NOUFERROUS METALLURGICAL EQUIPMENT

To address the issues of low energy utilization efficiency and ineffective recovery of low-temperature waste heat in copper smelting acid production systems, this study proposes an optimized waste heat recovery process based on thermal exchange principles. Through the application of key equipment including steam generators and high-temperature absorption towers, the system achieves cascade utilization of waste heat. By replacing production water with desalinated water, the quality of sulfuric acid is significantly improved. After commissioning of the recovery unit at SDIC Jincheng Metallurgy, steam production reached 40t/h with annual economic benefits of approximately 26 million yuan. The system demonstrates effective control of equipment corrosion while reducing circulating water power consumption by 560kWh/h. The research provides technical references for energy conservation and emission reduction in the copper smelting industry.