Reaction device for alkali metal treatment, and treatment system

A technology of reaction device and processing system, applied in reactors, feeding devices, chemical/physical/physical-chemical stationary reactors, etc., can solve problems such as high combustion and explosion risks, and achieve the effect of improving safety and avoiding residues

Pending Publication Date: 2021-12-14
CHINA INSTITUTE OF ATOMIC ENERGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the active chemical properties of alkali metals, during storage, alkali metals are likely to react with oxygen and moisture in the air to produce flammable and explosive gases and release a large amount of heat, so there is a high risk of combustion and explosion

Method used

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  • Reaction device for alkali metal treatment, and treatment system
  • Reaction device for alkali metal treatment, and treatment system
  • Reaction device for alkali metal treatment, and treatment system

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Embodiment Construction

[0033] It should be noted that, in the case of no conflict, the embodiments in the application and the technical features in the embodiments can be combined with each other. Undue Limitation of This Application.

[0034] In the description of this application, the orientations or positional relationships of "up", "down", "top", "bottom", "up and down", and "vertical" are based on the attached figure 1 It should be understood that these orientation terms are only for the convenience of describing the application and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be configured in a specific orientation, and operation and therefore should not be construed as limiting the application.

[0035] Embodiments of the present invention provide a reaction device 10 for alkali metal treatment, refer to Figure 1 to Figure 3 , the reaction device 10 includes: a container tank 11, an opening and closing...

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Abstract

The embodiment of the invention provides a reaction device for alkali metal treatment. The reaction device comprises a container tank, an opening and closing mechanism arranged on the container tank and a conveying mechanism arranged in a reaction cavity; the container tank is provided with a reaction cavity, an alkali metal feeding port, a first inlet/outlet for replacing original gas in the reaction cavity, a hydrogen discharge port for discharging hydrogen generated by reaction in the reaction cavity, and a second inlet/outlet for filling or discharging reaction liquid into or out of the reaction cavity; the opening and closing mechanism can selectively open or close the alkali metal feeding opening; and the conveying mechanism can move in the vertical direction, so that the alkali metal to be treated placed on the conveying mechanism can be immersed into the reaction liquid of the reaction cavity. According to the reaction device disclosed by the embodiment of the invention, while alkali metal treatment is realized, the gas in the reaction cavity is replaced, so that the risks of combustion and explosion of hydrogen generated in the reaction process are reduced, and the alkali metal is immersed into the reaction liquid to ensure that the alkali metal can completely react with the reaction liquid.

Description

technical field [0001] The invention relates to the technical field of alkali metal treatment, in particular to a reaction device and a treatment device for alkali metal treatment. Background technique [0002] Sodium-cooled fast neutron reactor is a fourth-generation nuclear reactor type that uses liquid sodium as a coolant, and has broad application prospects. [0003] A certain amount of slag-containing alkali metals will be collected during the maintenance of sodium-cooled fast neutron reactors and the analysis and sampling of related test benches. Due to the active chemical properties of alkali metals, during storage, alkali metals are likely to react with oxygen and moisture in the air to produce flammable and explosive gases and release a large amount of heat, so there is a high risk of combustion and explosion. In addition, alkali metals are easy to interact with other impurities in the waste slag to form compounds that also have the risk of combustion and explosion...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J19/24B01J4/00G21C17/025
CPCB01J19/24B01J19/0053B01J4/001B01J4/008G21C17/025Y02E30/30
Inventor 朴君杜海鸥王国芝张金山王荣东韩新梅石文涛姚泽文常一狄
Owner CHINA INSTITUTE OF ATOMIC ENERGY
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