Anti-radiation method and system for distributed electric heating annealing and photo-thermal annealing

Abstract

The invention provides an anti-radiation method and system for distributed electric heating annealing and photo-thermal annealing. The invention comprises a control module, a signal light source and nhigh-power lasers. The signal light source and the n high-power lasers are connected with the control module. The invention also comprises a light fusion module connected with the signal light sourceand the n high-power lasers, a photoelectric composite cable and a photoelectric detector, wherein the photoelectric composite cable and a photoelectric detector are connected with the light fusion module. The invention also comprises an optical fiber sensor connected with the photoelectric composite cable, an acquisition card connected with the photoelectric detector, and an upper computer connected with the acquisition card, and the control module is connected with the upper computer and the optical fiber sensor. According to the invention, electric heating annealing and photo-thermal annealing are used for reducing and eliminating the problem of severe degradation of precision and measurement distance of the optical fiber sensor caused by radiation attenuation in a radiation environment, and the reliability and accuracy of measurement of the optical fiber sensor are ensured.

Description

technical field [0001] The invention belongs to the field of anti-radiation technology, and in particular relates to a method and system for anti-radiation of distributed electrothermal annealing and photothermal annealing. Background technique [0002] With the vigorous development of nuclear power technology in the country, the safety of nuclear installations has become an important challenge for the construction and development of nuclear power. Due to the special working conditions of nuclear radiation, sensors are required to have decades of continuous service capability. Therefore, extremely stringent requirements are put forward for the sensor's ability to withstand harsh environments and long-term stable working ability, which has not been well resolved for a long time, and is a long-standing problem in the field of engineering testing. In order to ensure the safety and reliability of nuclear installations, many process parameters need to be monitored in real time du...

AI Technical Summary

Problems solved by technology

However, in the nuclear irradiation environment, the radiation will cause the radiation-induced damage effect of the optical fiber, and new defect centers, namely color centers, will be generated inside the optical fiber. Loss is radiation attenuation, which seriously deteriorates the measurement accuracy and measurement distance of fiber optic sensors

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