HYBRID GRADUAL OXIDATION
First Claim
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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 fluid into the reaction chamber during the oxidation process, the fluid being at an inlet temperature lower than an internal temperature of the reaction chamber, such that the fluid is heated as it is introduced into the reaction chamber; and
an outlet configured to extract the heated fluid from the reaction chamber;
wherein the reaction chamber is configured to maintain the internal temperature above an autoignition temperature of the fuel and below a flameout temperature of the fuel.
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Abstract
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.
33 Citations
24 Claims
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1. A system for oxidizing fuel, comprising:
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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 fluid into the reaction chamber during the oxidation process, the fluid being at an inlet temperature lower than an internal temperature of the reaction chamber, such that the fluid is heated as it is introduced into the reaction chamber; and an outlet configured to extract the heated fluid from the reaction chamber; wherein the reaction chamber is configured to maintain the internal temperature above an autoignition temperature of the fuel and below a flameout temperature of the fuel. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 24)
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15. A method for oxidizing fuel, comprising:
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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, the reaction chamber being configured to maintain an internal temperature above an autoignition temperature of the fuel and below a flameout temperature of the fuel; introducing fluid into the reaction chamber during the oxidation process, the fluid being at an inlet temperature lower than the internal temperature of the reaction chamber, such that the fluid is heated as it is introduced into the reaction chamber; and extracting the heated fluid from the reaction chamber. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23)
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Specification