
Journal of Northeastern University(Natural Science) ›› 2026, Vol. 47 ›› Issue (1): 107-114.DOI: 10.12068/j.issn.1005-3026.2026.20240127
• Materials & Metallurgy • Previous Articles Next Articles
Xiao-tong LI, Xiao-long SONG, Jin-xin FAN, Zhao-xia WU(
)
Received:2024-05-29
Online:2026-01-15
Published:2026-03-17
Contact:
Zhao-xia WU
CLC Number:
Xiao-tong LI, Xiao-long SONG, Jin-xin FAN, Zhao-xia WU. Prediction Model of BiGRU-Att Sinter Drum Index Based on Hybrid Feature Selection[J]. Journal of Northeastern University(Natural Science), 2026, 47(1): 107-114.
| 参数类型 | 参数序号 | 参数 | 参数序号 | 参数 |
|---|---|---|---|---|
| 原料参数 | 1 3 5 | 石灰粉下料量/( 燃料下料量/( 烧结返矿下料量/( | 2 4 6 | 除尘灰下料量/( 铁粉下料量/( 高炉返矿下料量/( |
| 混合料参数 | 7 9 11 | w(混合料总铁)/% w(混合料氧化钙)/% w(混合料水分)/% | 8 10 | w(混合料五氧化二钒)/% w(混合料二氧化硅)/% |
| 操作参数 | 12 14 16 | 圆辊转速/( 烧结机速度/( 煤气流量/( | 13 15 17 | 九辊转速/( 点火温度/°C 风机风量/( |
| 状态参数 | 18 20 22~35 | 南烟道温度/°C 北烟道温度/°C 14个风箱废气温度/°C | 19 21 36~49 | 南烟道负压/kPa 北烟道负压/kPa 14个风箱负压/kPa |
| 输出参数 | 50 | 烧结矿转鼓指数/% |
Table 1 Main parameters of sintering process
| 参数类型 | 参数序号 | 参数 | 参数序号 | 参数 |
|---|---|---|---|---|
| 原料参数 | 1 3 5 | 石灰粉下料量/( 燃料下料量/( 烧结返矿下料量/( | 2 4 6 | 除尘灰下料量/( 铁粉下料量/( 高炉返矿下料量/( |
| 混合料参数 | 7 9 11 | w(混合料总铁)/% w(混合料氧化钙)/% w(混合料水分)/% | 8 10 | w(混合料五氧化二钒)/% w(混合料二氧化硅)/% |
| 操作参数 | 12 14 16 | 圆辊转速/( 烧结机速度/( 煤气流量/( | 13 15 17 | 九辊转速/( 点火温度/°C 风机风量/( |
| 状态参数 | 18 20 22~35 | 南烟道温度/°C 北烟道温度/°C 14个风箱废气温度/°C | 19 21 36~49 | 南烟道负压/kPa 北烟道负压/kPa 14个风箱负压/kPa |
| 输出参数 | 50 | 烧结矿转鼓指数/% |
| 变量 | 下料量/( | … | 烧结矿转鼓指数/% | |||
|---|---|---|---|---|---|---|
| 石灰粉 | 除尘灰 | 铁粉 | 烧结返矿 | |||
| 均值 | 30.184 | 9.768 | 87.730 | 96.827 | … | 77.167 |
| 最小值 | 11.913 | 0.000 | 0.000 | 50.144 | … | 74.600 |
| 25% | 27.499 | 7.632 | 62.800 | 90.742 | … | 76.900 |
| 50% | 30.038 | 9.875 | 79.648 | 97.459 | … | 77.200 |
| 75% | 32.780 | 12.677 | 124.238 | 103.985 | … | 77.400 |
| 最大值 | 48.753 | 24.248 | 305.117 | 144.376 | … | 79.400 |
Table 2 Basic information of raw sintering data
| 变量 | 下料量/( | … | 烧结矿转鼓指数/% | |||
|---|---|---|---|---|---|---|
| 石灰粉 | 除尘灰 | 铁粉 | 烧结返矿 | |||
| 均值 | 30.184 | 9.768 | 87.730 | 96.827 | … | 77.167 |
| 最小值 | 11.913 | 0.000 | 0.000 | 50.144 | … | 74.600 |
| 25% | 27.499 | 7.632 | 62.800 | 90.742 | … | 76.900 |
| 50% | 30.038 | 9.875 | 79.648 | 97.459 | … | 77.200 |
| 75% | 32.780 | 12.677 | 124.238 | 103.985 | … | 77.400 |
| 最大值 | 48.753 | 24.248 | 305.117 | 144.376 | … | 79.400 |
| 过程参数 | MIC值 | 过程参数 | MIC值 |
|---|---|---|---|
| 风机风量 | 0.218 0 | 1号风箱负压 | 0.125 7 |
| 铁粉下料量 | 0.213 2 | 3号风箱废气温度 | 0.121 7 |
| 5号风箱负压 | 0.213 0 | 燃料下料量 | 0.119 7 |
| 石灰粉下料量 | 0.201 0 | 20号风箱废气温度 | 0.118 4 |
| 7号风箱负压 | 0.190 4 | w(混合料水分) | 0.105 3 |
| 13号风箱负压 | 0.180 2 | 南烟道负压 | 0.099 5 |
| 烧结机速度 | 0.160 7 | 2号风箱废气温度 | 0.098 7 |
| 1号风箱废气温度 | 0.150 4 | 21号风箱废气温度 | 0.095 9 |
| 11号风箱负压 | 0.146 1 | 22号风箱废气温度 | 0.086 8 |
| 9号风箱负压 | 0.145 5 | 5号风箱废气温度 | 0.079 4 |
| 烧结返矿下料量 | 0.135 3 | 22号风箱负压 | 0.077 3 |
| 7号风箱废气温度 | 0.133 2 | 北烟道温度 | 0.076 2 |
| 2号风箱负压 | 0.133 1 |
Table 3 Top 25 parameters of MIC calculation
| 过程参数 | MIC值 | 过程参数 | MIC值 |
|---|---|---|---|
| 风机风量 | 0.218 0 | 1号风箱负压 | 0.125 7 |
| 铁粉下料量 | 0.213 2 | 3号风箱废气温度 | 0.121 7 |
| 5号风箱负压 | 0.213 0 | 燃料下料量 | 0.119 7 |
| 石灰粉下料量 | 0.201 0 | 20号风箱废气温度 | 0.118 4 |
| 7号风箱负压 | 0.190 4 | w(混合料水分) | 0.105 3 |
| 13号风箱负压 | 0.180 2 | 南烟道负压 | 0.099 5 |
| 烧结机速度 | 0.160 7 | 2号风箱废气温度 | 0.098 7 |
| 1号风箱废气温度 | 0.150 4 | 21号风箱废气温度 | 0.095 9 |
| 11号风箱负压 | 0.146 1 | 22号风箱废气温度 | 0.086 8 |
| 9号风箱负压 | 0.145 5 | 5号风箱废气温度 | 0.079 4 |
| 烧结返矿下料量 | 0.135 3 | 22号风箱负压 | 0.077 3 |
| 7号风箱废气温度 | 0.133 2 | 北烟道温度 | 0.076 2 |
| 2号风箱负压 | 0.133 1 |
| 参数类型 | 参数名称 |
|---|---|
| 原料参数 | 铁粉下料量 燃料下料量 |
| 混合料参数 | w(混合料水分) |
| 操作参数 | 烧结机速度 |
状态参数 | 北烟道温度 5号风箱负压 13号风箱负压 22号风箱负压 1号风箱废气温度 7号风箱废气温度 3号风箱废气温度 20号风箱废气温度 21号风箱废气温度 22号风箱废气温度 5号风箱废气温度 |
Table 4 Optimal characteristic parameters
| 参数类型 | 参数名称 |
|---|---|
| 原料参数 | 铁粉下料量 燃料下料量 |
| 混合料参数 | w(混合料水分) |
| 操作参数 | 烧结机速度 |
状态参数 | 北烟道温度 5号风箱负压 13号风箱负压 22号风箱负压 1号风箱废气温度 7号风箱废气温度 3号风箱废气温度 20号风箱废气温度 21号风箱废气温度 22号风箱废气温度 5号风箱废气温度 |
| 过程参数 | Spearman值 | 过程参数 | Spearman值 |
|---|---|---|---|
| 1号风箱负压 | 0.332 5 | 9号风箱负压 | 0.234 7 |
| 11号风箱负压 | -0.326 3 | 烧结机速度 | 0.227 6 |
| 5号风箱负压 | 0.311 7 | 南烟道温度 | -0.205 0 |
| w(混合料水分) | -0.289 6 | 烧结返矿下料量 | 0.200 4 |
| 2号风箱负压 | 0.283 2 | 南烟道负压 | 0.176 0 |
| 石灰粉下料量 | 0.269 3 | 高炉返矿下料量 | -0.168 8 |
| 13号风箱负压 | 0.265 6 | 风机风量 | 0.132 0 |
| 铁粉下料量 | -0.243 7 |
Table 5 Top 15 parameters of Spearman calculation
| 过程参数 | Spearman值 | 过程参数 | Spearman值 |
|---|---|---|---|
| 1号风箱负压 | 0.332 5 | 9号风箱负压 | 0.234 7 |
| 11号风箱负压 | -0.326 3 | 烧结机速度 | 0.227 6 |
| 5号风箱负压 | 0.311 7 | 南烟道温度 | -0.205 0 |
| w(混合料水分) | -0.289 6 | 烧结返矿下料量 | 0.200 4 |
| 2号风箱负压 | 0.283 2 | 南烟道负压 | 0.176 0 |
| 石灰粉下料量 | 0.269 3 | 高炉返矿下料量 | -0.168 8 |
| 13号风箱负压 | 0.265 6 | 风机风量 | 0.132 0 |
| 铁粉下料量 | -0.243 7 |
| 模型 | 特征选择方法 | eMA | eMS | eRMS |
|---|---|---|---|---|
| LightGBM | Spearman | 0.127 4 | 0.034 4 | 0.185 4 |
| MIC | 0.120 5 | 0.031 6 | 0.177 8 | |
| 混合特征选择 | 0.107 4 | 0.025 0 | 0.158 0 | |
| KNN | Spearman | 0.151 0 | 0.047 6 | 0.218 2 |
| MIC | 0.141 6 | 0.141 6 | 0.210 4 | |
| 混合特征选择 | 0.129 1 | 0.035 8 | 0.189 3 | |
| BPNN | Spearman | 0.199 9 | 0.075 5 | 0.274 7 |
| MIC | 0.261 6 | 0.117 1 | 0.342 2 | |
| 混合特征选择 | 0.196 4 | 0.070 7 | 0.265 9 | |
| BiGRU-Att | Spearman | 0.046 0 | 0.008 6 | 0.092 6 |
| MIC | 0.043 1 | 0.008 3 | 0.091 0 | |
| 混合特征选择 | 0.037 4 | 0.007 9 | 0.089 1 |
Table 6 Comparison of prediction performance for
| 模型 | 特征选择方法 | eMA | eMS | eRMS |
|---|---|---|---|---|
| LightGBM | Spearman | 0.127 4 | 0.034 4 | 0.185 4 |
| MIC | 0.120 5 | 0.031 6 | 0.177 8 | |
| 混合特征选择 | 0.107 4 | 0.025 0 | 0.158 0 | |
| KNN | Spearman | 0.151 0 | 0.047 6 | 0.218 2 |
| MIC | 0.141 6 | 0.141 6 | 0.210 4 | |
| 混合特征选择 | 0.129 1 | 0.035 8 | 0.189 3 | |
| BPNN | Spearman | 0.199 9 | 0.075 5 | 0.274 7 |
| MIC | 0.261 6 | 0.117 1 | 0.342 2 | |
| 混合特征选择 | 0.196 4 | 0.070 7 | 0.265 9 | |
| BiGRU-Att | Spearman | 0.046 0 | 0.008 6 | 0.092 6 |
| MIC | 0.043 1 | 0.008 3 | 0.091 0 | |
| 混合特征选择 | 0.037 4 | 0.007 9 | 0.089 1 |
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