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Research on High Efficiency Energy Conversion Technology for Modern Hot Blast Stove

机译：现代热风炉高效能源转换技术研究

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摘要

High blast temperature is one of the important technical characteristics of modern blast furnace (BF), which is also an important technical approach for the green development of ironmaking. Increase blast temperature can improve and promote the BF operation smooth and stable, reduce coke rate, fuel consumption and CO_2 emission. Top combustion hot blast stove technology has been applied in Shougang Jingtang's 5500 m~3 BF for 8 years. Under the condition of burning single BF gas, high efficiency energy conversion and over 1250°C high blast temperature have achieved. The combustion and heat transformation process were researched by numerical simulation technology to optimize the structure design. The high efficiency annular ceramic burner and checker brick were developed and applied, the flue gas waste heat was recovered and reused to preheat the combustion air and gas. Prominent achievement of high blast temperature under the condition single BF gas burning has been realized.
机译：高爆炸温度是现代高炉（BF）的重要技术特征之一，这也是炼铁绿色发展的重要技术方法。提高爆炸温度可以改善和促进BF操作光滑稳定，降低焦炭率，燃料消耗和CO_2排放。顶级燃烧热风炉技术已应用于首港景塘的5500米〜3 BF 8年。在燃烧单一BF气体的条件下，高效能量转换和超过1250°C的高爆发温度已经实现。通过数值模拟技术研究了燃烧和热变换过程，以优化结构设计。开发和施加高效率环形陶瓷燃烧器和检查砖，回收烟道气体废热并重复使用以预热燃烧空气和气体。已经实现了单一BF气体燃烧条件下高爆发温度的显着成果。

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