Vapor generator with preheater and method of operating same
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F22B-011/02
출원번호
UP-0239310
(2005-09-28)
등록번호
US-7721679
(2010-06-14)
발명자
/ 주소
Reinhardt, Aldon R.
출원인 / 주소
Goodfield Energy Corporation
대리인 / 주소
Bever, Hoffman & Harms, LLP
인용정보
피인용 횟수 :
0인용 특허 :
43
초록▼
An efficient high-temperature water vapor generator includes a combustion chamber and a surrounding structure, wherein a cavity is located therebetween. Water is pumped into the cavity at a location near a first end of the combustion chamber. Water is removed from the cavity at a location near a sec
An efficient high-temperature water vapor generator includes a combustion chamber and a surrounding structure, wherein a cavity is located therebetween. Water is pumped into the cavity at a location near a first end of the combustion chamber. Water is removed from the cavity at a location near a second end of the combustion chamber, opposite the first end. The water removed from the cavity is injected into the combustion chamber at a location near the first end. Fuel and air are also introduced into the combustion chamber at the first end. The fuel and air are ignited near the first end of the combustion chamber, thereby creating high-temperature water vapor, and pre-heating the water in the cavity surrounding the combustion chamber.
대표청구항▼
What is claimed is: 1. A vapor generator comprising: a combustion chamber having a first end and a second end, located opposite the first end; means for initiating combustion at the first end of the combustion chamber; an outer structure surrounding the combustion chamber, wherein a cavity is locat
What is claimed is: 1. A vapor generator comprising: a combustion chamber having a first end and a second end, located opposite the first end; means for initiating combustion at the first end of the combustion chamber; an outer structure surrounding the combustion chamber, wherein a cavity is located between the combustion chamber and the outer structure; a water inlet located at the outer structure adjacent to the first end of the combustion chamber, wherein the water inlet is configured to receive water into the cavity; a water outlet located at the outer structure adjacent to the second end of the combustion chamber, wherein the water outlet is configured to receive water from the cavity; a water injection element configured to introduce water into the combustion chamber at a location adjacent to the first end of the combustion chamber; and a water conduit coupling the water outlet to the water injection element, wherein the water conduit is configured to transfer water from the cavity to the water injector element. 2. The vapor generator of claim 1, wherein the water injection element extends through the combustion chamber and the outer structure. 3. The vapor generator of claim 1, further comprising means for holding the vapor generator in an upright position, wherein the first end of the combustion chamber is located at a higher elevation than the second end of the combustion chamber. 4. The vapor generator of claim 1, further comprising a water pump coupled to the water inlet, wherein the water pump regulates the flow of water into the water inlet. 5. The vapor generator of claim 1, wherein the water injector element is configured to spray water into the combustion chamber. 6. The vapor generator of claim 1, wherein the means for initiating combustion comprise: an ignition source located in the combustion chamber adjacent to the first end; a fuel inlet configured to receive fuel into the combustion chamber adjacent to the first end; and an air inlet configured to receive air at the first end of the combustion chamber. 7. The vapor generator of claim 6, further comprising a blower configured to force air into the air inlet. 8. The vapor generator of claim 6, further comprising a baffle element coupled to the air inlet, wherein the baffle element shields the ignition source and the fuel inlet from the air inlet. 9. The vapor generator of claim 6, wherein the ignition source and the fuel inlet are located on opposite sides of the combustion chamber. 10. The vapor generator of claim 6, wherein the ignition source comprises a spark plug. 11. The vapor generator of claim 6, further comprising a vapor outlet located at the second end of the combustion chamber, wherein the vapor outlet is configured to provide vapor exhaust from the combustion chamber. 12. The vapor generator of claim 1, wherein the combustion chamber comprises a first cylindrical element and the outer structure comprises a second cylindrical element, wherein the cavity is located between the first and second cylindrical elements. 13. The vapor generator of claim 12, wherein the first and second cylindrical elements are tapered at each end. 14. The vapor generator of claim 13, further comprising: a first connector element joining first ends of the first and second cylindrical elements, wherein the combustion chamber is exposed through an opening in the first connector element; and a second connector element joining second ends of the first and second cylindrical elements, wherein the combustion chamber is exposed through an opening in the second connector element. 15. A method of generating water vapor, comprising: introducing water to a cavity that surrounds a combustion chamber, wherein the water is introduced at a location adjacent to a first end of the combustion chamber; removing water from the cavity at a location adjacent to a second end of the combustion chamber, opposite the first end; routing the water removed from the cavity into the combustion chamber at a location adjacent to the first end of the combustion chamber; introducing fuel and air into the combustion chamber at the first end; igniting the fuel and air, thereby heating the water in the combustion chamber to create water vapor, and pre-heating the water in the cavity surrounding the combustion chamber. 16. The method of claim 15, further comprising forcing the water into the cavity, forcing the water out of the cavity and forcing the water into the combustion chamber. 17. The method of claim 15, wherein the step of igniting the fuel and air comprises continuously introducing sparks at the first end of the combustion chamber. 18. The method of claim 15, further comprising introducing the air into the combustion chamber through a baffle. 19. The method of claim 15, wherein the air is introduced at a rate in the range of about 100 to 500 cubic feet per minute (cfpm) at a maximum pressure in the range of about 2 to 5 pounds/square inch (psi). 20. The method of claim 15, further comprising exhausting the water vapor at the second end of the combustion chamber.
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