[특허]Arrangement for preparation of a fuel for combustion

Siemens Aktiengesellschaft

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특허 상세정보

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내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Arrangement for preparation of a fuel for combustion

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F23D-011/44 F23L-015/00
미국특허분류(USC)	431/246; 431/011; 431/241; 431/242
출원번호	US-0992336 (2006-08-16)
등록번호	US-8142186 (2012-03-27)
우선권정보	GB-0519520.1 (2005-09-24)
국제출원번호	PCT/EP2006/065353 (2006-08-16)
§371/§102 date	20080320 (20080320)
국제공개번호	WO2007/033876 (2007-03-29)
발명자 / 주소	Nilsson, Ulf Senior, Peter
출원인 / 주소	Siemens Aktiengesellschaft
인용정보	피인용 횟수 : 1 인용 특허 : 9

초록
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The invention relates to an arrangement for preparation of a fuel for combustion including a burner, a combustion chamber associated with the burner and in which combustion of a fuel is to take place in use of the arrangement as well as means for supplying liquid fuel to the arrangement through an internal passage in the burner for said combustion, solid portions of the burner body being heated by said combustion in use of the arrangement, wherein said internal passage is located inside said solid portions of the burner body for receiving heat energy eva...

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1. A premix burner arrangement, comprising: a liquid fuel supply device that supplies a liquid fuel to the arrangement;a combustion chamber;a burner associated with the combustion chamber that combusts a fuel wherein the burner has: a solid portion that receives heat from the burner operation,an internal passage arranged within the solid portion that connects to the liquid fuel supply device to convey the liquid fuel within the burner where the received heat of the solid portion is conveyed to the liquid fuel to create a vaporized fuel, wherein the internal passage has a portion that follows a path that spirals inwardly with respect to a longitudinal axis of the burner and that swirl is provided to the evaporated fuel and air by a swirler arranged upstream the combustion chamber, anda vaporized fuel conveying device that conveys the vaporized fuel for combustion within the chamber,wherein the internal passage has turbulators that enhance heat transfer to speed up the evaporation of the liquid fuelwherein the internal passage is arranged within a member of the burner body that forms a base of a burner space of the combustion chamber by an end face of the burner body, where a flame of the burner is operatively located and which extends from a base of the burner space towards the combustion chamber,wherein the arrangement further comprisesa temperature sensor that measures the temperature of the solid burner body at least one location,a valve device in communication with the internal passage, anda control unit that, upon start up of the arrangement, keeps the valve device closed for injecting substantially all the fuel passing through the internal passage into the space through an injector device, and, when receiving information from the sensor that the temperature has exceeded a predetermined temperature level, opens the valve device to convey at least a portion of the fuel evaporated in the internal passage through a plurality of circumferentially distributed openings into the burner space,a plurality of main gas injecting members arranged adjacent to the burner space, and wherein the conveying device conveys at least a portion of the fuel evaporated in the internal passage to the space through the main gas injecting members, andwherein the valve device is adapted to open and close the fuel flow path to the main gas injecting members, the arrangement comprising a further valve device in communication with the internal passage, and where the control controls the further valve device to start to open at a certain load on the arrangement and to assume an opening degree varying with the load so as to convey at least a portion of the fuel evaporated in the internal passage to the main gas injecting members. 2. A premix burner arrangement, comprising: a liquid fuel supply device that supplies a liquid fuel to the arrangement;a combustion chamber;a burner associated with the combustion chamber that combusts a fuel wherein the burner has: a solid portion that receives heat from the burner operation,an internal passage arranged within the solid portion that connects to the liquid fuel supply device to convey the liquid fuel within the burner where the received heat of the solid portion is conveyed to the liquid fuel to create a vaporized fuel, wherein the internal passage has a portion that follows a path that spirals inwardly with respect to a longitudinal axis of the burner and that swirl is provided to the evaporated fuel and air by a swirler arranged upstream the combustion chamber, anda vaporized fuel conveying device that conveys the vaporized fuel for combustion within the chamber,wherein the internal passage is arranged within a member of the burner body that forms a base of a burner space of the combustion chamber by an end face of the burner body, where a flame of the burner is operatively located and which extends from a base of the burner space towards the combustion chamber,wherein the arrangement further comprisesa temperature sensor that measures the temperature of the solid burner body at least one location,a valve device in communication with the internal passage, anda control unit that, upon start up of the arrangement, keeps the valve device closed for injecting substantially all the fuel passing through the internal passage into the space through an injector device, and, when receiving information from the sensor that the temperature has exceeded a predetermined temperature level, opens the valve device to convey at least a portion of the fuel evaporated in the internal passage through a plurality of circumferentially distributed openings into the burner space,a plurality of main gas injecting members arranged adjacent to the burner space, and wherein the conveying device conveys at least a portion of the fuel evaporated in the internal passage to the space through the main gas injecting members, andwherein the valve device is adapted to open and close the fuel flow path to the main gas injecting members, the arrangement comprising a further valve device in communication with the internal passage, and where the control controls the further valve device to start to open at a certain load on the arrangement and to assume an opening degree varying with the load so as to convey at least a portion of the fuel evaporated in the internal passage to the main gas injecting members. 3. The arrangement according to claim 2, wherein the burner body is constructed and arranged to be split into a plurality of parts at a location to facilitate inspection and/or cleaning of surfaces of the internal passage. 4. The arrangement according to claim 3, wherein at least one of the plurality of parts is removable from the remaining parts of the burner body for exposing the internal passage to facilitate inspection and/or cleaning of the internal passage, and the supply device is connected to a part of the burner body other than the at least one removable part. 5. The arrangement according to claim 4, wherein an insert member that at least partially forms the internal passage and the insert member is removably inserted in the solid portion of the burner body. 6. The arrangement according to claim 5, wherein the supply device is connected to the internal passage by the solid portion of the burner body which allows removal of the insert member from the burner body without disturbing the connection of the supply device to the burner body. 7. The arrangement according to claim 2, wherein the conveying device comprises an opening of the internal passage in the end face for injecting at least a portion of the evaporated fuel into the space by the injector device. 8. The arrangement according to claim 7, wherein the conveying device is adapted to convey at least a portion of the evaporated fuel in the internal passage to the space through openings into the space at a plurality of circumferentially distributed openings around the burner space. 9. The arrangement according to claim 8, wherein the circumferentially distributed openings are arranged in the end face. 10. The arrangement according to claim 9, wherein the conveying device conveys at least a portion of the evaporated fuel in the internal passage as the main fuel supply for the combustion to the burner space using the plurality of distributed openings. 11. The arrangement according to claim 10, wherein the conveying device conveys at least a portion of the evaporated fuel in the internal passage as the only fuel for the main fuel supply. 12. The arrangement according to claim 2, wherein the main gas injecting members are arranged circumferentially distributed around the burner space or axially distributed along the burner space. 13. The arrangement according to claim 12, wherein the conveying device conveys at least a portion of the evaporated fuel in the internal passage as the only gas fuel to enter the space through the main gas injecting members. 14. The arrangement according to claim 2, wherein the control unit is configured to open the valve device when the temperature sensor senses a temperature above 100° C. 15. The arrangement as claimed in claim 2wherein a fuel mixing device for mixing fuel and an oxidant is disposed in the burner or combustion chamber. 16. The arrangement as claimed in claim 2wherein at least a portion of the internal passage is provided with a surface to prevent adhesion of fuel components thereto.

이 특허에 인용된 특허 (9)

이 특허를 인용한 특허 피인용횟수: 1

Krieger, Tobias; Pfeiffer, Elmar. Fuel nozzle having swirl duct and method for producing a fuel nozzle. USP2014018636504.

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Arrangement for preparation of a fuel for combustion

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Arrangement for preparation of a fuel for combustion

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