Spray stations for temperature control in solar boilers
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F24J-002/04
F24J-002/24
B60K-016/00
F03G-006/00
F24J-002/07
출원번호
US-0620109
(2009-11-17)
등록번호
US-9163857
(2015-10-20)
발명자
/ 주소
Plotkin, Andrew
출원인 / 주소
Babcock Power Services, Inc.
대리인 / 주소
Locke Lord LLP
인용정보
피인용 횟수 :
0인용 특허 :
104
초록▼
A boiler for a solar receiver includes a plurality of solar receiver panels. The panels are fluidly connected to one another by way of a steam circuit. At least one spray station is in fluid communication with the steam circuit and is configured and adapted to provide temperature cooling spray into
A boiler for a solar receiver includes a plurality of solar receiver panels. The panels are fluidly connected to one another by way of a steam circuit. At least one spray station is in fluid communication with the steam circuit and is configured and adapted to provide temperature cooling spray into the steam circuit to control the temperatures of the panels.
대표청구항▼
1. A boiler for a solar receiver comprising: a) a plurality of boiler walls arranged end to end surrounding a boiler interior space, each boiler wall including a plurality of side by side solar receiver panels, wherein the panels are fluidly connected to one another by way of a steam circuit, wherei
1. A boiler for a solar receiver comprising: a) a plurality of boiler walls arranged end to end surrounding a boiler interior space, each boiler wall including a plurality of side by side solar receiver panels, wherein the panels are fluidly connected to one another by way of a steam circuit, wherein the steam circuit includes four heat transfer passes, wherein each heat transfer pass is on a respective boiler wall, wherein a first pass is on an opposite one of the boiler walls from a fourth pass and a second pass is on an opposite one of the boiler walls from a third pass for substantially uniform heating of the steam circuit regardless of the position of the sun; andb) a cross-over conduit forming a portion of the steam circuit and fluidly connecting panels on a first one of the boiler walls to panels on a second one of the boiler walls opposite to the first one of the walls, wherein the cross-over conduit includes at least one spray station in fluid communication with the cross-over conduit, wherein the at least one spray station is configured and adapted to provide temperature control spray into the steam circuit to control temperature of the panels, wherein the cross-over conduit passes fluid to an opposite side of the boiler. 2. A boiler as recited in claim 1, wherein there are at least two spray stations in fluid communication with the steam circuit, the at least two spray stations being fluidly connected at separate locations in the steam circuit from one another to directly control temperature of separate boiler walls. 3. A boiler as recited in claim 2, further comprising a control system operatively connected to the at least two spray stations to independently control the spray stations for independent temperature control of at least two of the boiler walls. 4. A boiler as recited in claim 1, wherein the steam circuit includes two sub-circuits in parallel with one another, each sub-circuit including at least one spray station for independent temperature control of the sub-circuits. 5. A boiler as recited in claim 4, wherein each sub-circuit includes two spray stations separated apart from one another within each respective sub-circuit to provide temperature control for panels on separate sides of the plurality of boiler walls. 6. A boiler as recited in claim 5, wherein each sub-circuit includes a connector conduit fluidly connecting panels on one side of the plurality of boiler walls to panels on another side thereof, wherein each connector conduit includes a separate spray station. 7. A boiler for a solar receiver comprising: a) a plurality of solar receiver panels, each panel including a plurality of steam tubes fluidly connecting an inlet of the panel to an outlet of the panel, wherein the panels are fluidly connected to one another by way of a steam circuit, wherein the steam circuit includes four passes of panels, wherein each pass of panels is on a respective boiler wall, wherein a first pass is on an opposite one of the boiler walls from a fourth pass and a second pass is on an opposite one of the boiler walls from a third pass for substantially uniform heating of the steam circuit regardless of the position of the sun; andb) a cross-over conduit forming a portion of the steam circuit and fluidly connecting panels on one side of the boiler to panels on an opposite side thereof, wherein the cross-over conduit includes at least one spray station in fluid communication with the cross-over conduit, wherein the at least one spray station is configured and adapted to provide cooling spray to the steam circuit to control temperature of the panels, and wherein the cross-over conduit passes fluid to an opposite side of the boiler. 8. A boiler as recited in claim 7, wherein there are at least two spray stations in fluid communication with the steam circuit, the at least two spray stations being fluidly connected at separate locations in the steam circuit from one another to directly control temperature of separate solar receiver panels. 9. A boiler as recited in claim 8, further comprising a control system operatively connected to the at least two spray stations for independent control thereof. 10. A boiler as recited in claim 7, wherein the steam circuit includes at least two sub-circuits in parallel with one another, each sub-circuit including at least one spray station for independent temperature control of the sub-circuits. 11. A boiler as recited in claim 10, wherein each sub-circuit includes two spray stations separated within the respective sub-circuit to provide temperature control for panels in separate locations. 12. A boiler as recited in claim 11, wherein each sub-circuit includes a plurality of connector conduits, each fluidly connecting two separate passes of panels in the plurality of solar receiver panels, wherein two connector conduits in each sub-circuit include one separate spray station each. 13. A boiler as recited in claim 7, wherein the steam circuit connects the four passes of panels in series with one another by way three connector conduits, each connector conduit fluidly connecting two separate passes of panels, wherein a first spray station is included in a first of the connector conduits that is in series between first and second passes of panels, and wherein a second spray station is included in a second of the connector conduits that is in series between second and third passes of panels. 14. A boiler for a solar receiver comprising: a) a plurality of boiler walls arranged end to end surrounding a boiler interior space, each boiler wall including a plurality of side by side solar receiver panels, wherein the panels are fluidly connected to one another by way of a steam circuit, wherein the steam circuit includes four passes of solar receiver panels, wherein each pass of panels is on a respective boiler wall, wherein a first pass of panels is on an opposite one of the boiler walls from a fourth pass, and wherein a second pass of panels is on an opposite one of the boiler walls from a third pass for substantially uniform heating of the steam circuit regardless of the position of the sun; andb) a cross-over conduit forming a portion of the steam circuit and fluidly connecting panels on a first one of the boiler walls to panels on an second one of the boiler walls opposite to the first one of the boiler walls, wherein the cross-over conduit includes a separate spray station in fluid connection therewith to provide temperature control, and wherein the cross-over conduit passes fluid to an opposite side of the boiler. 15. A boiler as recited in claim 14, wherein a first connector conduit fluidly connecting a first pass of panels with a second pass of panels, with a second connector conduit fluidly connecting a third pass of panels with a fourth pass of panels, and with the cross-over conduit fluidly connecting the second pass of panels with the third pass of panels. 16. A boiler as recited in claim 15, wherein the four passes of panels, the first connector conduit, the second connector conduit, and the cross-over conduit form a first sub-circuit of the steam circuit, wherein the steam circuit includes a second sub-circuit in parallel with the first sub-circuit, the second sub-circuit including four passes of panels substantially symmetrical with the four passes of panels in the first sub-circuit, the second sub-circuit including a first connector conduit fluidly connecting a first pass of panels with a second pass of panels of the second sub-circuit, with a second connector conduit fluidly connecting a third pass of panels with a fourth pass of panels of the second sub-circuit, and with a cross-over conduit fluidly connecting the second pass of panels with the third pass of panels of the second sub-circuit. 17. A boiler as recited in claim 16, further comprising: a) a first spray station in the first connector conduit of the first sub-circuit;b) a second spray station in the cross-over conduit of the first sub-circuit;c) a third spray station in the first connector conduit of the second sub-circuit; andd) a fourth spray station in the cross-over conduit of the second sub-circuit, wherein each of the spray stations is configured and adapted to provide temperature control spray into the steam circuit to control temperature of the panels.
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