[Retracted] Prediction Model of Hot Metal Silicon Content Based on Improved GA-BPNN

Table 1

The correlation coefficient between control parameters and hot metal silicon content.

Time delays	Coal injection	Air permeability	Hot air temperature	Cold air pressure	Furnace top temperature	Oxygen-enriched flow	Hot metal sulfur content
0	−0.3484	0.65588	−0.1251	0.3501	−0.0632	−0.1287	−0.2107
1	−0.0877	0.24513	0.1040	0.0780	−0.1153	−0.1840	−0.0021
2	0.0958	0.0149	0.2270	−0.2314	−0.2457	−0.1833	0.0013
3	0.1160	0.01286	0.2133	−0.3711	−0.0325	−0.0489	−0.0017
4	0.0033	0.22088	0.1224	−0.2829	−0.0317	0.0126	0.0009
5	−0.1350	−0.2999	0.0344	−0.0886	−0.0170	0.0172	−0.0026