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A method for detecting the grade of antimony sulfide mineral in flotation foam layer

A detection method and antimony sulfide technology, applied in the field of spectral analysis, can solve the problems of difficulty in detecting the level of foam minerals in a flotation cell, and achieve the effects of eliminating instrument fluctuations, reducing the dimension of spectral data, and improving accuracy and prediction speed.

Active Publication Date: 2017-08-04
CENT SOUTH UNIV
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Problems solved by technology

[0004] The purpose of the present invention is to solve the problem that the mineral grade in the foam of the flotation cell is difficult to detect during the flotation process, and proposes a method for detecting the grade of the antimony sulfide mineral in the flotation foam layer

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  • A method for detecting the grade of antimony sulfide mineral in flotation foam layer
  • A method for detecting the grade of antimony sulfide mineral in flotation foam layer
  • A method for detecting the grade of antimony sulfide mineral in flotation foam layer

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Embodiment Construction

[0020] Raman spectroscopy is a spectral detection technology that requires less sample preparation, and the acquisition speed of the spectrum is fast. The most important thing is that the Raman spectrum of the water component in the froth is very weak, so the sample is processed during the detection of the mineral grade of the froth in the flotation tank. Relatively simple, very suitable for mineral level detection of flotation tank foam in flotation process.

[0021] Such as figure 1 and figure 2 As shown, the specific implementation of the flotation cell foam layer mineral grade detection method is as follows:

[0022] The content of antimony sulfide in the foam of the flotation cell is also called the mineral grade of the foam layer of the flotation cell. Several samples of different mineral grades in the foam layer of the flotation cell are collected during the flotation process. In the laboratory, ICP (Inductively Coupled Plasma) is used to ) method to determine the ex...

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Abstract

The invention discloses a method for detecting the grade of antimony sulfide mineral in a flotation foam layer. The present invention is based on Raman spectrum technology, establishes a quantitative calculation model for the grade of antimony sulfide minerals on the basis of measuring standard samples, and extracts characteristic values ​​from the collected foam layer Raman spectrum data and substitutes them into the established quantitative calculation model to finally obtain antimony sulfide mineral grade. The detection method described in the present invention establishes a quantitative calculation model of antimony sulfide by extracting characteristic values ​​of Raman spectrum data of given foam layer samples at different grades, and obtains the content of antimony sulfide in the foam layer of the flotation cell. The grade of antimony sulfide ore in the foam layer in the flotation cell is an important production and assessment index in the flotation process, which directly determines the recovery rate of antimony sulfide and provides an important index for the whole process control of antimony flotation.

Description

technical field [0001] The invention belongs to the field of spectral analysis, in particular to a method for detecting the grade of antimony sulfide minerals in a flotation foam layer. Background technique [0002] Mineral flotation is the most widely used beneficiation method in mineral processing. Mineralization and foaming are carried out through extremely complex physical and chemical reaction processes. The application of mineral flotation is to improve the grade of raw ore and meet the requirements of mineral reduction smelting. Over the years, mineral flotation has mainly relied on skilled workers to manually adjust the flotation operation by observing the characteristics of the foam in the flotation tank. However, due to the rotation of personnel and the subjectivity of the adjustment, the adjustment process cannot accurately judge the characteristics of the foam, resulting in the operation The subjectivity and arbitrariness of the flotation process make it difficu...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N21/65
Inventor 阳春华蔡耀仪徐德刚吴晨曦李原鹰朱红求李勇刚桂卫华
Owner CENT SOUTH UNIV
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