Method for removing dousing tank of heavy water reactor structure
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.
1 . 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.
2 . The method of claim 1 , further comprising:
recovering cut material.
3 . The method of claim 2 , wherein the recovering includes
guiding a first portion of the cut material to a first area within the lower body of the dousing tank, and
guiding a second portion of the cut material to a second area within the lower body of the dousing tank, the first area and the second area spaced apart.