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Method and system for optimizing cement raw material adjustment

A technology for cement raw materials and adjustment quantities, applied in the field of material allocation optimization control, can solve problems such as inconsistent allocation strategies, and achieve the effects of reducing disturbance, ensuring stability, and strong applicability

Active Publication Date: 2022-05-03
EAST CHINA UNIV OF SCI & TECH
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Problems solved by technology

In addition, considering that there are different ratios of three components and four components in the ratio of raw materials in the cement production line, resulting in inconsistent deployment strategies

Method used

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  • Method and system for optimizing cement raw material adjustment
  • Method and system for optimizing cement raw material adjustment
  • Method and system for optimizing cement raw material adjustment

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Embodiment Construction

[0073] The invention realizes the adjustment of the proportioning scheme of the raw materials according to the detection of the raw material three rate values. Firstly, the compound composition in the raw meal is estimated through the current detected three-rate value, and then the model is used to estimate the change of the mixed raw meal composition and the corresponding three-rate value under a given adjustment amount, and the three-rate value falls into the Specify the interval as the target to optimize the formula adjustment amount.

[0074] figure 1 The general flowchart of the method for optimizing cement raw material adjustment amount of the present invention, specifically comprises the following steps:

[0075] (1) Collect the three rate values ​​of cement raw materials, including lime saturation coefficient, silicon rate and aluminum rate,

[0076] (2) Estimate the content of compound in the cement raw material according to the cement raw material three rate value ...

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Abstract

The invention relates to a method for optimizing cement raw material allocation based on differential adjustment. In this method, the blending model is used to predict the change of raw material composition ratio after formula adjustment, and the different blending modes of three-ingredients and four-ingredients are considered comprehensively to determine the constraints of the blending optimization model. By introducing the relaxation factor, the planning goal that is more in line with the actual demand is determined, and the adjustment amount of the cement raw material formula is obtained by solving the optimization model; the composition matrix is ​​corrected online and in real time through the forgetting factor. This method can effectively improve the operation precision and reduce the fluctuation of the three rate values.

Description

technical field [0001] The invention relates to a material allocation optimization control technology, in particular to a formula ratio adjustment scheme and system for cement raw material mixing. Background technique [0002] In the process of cement production, in order to ensure the quality of cement clinker, it is necessary to ensure the stability of the three ratios in cement clinker. In general, because the proportion of fly ash in the firing process is relatively low, and the proportion of components in it is relatively stable, so , in practical applications, it is often only necessary to ensure the stability of the raw meal three-rate value in a short period of time. [0003] Since the compound composition in raw meal fluctuates greatly, real-time detection is difficult and costly, and there is a lag between detection and adjustment, therefore, the formula cannot be determined directly based on the compound composition of the current raw material. In addition, due t...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B7/36
CPCC04B7/36
Inventor 钱锋钟伟民朱远明梅华杜文莉
Owner EAST CHINA UNIV OF SCI & TECH