Large container part leakage detection system and leakage detection method thereof

Abstract

The invention discloses a large container part leakage detection system and a leakage detection method thereof. The device comprises a detection device used for placing a detected large container part, the vacuum acquisition system is connected with the detection device and provides vacuum for the detection device; a leak detector which is connected with the detection device and used for capturingleaked helium, a pipe valve system which is connected with the large container component and the detection device, the helium cylinder is connected with the pipe valve system and used for providing helium for the large container component, and the standard leak hole is connected with the detection device and the leak detector when the detection device and the leak detector are calibrated. The detection tank is composed of at least one detection cylinder, and the detection tank can be adjusted according to the size of a detected large container part; the bottom of the detection tank is provided with the supporting device facilitating movement of the detection device, in addition, the leakage detection system and the leakage detection method thereof have the advantages of being short in period, high in precision, stable in performance, high in sensitivity and the like, and leakage detection can be conducted on large container components with the air leakage rate smaller than 5 * 10 <-12> Pa.m < 3 > / s.

Description

technical field [0001] The invention relates to a large container component detection, in particular to a large container component leak detection system and a leak detection method thereof. Background technique [0002] In the hydrogen isotope engineering technology research platform, a large number of pressure system devices and vacuum systems are involved in the construction of large-scale systems such as hydrogen energy, nuclear fission and fusion energy, heavy water tritium extraction, large-scale hydrogen isotope separation, and tritium-related comprehensive experimental platforms Vacuum and pressure leak detection of components. In order to avoid accidents and ensure the safe use of experimental parts, how to detect leaks in large airtight containers and systems and reduce energy consumption has become the focus of scientific research personnel. These equipment parts and other containers are relatively large, and the simple leak detection method cannot be realized. A ...

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Problems solved by technology

However, the use of ammonia is limited due to its irritation to humans, its corrosiveness to certain metals, and the emission of large amounts of ammonia gas.

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