期刊
IRONMAKING & STEELMAKING
卷 39, 期 3, 页码 228-233出版社
TAYLOR & FRANCIS LTD
DOI: 10.1179/1743281211Y.0000000085
关键词
BOF; Oxygen blowing quantity; Linear regression; Oxygen balance; Integrated model; Relative error
资金
- National Natural Science Foundation of China [50874014]
- Fundamental Research Funds for Central Universities [FRF-BR-09-020B]
By analysing the factors that affect oxygen consumption during the basic oxygen furnace steelmaking process, a multiple linear regression model for predicting the oxygen blowing quantity was obtained on the basis of actual production data. Additionally, an oxygen balance model for prediction of the oxygen blowing quantity was established on the basis of oxygen balance. These two models were amalgamated to establish an integrated model for prediction of the oxygen blowing quantity. The average relative error of the integrated model is <1%, and the hit rate of the integrated model is 97.14% when the relative errors of the model are within 5%. Relative to the multiple linear regression and the oxygen balance models, the integrated model may provide a more accurate prediction of the oxygen blowing quantity, and thus represents a good reference point for actual production.
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