecting and combusting combustion fluids in a combustion chamber, comprising:injecting a combustion fuel into the combustion chamber;mixing steam with oxygen substantially free of nitrogen and sulfur to form an oxidizing fluid;injecting the oxidizing fluid into the combustion chamber, such that the oxidizing fluid impinges on the combustion fuel in the combustion chamber; andcombusting the combustion fuel with the oxidizing fluid. 30. A method according to claim 29 wherein injecting a combustion fuel comprises injecting a carbonaceous gas. 31. A method according to claim 29 wherein injecting a combustion fuel comprises injecting the combustion fuel through a plurality of injectors, injecting an oxidizing fluid comprises injecting the oxidizing fluid through the plurality of injectors, and a center of each of the injectors is located at least 1 inch from the centers of the other injectors. 32. A method according to claim 29 further comprising mixing the steam and oxygen by swirling the steam and oxygen in a circumferential direction within an injector. 33. A method according to claim 29 wherein injecting an oxidizing fluid comprises injecting an oxidizing fluid comprising at least 50% steam as measured on a weight basis. 34. A method according to claim 29 wherein injecting the combustion fuel comprises injecting the combustion fuel through a fuel bore outlet and wherein injecting the oxidizing fluid comprises injecting the oxidizing fluid at an angle of between about 10° and 45° relative to the fuel bore such that the oxidizing fluid impinges on the combustion fuel in the combustion chamber. 35. A method according to claim 29 wherein injecting the combustion fuel comprises injecting the combustion fuel through a fuel bore outlet and wherein injecting the oxidizing fluid comprises injecting the oxidizing fluid such that the oxidizing fluid impinges on the combustion fuel in the combustion chamber in a region located within about 2 inches of the fuel bore outlet. 36. A method according to claim 29 wherein injecting a combustion fuel comprises injecting the combustion fuel through a faceplate and further comprising injecting a coolant into the combustion chamber through the faceplate. 37. A method according to claim 36 wherein injecting coolant comprises injecting the coolant in a direction such that the combustion fuel travels a distance of at least about 10inches into the combustion chamber before mixing with the coolant. 38. A method according to claim 29 further comprising circulating a coolant through a faceplate cooling chamber defined by the faceplate. 39. A method according to claim 29 wherein injecting an oxidizing fluid comprises injecting steam into the combustion chamber to limit the flame temperature to below about 4000° F.

이 특허에 인용된 특허 (68) 인용/피인용 타임라인 분석

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[미국특허] Fluid mixing injector and method 원문보기

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[미국특허] Fluid mixing injector and method 원문보기

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