A Modeling and Prediction Method of Sintering Ignition Temperature Based on Working Condition Recognition

Abstract

The invention provides a method for modeling and predicting sintering ignition temperature based on working condition identification, which comprises the following steps: using FCM clustering method to cluster multiple working conditions in the ignition process to determine the category of working conditions; to determine the category of working conditions Carry out DBI index calculation, determine the number of working conditions of the sintering ignition process; Based on the different groups of actual data obtained after clustering, set up the ignition temperature prediction model PSO-Elman under each specific working condition determined, the present invention overcomes the ignition process engineering When the conditions change, the accuracy of the single prediction model becomes poor. It can judge whether the ignition process has changed according to the real-time feedback data. If it changes, it can identify the current conditions and switch to the corresponding prediction model for prediction, ensuring long-term The ignition temperature under various working conditions on the time scale can be predicted by the most suitable PSO-Elman prediction model, so as to maintain long-term high-efficiency prediction accuracy.

Description

technical field [0001] The invention relates to the technical field of sintering ignition, in particular to a method for modeling and predicting sintering ignition temperature based on working condition identification. Background technique [0002] The iron and steel industry is an important basic industry for the development of the national economy. Sintering production is an important process in the ironmaking process and the main way to artificially enrich ore. The sinter produced is used for blast furnace smelting. The quality and output of sinter have a direct impact on blast furnace production. , and then affect the effect of the entire ironmaking production. The sintering production process generally includes batching, mixing and granulation, segregation and distribution, ignition, ventilation and sintering, cooling, crushing and screening, etc. Sintering ignition is an important process in sintering production, and the effect of ignition will profoundly affect the qu...

AI Technical Summary

Problems solved by technology

For the research on the ignition temperature prediction model, most of them can only have a good prediction effect when the short-time scale operating conditions are stable, and when the long-term scale operating conditions change, the prediction effect will become worse

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