Underwater radiation monitoring method and system

Abstract

The invention discloses an underwater radiation monitoring method and system. The underwater radiation monitoring system comprises a detecting module, a pulse processing module, an energy spectrum analyzing module and a power supply module, wherein the detecting module is used for detecting rays emitted by radiating particles in the water and converting the rays into electric pulse signals, and the detecting module comprises a plurality of detectors; the pulse processing module is used for amplifying and screening the electric pulse signals to generate pulse energy spectrum data; the energy spectrum analyzing module is used for analyzing pulse energy spectrum data by an anticoincidence method and a virtual efficiency graduation program to obtain nuclide activity concentration of radioactive substances; and the power supply module is used for supplying power to the detecting module, the pulse processing module and the energy spectrum analyzing module. According to the system of the embodiment of the invention, the plurality of the detectors are used for converting the rays emitted by the radiating particles in the water into electric pulse signals for monitoring, and the energy spectrum analyzing module is used for analyzing the measured signals, so that the nuclide activity concentration of radioactive substances is identified, the measuring efficiency and the nuclide distinguishing effect of the system are improved, and the influences of the environment radioactive factors to the measured result are lowered.

Description

technical field [0001] The invention relates to the field of radiation, in particular to an underwater radiation monitoring method and system. Background technique [0002] With the rapid development of nuclear energy and nuclear technology, nuclear safety has gradually been paid attention to by people. Among them, emergency radiation monitoring is an essential emergency response action in nuclear emergency preparedness and response, which can provide a basis for the detection and evaluation of radiation accidents, as well as the decision-making of accident control and mitigation actions and emergency radiation protection actions. [0003] At present, the existing methods used in the monitoring of radioactive environment in water include underwater in-situ γ-ray spectroscopy and laboratory sample analysis. Among them, the laboratory sample analysis method is a routine monitoring method for liquid effluents from nuclear power plants. Because the content of radionuclides in ...

AI Technical Summary

Problems solved by technology

However, the existing gamma energy spectroscopy measurement method usually uses a single probe for radiation measurement, which has the problem of limited measurement efficiency, and its measurement results are easily affected by environmental radioactive factors.

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