Table 2
Validation of the metallurgical unit models of the steel mill Linz.
| Parameter | Relative error in % [(simulated-real)/real] |
|---|---|
| BF gas temperature in °C | +7.41% |
| BF gas heating value in kWh/Nm3 dry | −0.32% |
| BF gas volumetric flowrate in kWh/Nm3 dry | +0.83% |
| BF slag rate in kg/t hot metal | +2.01% |
| BF slag basicity B2 in − | +0.05% |
| BF flue gas temperature hot blast stoves in °C | +1.43% |
| BF gas turbine electrical power in MW | +0.53% |
| BOF oxygen demand in Nm3/h | +0.15% |
| BOF scrap to hot metal ration in − | −1.19% |
| BOF gas heating value in kWh/Nm3 dry | −3.02% |
| BOF gas volumetric flowrate in Nm3/h | +8.49% |
| BOF slag rate in kg/t CS | −0.85% |
| Coke yield in t/h dry | −0.04% |
| Coke oven gas lower calorific value in kWh/Nm3 0°C | −0.45% |
| Coke oven gas volumetric flowrate in Nm3/h wet 25°C | +4.31% |
| By-products BTX production in t/h | +0.19% |
| By-products Tar production in t/h | +2.24% |
| Sinter net production in t/h | +0.48% |
| Sinter B2 basicity in − | +2.00% |
| Sinter off-gas CO2 content in vol.% | +0.49% |
| Sinter off-gas CO content in vol.% | −7.87% |
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