Sintering process ore blending optimization method

An optimization method and technology of sintering process, applied in chemical process analysis/design, genetic rules, special data processing application, etc., can solve the problem that ore blending technology relies on manual expert experience, does not consider the properties of mixed ore, etc., to reduce sintering cost , reduce business capabilities, and reduce the effect of data loss

Pending Publication Date: 2019-09-17
ANSTEEL GRP MINING CO LTD
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Problems solved by technology

[0004] The purpose of the present invention is to solve the problem that the existing mixed ore blending technology mainly relies on the experience of manual experts and does not consider the nature of the mixed ore, and provides a method for optimizing the ore blending in the sintering process

Method used

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  • Sintering process ore blending optimization method
  • Sintering process ore blending optimization method
  • Sintering process ore blending optimization method

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Embodiment 1

[0039] Combine below figure 1 , taking the actual situation of a sintering plant as an example, the specific implementation of the present invention is described in detail.

[0040] The sintering process ore distribution optimization method of the present embodiment includes the following steps:

[0041] Step 1: Collect historical data of various physical and chemical indicators of the mixed ore, including total iron grade (TFe), alkalinity (Ro), calcium oxide value (CaO), silicon dioxide value (SiO 2 ), magnesium oxide value (MgO); see Table 1 for historical data of mixed ore;

[0042] Table 1 Historical data of physical and chemical indicators of mixed ore

[0043]

[0044]

[0045] Step 2: Collect historical data of sinter properties corresponding to the mixed ore, including total iron grade, alkalinity, iron oxide value, silica value, calcium oxide value, magnesium oxide value, first-grade product rate, qualified product rate; sintering The historical data of the ...

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Abstract

The invention aims to settle defects in existing ore blending technology of mixed minerals, and provides a sintering process ore blending optimization method, wherein the method belongs to the field of sintering process ore blending technology. The method comprises the steps of collecting historical data from sintering operation; fitting a relation between physical and chemical indexes of mixed minerals and property of agglomerate according to the historical data through an SVR algorithm; deriving and determining a fact that the target function leads to best quality of an agglomerate product through expert experience and a theoretical formula; determining a constrained condition according to a field actual requirement; performing optimization through an NSGAII algorithm, and calculating a most reasonable ore blending plan. Furthermore a sintering ore blending database is established, and an adaptive function of the model is realized. According to the method of the invention, an optimization algorithm is combined with expert experience. Under a precondition that quality of the agglomerate is ensured, the method has advantages of improving first-grade product rate, saving resource and reducing production cost. Furthermore the method changes a current situation that the sintering ore blending operation is finished through artificial calculation and improves working efficiency of an enterprise.

Description

technical field [0001] The invention belongs to the technical field of ore blending in sintering process, and in particular relates to an optimization method for ore blending in sintering process based on model parameter self-adaptation. Background technique [0002] In the sintering process stage, various raw materials (iron ore powder, auxiliary materials, fuel, returned ore and iron-containing production waste, etc.) are mixed in a certain proportion to obtain a mixed ore that meets the requirements, and the mixed ore is sintered at high temperature to form sinter; the mixed ore The ratio of the sintered ore has a decisive effect on the chemical composition index of the sintered ore after sintering, and has an important impact on the physical properties of the sintered ore, while the physical and chemical indicators of the sintered ore affect whether the metal smelting process can be carried out normally. [0003] At present, the ore blending work of mixed ore mainly reli...

Claims

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Application Information

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IPC IPC(8): G16C20/10G06N3/12
CPCG06N3/126G16C20/10Y02P90/30
Inventor 唐学飞高宪文杨光王明顺刘富春张鼎森袁立斌郝得智
Owner ANSTEEL GRP MINING CO LTD
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