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The method used in the investigation of the radiation source item of the metal frame of the discarded air filter in the nuclear power plant

An air filter and metal frame technology, which is applied in the field of radioactive waste treatment and disposal, can solve the problems of high construction risk, long construction period and poor economy.

Active Publication Date: 2019-01-08
CNNC NUCLEAR POWER OPERATION MANAGEMENT +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to solve the problems of inconvenient maintenance, long construction period, high construction risk, harsh construction environment and poor economy of the existing debris filter, and provide a split spliced ​​debris filter

Method used

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  • The method used in the investigation of the radiation source item of the metal frame of the discarded air filter in the nuclear power plant
  • The method used in the investigation of the radiation source item of the metal frame of the discarded air filter in the nuclear power plant
  • The method used in the investigation of the radiation source item of the metal frame of the discarded air filter in the nuclear power plant

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Embodiment Construction

[0038] A method for investigating the radiation source item of the metal frame of the discarded air filter of the nuclear power plant according to the present invention will be further introduced below in conjunction with the accompanying drawings and embodiments.

[0039] Such as figure 1 As shown, a method for the investigation of the radiation source item of the metal frame of the discarded air filter of the nuclear power plant includes the following steps:

[0040] Step 1: Investigation of the range of contamination nuclides in each relevant system of the nuclear power plant;

[0041] Collect relevant data on nuclear power plants and determine the scope of pollution nuclides. Specifically include the following steps:

[0042] (1) data collection;

[0043] Collect information on the main radionuclides of airborne radioactive effluents in the environmental impact report and final safety analysis report of the nuclear power plant, the model of the discarded air filter of t...

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Abstract

The invention, which belongs to the technical field of radioactive waste processing, particularly relates to a method for radiation source item investigation of a metal frame of a scrapped air filter of a nuclear power plant. The invention aims at providing a method for radiation source item investigation of a metal frame of a scrapped air filter of a nuclear power plant. The method comprises steps of contamination nuclide scope investigation of all correlated systems of a nuclear power plant, primary radioactive contamination nuclide investigation of a scrapped air filter, and investigation and verification of radioactive contamination nuclide in a metal frame. With the method, types and activity and concentration information of the radionuclide may existing in the metal frame of the filter can be obtained accurately, efficiently, and economically; and thus a technical support can be provided for realizing clearance work of the scrapped air filter of the nuclear power plant.

Description

technical field [0001] The invention belongs to the technical field of radioactive waste treatment and disposal, and in particular relates to a method for investigating radiation source items of metal frames of scrapped air filters in nuclear power plants. Background technique [0002] my country's nuclear power plants produce a considerable number of scrapped air filters every year. Because they are only slightly polluted by radioactivity, the level of radioactive pollution is low, and the metal frames produced have reuse value. Most of the metal frames can be separated from the radioactive waste supervision system according to the clearance requirements and reused as general materials. Through the cleaning and decontrol operation of the metal frame of the scrapped air filter, the amount of radioactive waste can be reduced, the recycling and reuse of waste can be promoted, the management cost of radioactive waste in nuclear power plants can be reduced, and the economic bene...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01T1/167G01T1/178G01N23/00
Inventor 康云鼎张涛革邬强周光来
Owner CNNC NUCLEAR POWER OPERATION MANAGEMENT
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