Method for evaluating public toxicity impact of consequences of nuclear facilities accidents

An evaluation method, a technology for nuclear facilities, applied in measurement devices, instruments, scientific instruments, etc.

Active Publication Date: 2019-04-12
CHINA INST FOR RADIATION PROTECTION
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0005] In the past, the assessment of nuclear facilities was mainly based on the assessment of the impact of radiation on the environment, and the assessment of the impact of toxic compounds (nuclides and toxic compounds) on the public toxicity has not been systematically introduced

Method used

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  • Method for evaluating public toxicity impact of consequences of nuclear facilities accidents

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Embodiment Construction

[0041] In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved clearer, the technical solutions of the embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0042] refer to figure 1 , figure 1 It is a schematic flow chart of an embodiment of the method of the present invention. The method comprises the steps of:

[0043] Step 101: Analyzing the accident state.

[0044] Firstly, analyze the accident state, including: analyzing the production process, effluent monitoring and environmental monitoring da...

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Abstract

A method for evaluating the public toxicity impact of consequences of nuclear facilities accidents includes the following steps: (1) accident state analysis; (2) radionuclide toxicity analysis and index determination; (3) identification of key resident groups and representative individuals; (4) radiation effects caused by radioactive gaseous effluents and estimation of compound concentration; and(5) accident consequence evaluation. The method provided by the present invention includes not only radiation environmental impact assessment, but also toxicity assessment of toxic compounds (nuclidesand toxic compounds) to the public. In the nuclear accident consequence evaluation, the result can be more accurate.

Description

technical field [0001] The invention belongs to the field of nuclear technology, and in particular relates to a method for evaluating the public toxicity impact of nuclear facility accident consequences. Background technique [0002] Generally, nuclear fuel cycle facilities will discharge certain radioactive gaseous effluents to the environment during normal operation and possible accidents. After the radioactive gaseous effluent is purified by the filter system, it enters the atmosphere in the form of radioactive aerosol. Through atmospheric diffusion, the specific activity of radioactive aerosols on the ground can be monitored at different distances from the discharge point. In GB18871-2002 "Basic Standards for Ionizing Radiation Protection and Radiation Source Safety", the toxicity grouping of nuclides is listed, and nuclides are divided into extremely toxic groups, high toxic groups, poisonous groups and low toxic groups, etc., listed in the standard The released nucli...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01T1/167
CPCG01T1/167
Inventor 康晶潘伟廉冰李洋王彦王猛董豫阳苏自强陈海龙刘畅于志翔
Owner CHINA INST FOR RADIATION PROTECTION
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