Combustion wave ignition for combustors
View Patent ↗A system, such as a turbine power production system, including a plurality of combustion chambers. The combustion chamber may be provided with an ignition system that allows for substantially simultaneous ignition of each of the plurality of the combustors. Generally, a detonation wave may be provided to each of the combustion chambers substantially simultaneously from a single ignition combustion wave chamber.
1. A combustion system, comprising:
a main combustion chamber defined in part by a main injector plate, a pilot port defined through said main injector plate and in communication with said main combustion chamber, said main injector plate defines a multitude of oxidizer passages and a multitude of fuel pathways in communication with said main combustion chamber; and
an ignition system including a combustion wave premix chamber in communication with said pilot port for providing a detonation wave to said pilot port to assist in igniting an air and fuel mixture in said main combustion chamber.
2. The system of claim 1 , wherein said combustion wave premix chamber defines a void for holding a volume of an ignition oxidizer and an ignition fuel, said void being in communication with at least one of an oxidizer source and a fuel source.
3. The system of claim 1 , wherein said combustion wave premix chamber is in communication with both of an oxidizer source and a fuel source.
4. The system of claim 1 , wherein said combustion wave premix chamber is in communication with a spark ignition source.
5. The system of claim 1 , wherein said ignition system comprises an ignition line coupled in flow communication between said combustion wave premix chamber and said pilot port.
6. The system of claim 5 , wherein said ignition line comprises a tube for propagating a detonation wave generated in said combustion wave premix chamber to said pilot port.
7. The system of claim 6 , wherein said ignition line further comprises an annulus surrounding said tube for supplying an oxidizer from an oxidizer source to said pilot port.
8. The system of claim 6 , wherein said ignition line further comprises an annulus surrounding said tube for supplying a fuel to said pilot port.
9. The system of claim 5 , wherein said ignition line comprises:
a tube for propagating said detonation wave generated in said combustion wave premix chamber;
a first annulus surrounding said tube and in communication with a first port for providing an oxidizer to said pilot port; and
a second annulus surrounding said tube for providing a fuel to said pilot port; and
wherein said first and second annuli are concentric with said tube.
10. The system of claim 1 , wherein said multitude of oxidizer passages are extensions of a multitude of heat exchange tubes which communicate with said main combustion chamber.
11. The system of claim 1 , wherein said multitude of fuel pathways communicate fuel from a fuel manifold region to said main combustion chamber.
12. The system of claim 11 , further comprising a premix fuel line which communicates fuel to a premix section through said fuel manifold and a main fuel line which communicates fuel to said main combustion section through a main injector.
13. The system of claim 1 , wherein said ignition system comprises an ignition line coupled in flow communication between said combustion wave premix chamber and said pilot port, said ignition line includes:
a tube to propagate a detonation wave generated in said combustion wave premix chamber to said pilot port to assist in igniting an air and fuel mixture in said main combustion chamber;
a first annulus surrounding said tube for providing an oxidizer to said pilot port; and
a second annulus surrounding said tube for providing a fuel to said pilot port.
14. The system of claim 1 , further comprising a pre-heater section upstream of said main injector plate.
15. The system of claim 14 , further comprising a premix section upstream of said pre-heater section.
16. The system of claim 15 , further comprising a premix fuel line which communicates fuel to said premix section through said fuel manifold and a main fuel line which communicates fuel to said main combustion section through a main injector which passes through said pre-heater section.
17. A combustion system, comprising:
a plurality of combustion apparatuses, each including a main combustion chamber defined in part by a main injector plate including a pilot port through said main injector plate, said main injector plate defines a multitude of oxidizer passages and a multitude of fuel pathways in communication with said main combustion chamber;
an ignition system including:
a combustion wave premix chamber for generating a detonation wave; and
an ignition line for propagating said detonation wave from said combustion wave premix chamber to said pilot port of each said main combustion chamber to assist in combusting an air and fuel mixture in each said main combustion chamber.
18. The system of claim 17 , wherein said combustion wave premix chamber defines a void for holding a volume of an ignition oxidizer and an ignition fuel, said void being in communication with at least one of an oxidizer source and a fuel source.
19. The system of claim 17 , wherein said combustion wave premix chamber is in communication with a spark ignition source.
20. The system of claim 17 , wherein said ignition line comprises:
a tube for propagating said detonation wave generated in said combustion wave premix chamber;
a first annulus surrounding said tube and in communication with a first port for providing an oxidizer to said pilot port; and
a second annulus surrounding said tube for providing a fuel to said pilot port; and
wherein said first and second annuli are generally concentric with said tube.