Thermal analysis device for existence state of helium in tritium storage material

A thermal analysis device and state technology, which is applied in the field of thermal analysis devices for the state of helium in tritium storage materials, can solve problems such as unsuitable for helium desorption analysis in tritium storage materials, interference with helium measurement, etc., to achieve outstanding substantive features, Guaranteed safety and significantly improved results
CN112485285APending Publication Date: 2021-03-12INST OF NUCLEAR PHYSICS & CHEM CHINA ACADEMY OF
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
INST OF NUCLEAR PHYSICS & CHEM CHINA ACADEMY OF
Publication Date
2021-03-12

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Abstract

The invention provides a thermal analysis device for the existence state of helium in a tritium storage material. The device comprises a sample chamber, a quadrupole mass spectrometer, a getter bed II, a molecular pump I and a mechanical pump I. Through the reasonable layout design of a vacuum pipeline, desorbed helium atoms are measured by adopting a quadrupole mass spectrometry method; the device overcomes the harsh requirements of the traditional thermal analysis method for directly measuring the analysis precision of the temperature, heat, mass state and the like of the sample, and avoidsinfluence of the phenomena of phase transformation, crystallization, oxidation and the like of the material on helium measurement in the thermal analysis process. Due to the design of the other branchgetter beds, the discharge of tritium to the environment is further reduced, and the technical problems of radiation protection, discharge and the like of tritium are solved.
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Description

technical field

[0001] The invention relates to the field of detection and analysis of tritium materials, in particular to a thermal analysis device for the state of helium in tritium storage materials. Background technique

[0002] Tritium is an important strategic resource, which is generally stored in metals such as uranium, zirconium, cobalt, titanium, and scandium. But tritium has β - Radioactive, it decays continuously to produce helium. Helium is an inert atom, although it is insoluble in metals, it is easily captured by various defects in the material and aggregated into bubbles. With the continuous accumulation of helium, the mechanical properties of tritium storage materials decrease, and aging effects such as swelling, wrinkling, and powder drop occur, thereby losing the tritium storage function. And at the end of aging, the accumulated helium bubbles will burst, causing an "avalanche" release of helium, destroying the vacuum of the tritium storage container, a...

Claims

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