[특허]Heat recovery steam generator

Victory Energy Operations LLC

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Heat recovery steam generator

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F22B-037/14
미국특허분류(USC)	122/235.19; 122/367.1; 122/367.3
출원번호	UP-0288667 (2005-11-29)
등록번호	US-7770544 (2010-08-30)
발명자 / 주소	Viskup, Jr., John C.
출원인 / 주소	Victory Energy Operations LLC
대리인 / 주소	Kelley Drye & Warren LLP
인용정보	피인용 횟수 : 5 인용 특허 : 16

초록
▼

In accordance with one embodiment of the present invention, a first vessel for holding a mixture of steam and water is disclosed. At least one first manifold is in fluid communication with the first vessel, the at least one first manifold is for receiving water from the first vessel. At least one second manifold is in fluid communication with the first vessel and in parallel spaced relation to the first manifold, the at least one second manifold is for returning a mixture of steam and water to the first vessel. At least one tube is in fluid communication...

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What is claimed is: 1. A heat recovery steam generator comprising: a first vessel for holding a mixture of steam and water; at least one first manifold in fluid communication with the first vessel, the at least one first manifold for receiving water recirculated through the first vessel; at least one horizontal inlet port in the side of said first vessel; at least one second manifold in fluid communication with the first vessel and in parallel spaced relation to the first manifold, one end of said at least one second manifold directly connected to said at least one horizontal inlet port and extending horizontally outwardly from said at least one horizontal inlet port, the at least one second manifold for returning recirculated water received by said at least one first manifold from said first vessel as a mixture of steam and water via the said at least one horizontal inlet port to the first vessel for separation into steam and recirculated water; at least one first tube in fluid communication with the at least one first manifold and the at least one second manifold; and a plurality of fins extending radially outward from an outer surface of the at least one first tube. 2. The heat recovery steam generator of claim 1 wherein the fins are of a length in the range of one-half to three-quarters of an inch. 3. The heat recovery steam generator of claim 1 wherein the ratio of fin length to tube radius is in the range of 1:3 to 1.5:1. 4. The heat recovery steam generator of claim 1 wherein the fins are rectilinear in shape and extend radially from the tube in a direction perpendicular to the length of the tube. 5. The heat recovery steam generator of claim 4 wherein the fins are of a width in the range of one-eighth to one-half of an inch. 6. The heat recovery steam generator of claim 4 wherein adjacent fins are spaced in a spiraling fashion along the circumference of the tube. 7. The heat recovery steam generator of claim 6 wherein adjacent fins are spaced in the range of three to six fins per inch of tube circumference. 8. The heat recovery steam generator of claim 6 wherein adjacent fins are aligned. 9. The heat recovery steam generator of claim 6 wherein adjacent fins are offset. 10. The heat recovery steam generator of claim 9 wherein the fins are offset by as much as half a fin. 11. The heat recovery steam generator of claim 1 wherein the fins are rectilinear in shape and extend radially from the tube in a direction parallel to the length of the tube. 12. The heat recovery steam generator of claim 1 wherein the fins are annular-shaped and extend radially from the tube. 13. The heat recovery steam generator of claim 1 further comprising a second vessel in fluid communication with the first vessel, the second vessel for holding water from an incoming water supply. 14. The heat recovery steam generator of claim 1 wherein the at least one first manifold, the at least one second manifold, and the at least one tube are disposed in a housing. 15. The heat recovery steam generator of claim 1 wherein a plurality of first and second manifolds are in fluid communication with the first vessel. 16. The heat recovery steam generator of claim 15 wherein eleven first manifolds and eleven second manifolds are in fluid communication with the first vessel. 17. The heat recovery steam generator of claim 1 wherein a plurality of tubes extend between the at least one first manifold and the at least one second manifold. 18. The heat recovery steam generator of claim 17 wherein eighteen tubes extend between the at least one first manifold and the at least one second manifold. 19. The heat recovery steam generator of claim 1 wherein the first vessel is a steam drum. 20. The heat recovery steam generator of claim 1 wherein the first vessel is partially filled about halfway with water. 21. A heat recovery steam generator comprising: a first vessel for holding a mixture of steam and water; at least one first manifold in fluid communication with the first vessel, the at least one first manifold for receiving water from the first vessel; at least one second manifold in fluid communication with the first vessel and in parallel spaced relation to the first manifold, one end of said at least one second manifold directly connected to an inlet port in the side of said first vessel, said at least one second manifold extending horizontally outwardly therefrom, the at least one second manifold for returning a mixture of steam and water via the said connection to the first vessel; at least one first tube in fluid communication with the at least one first manifold and the at least one second manifold; and at least one second tube in fluid communication with the at least one second manifold and a second inlet port in the side of said first vessel, the at least one second tube for returning steam to the first vessel. 22. The heat recovery steam generator of claim 21 wherein the at least one second tube extends from the first vessel and has a bend for connection with the second manifold. 23. The heat recovery steam generator of claim 22 wherein the bend has a curvature in the range of forty-five and ninety degrees. 24. The heat recovery steam generator of claim 22 wherein the at least one second tube connects with the second manifold in the middle eighty percent of the second manifold. 25. The heat recovery steam generator of claim 22 wherein the at least one second tube connects with the second manifold in about the middle of the second manifold. 26. The heat recovery steam generator of claim 21 wherein the at least one second tube comprises a pipe extending from the first vessel and terminating in an elbow for connection with the second manifold. 27. The heat recovery steam generator of claim 21 further comprising a plurality of fins extending radially outward from an outer surface of the at least one first tube. 28. The heat recovery steam generator of claim 27 wherein the fins are of a length in the range of one-half to three-quarters of an inch. 29. The heat recovery steam generator of claim 27 wherein the ratio of fin length to tube radius is in the range of 1:3 to 1.5:1. 30. The heat recovery steam generator of claim 27 wherein the fins are rectilinear in shape and extend radially from the tube in a direction perpendicular to the length of the tube. 31. The heat recovery steam generator of claim 30 wherein the fins are of a width in the range of one-eighth to one-half of an inch. 32. The heat recovery steam generator of claim 30 wherein adjacent fins are spaced in a spiraling fashion along the circumference of the tube. 33. The heat recovery steam generator of claim 32 wherein adjacent fins are spaced in the range of three to six fins per inch of tube circumference. 34. The heat recovery steam generator of claim 32 wherein adjacent fins are aligned. 35. The heat recovery steam generator of claim 32 wherein adjacent fins are offset. 36. The heat recovery steam generator of claim 35 wherein the fins are offset by as much as half a fin. 37. The heat recovery steam generator of claim 27 wherein the fins are rectilinear in shape and extend radially from the tube in a direction parallel to the length of the tube. 38. The heat recovery steam generator of claim 27 wherein the fins are annular-shaped and extend radially from the tube. 39. A heat recovery steam generator comprising: (a) a first vessel for holding a mixture of steam and water; (b) a plurality of first manifolds in fluid communication with said first vessel, each of said plurality of first manifolds for receiving water from said first vessel; (c) A plurality of second manifolds in fluid communication with said first vessel and in parallel spaced relation to said plurality of first manifolds, one end of each said plurality of second manifolds being directly connected to a corresponding inlet port in the side of said first vessel, said plurality of second manifolds extending horizontally outwardly therefrom, said plurality of second manifolds for returning a mixture of steam and water via said corresponding inlet ports to said first vessel; (d) a plurality of finned tubes in fluid connection with each of said plurality of first manifolds and each of said plurality of second manifolds, said plurality of finned tubes for receiving heat from hot exhaust gases passing over said plurality of finned tubes; (e) optionally, at least one flow enhancing tube in fluid communication between at least one of said plurality of second manifolds and a corresponding second entry port in the side of said first vessel, said at least one flow enhancing tube for returning steam to said first vessel, said at least one flow enhancing tube connecting to the top of said at least one of said plurality of second manifolds within about the middle eighty percent of said at least one of said plurality of second manifolds; (f) at least one shield for directing hot exhaust gases across said plurality of finned tubes. 40. A heat recovery steam generator comprising: a first vessel for holding a mixture of steam and water; at least one first manifold in fluid communication with the first vessel, the at least one first manifold for receiving water from the first vessel; at least one second manifold in fluid communication with the first vessel and in parallel spaced relation to the first manifold, one end of said at least one second manifold directly connected to an inlet port in the side of said first vessel, said at least one second manifold extending horizontally outwardly therefrom, the at least one second manifold for returning a mixture of steam and water via the said connection to the first vessel; at least one first tube in fluid communication with the at least one first manifold and the at least one second manifold; a plurality of fins extending radially outward from an outer surface of the at least one first tube; and at least one second tube in fluid communication with the at least one second manifold and the first vessel, the at least one second tube for returning steam to the first vessel. 41. The heat recovery steam generator of claim 40 wherein the at least one second tube extends from the first vessel and has a bend for connection with the second manifold. 42. The heat recovery steam generator of claim 41 wherein the bend has a curvature in the range of forty-five and ninety degrees. 43. The heat recovery steam generator of claim 41 wherein the at least one second tube connects with the second manifold in the middle eighty percent of the second manifold. 44. The heat recovery steam generator of claim 41 wherein the at least one second tube connects with the second manifold in about the middle of the second manifold. 45. The heat recovery steam generator of claim 41 wherein the at least one second tube comprises a pipe extending from the first vessel and terminating in an elbow for connection with the second manifold. 46. The heat recovery steam generator of claim 40 further comprising at least one shield disposed within the housing for directing hot exhaust gases across the at least one tube. 47. The heat recovery steam generator of claim 46 wherein the shield is rectilinear in shape and extends between the at least one first manifold and the at least one second manifold.

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Heat recovery steam generator

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Heat recovery steam generator

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이 특허에 인용된 특허 (16)

이 특허를 인용한 특허 피인용횟수: 5

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