The project was completed on March 28, 2025, and officially put into production on March 30. According to calculations, it can achieve more than 10% energy savings, saving the enterprise more than 3.75 million yuan in costs every year, and effectively promoting the green development and cost reduction and efficiency improvement of Nanjing Iron & Steel Group.
Project scale and goals
The project was completed on March 28, 2025, and officially put into production on March 30.
Energy-saving and consumption reduction effect
Through calculation, it can achieve more than 10% energy saving, saving more than 3.75 million yuan in costs for enterprises every year, and effectively promoting the green development and cost reduction and efficiency improvement of Nanjing Iron & Steel Group.
Construction challenges and solutions
The project requires the removal of 1,872 old heat exchange components, the installation of 1,248 new heat exchange components, and the replacement of the top radial sealing component.
Construction efficiency
On the 6th day of downtime, all the removal and installation of heat exchange components were completed. On the 7th day, the installation and inspection of sealing components were completed, and on the 8th day, the flue restoration and finishing work were completed.



