Title:
DRYING APPARATUS FOR DRYING CANISTER FOR SPENT NUCLEAR FUEL TRANSPORTATION AND STORAGE, CONTROL METHOD THEREFOR, AND RADIATION SHIELDING GEOMETRY FOR RADIATION DOSE RATE DETECTOR THEREFOR
Document Type and Number:
WIPO Patent Application WO/2018/135809
Kind Code:
A1
Abstract:
The present invention relates to a drying apparatus for drying a canister for spent nuclear fuel transportation and storage, a control method therefor, and a radiation shielding geometry for a radiation dose rate detector therefor. The purpose of the present invention is to cause no stress to a facility pipe by comprising a radiation shielding geometry for a radiation dose rate detector which comprises a non-contaminated circulatory system and a contaminated circulatory system, prevents a drying apparatus from being contaminated even in the case of a canister having damaged spent nuclear fuel loaded therein, is easily assembled in an appropriate thickness according to a radiation dose rate, and measures the radiation dose rate of only the pipe to be measured. The present invention is characterized by comprising: a fourth gas circulation line which branches from a second gas circulation line and connects a gas cooling apparatus and a canister to communicate with each other separately from the second gas circulation line; a branch valve means mounted on the branch point where the second and fourth gas circulation lines branch; a fifth gas circulation line which is connected to the fourth gas circulation line so as to communicate with same and which connects the gas cooling apparatus and a non-reactive gas source to communicate with each other; a particle filter mounted on the fifth gas circulation line; a third gas circulation pump mounted on the fifth gas circulation line; and a radiation dose rate detector installed in a space outside the second gas circulation line between the canister and the branch valve means.
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| JP2510927 | TOXIC SUBSTANCE DISPOSAL CONTAINER |
Inventors:
CHAE GYUNG SUN (KR)
PARK BYEONG MOK (KR)
SHIN KYOUNG UK (KR)
HAN JAE HYUN (KR)
JEON HYEONG SEOP (KR)
SON KI SUNG (KR)
JUNG DO YEONG (KR)
PARK JAE SEOK (KR)
PARK BYEONG MOK (KR)
SHIN KYOUNG UK (KR)
HAN JAE HYUN (KR)
JEON HYEONG SEOP (KR)
SON KI SUNG (KR)
JUNG DO YEONG (KR)
PARK JAE SEOK (KR)
Application Number:
PCT/KR2018/000582
Publication Date:
July 26, 2018
Filing Date:
January 12, 2018
Export Citation:
Assignee:
SAE AN ENG CORPORATION (KR)
International Classes:
G21F5/14; B01D46/00; G01T1/16; G01T7/00; G21F5/12
Foreign References:
| KR20080019689A | 2008-03-04 | |||
| JP2003240437A | 2003-08-27 | |||
| JP2009156625A | 2009-07-16 | |||
| JP2011075464A | 2011-04-14 | |||
| JP2003287591A | 2003-10-10 |
Attorney, Agent or Firm:
CHOE, Suk Won (KR)
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