Combustion burner and boiler provided with same
First Claim
Patent Images
1. A combustion burner, comprising:
- a fuel nozzle that injects fuel gas in which fuel and air are mixed;
at least one flame stabilizer provided on an axial center side near a tip end of the fuel nozzle; and
a partitioning member that partitions an inner flow channel in which the flame stabilizer is provided and an outer flow channel on an outer side of the inner flow channel, inside the fuel nozzle;
whereinthe flow channel cross-sectional area of the inner flow channel partitioned by the partitioning member expands in a flow direction of the fuel gas.
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Accused Products
Abstract
To provide: a fuel nozzle (51) that can inject fuel gas in which fuel and air are mixed; a flame stabilizer (54) provided on an axial center side near a tip end of the fuel nozzle (51); and a casing member (55) that partitions an inner flow channel in which the flame stabilizer (54) is provided and an outer flow channel on an outer side of the inner flow channel, inside the fuel nozzle (51), where the flow channel cross-sectional area of the inner flow channel partitioned by the casing member (55) expands in the flow direction of the fuel gas.
45 Citations
13 Claims
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1. A combustion burner, comprising:
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a fuel nozzle that injects fuel gas in which fuel and air are mixed; at least one flame stabilizer provided on an axial center side near a tip end of the fuel nozzle; and a partitioning member that partitions an inner flow channel in which the flame stabilizer is provided and an outer flow channel on an outer side of the inner flow channel, inside the fuel nozzle;
whereinthe flow channel cross-sectional area of the inner flow channel partitioned by the partitioning member expands in a flow direction of the fuel gas. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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Specification