Inspection device and inspection method for online sipping test equipment
A technology of test equipment and inspection device, applied in the fields of nuclear reactor monitoring, reactor, nuclear power generation, etc., can solve the problems of inability to check the gas circuit, unable to fully simulate the real working conditions of the online sip leak test equipment, affecting the overhaul of nuclear power plants, etc. Effects of reliability and accuracy
Active Publication Date: 2021-04-30
SUZHOU NUCLEAR POWER RES INST +2
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Problems solved by technology
In the radioactivity measurement and inspection project, the current practice is to use Ba-133 point source to inspect the gamma probe, but this inspection method cannot completely simulate the real working conditions of the online sipping and leaking test equipment, and cannot conduct a complete inspection of its gas circuit, so it cannot Judging whether the detection circuit is normal or not brings many uncertain factors to the online sip leak test, and may even affect the overhaul of nuclear power plants
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[0038] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific implementation manners of the present invention will now be described in detail with reference to the accompanying drawings.
[0039] The inspection device of the online sip test equipment provided by the present invention is used to evaluate the performance of the online sip test equipment 4, specifically, evaluate whether the gamma probe in the online sip test equipment is working and its sensitivity; at the same time, It is possible to conduct a complete inspection of the gas circuit where the on-line leak test equipment 4 is located, so as to avoid causing uncertain factors to the online leak test due to pipeline leakage and affecting the overhaul of the nuclear power plant.
[0040] Concretely, the inspection device of the on-line sipping test equipment provided by the present invention may include a sampling system 1 and an inspection syst...
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The invention discloses an inspection device for online sipping test equipment, wherein the inspection device is used for evaluating the performance of the online sipping test equipment and comprises a sampler for collecting waste gas of a nuclear power station; the sampler collects nuclear power station waste gas through a sampling system; and the sampler after collecting the waste gas of the nuclear power station is communicated with online sipping test equipment to form a first inspection system; or the sampler is connected with the online sipping test equipment and an underwater pipeline in series to form a second inspection system. The invention further provides an inspection method for the online sipping test equipment, and the performance of the equipment and the air tightness of a self air loop and an integral air loop are judged by reading the counting rate of the online sipping test equipment. The online sipping test process is truly simulated through the inspection device for the online sipping test equipment, the equipment and the underwater pipeline connected with the equipment are comprehensively inspected through the first inspection system and the second inspection system, and the reliability and accuracy of the online sipping test are improved.
Description
technical field [0001] The invention relates to the field of inspection of nuclear power plant equipment, in particular to an inspection device and inspection method for online sipping test equipment. Background technique [0002] The working principle of the fuel assembly online sipping test equipment is that by lifting the fuel assembly, the pressure difference between the inside and outside of the damaged fuel rod will change, and the radioactive gas will be released into the pool water. The radioactive gas is carried into the collection tank. Use a detector with a gamma probe to detect the Xe-133 radioactive gas content to determine whether the component is damaged. [0003] According to the program requirements of the nuclear power plant, the equipment should undergo multiple performance tests before use to ensure that the performance meets the test requirements. In the radioactivity measurement and inspection project, the current method is to use Ba-133 point source ...
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IPC IPC(8): G21C17/00G21C17/017G21C17/04G21C17/07
CPCG21C17/002G21C17/017G21C17/042G21C17/07Y02E30/30
Inventor 高中宇孙云朱必胜方军田朝晖周府治乔航邹伟聂敏
Owner SUZHOU NUCLEAR POWER RES INST