Method for removing dousing tank of heavy water reactor structure
AssigneeKorea Hydro & Nuclear Power Co., Ltd.
InventorsSeok Ju Hwang, Young Hwan Hwang, Si Young Kim, Cheon Woo Kim
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Abstract
There is provided a method of dismantling a dousing tank of a heavy water reactor structure. The method of dismantling a dousing tank of a heavy water reactor structure includes: selecting a dousing tank of a heavy water reactor structure for dismantlement; dismantling a 1st structure inside the dousing tank; fixing the dousing tank to a dome structure portion provided above the dousing tank through a mounting port; positioning a cutting unit on a 2nd structure including a concrete structure inside the dousing tank; and performing, by the cutting unit, cutting based on a forward or reverse rotation manner on an inner peripheral surface of the dousing tank.
Claims3
A method comprising:
- selecting a dousing tank of a heavy water reactor structure for dismantlement;
- dismantling a first structure inside the dousing tank;
- fixing the dousing tank to a dome structure portion provided above the dousing tank through a mounting port;
- cutting an inner surface of the dousing tank to separate the dousing tank into an upper body of the dousing tank and a lower body of the dousing tank;
- and
- moving the upper body into the lower body.
Dependencies are inferred from the claim text.