1. A system comprising:
a gasification feed injector, comprising:
a tip portion comprising an outer wall and a feed outlet, wherein an injection axis of the gasification feed injector extends through the feed outlet of the tip portion; and
at least one fastener extending radially from the outer wall relative to the injection axis wherein an attachment location of the at least one fastener is located away from the feed outlet of the tip portion; and
a heat shield, comprising:
a tile radially disposed on the at least one fastener and radially secured to the outer wall via fastening the tile to the at least one fastener, wherein the tile wraps around a distal end portion of the tip portion; and
an insulation layer disposed between the outer wall and the tile, wherein the insulation layer has a first surface and a second surface disposed opposite the first surface, and the first surface directly contacts the outer wall and the second surface directly contacts the tile, and wherein the at least one fastener extends through a portion of the tile having the insulation layer disposed radially inward of the portion of the tile.
2. The system of claim 1, wherein the tile comprises a ceramic tile.
3. The system of claim 1, wherein the at least one fastener comprises a threaded fastener.
4. The system of claim 1, wherein the at least one fastener comprises a hook.
5. The system of claim 1, wherein the insulation layer comprises a first opening, the tile comprises a second opening radially aligned with the first opening, and the at least one fastener extends into the first and second openings.
6. The system of claim 5, wherein the heat shield comprises a heat shield plug disposed within the second opening over the at least one fastener to seal the second opening.
7. The system of claim 1, wherein the insulation layer comprises a compressible fiber blanket.
8. The system of claim 1, wherein the gasification feed injector comprises a first plurality of fasteners disposed in a first row circumferentially about the outer wall of the tip portion, wherein each fastener of the first plurality of fasteners extends radially from the outer wall and the attachment location of each fastener is located away from the feed outlet of the tip portion, and wherein the heat shield comprises a first plurality of tiles, wherein each tile of the first plurality of tiles is radially disposed on a respective fastener of the first plurality of fasteners and is radially secured to the outer wall via fastening each tile of the first plurality of tiles to the respective fastener of the first plurality of fasteners, and each tile wraps around the distal end portion of the tip portion.
9. The system of claim 8, wherein the gasification feed injector comprises a body portion located upstream of the tip portion and having the outer wall, and a second plurality of fasteners disposed in a second row circumferentially about the outer wall of the body portion, wherein each fastener of the second plurality of fasteners extends radially away from the outer wall, and wherein the heat shield comprises a second plurality of tiles, and each tile of the second plurality of tiles is radially disposed on a respective fastener of the second plurality of fasteners and is radially secured to the outer wall via fastening each tile of the second plurality of tiles to the respective fastener of the second plurality of fasteners.
10. The system of claim 8, wherein each pair of adjacent tiles of the plurality of tiles interlock with one another via at least one protrusion mating with at least one recess along an interface between the pair of adjacent tiles.
11. The system of claim 1, comprising a gasifier having the gasification feed injector.
12. A system comprising:
a heat shield for a gasification feed injector, comprising:
at least one ceramic tile configured to be radially disposed onto a fastener extending from an outer wall of a tip portion of the gasification feed injector, wherein the fastener extends radially from the outer wall relative to an injection axis of the gasification feed injector through a feed outlet of the tip portion, and the at least one ceramic tile is configured to be radially secured to the outer wall via fastening the tile to the fastener, wherein the at least one ceramic tile is configured to wrap around a distal end portion of the tip portion, and wherein the at least one ceramic tile comprises an interlock structure having a recess and a protrusion, wherein the interlock structure is configured to interlock with a mating interlock structure of an adjacent tile of the heat shield.
13. The system of claim 12, wherein the at least one ceramic tile comprises an opening to receive the fastener.
14. The system of claim 13, wherein the heat shield comprises a heat shield plug disposed within the opening over the fastener to seal the opening.
15. The system of claim 12, wherein the heat shield comprises a first plurality of ceramic tiles, and each ceramic tile of the first plurality of ceramic tiles is configured to be radially disposed onto a respective fastener of a first plurality of fasteners extending from the outer wall of the tip portion of the gasification feed injector, wherein each fastener of the first plurality of fasteners is configured to extend radially from the outer wall relative the injection axis, and the first plurality of fasteners form a first row circumferentially disposed about the outer wall of the tip portion, and wherein each ceramic tile of the first plurality of ceramic tiles is configured to be radially secured to the outer wall via fastening each ceramic tile of the first plurality of ceramic tiles to the respective fastener of the first plurality of fasteners, and each ceramic tile of the first plurality of ceramic tiles is configured to wrap around the distal end portion of the tip portion.
16. The system of claim 15, wherein the heat shield comprises a second plurality of ceramic tiles, and each ceramic tile of the second plurality of ceramic tiles is configured to be radially disposed onto a respective fastener of a second plurality of fasteners extending from the outer wall of a body portion of the gasification feed injector located upstream of the tip portion, wherein each fastener of the second plurality of fasteners is configured to extend radially from the outer wall relative the injection axis, and the second plurality of fasteners form a second row circumferentially disposed about the outer wall of the body portion, and wherein each ceramic tile of the second plurality of ceramic tiles is configured to be radially secured to the outer wall via fastening each ceramic tile of the second plurality of ceramic tiles to the respective fastener of the second plurality of fasteners.
17. A method, comprising:
radially disposing a first ceramic tile having a first opening onto a first fastener extending from an outer wall of a tip portion of a gasification feed injector by inserting the first fastener into the first opening, wherein the first fastener extends radially from the outer wall relative to an injection axis of the gasification feed injector through a feed outlet of the tip portion;
radially securing the first ceramic tile to the outer wall via fastening the first ceramic tile to the first fastener, wherein the first ceramic tile wraps around a distal end portion of the tip portion;
radially disposing a second ceramic tile having a second opening onto a second fastener extending from the outer wall of the tip portion by inserting the second fastener into the second opening, wherein the second fastener extends radially from the outer wall relative to the injection axis of the gasification feed injector, and the first and second ceramic tiles interlock with one another via at least one protrusion mating with at least one recess along an interface between the first and second ceramic tiles; and
radially securing the second ceramic tile to the outer wall via fastening the second ceramic tile to the second fastener, wherein the second ceramic tile wraps around the distal end portion of the tip portion.
18. The method of claim 17, comprising sealing the first opening of the first ceramic tile by disposing a heat shield plug within the first opening over the first fastener.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A modular power converter comprising:
a power electronics circuit configured to generate controlled output power; and
an electrical and thermal subassembly to which the power electronics circuit is directly mounted, the subassembly including a fluid diverting means to direct cooling fluid into contact with a interface on which the power electronics circuit is supported and a flow regulating element to provide regulation of temperature of the power electronics circuit in a closed-loop manner.
2. The modular power converter of claim 1, wherein the power electronics circuit includes solid state switches configured to bi-directionally or uni-directionally convert incoming power to controlled outgoing power.
3. The modular power converter of claim 2, wherein a first portion of the power electronics circuit is supported on a first side of the subassembly and a second portion of the power electronics circuit is supported on a second side of the subassembly opposite the first side.
4. The modular power converter of claim 1, wherein the subassembly includes inlet and outlet ports for a cooling fluid and an internal fluid conduit for directing flow of cooling fluid adjacent to the power electronics circuit for removal of heat.
5. The modular power converter of claim 4, comprising an interface on which the power electronics circuit is secured, the interface contacting cooling fluid flowing through the internal fluid conduit during operation to convectively and conductively remove heat from the power electronics circuit.
6. The modular power converter of claim 5, wherein the interface includes a plate supporting a plurality of solid state switches or power conversion devices directly secured thereto.
7. The modular power converter of claim 6, wherein the solid state switches or power conversion devices are bonded to the plate.
8. The modular power converter of claim 6, wherein the solid state switches or power conversion devices are mechanically mounted to the interface.
9. The modular power converter of claim 5, wherein the interface includes a plurality of heat exchange surfaces extending into the internal fluid conduit.
10. The modular power converter of claim 9, wherein the heat exchange surfaces are generally pin shaped.
11. The modular power converter of claim 5, wherein the fluid diverting means includes a diverter disposed within the internal fluid conduit to control flow of cooling fluid.
12. The modular power converter of claim 5, further comprising a heat exchanging element disposed in the internal fluid conduit.
13. The modular power converter of claim 12, wherein the heat exchanging element is secured to the interface.
14. The modular power converter of claim 5, wherein the interface is removably secured to the subassembly.
15. The modular power converter of claim 1, further comprising a flow control valve for regulating flow of cooling fluid through the internal fluid conduit.
16. The modular power converter of claim 15, further comprising at least one sensor for detecting temperature of a portion of the converter, and wherein the sensor is coupled to the flow control valve for closed loop control of flow of cooling fluid through the internal fluid conduit.
17. A modular power converter support, the support comprising:
a substrate having inlet and outlet ports and a circulation path coupled between the inlet and outlet ports, the inlet and outlet ports being configured to transmit a coolant for circulation through the circulation path, the substrate being made of a first material;
an interface plate configured to directly support a power electronics circuit and to be secured to the substrate, the interface plate having integral heat dissipation elements extending therefrom configured to extend into the coolant circulation path when the interface plate is mounted to the substrate for extraction of heat from the interface plate during operation, the interface plate being made of a second material different from the first material;
a flow control valve for regulating flow of cooling fluid through the coolant circulation path; and
at least one sensor for detecting temperature, wherein the sensor is coupled to the flow control valve for closed loop control of flow of cooling fluid through the coolant circulation path.
18. The support of claim 17, comprising a plurality of interface plates configured to be secured to the substrate and to contact coolant circulating therethrough during operation.
19. The support of claim 18, wherein the substrate is configured to receive the interface plates on different sides thereof.
20. The support of claim 19, wherein the different sides include mutually opposed sides of the substrate.
21. The support of claim 17, wherein the interface plate supports a plurality of solid state switches bonded thereto.
22. The support of claim 17, wherein the interface plate includes a plurality of heat exchange surfaces extending into the internal fluid conduit.
23. The support of claim 22, wherein the heat exchange surfaces are generally pin shaped.
24. The support of claim 22, wherein the substrate includes a plurality of heat exchange surfaces configured to cooperate with the heat exchange surfaces of the interface plate for heat transfer.
25. The support of claim 24, wherein the heat exchange surfaces of the interface plate and of the substrate are generally pin shaped.
26. The support of claim 17, further comprising a diverter disposed within the coolant circulation path to control flow of cooling fluid therethrough.
27. The support of claim 26, wherein the diverter directs flow of cooling fluid into toward the interface plate.
28. The support of claim 17, further comprising a heat exchanging element disposed in the coolant circulation path.
29. The support of claim 28, wherein the heat exchanging element is secured to the interface plate.
30. The support of claim 17, wherein the interface plate is removably secured to the substrate.
31. A modular power converter comprising:
a controlled power electronics circuit including solid state switches configured to convert incoming power to controlled outgoing power;
a fluid cooled support for supporting at least the power electronics circuit, the fluid cooled support including inlet and outlet ports for a cooling fluid and an internal fluid conduit for directing flow of cooling fluid adjacent to the power electronics circuit for removal of heat therefrom; and
an interface on which the power electronics circuit is secured, the interface contacting cooling fluid flowing through the internal fluid conduit during operation to convectively remove heat from the power electronics circuit; and wherein the fluid cooled support includes a fluid diverting means to direct cooling fluid into contact with the interface.
32. The modular power converter of claim 31, wherein the interface includes a plate supporting a plurality of solid state switches bonded thereto.
33. The modular power converter of claim 31, wherein the interface includes a plurality of heat exchange surfaces extending into the internal fluid conduit.
34. The modular power converter of claim 33, wherein the heat exchange surfaces are generally pin shaped.
35. The modular power converter of claim 33, wherein the support includes a plurality of heat exchange surfaces configured to cooperate with the heat exchange surfaces of the interface for heat transfer.
36. The modular power converter of claim 35, wherein the heat exchange surfaces of the interface and of the support are generally pin shaped.
37. The modular power converter of claim 31, wherein the fluid diverting means includes a diverter disposed within the internal fluid conduit to control flow of cooling fluid therethrough.
38. The modular power converter of claim 33, further comprising a heat exchanging element disposed in the internal fluid conduit.
39. The modular power converter of claim 38, wherein the heat exchanging element is secured to the interface.
40. The modular power converter of claim 33, wherein the interface is removably secured to the support.
41. The modular power converter of claim 33, further comprising a flow control valve coupled to the support for regulating flow of cooling fluid through the internal fluid conduit.
42. The modular power converter of claim 41, further comprising a sensor for detecting temperature of a portion of the converter, and wherein the sensor is coupled to the flow control valve for closed loop control of flow of cooling fluid through the internal fluid conduit.
43. A modular power converter comprising:
a plurality of controlled power electronics circuits including solid state switches configured to convert incoming power to controlled outgoing power;
a fluid cooled support for supporting at least the power electronics circuits, the fluid cooled support including inlet and outlet ports for a cooling fluid and an internal fluid conduit for directing flow of cooling fluid adjacent to the power electronics circuits for removal of heat therefrom;
a plurality of interfaces on which the respective power electronics circuits are secured, the interfaces contacting cooling fluid flowing through the internal fluid conduit during operation to convectively remove heat from the power electronics circuit; and
a diverter disposed within the internal fluid conduit to control flow of cooling fluid therethrough.
44. The modular power converter of claim 43, wherein the power electronic circuits are supported on opposing sides of the support.
45. The modular power converter of claim 44 wherein each interface includes a plate supporting a plurality of solid state switches bonded thereto.
46. The modular power converter of claim 44, wherein each interface includes a plurality of heat exchange elements extending into the internal fluid conduit.
47. The modular power converter of claim 46, wherein the heat exchange elements are generally pin shaped.
48. The modular power converter of claim 43, further comprising a heat exchanging element disposed in the internal fluid conduit.
49. The modular power converter of claim 43, wherein each interface is removably secured to the support.
50. The modular power converter of claim 43, further comprising a flow control valve coupled to the support for regulating flow of cooling fluid through the internal fluid conduit.
51. The modular power converter of claim 43, further comprising at least one sensor for detecting temperature of a portion of the converter, and wherein the sensor is coupled to the flow control valve for closed loop control of flow of cooling fluid through the internal fluid conduit.
52. A modular power converter comprising:
a controlled power electronics circuit including solid state switches configured to convert incoming power to controlled outgoing power;
a fluid cooled support for supporting at least the power electronics circuit, the fluid cooled support including inlet and outlet ports for a cooling fluid and an internal fluid conduit for directing flow of cooling fluid adjacent to the power electronics circuit for removal of heat therefrom;
an interface on which the power electronics circuit is secured, the interface contacting cooling fluid flowing through the internal fluid conduit during operation to convectively remove heat from the power electronics circuit;
a flow control valve coupled to the support for regulating flow of cooling fluid through the internal fluid conduit; and
a diverter disposed within the internal fluid conduit to control flow of cooling fluid therethrough.
53. The modular power converter of claim 52, further comprising a sensor for detecting temperature of a portion of the converter, and wherein the sensor is coupled to the flow control valve for closed loop control of flow of cooling fluid through the internal fluid conduit.
54. The modular power converter of claim 52, wherein the interface includes a plate supporting a plurality of solid state switches bonded thereto.
55. The modular power converter of claim 52, wherein the interface includes a plurality of heat exchange surfaces extending into the internal fluid conduit.
56. The modular power converter of claim 55, wherein the heat exchange surfaces are generally pin shaped.
57. The modular power converter of claim 52, wherein the diverter directs flow of cooling fluid into contact with the interface.
58. The modular power converter of claim 52, further comprising a heat exchanging element disposed in the internal fluid conduit.
59. The modular power converter of claim 58, wherein the heat exchanging element is secured to the interface.
60. The modular power converter of claim 52, wherein the interface is removably secured to the support.
61. A modular power converter comprising:
a substrate having inlet and outlet ports and a circulation path coupled between the inlet and outlet ports, the inlet and outlet ports being configured to transmit a coolant for circulation through the circulation path, the substrate being made of a first material;
an interface plate configured to support a power electronics circuit and to be secured to the substrate, the interface plate having integral heat dissipation elements extending therefrom configured to extend into the coolant circulation path when the interface plate is mounted to the substrate for extraction of heat from the interface plate during operation, the interface plate being made of a second material different from the first material, the interface plate further including a plurality of heat exchange surfaces extending into the internal fluid conduit; and
a diverter disposed within the coolant circulation path to control flow of cooling fluid therethrough.
62. The modular power converter of claim 61, wherein the heat exchange surfaces are generally pin shaped.
63. The modular power converter of claim 61, wherein the substrate includes a plurality of heat exchange surfaces configured to cooperate with the heat exchange surfaces of the interface plate for heat transfer.
64. The modular power converter of claim 63, wherein the heat exchange surfaces of the interface plate and of the substrate are generally pin shaped.
65. The modular power converter of claim 61, comprising a plurality of interface plates configured to be secured to the substrate and to contact coolant circulating therethrough during operation.
66. The modular power converter of claim 65, wherein the substrate is configured to receive the interface plates on different sides thereof.
67. The modular power converter of claim 66, wherein the different sides include mutually opposed sides of the substrate.
68. The modular power converter of claim 61, wherein the interface plate supports a plurality of solid state switches bonded thereto.
69. The modular power converter of claim 67, wherein the diverter directs flow of cooling fluid into toward the interface plate.
70. The modular power converter of claim 61, wherein the interface plate is removably secured to the substrate.
71. The modular power converter of claim 61, further comprising a flow control valve for regulating flow of cooling fluid through the coolant circulation path.
72. The modular power converter of claim 71, further comprising at least one sensor for detecting temperature, and wherein the sensor is coupled to the flow control valve for closed loop control of flow of cooling fluid through the coolant circulation path.