IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0478799
(2002-06-03)
|
우선권정보 |
DE-0027043 (2001-06-02) |
국제출원번호 |
PCT//EP02/06063
(2003-12-23)
|
§371/§102 date |
20031223
(20031223)
|
국제공개번호 |
WO02//09933
(2002-12-12)
|
발명자
/ 주소 |
- Weclas, Miroslaw
- Volkert, Jochen
|
출원인 / 주소 |
- GVP Gesellschaft zur Vermarktung der Porenbrennertechnik mbH
|
대리인 / 주소 |
Rankin, Hill, Porter &
|
인용정보 |
피인용 횟수 :
11 인용 특허 :
6 |
초록
▼
A method and device for low-emission, noncatalytic combustion of a liquid fuel. The method includes separately introducing the liquid fuel in a non-ignitable state into a mixing zone, vaporizing the liquid fuel in the mixing zone, separately introducing a gaseous oxidizing agent into the mixing zone
A method and device for low-emission, noncatalytic combustion of a liquid fuel. The method includes separately introducing the liquid fuel in a non-ignitable state into a mixing zone, vaporizing the liquid fuel in the mixing zone, separately introducing a gaseous oxidizing agent into the mixing zone, and mixing the fuel and the gaseous oxidizing agent in the mixing zone to create ignitable mixture. The mixing zone is formed so that combustion is not possible even when the ignition temperature of the mixture is reached within the mixing zone. Combustion of the mixture occurs in a combustion zone located down current from the mixing zone.
대표청구항
▼
1. A method for low-emission, non-catalytic combustion of a liquid fuel, comprising the steps of:a) separately introducing the liquid fuel in a non-ignitable state into a mixing zone, b) vaporizing the liquid fuel in the mixing zone, c) separately introducing a gaseous oxidizing agent into the mixin
1. A method for low-emission, non-catalytic combustion of a liquid fuel, comprising the steps of:a) separately introducing the liquid fuel in a non-ignitable state into a mixing zone, b) vaporizing the liquid fuel in the mixing zone, c) separately introducing a gaseous oxidizing agent into the mixing zone, d) mixing the fuel and the gaseous oxidizing agent in the mixing zone to create an ignitable mixture, wherein the mixing zone is formed so that combustion is not possible even when the ignition temperature of the mixture is reached within the mixing zone, and e) combusting the mixture in a combustion zone located down current from the mixing zone. 2. A method for low-emission, non-catalytic combustion of a liquid fuel, comprising the steps of:a) vaporizing the liquid fuel in a vaporizer, b) separately introducing the vaporized fuel in a non-ignitable state into a mixing zone located down current from the vaporizer, c) separately introducing a gaseous oxidizing agent into the mixing zone, d) mixing the fuel and the gaseous oxidizing agent in the mixing zone to form an ignitable mixture, wherein the mixing zone is formed so that combustion is not possible even when the ignition temperature of the mixture is reached within the mixing zone, and e) combusting the mixture in a combustion zone located down current from the mixing zone. 3. The method as defined in claim 1, wherein the mixing zone has a P?clet number of less than 65.4. The method as defined in claim 1, wherein the mixing zone is formed from a device selected from the group consisting of a perforated plate, a first porous element, and a narrow slit.5. The method as defined in claim 4, wherein the mixture is fed to a second porous element which forms the combustion zone and is burned in its pore volume under formation of a flame.6. The method as defined in claim 4, wherein the first and second porous elements are directly next to each other.7. The method as defined in claim 5, wherein at least one of the perforated plate, the first porous element, and the second porous element are made of a ceramic material.8. The method as defined in claim 7, comprising the further step of adding a non-oxidizing gas during vaporization in the vaporizer.9. The method as defined in claim 1, comprising the further step of controlling at least one of a mass flow of the fuel fed to the mixing zone and a mass flow of the gaseous oxidizing agent.10. The method as defined in claim 1, comprising the further step of preheating at least one of the fuel and the gaseous oxidizing agent.11. The method as defined in claim 10, wherein said preheating step includes adding exhaust formed during combustion to at least one of the vaporized fuel and the gaseous oxidizing agent.12. A device for low-emission, non-catalytic combustion of a liquid fuel, said device providing a mixing zone and a combustion zone, said combustion zone being located down current from the mixing zone, wherein means for separate introduction of the liquid or vaporized fuel in a non-ignitable state and means for separate introduction of a gaseous oxidizing agent are connected with the mixing zone, and wherein the mixing zone is formed so that combustion is not possible even when the ignition temperature of the mixture is reached within the mixing zone.13. The device as defined in claim 12, wherein the mixing zone has a P?clet number of less than 65.14. The device as defined in claim 12, wherein the mixing zone is formed from devices selected from the group consisting of a perforated plate, a first porous element, and a narrow slit.15. The device as defined in claim 14, wherein the combustion zone is formed from a second porous element that permits combustion of the mixture.16. The device as defined in claim 15, wherein at least one of the perforated plate, the first porous element, and the second porous element are made from a ceramic.17. The device as defined in claim 15, wherein the first and the second porous element are directly next to each other.18. The device as defined in claim 12, wherein a device for vaporizing the liquid fuel is provided up current from the mixing zone.19. The device as defined in claim 18, wherein a device for adding a further non-oxidizing gas is connected with the vaporizing device.20. The device as defined in claim 18, wherein the vaporizing device is part of the mixing zone.21. The device as defined in claim 12, further comprising means for controlling at least one of a mass flow of the gas fed to the mixing zone and a mass flow of the gaseous oxidizing agent fed to the mixing zone.22. The device as defined in claim 12, further comprising a device for preheating at least one of the gas and the gaseous oxidizing agent.23. The method as defined in claim 2, comprising the further step of preheating at least one of the fuel and the gaseous oxidizing agent.24. The method as defined in claim 2, wherein the mixing zone has a P?clet number of less than 65.25. The method as defined in claim 2, wherein the mixing zone is formed from structures selected from the group consisting of a perforated plate, a first porous element, and a narrow slit.26. The method as defined in claim 25, wherein the mixture is fed to a second porous element that forms the combustion zone and is burned in its pore volume under formation of a flame.27. The method as defined in claim 26, wherein the first and second porous elements are directly next to each other.28. The method as defined in claim 26, wherein at least one of the perforated plate, the first porous element, and the second porous element is made of a ceramic material.29. The method as defined in claim 28, comprising the further step of adding a non-oxidizing gas during vaporization in the vaporizer.30. The method as defined in claim 2, comprising the further step of controlling at least one of a mass flow of the fuel fed to the mixing zone and a mass flow of the gaseous oxidizing agent.31. The method as defined claim 2, comprising the further step of preheating at least one of the fuel and the gaseous oxidizing agent.32. The method as defined in claim 31, wherein the preheating step includes adding exhaust formed during combustion to at least one of the vaporized fuel and the gaseous oxidizing agent.
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