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Method and system for monitoring radioactive substances in nuclear power plant control room

A technology of radioactive substances and control rooms, applied in the field of nuclear power, can solve the problems of inability to trigger protective facilities in time to control occupational exposure, inability to monitor and evaluate internal exposure, etc., and achieve effective alarm processing and good technical effects

Inactive Publication Date: 2014-12-24
中广核工程有限公司 +1
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Problems solved by technology

In this monitoring method, the air intake radioactivity monitor in the control room uses an ionization chamber to measure the absorbed dose rate of the air, which can only measure the gamma rays produced by the decay of radioactive substances, and only reflect external exposure, and cannot monitor and evaluate the internal radiation that continues to be produced after radioactive substances are inhaled into the human body. Exposure, unable to trigger protective facilities in time to control occupational exposure

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  • Method and system for monitoring radioactive substances in nuclear power plant control room
  • Method and system for monitoring radioactive substances in nuclear power plant control room
  • Method and system for monitoring radioactive substances in nuclear power plant control room

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Embodiment Construction

[0040] In order to make the purpose of the invention, technical solution and beneficial technical effects of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be emphasized that the specific implementations described in this specification are only for explaining the present invention, and are not intended to limit the application occasions of the present invention.

[0041] Please refer to figure 2 , figure 2 A method for monitoring radioactive substances in a control room of a nuclear power plant is provided. include:

[0042] Step 201, collect the activity concentration of radioactive substances in the air in the control room of the nuclear power plant.

[0043] Wherein, the radioactive substance includes at least one of aerosol, radioactive iodine and inert gas.

[0044] Specifically, the activity concentrations of aerosols, radioac...

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Abstract

The invention discloses a method for monitoring radioactive substances in a nuclear power plant control room. The method comprises the following steps: acquiring activity concentration of radioactive substances in air of the nuclear power plant control room; monitoring whether the external irradiation dose and internal irradiation dose of the control room reach values which harm a human body; if so, transmitting an alarm signal. A comprehensive and reliable technology for monitoring and processing the radioactive substances in the nuclear power plant control room is realized. In addition, the invention also discloses a system for monitoring radioactive substances in the nuclear power plant control room.

Description

technical field [0001] The invention belongs to the technical field of nuclear power, and in particular relates to a method and system for monitoring radioactive substances in a control room of a nuclear power plant. Background technique [0002] Generally, nuclear power plants are equipped with a control room for the following activities: safely operate the nuclear power plant under various working conditions; safe state of the power plant or return it to a safe state. Operators in the main control room may be exposed to overexposure in an accident due to the above activities. In order to prevent the personnel in the control room from being exposed to excessive exposure and ensure their personal safety, relevant regulations require that appropriate measures be taken and sufficient information be provided to protect the personnel in the control room. The occupational exposure of staff in any one year shall not exceed 50mSv (including external exposure and internal exposure...

Claims

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Application Information

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IPC IPC(8): G21C17/00
CPCY02E30/30
Inventor 孙瑜王骄亚刘洪涛李磊周新建凌君温小梅李公杰何国伟陈政涛
Owner 中广核工程有限公司
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