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Decontamination equipment and pipeline decontamination method

A technology for pipelines and equipment, applied in the field of decontamination equipment and pipeline decontamination, can solve the problems of long decontamination construction period, incomplete chemical decontamination of nuclear circuits, and unsatisfactory decontamination effect, so as to reduce the labor intensity of decontamination, The effect of shortening the decontamination period, reducing personnel radiation protection risks and industrial risks

Active Publication Date: 2021-02-19
中广核工程有限公司 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Aiming at the problems existing in the prior art, the present invention provides a decontamination equipment and a pipeline decontamination method, which are used to solve the problem of incomplete chemical decontamination of the nuclear circuit in the prior art and the long decontamination period leading to unsatisfactory decontamination effect technical problem

Method used

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  • Decontamination equipment and pipeline decontamination method
  • Decontamination equipment and pipeline decontamination method
  • Decontamination equipment and pipeline decontamination method

Examples

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Effect test

Embodiment 1

[0069] see figure 1 and figure 2 , the present embodiment provides a decontamination device 10 , including a housing 11 with a receiving space, a circuit module disposed inside the housing 11 , and an ultrasonic generator assembly 12 disposed on the surface of the housing 11 . The circuit module includes a main control circuit 13 and an ultrasonic drive circuit 14 , the main control circuit 13 is connected to the ultrasonic drive circuit 14 , and the ultrasonic drive circuit 14 is connected to the ultrasonic generator assembly 12 . The ultrasonic driving circuit 14 is used to receive the decontamination control signal from the main control circuit 13 , and drive the ultrasonic generator assembly 12 to generate decontamination ultrasonic waves to clean the inner wall of the pipeline 30 .

[0070] The working principle of the decontamination device 10 provided in this embodiment can be:

[0071] The main control circuit 13 and the ultrasonic drive circuit 14 in the decontamin...

Embodiment 2

[0090] see Figure 5 : present embodiment also provides a kind of pipeline decontamination method, can use the decontamination equipment 10 shown in embodiment one (referring to Image 6 ), which includes:

[0091] Step S10: Obtain the pipeline drawing information and decontamination period information of the pipeline 30 to be decontaminated. The decontamination device 10 can receive nuclear circuit piping drawing information and decontamination cycle information through the wireless communication module 22, and can also obtain nuclear circuit piping drawing information and decontamination cycle information through other data receiving methods.

[0092] Step S20: According to the pipeline drawing information and the decontamination cycle information, generate ultrasonic waves and travel along the preset pipeline 30 path under the impetus of the ultrasonic waves. The main control circuit 13 of the decontamination device 10 drives the ultrasonic generator 121 to generate ultra...

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Abstract

The invention relates to the technical field of nuclear loop decontamination, and provides decontamination equipment. The equipment comprises a shell with an accommodating space, a circuit module arranged in the shell, and an ultrasonic generator assembly arranged on the surface of the shell; the circuit module comprises a main control circuit and an ultrasonic driving circuit; the main control circuit is connected with the ultrasonic driving circuit; the ultrasonic driving circuit is connected with the ultrasonic generator assembly; the ultrasonic driving circuit is used for receiving a decontamination control signal of the main control circuit and driving the ultrasonic generator assembly to generate decontamination ultrasonic waves to clean the inner wall of a pipeline. The decontamination ultrasonic waves generated by the ultrasonic generator assembly resonate with pollutants on the inner wall of the pipeline, so that the pollutants on the inner wall of the pipeline fall off from the inner wall of the pipeline, and physical decontamination is achieved. The invention further provides a pipeline decontamination method. When the decontamination equipment is applied to the pipelinefilled with a decontamination liquid, physical and chemical combined decontamination can be realized, so that the decontamination efficiency for the inner wall of the pipeline is improved.

Description

technical field [0001] The invention relates to the technical field of nuclear circuit decontamination, in particular to a decontamination device and a pipeline decontamination method. Background technique [0002] The impurities contained in the coolant and the products corroded in the main circuit flow through the core with the coolant, and are activated by neutron irradiation, and then these activated products are deposited on the surface in contact with the coolant, and finally manifested as unit operation After a long time, there will be activation products attached to the inner wall of the nuclear circuit pipeline, which is not easy to remove. During the overhaul during the operation of the unit, and before the dismantling of the final decommissioning stage, decontamination of the nuclear circuit is required. For example, the decontamination process of the whole system is widely used. To reduce the radiation protection risk faced by personnel during demolition, it is ...

Claims

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Application Information

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IPC IPC(8): B08B3/12B08B13/00
CPCB08B3/12B08B13/00
Inventor 钟香斌张学岭杨林君霍明李俊苹
Owner 中广核工程有限公司