Slime filter cake moisture influence factor evaluation method based on grey correlation analysis
A technology of gray correlation analysis and influencing factors, which is applied in the direction of instruments, data processing applications, resources, etc., can solve the problems of reducing the water content of the filter cake, and the degree of influence of the water content of the filter cake is not raised, and achieves a small amount of calculation, low quantity requirements, and trial use. wide range of effects
Inactive Publication Date: 2017-11-24
TAIYUAN UNIV OF TECH
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[0004] However, the existing research is to study one or several factors affecting the moisture of the filter cake separately, and it is concluded that each factor has a certain influence on the moisture of the filter cake, and the degree of influence of each factor on the moisture of the filter cake has not been proposed. The purpose of the present invention is to propose a method that can obtain the degree of influence of various factors on the moisture of the filter cake, and then effectively determine the degree of contribution of each factor to the moisture of the filter cake, and provide a theoretical basis for targeted reduction of the moisture of the filter cake in future production practice
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[0027] The specific implementation manners of the present invention will be further described below.
[0028] Implement a kind of coal slime filter cake water influence factor evaluation method based on gray relational analysis provided above-mentioned of the present invention, described method is carried out according to the following steps:
[0029] (1) Determine the influencing factors of coal slime filter cake moisture and obtain the level of the selected influencing factors;
[0030] (2) Determine the filter cake moisture test data at each level of each influencing factor;
[0031] (3) Using the gray correlation analysis method, determine the filter cake moisture and related factor behavior sequence feature reference vector space, and obtain the correlation coefficient of each factor to the filter cake moisture according to the correlation coefficient matrix formula;
[0032] (4) Sort the obtained correlation coefficients to obtain the correlation degree of each factor t...
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The invention relates to a slime filter cake moisture influence factor evaluation method based on grey correlation analysis. The slime filter cake moisture influence factor evaluation method based on grey correlation analysis includes the steps: clearly knowing about the influence factor and the factor level of the slime filter cake moisture; measuring the test data of the filter cake moisture under each factor level; utilizing the grey correlation analysis method to solve the Deng'S correlation degree of each factor between the slime filter cake moisture; and through ordering of magnitude of the correlation degree, clearly knowing about the main influence factor of the slime filter cake moisture. The slime filter cake moisture influence factor evaluation method based on grey correlation analysis has the advantages of simplicity, practicality, low calculated amount, and accurate calculated result, and can effectively determine the significance of each factor on the slime filter cake moisture and provide theoretical basis for effectively reducing the filter cake moisture.
Description
technical field [0001] The invention relates to an analysis method of moisture influencing factors of coal slime filter cake, in particular to an evaluation method of moisture influencing factors of coal slime filter cake based on gray relational analysis. Background technique [0002] With the increasingly serious situation of coal, people's requirements for coal quality are gradually increasing, and among the many quality indicators of coal, moisture plays a decisive role. With the development of coal preparation technology, in most coal preparation plants, wet coal preparation occupies the main position, and the problem brought about by this is that the moisture in the final coal product needs to be removed. In the end, if the moisture content of coal is too high, it will not only bring additional economic burden to transportation, but it is estimated that millions of tons of transportation capacity will be wasted in my country every year due to high moisture content; Thi...
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IPC IPC(8): G06Q10/06G06Q50/02
CPCG06Q10/06393G06Q10/06395G06Q50/02
Inventor 董宪姝樊玉萍孙冬陈茹霞
Owner TAIYUAN UNIV OF TECH
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