Device for removing shielding balls from calandria of heavy water nuclear reactor
AssigneeKorea Hydro & Nuclear Power Co., Ltd.
InventorsYoung Hwan Hwang, Seok-Ju Hwang, Mi-Hyun Lee, Cheon-Woo Kim
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Abstract
A device for removing shielding balls from calandria of a heavy water reactor is provided. The device includes a head for moving the shielding balls positioned inside of an end shield of the calandria to an outside of the end shield; and a mover for moving the head to the end shield of the calandria. The head includes a head body, an opening former installed on the head body and configured to form an opening in the end shield, and a gate installed on the head body and configured to control an amount of the shielding balls discharged to the outside through the opening.
Claims7
A device for capturing a shielding ball for a heavy water reactor, comprising:
- a head for separating shielding balls positioned inside an end shield of a calandria of a heavy water reactor to an outside of the end shield;
- and
- a mover for moving the head to the end shield of the calandria,
- wherein the head includes
- a head body,
- an opening former installed on the head body and configured to cut the end shield for creating an opening in the end shield, and
- a gate installed on the head body and configured to control an amount of the shielding balls discharged to the outside through the opening.
Dependencies are inferred from the claim text.