Method of producing soot
AssigneeCorning Incorporated
InventorsManoj Agrawal, Dale Robert Powers, Fei Xia
Life of this patent
Estimating the term…
Abstract
A method of producing soot, including: combusting a first fuel stream and a first oxidizer at a burner face; combusting a second fuel stream and a second oxidizer at the burner face, wherein the second fuel stream and the second oxidizer are premixed in advance of the burner face and a second equivalence ratio of the second fuel stream and the second oxidizer is less than about 1; and combusting a silicon-containing fuel into a plurality of soot particles, wherein the second fuel stream and the second oxidizer are combusted between the first fuel stream and the silicon-containing fuel. Applying this method of producing soot to deposit a preform suitable for the manufacture of optical fibers.
Claims18
A method of producing soot, comprising:
- combusting a first fuel stream and a first oxidizer at a burner face, wherein a first equivalence ratio of the first fuel stream and the first oxidizer is from about 1.6 to about 4;
- combusting a second fuel stream and a second oxidizer at the burner face, wherein a second equivalence ratio of the second fuel stream and the second oxidizer is from about 0.1 to about 0.5, and wherein the combustion of the first fuel stream and the first oxidizer and the combustion of the second fuel stream and the second oxidizer occur simultaneously;
- and
- combusting a silicon-containing fuel into a plurality of silica soot particles at a lift-off distance away from the burner face, wherein the lift-off distance is from about 0.1 cm to about 0.8 cm from the burner face, and wherein the second fuel stream is combusted between the first fuel stream and the silicon-containing fuel.
A method of producing soot, comprising:
- combusting a first fuel stream and a first oxidizer at a burner face, wherein a first equivalence ratio of the first fuel stream and the first oxidizer is from about 1.6 to about 4;
- combusting a second fuel stream and a second oxidizer at the burner face, wherein a second equivalence ratio of the second fuel stream and the second oxidizer is from about 0.1 to about 0.5, and wherein the combustion of the first fuel stream and the first oxidizer and the combustion of the second fuel stream and the second oxidizer occur simultaneously;
- and
- combusting a silicon-containing fuel into a plurality of silica soot particles at a lift-off distance away from the burner face, wherein the lift-off distance is from about 0.1 cm to about 0.8 cm from the burner face.
Dependencies are inferred from the claim text.