Title:
METHOD FOR REMOVING DOUSING TANK OF HEAVY WATER REACTOR STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2023/136649
Kind Code:
A1
Abstract:
Provided is a method for removing a dousing tank of a heavy water reactor structure. The method for removing a dousing tank of a heavy water reactor structure comprises: a step in which a dousing tank of a heavy water reactor structure is selected for removal; a step in which a first structure in the dousing tank is removed; a step in which the dousing tank is fixed, using mounting pieces, to a dome structure part provided thereabove; a step in which a cutting unit is positioned on a second structure, comprising a concrete structure, inside the dousing tank; and a step in which the cutting unit performs a cutting process, based on a forward rotation or reverse rotation method, on the inner circumferential surface of the dousing tank.
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Inventors:
HWANG SEOK JU (KR)
HWANG YOUNG HWAN (KR)
KIM SI YOUNG (KR)
KIM CHEON WOO (KR)
HWANG YOUNG HWAN (KR)
KIM SI YOUNG (KR)
KIM CHEON WOO (KR)
Application Number:
PCT/KR2023/000632
Publication Date:
July 20, 2023
Filing Date:
January 13, 2023
Export Citation:
Assignee:
KOREA HYDRO & NUCLEAR POWER CO (KR)
International Classes:
G21D1/00; B28D1/22; G21C15/18
Foreign References:
| JPH10111397A | 1998-04-28 | |||
| JP2013249595A | 2013-12-12 | |||
| KR102300638B1 | 2021-09-09 | |||
| KR101502395B1 | 2015-03-13 | |||
| US20210296017A1 | 2021-09-23 |
Attorney, Agent or Firm:
KASAN IP & LAW FIRM (KR)
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