Described herein are embodiments of systems and methods for oxidizing gases. In some embodiments, a reaction chamber is configured to receive a fuel gas and maintain the gas at a temperature within the reaction chamber that is above an autoignition temperature of the gas. The reaction chamber may al
Described herein are embodiments of systems and methods for oxidizing gases. In some embodiments, a reaction chamber is configured to receive a fuel gas and maintain the gas at a temperature within the reaction chamber that is above an autoignition temperature of the gas. The reaction chamber may also be configured to maintain a reaction temperature within the reaction chamber below a flameout temperature. In some embodiments, heat and product gases from the oxidation process can be used, for example, to drive a turbine, reciprocating engine, and injected back into the reaction chamber.
대표청구항▼
1. A system for oxidizing fuel, comprising: an oxidizer having a reaction chamber configured to receive and oxidize a gas mixture comprising an oxidizable fuel in a gradual oxidation process within the reaction chamber;an inlet configured to introduce water into the reaction chamber during the oxida
1. A system for oxidizing fuel, comprising: an oxidizer having a reaction chamber configured to receive and oxidize a gas mixture comprising an oxidizable fuel in a gradual oxidation process within the reaction chamber;an inlet configured to introduce water into the reaction chamber during the oxidation process, the water being at an inlet temperature lower than an internal temperature of the reaction chamber, such that the water is heated as it is introduced into the reaction chamber; andan outlet configured to extract the heated water from the reaction chamber; anda controller configured to: calculate an adiabatic temperature of the gas mixture;determine when the adiabatic temperature exceeds or is equal to a flameout temperature of the gas mixture;when the adiabatic temperature exceeds or is equal to the flameout temperature, output a first signal to regulate an introduction of the water such that the internal temperature within the reaction chamber is reduced; andwhen the adiabatic temperature is below the flameout temperature, output a second signal to regulate the introduction of the water such that the internal temperature within the reaction chamber exceeds an autoignition temperature within the reaction chamber. 2. The system of claim 1, wherein inlet is configured to introduce a liquid into the reaction chamber. 3. The system of claim 2, wherein the liquid is introduced into the reaction chamber by passing through one or more coils within the reaction chamber. 4. The system of claim 3, wherein the coils are not in fluid communication with the reaction chamber. 5. The system of claim 2, wherein the liquid is introduced into the reaction chamber by injecting the liquid into the reaction chamber, such that the liquid mixes with the gas mixture within the reaction chamber. 6. The system of claim 1, wherein the inlet is configured to introduce the water into the reaction chamber as a gas. 7. The system of claim 6, wherein the gas is introduced into the reaction chamber by passing through one or more coils within the reaction chamber. 8. The system of claim 7, wherein the coils do not permit mixing of the gas and the gas mixture within the reaction chamber. 9. The system of claim 6, wherein the gas is introduced into the reaction chamber by injecting the gas into the reaction chamber, such that the gas mixes with the gas mixture within the reaction chamber. 10. The system of claim 1, wherein the outlet is configured to extract the heated water from the reaction chamber as a gas. 11. The system of claim 10, wherein the outlet is configured to redirect the gas into the reaction chamber, such that the gas mixes with the gas mixture within the reaction chamber. 12. The system of claim 1, wherein when an adiabatic reaction temperature within the reaction chamber is lower than and approaches the flameout temperature, the water is introduced into the reaction chamber. 13. The system of claim 1, wherein the inlet temperature is below the autoignition temperature of the fuel. 14. The system of claim 1, wherein the oxidizable fuel comprises at least one of hydrogen, methane, ethane, ethylene, natural gas, propane, propylene, propadiene, n-butane, iso-butane, butylene-1, butadiene, iso-pentane, n-pentane, acetylene, hexane, and carbon monoxide. 15. A method for oxidizing fuel, comprising: directing a gas mixture, comprising an oxidizable fuel, to an oxidizer having a reaction chamber configured to receive and oxidize the fuel in a gradual oxidation process within the reaction chamber;introducing water into the reaction chamber during the oxidation process, the water being at an inlet temperature lower than the internal temperature of the reaction chamber, such that the water is heated as it is introduced into the reaction chamber;calculating an adiabatic temperature of the gas mixture;determining when the adiabatic temperature exceeds or is equal to a flameout temperature of the gas mixture;when the adiabatic temperature exceeds or is equal to the flameout temperature, regulating an introduction of the water such that the internal temperature within the reaction chamber is reduced; andwhen the adiabatic temperature is below the flameout temperature, regulating the introduction of the water such that the internal temperature within the reaction chamber exceeds the autoignition temperature within the reaction chamber. 16. The method of claim 15, wherein the water is introduced into the reaction chamber as a liquid. 17. The method of claim 16, wherein the liquid is introduced into the reaction chamber by passing through one or more coils within the reaction chamber. 18. The method of claim 16, wherein the liquid is injected into the reaction chamber, such that the liquid mixes with the gas mixture within the reaction chamber. 19. The method of claim 15, wherein the water is introduced into the reaction chamber as a gas. 20. The method of claim 19, wherein the gas is introduced into the reaction chamber by passing the gas through one or more coils within the reaction chamber. 21. The method of claim 19, wherein the gas is injected into the reaction chamber, such that the gas mixes with the gas mixture within the reaction chamber. 22. The method of claim 15, wherein the heated water is extracted from the reaction chamber as a heated gas. 23. The method of claim 22, further comprising redirecting the heated gas into the reaction chamber, such that the heated gas mixes with the gas mixture within the reaction chamber. 24. The method of claim 15, wherein the oxidizable fuel comprises at least one of hydrogen, methane, ethane, ethylene, natural gas, propane, propylene, propadiene, n-butane, iso-butane, butylene-1, butadiene, iso-pentane, n-pentane, acetylene, hexane, and carbon monoxide.
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