Uranium dioxide core aging tank, and system and method for aging, cleaning and drying

Abstract

The invention discloses a uranium dioxide core aging tank. The aging tank is a cylindrical object with an opening on the surface, and the opening is sealed by a sealing cover; the surface of the aging tank is provided with a gas outlet, spray interfaces and heating device interfaces; the aging tank is provided with a vibration and / or stirring device. The invention discloses a system for aging, cleaning and drying uranium dioxide cores. The system includes aging tank modules each composed of the uranium dioxide core aging tank, an aging region module, a cleaning region module, a drying region module and a conveying module. At the same time, the invention also discloses a method for aging, cleaning and drying the uranium dioxide cores. The method comprises the steps: standing for aging the uranium dioxide cores by using the aging region module, conveying the aging tank modules to the cleaning region module by using the conveying module, cleaning the uranium dioxide cores by using the cleaning region module, conveying the aging tank modules to the drying region module by using the conveying module, and drying the uranium dioxide cores in the aging tank modules by using the drying region module.

Description

technical field [0001] The invention relates to the technical field of raw material aging, washing and drying equipment, in particular to a uranium dioxide core aging washing and drying system and method. Background technique [0002] The uranium dioxide core is an important part of the spherical fuel element of the high temperature gas-cooled reactor, and the mainstream process currently used is the sol-gel method. According to different gel principles, it can be divided into external gelation, internal gelation, and full gelation process combining internal and external. Various gelation processes generally go through the steps of sol preparation, dispersion gelation into balls, aging, washing, drying, roasting, and reduction sintering, wherein the aging, washing, and drying steps are located in the middle stages of the entire process. [0003] In traditional technology, the three process steps of aging, washing, and drying are independent processes, which need to be carri...

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Problems solved by technology

[0006] The purpose of the present invention is to solve the problem of traditional uranium dioxide core aging, washing, and drying operations with complex operation process, many harmful substance transfer operations, great harm to the health of operators and the environment, and the operation method is manual operation , is not conducive to the problem of industrial scale production

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