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Device and method for removing ultrasonic electrochemical radioactive contaminations of nuclear facilities

A technology of ultrasonic electrochemistry and decontamination device, which is applied in the direction of chemical instruments and methods, cleaning methods and utensils, cleaning methods using liquids, etc., which can solve the problems of unsatisfactory decontamination effects such as waste and waste liquid, and achieve excellent corrosion resistance performance, long electrode life, and less secondary waste generation

Pending Publication Date: 2017-12-01
沈阳中科腐蚀控制工程技术有限公司
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Problems solved by technology

[0005] In order to fill the blank of the existing nuclear power facility decontamination device, the purpose of the present invention is to provide a nuclear facility sonoelectrochemical radioactive pollution decontamination device and method, which solves the unsatisfactory decontamination effect and the generation of many new wastes in the prior art. Problems such as waste liquid

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  • Device and method for removing ultrasonic electrochemical radioactive contaminations of nuclear facilities
  • Device and method for removing ultrasonic electrochemical radioactive contaminations of nuclear facilities
  • Device and method for removing ultrasonic electrochemical radioactive contaminations of nuclear facilities

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Embodiment Construction

[0032] Such as Figure 1-Figure 3 As shown, the ultrasonic electrochemical radioactive pollution decontamination device for nuclear facilities of the present invention has the advantages of both ultrasonic decontamination and electrochemical decontamination methods, and mainly includes an electrochemical decontamination system, an ultrasonic decontamination system, a heating system, an electrolytic decontamination system, and an electrolytic decontamination system. Liquid circulation system and controller, the specific structure is as follows:

[0033] (1) The electrochemical decontamination system comprises electrochemical power source 1, electrode 7, three parts of electrochemical decontamination tank 3, and electrode 7 is arranged in the electrochemical decontamination tank 3, and the input terminal of electrochemical power source 1 is connected with control by wire 13 The output end of the electrochemical power supply 1 is connected to the electrode 7 through the wire 13. T...

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Abstract

The invention relates to a device and a method for removing ultrasonic electrochemical radioactive contaminations of nuclear facilities, and belongs to the field of nuclear industrial radioactive waste treatment. The device is provided with an ultrasonic decontamination part and an electrochemical decontamination part, and comprises an electrochemical decontamination system, an ultrasonic decontamination system, an electrolyte heating system, an electrolyte circulating system and a controller. The method comprises the following steps: (I) the device for removing the ultrasonic electrochemical radioactive contaminations of the nuclear facilities is reasonably arranged on the scene according to the scene conditions; (II) a decontamination agent is added in the device; the temperature is adjusted according to workpiece demands; and the electrolyte circulating system is started; (III) decontaminated workpieces are placed; electrochemical and ultrasonic parameters are set; and the time is adjusted according to the decontamination conditions; and (IV) the decontaminated workpieces are cleaned and dried. A novel comprehensive decontamination process of combining ultrasonic and electrochemical methods is adopted to achieve such characteristics as low output of secondary wastes, high decontamination efficiency and uniform distribution of the surface current of the decontaminated workpieces.

Description

technical field [0001] The invention relates to an ultrasonic electrochemical radioactive pollution decontamination device and method for nuclear facilities, belonging to the field of radioactive waste treatment in the nuclear industry. Background technique [0002] With the rapid development of my country's nuclear power industry, more and more radioactive waste is produced by nuclear power plants. The treatment and decontamination of radioactive waste is an important link to ensure the safe and stable operation of nuclear power components. Due to the large amount of radioactive substances contained in nuclear power plant reactors, they will adhere to the surface of system equipment, tools, grounds, walls, etc. during the operation and maintenance of the power plant, forming radioactive pollution. Therefore, it is necessary to decontaminate radioactive surface contamination. [0003] In foreign countries, during the operation of nuclear power plants, especially during the ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B08B3/12B08B3/08B08B3/10C25F1/04
CPCC25F1/04B08B3/08B08B3/10B08B3/12B08B2203/007
Inventor 臧晗宇陈博金伟刘子豪
Owner 沈阳中科腐蚀控制工程技术有限公司
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