The present invention relates to an apparatus for manufacturing silicon ingots, comprising: a chamber; a crucible installed in the chamber; a heating unit for heating the crucible; a crucible-mounting unit on which the crucible is placed; and at least two or more water-cooling rod groups arranged below the crucible-mounting unit, wherein said at least two or more water-cooling rod groups are spaced apart from each other about the crucible mounting unit and connected to respective water supply pipes.
