An object of the present invention is to provide a combustion burner which is capable of heating or melting a raw material powder efficiently by dispersing the raw material powder, and which is capable of improving a collection rate of the heated or melted raw material powder, the invention providin
An object of the present invention is to provide a combustion burner which is capable of heating or melting a raw material powder efficiently by dispersing the raw material powder, and which is capable of improving a collection rate of the heated or melted raw material powder, the invention providing a combustion burner that forms flame including a dispersal member which is provided in the raw material powder outlet which spouts the raw material powder into the flame, includes first and second inclined surfaces, and which disperses the raw material powder by colliding with the raw material powder that is supplied to the raw material powder outlet.
대표청구항▼
1. A combustion burner that forms flame comprising: a raw material powder outlets which spouts a raw material powder into the flame;a plurality of first fuel outlets, which are disposed further on an inner side than the raw material powder outlets, and which spout a first fuel;a plurality of first o
1. A combustion burner that forms flame comprising: a raw material powder outlets which spouts a raw material powder into the flame;a plurality of first fuel outlets, which are disposed further on an inner side than the raw material powder outlets, and which spout a first fuel;a plurality of first oxidant outlets, which are disposed further on the inner side than the raw material powder outlets, and which spout a first oxidant;a plurality of second fuel outlets which are disposed further on an outer side than the raw material powder outlets, and which spout a second fuel;a plurality of second oxidant outlets which are disposed further on the outer side than the raw material powder outlets, and which spout a second oxidant; anda dispersal member which is provided in the raw material powder outlet, and which disperses the raw material powder by colliding with raw material powder that is supplied to the raw material powder outlet, whereina shape of the raw material powder outlet is a ring form which is partitioned by a leading end of a first circular member and a leading end of a second circular member which is disposed on the outer side of the first circular member, andthe dispersal member includes a first inclined surface that disperses the raw material powder in a direction that approaches a central axis of the combustion burner toward a leading end surface of the combustion burner, and a second inclined surface that disperses the raw material powder in a direction that becomes separated from the central axis of the combustion burner toward the leading end surface of the combustion burner. 2. The combustion burner according to claim 1, wherein the first inclined surface includes a plurality of inclined surfaces which are inclined at different angles in a circumferential direction of the combustion burner, andwherein the second inclined surface includes a plurality of inclined surfaces which are inclined at different angles in a circumferential direction of the combustion burner. 3. The combustion burner according to claim 1, wherein the raw material powder outlet includes a first raw material powder outlet, which is partitioned by the leading end of the first circular member and the first inclined surface, and a second raw material powder outlet, which is partitioned by the leading end of the second circular member and the second inclined surface. 4. The combustion burner according to claim 3, wherein the combustion burner comprises a first raw material powder supply line which supplies the raw material powder to the first raw material powder outlet, and a second raw material powder supply line which supplies the raw material powder to the second raw material powder outlet. 5. The combustion burner according to claim 1, wherein the dispersal member includes a first dispersal member which has the first inclined surface, and is provided on an inner surface of the second circular member, and a second dispersal member which has the second inclined surface, is provided on an inner surface of the first circular member, and is a separate body from the first dispersal member. 6. The combustion burner according to claim 5, wherein the first and second inclined surfaces include a plurality of inclined surfaces which are respectively inclined at different angles. 7. The combustion burner according to claim 5, wherein the first and second dispersal members are disposed in a plurality in a circumferential direction of the combustion burner. 8. The combustion burner according to claim 1, wherein an angle that is formed by the second inclined surface and a virtual plane that is parallel to the central axis of the combustion burner is within a range of greater than or equal to 5° but less than or equal to 30° when an angle that is formed by the first inclined surface and a virtual plane that is parallel to the central axis of the combustion burner is greater than or equal to 0° but less than or equal to 30°. 9. The combustion burner according to claim 1, wherein an angle that is formed by the first inclined surface and a virtual plane that is parallel to the central axis of the combustion burner is within a range of greater than or equal to 5° but less than or equal to 30° when an angle that is formed by the second inclined surface and a virtual plane that is parallel to the central axis of the combustion burner is greater than or equal to 0° but less than or equal to 30°. 10. The combustion burner according to claim 1, wherein the raw material powder outlet, the plurality of first fuel outlets, the plurality of first oxidant outlets, the plurality of second fuel outlets, and the plurality of second oxidant outlets are disposed concentrically with respect to the central axis of the combustion burner.
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이 특허에 인용된 특허 (1)
Belashchenko Vladimir E. ; Baranovski Viacheslav E., Thermal spray systems.
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