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Matrix powder coating equipment for spherical nuclear fuel particles and technological method

A technology for coating equipment and nuclear fuel, which is applied in the direction of granulating raw materials, coating particles, chemical instruments and methods, etc., can solve the problems that equipment cannot meet the needs of capacity expansion, reduce fixed assets and personnel investment, and reduce The effect of production cost, operating environment safety and environmental protection

Active Publication Date: 2021-06-04
TSINGHUA UNIV +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of this, this application provides a matrix powder coating equipment and process method for spherical nuclear fuel particles to solve the technical problem that the equipment in the prior art cannot meet the demand for capacity expansion

Method used

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  • Matrix powder coating equipment for spherical nuclear fuel particles and technological method
  • Matrix powder coating equipment for spherical nuclear fuel particles and technological method
  • Matrix powder coating equipment for spherical nuclear fuel particles and technological method

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Embodiment Construction

[0048] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some, not all, embodiments of the application. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

[0049] The matrix powder coating equipment provided by the present invention is used for spherical nuclear fuel particles, and the equipment can be used for coating operations of graphite powder, metal powder, and ceramic powder outside the spherical nuclear fuel particles, and is especially suitable for mass production. Coating work.

[0050] In a specific embodiment, such as Figure 1-3As shown, the equipment includes a coating host 1, a matrix powder supply mechanism, a wetting agent delivery mechani...

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Abstract

The invention provides matrix powder coating equipment for spherical nuclear fuel particles and a technological method. The matrix powder coating equipment comprises a coating main machine, a matrix powder supply mechanism, a wetting agent conveying mechanism, an air exhaust and dust removal mechanism and a hot air mechanism, wherein the coating main machine comprises a dressing pot, a driving mechanism in transmission connection with the dressing pot and a rack, and a pot body of the dressing pot is rotatably mounted on the rack around a horizontal axis under the driving of the driving mechanism; the pot body is of a non-porous structure; and the output end of the matrix powder supply mechanism, the output end of the wetting agent conveying mechanism, the output end of the air exhaust and dust removal mechanism and the output end of the hot air mechanism all penetrate into the pot body of the dressing pot. According to the matrix powder coating equipment for the spherical nuclear fuel particles and the technological method, the technical problem that equipment in the prior art cannot meet the requirement for capacity expansion is solved.

Description

technical field [0001] The present application relates to the technical field of nuclear fuel processing equipment, in particular to a matrix powder coating equipment for spherical nuclear fuel particles in the manufacture of nuclear fuel elements. Background technique [0002] With the development of nuclear energy technology, coated nuclear fuel particles are widely favored for their outstanding safety characteristics. In addition to being used in high-temperature gas-cooled reactors and molten salt reactor fuel elements, they may also be used in pressurized water reactors, space reactors, fast Stacks and other stacks, the fuel components of these stacks are spherical, columnar or plate-shaped, the matrix includes ceramics, metals, carbon and other materials, and most of the molding processes are press molding. Due to the high pressure during the pressing process, in order to avoid the direct contact between the fuel particles and the pressure rupture, it is necessary to c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J2/00
CPCB01J2/006
Inventor 卢振明李江华刘兵周湘文张杰
Owner TSINGHUA UNIV
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