Patent ID: 8062423

Claim:
A crystal-growing furnace with a convectional cooling structure, comprising: a furnace body, including an upper body and a lower body, wherein the lower body is attached below the upper body so as to form an enclosed furnace chamber; a heating room, being accommodated in the furnace chamber of the furnace body, and including an upper partition, a plurality of side partitions, and a lower partition which form together an inner space, and an outer space being defined between the plural side partitions and inner wall of the furnace body; and at least one heater, being accommodated in the inner space of the heating room; wherein the upper partition of the heating room is provided with an upper opening, and the lower partition with a central opening; and the heating room is provided with an upper door, a lower door, an upper driver, and a lower driver, wherein the upper driver is provided for selectively opening and closing the upper door corresponding to the upper opening of the upper partition, and wherein the lower driver is provided for selectively opening and closing the lower door corresponding to the central opening of the lower partition, wherein the central opening and the upper opening are configured to permit a cooling air stream to circulate therebetween when the upper door and the lower door are in an open position.