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Online sipping detection system for integrity detection for fuel element cladding in nuclear power plant

An integrity detection and fuel element technology, applied in nuclear power generation, nuclear engineering, nuclear reactor monitoring, etc., can solve the problems of many intermediate processes, inaccuracy, and cumbersome detection methods, so as to reduce errors, reduce operating space, and improve measurement. The effect of analytics level and automation level

Inactive Publication Date: 2013-08-14
NUCLEAR POWER INSTITUTE OF CHINA
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  • Abstract
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Problems solved by technology

[0003] The purpose of the present invention is to provide an online sipping detection system for nuclear power plant fuel element cladding integrity detection, which solves the inaccurate problems caused by cumbersome steps and many intermediate processes in the existing detection methods

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  • Online sipping detection system for integrity detection for fuel element cladding in nuclear power plant

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Embodiment

[0015] like figure 1 As shown, the online sipping detection system for nuclear power plant fuel element cladding integrity detection of the present invention includes an online sipping device, the output gas of the online sipping device is connected to a nuclear detector, and the output end of the nuclear detector is connected to a control cabinet; Wherein the nuclear detector includes a voltage converter, the output end of the voltage converter is connected to the photomultiplier tube, the output end of the photomultiplier tube is connected to the amplifying circuit, and the output end of the amplifying circuit is connected to the amplifying circuit of the control cabinet; the control cabinet includes an industrial computer , the output end of the amplification circuit is connected to the high-speed AD sampler, the output end of the high-speed AD sampler is connected to the industrial computer, and a touch screen is connected to the industrial computer, the industrial computer...

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Abstract

The invention discloses an online sipping detection system for integrity detection for a fuel element cladding in a nuclear power plant. The online sipping detection system comprises an online sipping device, wherein the output gas of the online sipping device is connected to a nuclear detector, and the output end of the nuclear detector is connected with a control cabinet. According to the online sipping detection system disclosed by the invention, the online sipping device, the nuclear detector and the control cabinet are connected and placed at a control point, and the functions of the three traditional parts are organically combined together, thus reducing the inconvenience brought by the traditional stepwise work; simultaneously, via continuous work, errors existing in the traditional mode are reduced, detection for the cladding tube can be much accurately and objectively performed, and centralized execution for gas sample acquisition, gamma-energy spectrum measurement, and measured signal processing is realized, thus greatly reducing operation space, and greatly raising the measurement analysis level and the automation level of the online sipping detection device for a nuclear fuel loading-unloading and storage system.

Description

technical field [0001] The invention relates to equipment for detecting the integrity of cladding of nuclear power plant fuel elements, in particular to an online sipping detection system for detecting the integrity of cladding of nuclear power plant fuel elements. Background technique [0002] Nuclear power plant reactors need to be shut down for refueling after a cycle of operation. During the refueling period, it is necessary to determine whether the nuclear fuel element cladding is complete. Nuclear power plant fuel element cladding integrity testing is currently widely used in nuclear power plants to determine whether the fuel cladding is damaged after irradiation. Detection method. During the refueling process, if the fuel rod is damaged, the fission gas will be released. By sipping the detected nuclear fuel assembly and measuring its γ-ray energy spectrum, it can be judged whether the nuclear fuel assembly is damaged. The on-line sipping test device for loading, unlo...

Claims

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Application Information

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IPC IPC(8): G21C17/07G01T1/16
CPCY02E30/30
Inventor 付勋如彭宁徐艳辉张宁黄世勇
Owner NUCLEAR POWER INSTITUTE OF CHINA
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