冶金工程中低碳炼铁技术的工艺优化与碳排放分析

Key Points

• The study aims to optimize low-carbon ironmaking technologies to reduce carbon emissions in the metallurgical industry.
• Optimized raw material structure by increasing pellet proportion and using biomass to replace fossil fuels.
• Upgraded energy systems through recovering waste heat from blast furnace gas and coupling hydrogen with electricity.
• Achieved precise control of reaction processes by dynamically adjusting blast furnace parameters and enhancing hydrogen utilization efficiency.
• Utilized digital tools like digital twins simulation and AI for carbon flow monitoring.
• Carbon emissions from high-carbon ironmaking reduced by 94.9 kg per ton of iron.
• Direct reduction technology showed a carbon reduction potential of 75%-85%.
• Achieving over 25% direct emission reduction through coordinated process optimization.