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US 2022/0018537 A1Published application
Burners for conversion of methane to olefins, aromatics, and nanoparticles
AssigneeKing Abdullah University of Science and Technology
InventorsMani SARATHY, Robert DIBBLE, William ROBERTS
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Abstract
Embodiments of the present disclosure describe burner configurations used in an industrial process to convert methane to olefins, aromatics, and nanoparticles/nanomaterials. Both a vitiated coflow burner and piloted turbulent burner with inhomogeneous inlets are disclosed.
Claims18
A burner for converting injected methane to olefins, aromatics and nanoparticles/nanomaterials, comprising:
- a plate through which a coflow gas passes including a porous plate or catalytic monolith, with a coflow flame established above the plate;
- a central tube passing through the plate and having a tip through which methane exits;
- two concentric tubes with an annulus that supplies premixed methane and oxygen via the porous plate or catalytic monolith;
- a tube positioner for varying an offset height of the tube tip relative to the plate;
- and a controller for adjusting the offset height of the tube tip based on material inputs or desired output yield.
2 more elements
A method of controlling secondary reactions of a burner of combustion products using injected methane, the method comprising:
- passing a premixed vitiated coflow of gas through a porous plate or catalytic monolith to establish a premixed flame, wherein the porous plate or catalytic monolith is supplied with the premixed vitiated coflow of gas by an annulus of a coflow burner comprising two concentric tubes, wherein the central tube has a tip;
- establishing a jet flame in coaxial flow of hot combustion products from the premixed flame, said jet flame established by gas exiting from the central tube of the two concentric tubes;
- providing a tube positioner to translate the tip of the central tube to an offset height relative to the porous plate or catalytic monolith;
- and
- controlling the tube positioner to vary the offset height of the tip of the central tube in a dynamic manner based on chemical inputs, with the controlling step resulting in different secondary reactions of the hot combustion products from the premixed flame, with the gas exiting from the central tube.
2 more elements
Dependencies are inferred from the claim text.