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Method for Determination of Chemical Composition in Blast Furnace Hot Metal by X-ray Fluorescence Spectrometry

A technology of fluorescence spectroscopy and blast furnace molten iron, which is applied in the field of metallurgical chemical analysis and test, can solve the problems of many links, many consumption of reagents, and difficult operation, and achieves the effects of high accuracy and precision, fast analysis speed and short analysis time.

Inactive Publication Date: 2011-12-14
TANGSHAN JIANLONG IND CO LTD
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Problems solved by technology

The traditional chemical analysis method is complicated to operate and can only be analyzed element by element. It has many links, takes a long time, is difficult to operate, consumes a lot of reagents, and has poor repeatability. It is not conducive to guiding production and cannot meet the needs of fast-paced production.

Method used

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  • Method for Determination of Chemical Composition in Blast Furnace Hot Metal by X-ray Fluorescence Spectrometry
  • Method for Determination of Chemical Composition in Blast Furnace Hot Metal by X-ray Fluorescence Spectrometry

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Embodiment approach

[0014] 1. Main equipment:

[0015] a) Wavelength dispersive X-ray fluorescence spectrometer:

[0016] The detector is a scanning gas flow proportional counter and a scintillation counter;

[0017] Maximum power: 4kW;

[0018] b) Sample preparation equipment:

[0019] MY-200 type abrasive belt machine

[0020] 2. Selection of standard samples

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Abstract

The invention relates to a method for measuring chemical components in molten iron of a blast furnace by using an X-ray fluorescence spectroscopic analysis method, and belongs to the technical field of metallurgical chemical analysis tests. The technical solution is: including the following process steps: the blast furnace molten iron sample is determined by ICP-AES analysis method and infrared absorption method for its chemical composition, and several samples are determined as standard samples. The ray fluorescence spectrometer scans and draws the working curve, and calculates the content of the chemical components by measuring the intensity of the sample. The positive effects of the present invention are: scientificity, advancement, applicability, generalizability, short analysis time, high accuracy, good repeatability, no pollution, etc. The verification of correctness shows that the method has extremely high Accuracy and Precision.

Description

technical field [0001] The invention relates to a method for measuring chemical components in molten iron of a blast furnace by using an X-ray fluorescence spectroscopic analysis method, and belongs to the technical field of metallurgical chemical analysis tests. Background technique [0002] In iron and steel enterprises, the molten iron smelted in the blast furnace is not only the product of the blast furnace, but also the main raw material for downstream steelmaking. Its quality directly affects the steelmaking process and the final steel quality. The content of chemical components is very important. The traditional chemical analysis method is complicated to operate, can only analyze element by element, has many links, takes a long time, is difficult to operate, consumes a lot of reagents, and has poor repeatability, which is not conducive to guiding production and cannot meet the needs of fast-paced production. Contents of the invention [0003] The object of the pres...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N23/223
Inventor 崔宏利李飞王占祥王晓峰李丽军张东升李张华梁玉东
Owner TANGSHAN JIANLONG IND CO LTD
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