COMPLEX DECOMMISSIONING METHOD FOR NUCLEAR FACILITY

Title:

COMPLEX DECOMMISSIONING METHOD FOR NUCLEAR FACILITY

Document Type and Number:

WIPO Patent Application WO/2020/184899

Kind Code:

A1

Abstract:

A complex decommissioning method for a nuclear facility is disclosed. The complex decommissioning method for a nuclear facility including a reactor pressure vessel and biological shield concrete, which includes a cavity in which the reactor pressure vessel is positioned, comprises the steps of: cutting and expanding the inner wall of the cavity; providing, inside the cavity, a cutting device for cutting and dismantling the reactor pressure vessel; fixing the reactor pressure vessel inside the cavity by using a fixing device; and using the cutting device so as to cut and dismantle the reactor pressure vessel fixed inside the cavity.

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Inventors:

HWANG YOUNG HWAN (KR)
HWANG SEOK-JU (KR)
YOON JU-YOUNG (KR)
KIM CHEON-WOO (KR)

Application Number:

PCT/KR2020/003114

Publication Date:

September 17, 2020

Filing Date:

March 05, 2020

Export Citation:

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Assignee:

KOREA HYDRO & NUCLEAR POWER CO (KR)

International Classes:

G21D1/00; B23D1/18; B23D33/04

Domestic Patent References:

WO2016183388A1

2016-11-17

Foreign References:

JPH07159596A	1995-06-23
JP2004061394A	2004-02-26
JP2006038730A	2006-02-09
KR101522224B1	2015-05-26

Other References: