Burner for manufacture of fused quartz or fused silica ingots

Details Burner for manufacture of fused quartz or fused silica ingots Burner for manufacture of fused quartz or fused silica ingots

1982-02-05

1983-06-21

Kellogg, Arthur D.

Glass manufacturing

Article forming means utilizing mold motion

65 182, 65 184, 65335, 65347, 65DIG8, 427193, C03B 1904

Patent

active

043892353

ABSTRACT:
The elongated burner is described which is capable of providing a ribbon of flame through which particulate material as small as 1 micron is uniformly dispersed and transported onto a rotating forming surface for formation of an ingot. In a preferred embodiment the burner is provided with a hollow interior defined by a cylindrical surface interrupted by a longitudinal groove in communication with a longitudinal discharge slot. The sides of the groove are sloped at an angle steeper than the angle of repose of the particulate material. In the preferred embodiment the exterior surface of the burner is likewise provided with a longitudinal groove in communication with the discharge slot and providing two surfaces angled toward each other and toward the path through which the discharged material travels. At least one linear array of orifices is spaced along each of the angled surfaces so that flame emanating from the orifices in one angled surface will converge with the flame emanating from the orifices of the opposite angled surface at a point within the path of the discharged material.

REFERENCES:
patent: 1368990 (1921-02-01), Scharl
patent: 3853520 (1974-12-01), Rau
patent: 3902885 (1975-09-01), Rau
patent: 4188201 (1980-02-01), Jung
patent: 4212661 (1980-07-01), Jung

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