Trans-nozzle steam injection gas turbine专利检索-旋流燃烧器燃烧器燃烧器和锅炉专利检索查询-专利查询网

Trans-nozzle steam injection gas turbine

阅读：792发布：2024-01-03

专利汇可以提供Trans-nozzle steam injection gas turbine专利检索，专利查询，专利分析的服务。并且In a double-opposed flow gas turbine the fuel combustion chambers are arranged generally radially in a plane normal to the rotational axis of the turbine shaft. A generally annular turbine casing has an outer annular chamber of plenum distributing compressed air to the primary zones of the combustors and an inner annular chamber supplying steam to the secondary zones of the combustors which extend through the walls defining the air and steam chambers and supporting combined transition pieces and nozzles of the combustors as well as the turbine stator rings.，下面是Trans-nozzle steam injection gas turbine专利的具体信息内容。

权利要求

1. A double-opposed flow gas turbine, comprising a generally annular casing having an outer annular chamber surrounding an inner annular chamber, a rotor shaft extending through said casing and having axially spaced rows of first rotor blades providing an annular space around the shaft, a plurality of combustion chambers arranged generally radially in a plane normal to the rotational axis of the shaft, each combustion chamber having a primary zone at its radially outer end and a combined transition piece and nozzle at its radially inner end and a secondary zone between the primary zone and the transition piece, said nozzles communicating with the space around the shaft between the first stage rotor blades, means admitting compressed air into the outer chamber for distribution under pressure to the primary zones of the combustion chambers, means admitting a vapor into the inner chamber for distribution to the secondary zones of the combustion chambers, and means admitting a combustible fuel into the primary zone of each combustion chamber.

2. The gas turbine defined in claim 1, wherein the vapor is steam.

3. The gas turbine defined in claim 1, wherein the casing includes an outer wall defining the outside boundary of the outer chamber, a first generally cylindrical wall separating the inner and outer chambers, and a second generally cylindrical wall defining the inside boundary of the inner chamber.

4. The gas turbine defined in claim 3, wherein the combustion chambers extend generally radially through said walls and are supported by said first and second walls.

5. The gas turbine defined in claim 3, including turbine stator rings supported by said second wall.

6. The gas turbine defined in claim 4, including a separate cap for each combustion chamber attached to the outer wall of the casing.

7. The gas turbine defined in claim 6, including insulation on the inside of each cap.

8. The gas turbine defined in claim 4, wherein each combustion chamber is generally circular in cross section, said first wall has an opening therein for each combustion chamber of a greater diameter than the diameter of the chamber, and including a jacket surrounding each combustion chamber within said outer chamber to direct Vapor from the inner chamber to the secondary zone of the combustion chamber.

9. The gas turbine defined in claim 8, wherein the jacket is of a frusto-conical shape with its base attached to said first wall and its top attached to the combustion chamber.

10. The gas turbine defined in claim 9, wherein the volume of the space between the jacket and the combustion chamber is small relative to the volume of the combustion chamber.

11. The gas turbine defined in claim 1, including means for conducting vapor from the inner chamber directly into the space between the rows of first stage rotor blades.

12. The gas turbine defined in claim 11, wherein the vapor conducting means includes tubes disposed between the nozzles of the combined transition pieces and nozzles.

说明书全文

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Trans-nozzle steam injection gas turbine

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