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Pellet surface dust treatment device

A treatment device and dust treatment technology, applied in cleaning methods and appliances, chemical instruments and methods, cleaning methods using gas flow, etc., can solve the problems of complex radioactive wastewater treatment process, high cost, high moisture content requirements, etc., to achieve Avoid the generation of radioactive waste liquid, realize the production capacity, and meet the effect of treatment requirements

Active Publication Date: 2020-06-05
CHINA NUCLEAR POWER ENG CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the washing method will bring a large amount of radioactive wastewater, and the treatment process of radioactive wastewater is complicated and expensive
Moreover, some special materials have high requirements on moisture content, and the washing method will make it difficult to remove water from the subsequent pellets

Method used

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  • Pellet surface dust treatment device
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Embodiment Construction

[0022] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0023] In the description of the present invention, it should be understood that the orientations or positional relationships indicated by various orientational terms are based on the orientations or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, rather than indicating or It should not be construed as limiting the invention by implying that a referenced device or element must have a particular orientation, be constructed, and operate in a particular orientation.

[0024] In order to solve a series of problems caused by using water washing to remove dust on the surface of pellets during the grinding process of pellets, an embodim...

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Abstract

The invention provides a pellet surface dust treatment device. The pellet surface dust treatment device comprises a dust blowing cavity, a pellet conveying device and a fixed support, wherein the pellet conveying device and the fixed support are connected with the dust blowing cavity; the pellet conveying device is used for continuously inputting and discharging pellets to the dust blowing cavity;and the dust blowing cavity is used for continuously purging the surfaces of the pellets conveyed into the dust blowing cavity. According to the treatment device, on-line continuous treatment of duston the surfaces of the pellets is realized; and in addition, the treatment device does not use any cleaning liquid, so that generation of radioactive waste liquid is avoided, and problems brought bya water washing mode are solved.

Description

technical field [0001] The invention relates to the technical field of nuclear fuel production, in particular to a pellet surface dust treatment device. Background technique [0002] In the field of nuclear fuel, during the processing of fuel pellets, in order to ensure that the outer diameter of the pellets meets the requirements, it is usually necessary to grind the outer circle of the pellets. During the grinding process, a large amount of radioactive dust will adhere to the surface of the pellet, which will bring a lot of inconvenience to the subsequent processing. In order to solve the above problems, water washing is generally used to remove dust on the surface of the pellets during the pellet grinding process. However, the washing method will bring a large amount of radioactive wastewater, and the radioactive wastewater treatment process is complicated and expensive. Moreover, some special materials require high water content, and the water washing method will make ...

Claims

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Application Information

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IPC IPC(8): B08B5/02B08B13/00
CPCB08B5/023B08B13/00
Inventor 翟家海杜军岭魏定池贾守亚顾寒芬毛建中
Owner CHINA NUCLEAR POWER ENG CO LTD
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