Anti-corrosion in-situ high-temperature miniature diffractometer
A corrosion-resistant, diffractometer technology, applied in instruments, scientific instruments, material analysis using wave/particle radiation, etc., can solve problems such as lack, and achieve the effect of small weight, compact overall structure, and compact overall structure
Pending Publication Date: 2020-01-14
SHANGHAI INST OF APPLIED PHYSICS - CHINESE ACAD OF SCI
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Problems solved by technology
[0003] The purpose of the present invention is to provide a corrosion-resistant in-situ high-temperature miniature diffractometer, so as to solve the problem of the lack of a device in the prior art that can apply a synchrotron radiation light source to study high-temperature and strong corrosive molten salts
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[0024] The present invention will be further described below in conjunction with specific embodiments. It should be understood that the following examples are only used to illustrate the present invention but not to limit the scope of the present invention.
[0025] combine Figure 1 ~ Figure 4 Shown is a corrosion-resistant in-situ high-temperature micro-diffraction instrument 100 provided according to a preferred embodiment of the present invention. The device includes: main mounting table 1, limit screw 2, sliding shaft 3, main screw rod 4, variable speed motor 5, rotating shaft end cover 6, capillary mounting plate 7, lock nut 8, capillary protective shell 9, sample capillary 10. X-ray transmission hole 11, platinum wire heating furnace 12, heating furnace thermocouple 13, heating furnace electrode 14, heating furnace fine-tuning support plate 15, fine-tuning screw rod 16, connecting block 28, first coupling 29, rotating shaft 30. Rolling bearing 31.
[0026] Among them...
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The invention provides an anti-corrosion in-situ high-temperature miniature diffractometer which comprises a sample capillary tube, a rotating shaft, a first shaft coupler, a variable speed motor, a sliding shaft, a main lead screw and a heating assembly, wherein the first end of the sample capillary tube is connected with the rotating shaft; the rotating shaft is connected with the variable speedmotor through the first shaft coupler; the rotary movement of the sample capillary tube is realized through being driven by the variable speed motor; the sliding shaft is arranged at the outer side of the rotating shaft in a sleeving way; the sliding shaft is connected with the main lead screw through screw threads; the movement of the sample capillary tube in the horizontal direction is realizedby rotating the main lead screw; and the second end of the sample capillary tube is connected with the heating assembly for realizing the sample heating. The invention provides the anti-corrosion in-situ high-temperature miniature diffractometer with the advantages that the multidimensional regulation can be realized; the integral structure is compact; and the anti-corrosion in-situ high-temperature miniature diffractometer can be arranged on an SSRF (Shanghai Synchrotron Radiation Facility) BL14B1 diffraction beamline experimental station and can also be arranged on other line stations for in-situ characterization.
Description
technical field [0001] The invention relates to the field of rotating capillary devices, in particular to a corrosion-resistant in-situ high-temperature miniature diffractometer. Background technique [0002] In recent years, countries all over the world are actively developing the fourth-generation advanced nuclear reactors. my country mainly promotes the thorium-based molten salt reactor nuclear energy system. Since the molten salt flows in the molten salt reactor is a high-temperature molten liquid, and the molten salt is highly chemically corrosive. Combining synchrotron radiation X-ray diffraction, absorption, scattering, imaging and other characterization techniques to observe the interaction process of reactor engineering materials and molten salt at high temperature in situ, and to study the microstructure evolution mechanism of reactor engineering materials in the molten salt strong corrosion environment, but so far There is no facility that can carry out such experim...
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IPC IPC(8): G01N23/207G01N23/20008G01N23/20033
CPCG01N23/207G01N23/20008G01N23/20033G01N2223/056G01N2223/1016G01N2223/3106
Inventor 高梅文闻张兴民雷琦周兴泰高兴宇黄宇营
Owner SHANGHAI INST OF APPLIED PHYSICS - CHINESE ACAD OF SCI