Reaction device for uranium fluorination reaction in molten salt system and operation method thereof

• Main Authors: LI QINGNUAN, NIU YONGSHENG, DOU QIANG, ZHOU JINHAO, HU CONGWEI, SUN LIXIN
• Format: Patent
• Language: Chinese; English
• Published: 23.07.2019
• Subjects: APPARATUS THEREFOR; CHEMISTRY; ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; METALLURGY; NUCLEAR ENGINEERING; NUCLEAR PHYSICS; NUCLEAR REACTORS; PHYSICS; PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY ORREFINING OF METALS

The invention discloses a reaction device for a uranium fluorination reaction in a molten salt system and an operation method thereof. The reaction device comprises a fluorination reactor, and is characterized in that the inner wall surface of the fluorination reactor is provided with a crucible lining with the thickness being 2-5 mm, wherein the crucible lining is a nickel metal crucible lining,a nickel-based alloy crucible lining, a ceramic crucible lining or a graphite crucible lining; a filter is arranged on a pipeline where a gas product outlet of the fluorination reactor is located; a filter filler in the filter is fluoride particles with the grain size being 2-6 mm, the fluoride particles are one or more of sodium fluoride particles, magnesium fluoride particles, barium fluoride particles and potassium fluoride particles; the filling diameter of the filter filler is 3-10 cm; and the ratio of the filling height of the filter filler to the filling diameter of the filter filler is3-10. The reaction device