Five Patents Approved! Annec Reaches New Heights in Blast Furnace Hot Blast Stove Technology

   At the beginning of the new year, Annec has been granted five national patents, marking another milestone in its relentless pursuit of innovation in blast furnace hot blast stove technology. The newly authorized patents include: “Disturbance-Free Stove Switching and Exhaust Gas Recovery Technology,” “Kiln-Drying Method for Top-Combustion Hot Blast Stoves,” “Regenerative Gas Heating Furnace,” “Anti-Displacement Structure for Grate Beams,” and “Novel Burner Structure for Retrofitting Internal Combustion Hot Blast Stoves to Top-Combustion Systems.” These achievements underscore Annec’s unwavering commitment to technological advancement and its leading position in the research and development of blast furnace hot blast stove technologies.

Since its establishment in 2003, Annec has consistently prioritized technological innovation as the core driver of its growth. By continuously increasing R&D investments, assembling a high-caliber team led by industry experts, and fostering collaborations with renowned universities and research institutions, Annec has emerged as a pivotal player in the blast furnace hot blast stove sector. Its independently developed technologies have been widely adopted by domestic and international steel enterprises, delivering significant economic and social benefits.

The five newly approved patents address critical technical challenges in blast furnace hot blast stove systems, offering substantial application value and market potential:

1. Disturbance-Free Stove Switching and Exhaust Gas Recovery Technology: Resolves issues such as pressure fluctuations and energy waste during traditional stove switching, enhancing operational efficiency and energy utilization.
2. Kiln-Drying Method for Top-Combustion Hot Blast Stoves: Reduces kiln-drying time and costs while improving drying quality.
3. Regenerative Gas Heating Furnace: Leverages novel regenerator structures and high-efficiency heat exchange technology to boost gas heating efficiency and reduce energy consumption.
4. Anti-Displacement Structure for Grate Beams: Prevents beam displacement, ensuring operational stability and extending equipment lifespan.
5. Retrofitted Burner for Internal-to-Top-Combustion Conversion: Enables cost-effective upgrades of legacy internal combustion stoves, improving thermal efficiency and environmental performance.

   Moving forward, Annec will uphold its operational philosophy of “integrity as the foundation, quality for survival, and innovation-driven development.” The company will intensify R&D efforts in blast furnace hot blast stove technologies, launch more proprietary innovations, and contribute to the industry’s technological progress and high-quality growth.(By Wang Panfeng)