Method for disassembling heavy-water reactor equipment by using cutting device
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United States of America Patent
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Nov 28, 2023
Grant Date -
May 12, 2022
app pub date -
Feb 10, 2020
filing date -
Feb 14, 2019
priority date (Note) -
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Abstract
A method for decommissioning a heavy water reactor facility includes: opening an upper part of the calandria vault; inserting a support device into an inner part of the calandria vault through the upper part of the calandria vault to support the main shell of the calandria; cutting between the main shell and the sub-shell of the calandria by inserting a cutting device into the inner part of the calandria vault through the upper part of the calandria vault; and drawing out the main shell of the calandria to the outside of the calandria vault by moving the support device from the inner part of the calandria vault to the outside through the upper part.
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