Special X-ray fluorescence energy spectrometer for high-precision cement industry

An X-ray, high-precision technology, applied in the field of X-ray fluorescence detection, can solve the problems of high failure rate, high maintenance cost, and high cost

Active Publication Date: 2016-04-20
BEIJING ANCHOR WISDOM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the wavelength dispersive X-ray fluorescence spectrometer has the disadvantages of extremely complex and expensive equipment, high failure rate and high maintenance cost.

Method used

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  • Special X-ray fluorescence energy spectrometer for high-precision cement industry
  • Special X-ray fluorescence energy spectrometer for high-precision cement industry
  • Special X-ray fluorescence energy spectrometer for high-precision cement industry

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A special X-ray fluorescence energy spectrometer for high-precision cement industry, such as image 3 As shown, it includes an X-ray tube 1, a diffraction crystal 6, a sample stage 4, and a detector 5, and the diffraction crystal 6 is an all-focus hyperboloid curved crystal prepared by Ge(111) crystal; the all-focus hyperboloid curved crystal The radius of the Rowland circle is R300mm; the X-ray tube 1 is an X-ray tube with an air-cooled thin beryllium window of 50W, the focal spot of the X-ray tube is 100 μm-350 μm, and the target material used in the X-ray tube is an Ag target material; The sample stage 4 is provided with a spin mechanism 3 for automatic rotation of the sample stage 4; the diffraction crystal, the sample stage, and the detector are all placed in the vacuum airtight space 2, so that the entire optical path propagates in the vacuum environment.

[0019] The X-ray fluorescence energy spectrometer in this embodiment, the optical path is in a vacuum enviro...

Embodiment 2

[0028] The high-precision X-ray fluorescence spectrometer dedicated to the cement industry in this embodiment is different from Embodiment 1 in that the radius of the Rowland circle of the all-focus hyperboloid curved crystal used is 50 nm.

[0029] In this embodiment, the radius of the Rowland circle of the all-focus hyperboloid curved crystal can be arbitrarily selected between 50 nm and 300 nm.

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Abstract

The invention relates to the technical field of X-ray fluorescence detection and particularly discloses a special X-ray fluorescence energy spectrometer for the high-precision cement industry. The special X-ray fluorescence energy spectrometer comprises an X light pipe, a diffraction crystal, a sample stage and a detector, wherein the diffraction crystal is a full-focus bent crystal with double curved surfaces and is prepared from a Ge(111) crystal; the X light pipe adopts an Ag target material; the diffraction crystal monochromatizes an Ag:La ray of an X light pipe primary spectrum and focuses the Ag:La ray to a sample detection surface to stimulate light elements difficult to stimulate in a sample. Meanwhile, the X light pipe primary spectrum stimulates fluorescent rays GE:Ka and Ge:Kb of Ge to stimulate heavy elements easy to stimulate in a sample. The continuous background of a detector is very low, and all elements of raw materials in the cement production process can be accurately analyzed.

Description

technical field [0001] The invention relates to the technical field of X-ray fluorescence detection, in particular to a high-precision X-ray fluorescence spectrometer dedicated to the cement industry. Background technique [0002] The industrial process of cement production is to mix limestone, clay, iron powder and other raw materials in a certain proportion through the batching control system to obtain cement raw meal through raw meal grinding, and then calcinate the cement raw meal in a cement kiln to obtain cement clinker. The process of mixing raw materials, admixtures, retarders, etc. according to a certain ratio and grinding them through cement mills to obtain finished cement. Raw materials, raw materials, clinker and cement in the industrial process of cement production require chemical composition analysis. First of all, the ratio of raw materials should be set according to the chemical composition of the raw materials, and the ratio of raw materials must be adjust...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N23/223
CPCG01N23/223
Inventor 刘小东滕云李伯伦
Owner BEIJING ANCHOR WISDOM TECH
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