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Pit gate, pit equipment, nuclear power facility, and pit gate installation method
A pit gate includes a gate body which is inserted between a pool portion storing water and a canal portion connected to the pool portion and is configured to change a flow state of the water, and a seal portion (6) which is accommodated in a groove-shaped accommodation recess formed in the gate body and seals between the pool portion and the gate body. The seal portion (6) includes a low-rigidity portion (10) which is relatively easily deformed by a load according to a water pressure from the pool portion side, and a high-rigidity portion (11) which is provided on the pool portion side of the low-rigidity portion and is not easily deformed relatively by the load.
Pit gate, pit equipment, nuclear power facility, and pit gate installation method
A pit gate includes a gate body which is inserted between a pool portion storing water and a canal portion connected to the pool portion and is configured to change a flow state of the water, and a seal portion (6) which is accommodated in a groove-shaped accommodation recess formed in the gate body and seals between the pool portion and the gate body. The seal portion (6) includes a low-rigidity portion (10) which is relatively easily deformed by a load according to a water pressure from the pool portion side, and a high-rigidity portion (11) which is provided on the pool portion side of the low-rigidity portion and is not easily deformed relatively by the load.
Pit gate, pit equipment, nuclear power facility, and pit gate installation method
OKAMOTO HIROMU (author) / WATANABE HISANORI (author) / KAFUKU HIDETAKA (author) / TANAKA SHUNSUKE (author) / MITSUI HIROKI (author) / SUDA YASUHARU (author) / ITO TAKAO (author) / KURONO HAYAO (author) / DOBARA SHUHEI (author) / HORI TAKUMI (author)
2023-02-28
Patent
Electronic Resource
English
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