A system for the gradual oxidation of fuel is disclosed. The system includes an oxidizer that has a reaction chamber with an inlet and an outlet. The reaction chamber is configured to receive a fluid comprising an oxidizable fuel through the inlet. The oxidizer is configured to maintain a flameless
A system for the gradual oxidation of fuel is disclosed. The system includes an oxidizer that has a reaction chamber with an inlet and an outlet. The reaction chamber is configured to receive a fluid comprising an oxidizable fuel through the inlet. The oxidizer is configured to maintain a flameless oxidation process. The system also includes a heating chamber with an inlet and an outlet. The inlet of the heating chamber is in fluid communication with the outlet of the reaction chamber. The heating chamber is configured to receive the fluid from the reaction chamber and selectably heat the fluid.
대표청구항▼
1. A system for gradually oxidizing fuel, comprising: a flameless combustor having an internal chamber, an inlet, and an outlet, the internal chamber being configured to maintain a flameless oxidation process;a first heating chamber in communication with the flameless combustor via the inlet, the fi
1. A system for gradually oxidizing fuel, comprising: a flameless combustor having an internal chamber, an inlet, and an outlet, the internal chamber being configured to maintain a flameless oxidation process;a first heating chamber in communication with the flameless combustor via the inlet, the first heating chamber configured to receive a fuel mixture gas and to heat the fuel mixture gas prior to introduction of the fuel mixture gas into the internal chamber;a second heating chamber in communication with the flameless combustor via the outlet, the second heating chamber being configured to receive heated spent gas from the internal chamber and to further heat the spent gas;a controller coupled to the first heating chamber and the second heating chamber, wherein the controller reduces or ceases introduction of heat from the first heating chamber and second heating chamber when the internal chamber has reached a determined condition; anda turbine configured to be coupled with the second heating chamber and to receive the heated spent gas from the second heating chamber;wherein the controller is configured to direct rotation of the turbine via a motor coupled to the turbine until the heated spent gas from the second heating chamber reaches a determined temperature. 2. The system of claim 1, wherein the determined condition comprises a temperature of the internal chamber. 3. The system of claim 2, wherein the temperature is sufficient to oxidize the fuel mixture gas within the internal chamber. 4. The system of claim 2, wherein the temperature is above the auto-ignition temperature of the fuel mixture gas within the internal chamber. 5. The system of claim 2, wherein the temperature is between about 700° C. and about 900° C. 6. The system of claim 1, wherein at least one of the first and second heating chambers generates heat with an auxiliary fuel. 7. The system of claim 6, wherein the controller reduces introduction of the auxiliary fuel to at least one of the first heating chamber and second heating chamber after the spent gas leaving the internal chamber via the outlet has reached a determined temperature. 8. The system of claim 1, wherein the controller is further configured to reduce introduction of heat by at least one of the first heating chamber and second heating chamber after the spent gas leaving the internal chamber via the outlet has reached a determined temperature. 9. The system of claim 8, wherein the controller is further configured to stop the introduction of heat by the second heating chamber when a temperature of the spent gas entering the turbine is substantially the same as a temperature of the spent gas leaving the internal chamber. 10. The system of claim 8, wherein the determined temperature is between about 700° C. and about 900° C. 11. The system of claim 8, wherein the control is configured to reduce the introduction of heat to the fuel mixture gas by the first heating chamber at a later time than the controller reduces the introduction of heat to the spent gas by the second heating chamber. 12. The system of claim 11, wherein the controller is configured to reduce the introduction of heat to the fuel mixture gas by the first heating chamber when the internal chamber reaches a temperature to maintain flameless oxidization of the gas within the internal chamber without a catalyst. 13. The system of claim 1, further comprising a compressor configured to be coupled with the first heating chamber and to (i) compress the gas and (ii) direct compressed gas to the first heating chamber. 14. A method for starting gradual oxidation in a gas turbine, the method comprising: introducing a fuel mixture gas into a flameless combustor having an internal chamber, an inlet, and an outlet, the internal chamber being configured to maintain a flameless oxidation process;heating the fuel mixture gas with a first heating chamber in communication, via the inlet, with the flameless combustor, the first heating chamber configured to heat the fuel mixture gas prior to introduction of the fuel mixture gas into the internal chamber;heating spent gas from the internal chamber with a second heating chamber in communication, via the outlet, with the flameless combustor, the second heating chamber configured to receive the heated spent gas from the internal chamber and to further heat the spent gas; anddirecting, with a controller coupled to the first heating chamber and the second heating chamber, reduction of heat introduced by the first heating chamber and the second heating chamber when the internal chamber has reached a determined condition;directing the heated spent gas through a turbine that is coupled with the second heating chamber; anddirecting rotation of the turbine with the controller, via a motor coupled to the turbine, until the heated spent gas from the second heating chamber reaches a determined temperature. 15. The method of claim 14, wherein the determined condition comprises a temperature of the internal chamber. 16. The method of claim 15, wherein the temperature is sufficient to oxidize the fuel mixture gas within the internal chamber. 17. The method of claim 15, wherein the temperature is above the auto-ignition temperature of the fuel mixture gas within the internal chamber. 18. The method of claim 15, wherein the temperature is between about 700° C. and about 900° C. 19. The method of claim 14, wherein at least one of heating the fuel mixture gas and heating the spent gas comprises generating heat with an auxiliary fuel. 20. The method of claim 19, wherein reduction of heat introduced by at least one of the first heating chamber and the second heating chamber comprises directing, with the controller, reduction of the auxiliary fuel being supplied to at least one of the first heating chamber and second heating chamber after the spent gas leaving the internal chamber via the outlet has reached a determined temperature. 21. The method of claim 14, further comprising reducing, with the controller, introduction of heat by at least one of the first heating chamber and the second heating chamber when the spent gas leaving the internal chamber via the outlet has reached a determined temperature. 22. The method of claim 21, wherein the controller ceases the introduction of heat to the spent gas by the second heating chamber when a temperature of the spent gas entering the turbine is substantially the same as a temperature of the spent gas leaving the internal chamber. 23. The method of claim 21, wherein the determined temperature is between about 700° C. and about 900° C. 24. The method of claim 21, wherein the controller directs reducing the heat introduced to the fuel mixture gas by the first heating chamber at a later time than the controller directs reducing the heat introduced to the spent gas by the second heating chamber. 25. The method of claim 24, wherein the controller directs reducing the heat introduced to the fuel mixture gas by the first heating chamber when the internal chamber reaches a temperature to maintain flameless oxidization of the fuel mixture gas within the internal chamber. 26. The method of claim 14, further comprising compressing the fuel mixture gas with a compressor and directing compressed gas from the compressor to the first heating chamber. 27. A system for gradually oxidizing fuel, comprising: a flameless combustor having an internal chamber, an inlet, and an outlet, the internal chamber being configured to maintain a flameless oxidation process of a fuel mixture gas; anda controller coupled to a first heating chamber and a second heating chamber, wherein the controller is configured to direct (i) introduction of heat to the fuel mixture gas by the first heating chamber, coupled with the flameless combustor via the inlet, prior to introduction of the fuel mixture gas into the internal chamber;(ii) introduction of heat to spent gas by the second heating chamber, coupled with the flameless combustor via the outlet, the second heating chamber receiving the spent gas from the internal chamber; and(iii) reduction or cessation of heat introduced by the first heating chamber and second heating chamber when the internal chamber has reached a determined condition;wherein the controller is configured to reduce the introduction of heat to the fuel mixture gas by the first heating chamber at a later time than the controller reduces the introduction of heat to the spent gas by the second heating chamber;wherein the controller is configured to reduce the introduction of heat to the fuel mixture gas by the first heating chamber when the internal chamber reaches a temperature to maintain flameless oxidization of the fuel mixture gas within the internal chamber without a catalyst. 28. The system of claim 27, wherein the determined condition comprises a temperature of the internal chamber. 29. The system of claim 28, wherein the temperature is between about 700° C. and about 900° C. 30. The system of claim 27, wherein at least one of the first and second heating chambers generates heat with an auxiliary fuel. 31. The system of claim 30, wherein the controller reduces introduction of the auxiliary fuel to at least one of the first heating chamber and second heating chamber after the spent gas leaving the internal chamber via the outlet has reached a determined temperature. 32. The system of claim 27, further comprising a compressor configured to be coupled with the first heating chamber and to (i) compress the fuel mixture gas and (ii) direct compressed gas to the first heating chamber. 33. A system for gradually oxidizing fuel, comprising: a flameless combustor having an internal chamber, an inlet, and an outlet, the internal chamber being configured to maintain a flameless oxidation process of a fuel mixture gas;a controller coupled to a first heating chamber and a second heating chamber, wherein the controller is configured to direct (i) introduction of heat to the fuel mixture gas by the first heating chamber, coupled with the flameless combustor via the inlet, prior to introduction of the fuel mixture gas into the internal chamber;(ii) introduction of heat to spent gas by the second heating chamber, coupled with the flameless combustor via the outlet, the second heating chamber receiving the spent gas from the internal chamber; and(iii) reduction or cessation of heat introduced by the first heating chamber and second heating chamber when the internal chamber has reached a determined condition; anda turbine configured to be coupled with the second heating chamber and to receive the heated spent gas from the second heating chamber;wherein the controller is further configured to stop the introduction of heat to the spent gas by the second heating chamber when a temperature of the spent gas entering the turbine is substantially the same as a temperature of the spent gas leaving the internal chamber. 34. The system of claim 33, wherein the determined condition comprises a temperature of the internal chamber. 35. The system of claim 34, wherein the temperature is between about 700° C. and about 900° C. 36. The system of claim 33, wherein at least one of the first and second heating chambers generates heat with an auxiliary fuel. 37. The system of claim 36, wherein the controller reduces introduction of the auxiliary fuel to at least one of the first heating chamber and second heating chamber after the spent gas leaving the internal chamber via the outlet has reached a determined temperature. 38. The system of claim 33, further comprising a compressor configured to be coupled with the first heating chamber and to (i) compress the fuel mixture gas and (ii) direct compressed gas to the first heating chamber.
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