Title:
六フッ化ウランを二酸化ウランに変換する設備および方法
Document Type and Number:
Japanese Patent JP7118260
Kind Code:
B2
Abstract:
An installation for the conversion of uranium hexafluoride (UF6) to uranium dioxide (UO2) comprises a hydrolysis reactor (4) for the conversion of UF6 into uranium oxyfluoride powder (UO2F2), a pyrohydrolysis furnace (6) for converting the UO2F2 powder supplied by the reactor (4) into UO2 powder, a supply device (8) comprising reagent injection ducts (10) for the injection of UF6, water vapor or H2, and a control system (16) designed to control the supply device (8) so as to supply at least one of the reagent injection ducts (10) with a neutral gas during a shut-down or start-up phase of the conversion installation.
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Inventors:
Maizona, Bruno
Evlar, Stephane
Evlar, Stephane
Application Number:
JP2021520107A
Publication Date:
August 15, 2022
Filing Date:
October 09, 2018
Export Citation:
Assignee:
FRAMATOME
International Classes:
G21C21/02; C01G43/025; F27B7/06; F27B7/42; F27D7/02
Domestic Patent References:
| JP2011026191A | ||||
| JP6080424A | ||||
| JP2001511109A |
Attorney, Agent or Firm:
Keiichi Ota