Automatically adjustable online X fluorescence dispersion analyzer light path system

Abstract

The invention provides an automatically adjustable online X fluorescence dispersion analyzer light path system. A crystal table and a crystal holder are installed in a light splitting shell. A light splitting crystal is arranged on the crystal holder. The crystal holder can rotate. The rotation angle of the crystal holder is adjusted by controlling the rotation of a gear disc through a servo motor, the rotation angle of the crystal holder is indirectly recorded through a motor control module, and the optimal rotation angle of the crystal holder is determined by processing a counting rate-rotation angle spectrum. By controlling the servo motor, the light path is automatically adjusted, so that the effect of the whole light path is optimal, the situation that the analysis precision of an instrument is reduced due to the influence of adverse factors such as environment temperature change and vibration is avoided, the maintenance workload is reduced, and the instrument does not need to be opened for manual adjustment.

Description

Technical field [0001] The present invention relates to the field of online analysis component of an industrial material, particularly, to an automatically adjustable online X-ray fluorescence analyzer dispersive optical system. Background technique [0002] X-ray fluorescence spectroscopy is a rapid, non-destructive method for measuring the substance. X-ray fluorescence is excited by the high energy X-rays or gamma rays bombarding the material of the secondary X-rays. This phenomenon is widely used for elemental analysis and chemical analysis, especially in the metals, glass, ceramics and building materials of investigation and research, geochemistry, forensics, archeology and art, such as paintings and murals. [0003] Also known as X-ray fluorescence spectrometer XRF spectrometers, dispersive and non-dispersive divided into two kinds. Dispersive divided into wavelength dispersive and energy dispersive. Wavelength dispersive X-ray fluorescence spectrometer with the fluorescent ...

AI Technical Summary

Problems solved by technology

Due to the precise structure of the spectroscopic system of the wavelength dispersion analyzer, it is currently suitable for laboratory analysis. However, if it is used for industrial online detection and analysis, due to the harsh conditions of some industrial production sites, such as large fluctuations in ambient temperature and continuous Vibration or large amplitude, etc., have seriously affected the application effect of the wavelength dispersion analyzer in the industrial field

[0006] In particular, after the wavelength dispersion analyzer has been operated in the industrial field for a period of time, with the influence of temperature changes and vibrations, the reflective focusing state of the spectroscopic crystal on the X-fluorescence will change, which will reduce the effective X-fluorescence intensity received by the detector and affect the analysis. precision

The current maintenance method for this kind of phenomenon is that the staff disassemble the analyzer and use manual adjustments, and the site is subject to unfavorable conditions such as large moisture, dust, and narrow space, which makes debugging very difficult

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