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Apr 19 – 22, 2022
Vienna, Austria
Europe/Vienna timezone
FR22 starts in Vienna 19 - 22 April 2022 Online Stream: https://event.do/iaea/a/#/events/5048

New ASTRID SFR - Intermediate Heat Exchanger (IHX) and internal vessel interface system: qualification tests onto a scale 1 representative mock-up

Apr 20, 2022, 12:04 PM
12m
Vienna, Austria

Vienna, Austria

ORAL Track 4. Fast Reactor Materials (Coolants, Structures) and Components 4.2 Structural, Novel, and Large Components Materials

Speakers

Mr Antony WOAYE HUNE (Framatome) Mr Alejandro MOURGUES (Framatome) Mr Remi MORITZ (Framatome) Mr Alexandre Villedieu (Framatome) Mrs Marie-Sophie Cheneau (French Commission for Atomic Energy and Alternative Energy)

Description

Within the framework of the new evolutive French 400MWth Advanced Sodium Technological Reactor for Industrial Demonstration project (ASTRID), qualification tests have been performed in order to demonstrate and confirm the feasibility and the performance of major components.
One of them is related to the Intermediate Heat Exchanger (IHX) and specifically about the interface between the inner vessel (redan) and the IHX. This specific device aims to seal the coolant bypass between the IHX and the stand-pipe chimney installed onto the redan.
For that, piston seals principle device is organized and supported onto a floating sleeve hung on the IHX. The sealing device aims to maintain the primary sodium coolant to pass through the IHX tube bundle. It also enables vertical and radial sliding relative displacements between IHX component and internal vessel, especially during the different reactor thermal states.
Since this innovative option has never been implemented in any French Sodium Fast Reactor, a qualification tests program is launched using a metallic 304L full scale mock-up with representative mechanical and hydraulics loadings.
The paper presents the qualification principles, the qualification process on the full scale mock-up implemented. The different experimental tests performed and the results obtained are sum-up. At last, the next steps envisioned to finalize the demonstration are mentioned following the available promising behavior of the large piston seal device to be installed on a SFR IHX.

Key Words: ASTRID, Intermediate Heat Exchanger, Sodium, Redan, stand pipe, sealing

Country/Int. organization France
Speaker's email address antony.woayehune@framatome.com
Speaker's title Mr
Affiliation/Organization Framatome

Primary author

Mr Antony WOAYE HUNE (Framatome)

Co-authors

Mr Alejandro MOURGUES (Framatome) Mr Remi MORITZ (Framatome) Mr Alexandre Villedieu (Framatome) Mrs Marie-Sophie Cheneau (French Commission for Atomic Energy and Alternative Energy)

Presentation materials

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