Apparatus and method for manufacturing silica glass crucible

An apparatus for manufacturing a silica glass crucible, by forming a silica powder layer on an inside of a rotating mold, the apparatus for manufacturing a silica glass crucible comprising:

• a rotating means for rotating the mold;
• and
• a supply means for feeding a silica powder to the inside of the mold;
• wherein the supply means has:
• a feeding part for feeding the silica powder in a manner releasing it to fall to a position away from an inner wall surface of the mold on the inside of the mold;
• and
• a dispersing part for changing, to one toward the inner wall surface side, at a fall position, a direction in which the silica powder fed from the feeding part moves, while also widening an angle at which the silica powder disperses toward the inner wall surface at the fall position,
• wherein the dispersing part includes a rotating disk having a top surface provided in a manner horizontally rotatable around a rotation axis which is positioned between an axis of the rotating mold and the inner wall surface and away from the axis of the rotating mold and the inner wall surface as viewed in a vertical direction, wherein the silica powder falls from the feeding part and drops at the fall position on the top surface while rotating so that the silica powder hit on the top surface moves outward along the top surface toward the inner wall due to centrifugal force exerted from the rotating disk, said fall position being set between the rotation axis of the rotating disk and an outer periphery of the top surface and away from the rotation axis of the rotating disk and the outer periphery of the top surface as viewed in the vertical direction.