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Dissolving device

A technology of dissolving device and stirring device, which is applied in the direction of dissolving, dissolving, and mixer with rotating stirring device, etc., which can solve the problems of high acidity of the target solution, incomplete dissolved materials, and unsatisfactory output due to small output, and meet the requirements of mass production , simple structure and stable operation

Inactive Publication Date: 2012-06-27
TSINGHUA UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] The technical problem to be solved by the present invention is to provide a dissolving device, which overcomes the defects of incompletely dissolving materials in existing dissolving devices, which cause the acidity of the target solution to be too high and the output is too small to meet the needs of mass production.

Method used

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  • Dissolving device
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Embodiment Construction

[0032] The specific embodiments of the present invention will be described in further detail below in conjunction with the drawings and embodiments. The following examples are used to illustrate the present invention, but not to limit the scope of the present invention.

[0033] Such as figure 1 As shown, the dissolving device in the embodiment of the present invention includes: a sealed reaction tank 2, a stirring device 3 connected to the reaction tank 2, a feeder, an exhaust pipe 6 and a discharge pipe 7.

[0034] Wherein, the reaction tank 2 is used to store reactants and provide a reaction place. In order to facilitate loading and unloading, the reaction tank 2 is set as a cone and made of acid-resistant stainless steel.

[0035] The outer wall of the reaction tank 2 is equipped with a heating jacket 1 for providing the required temperature conditions for the reaction. The heating jacket 1 is ring-shaped and adopts water bath heating or oil bath heating to provide a reaction he...

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Abstract

The invention relates to the technical field of a device for dissolving reactants, in particular to a dissolving device, which comprises a sealing reaction tank, a stirring device and a feeder, wherein the stirring device is inserted into the reaction tank, the feeder is connected with the reaction tank, the reaction tank is used for storing the reactants and providing reaction places, a heating sleeve used for providing temperature conditions required by reaction is arranged on the outer wall of the reaction tank, the bottom of the reaction tank is provided with a discharging tube for discharging, the stirring device is used for accelerating the dissolving speed of the reactants in the reaction tank, and the feeder is used for feeding the reactants. The dissolving device provided by the invention has the advantages that the structure is simple, the operation is convenient, the operation is stable, the yield is high, the mass production requirements can be met, U3O8 powder can be effectively, fast and fully dissolved, in addition, the acid-free dissolving can be reached, and the acid-free uranyl nitrate solution is obtained.

Description

Technical field [0001] The present invention relates to the technical field of devices for dissolving reactants, in particular to a dissolving device. Background technique [0002] At present, the sol-gel method is usually used to prepare ceramic microspheres, and this process is used to prepare uranium dioxide cores for spherical fuel elements in high-temperature gas-cooled reactors. The uranium dioxide fuel core requires a diameter of about 500 microns, which requires extremely strict dimensions. Among them, the sol-gel method to prepare uranium dioxide core mainly includes the following steps: [0003] (1) Dissolve and combine the uranium octaoxide (U 3 O 8 ) The powder is dissolved in nitric acid and configured into a uranyl nitrate solution with a certain concentration of uranium atoms; [0004] (2) To cook the glue, add urea to the uranyl nitrate solution according to a certain metering ratio, evaporate and concentrate for a certain time at a certain temperature, and add a th...

Claims

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Application Information

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IPC IPC(8): B01F1/00B01F7/18B01F15/02B01F15/06
Inventor 郝少昌马景陶赵兴宇王阳邓长生周湘文刘兵唐亚平梁彤祥郭文利
Owner TSINGHUA UNIV
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