Research trends and prospects of hydrogen-rich ironmaking in blast furnace
Blast furnace ironmaking is the mainstream ironmaking process in the world currently,and it is also the process with the highest energy consumption and emissions in the steel production process.Blast furnace hydrogen-rich ironmaking is key technology for carbon emission reduction in blast furnace ironmaking.The technical route,progress and future planning of hydrogen-rich blast furnace ironmaking demonstration projects at home and abroad are researched.Based on the physical and chemical characteristics of hydrogen-rich fuel and thermodynamic and ki-netic conditions of hydrogen-rich reduction,the advantages of hydrogen-rich blast furnace ironmaking are analyzed.The technical,environmental and economic challenges faced in the development of hydrogen-rich blast furnace iron-making are expounded.The development direction of hydrogen-rich blast furnace ironmaking in the future is forecas-ted.It is beneficial to promote the efficient development and deep application of hydrogen-rich ironmaking technolo-gy.
hydrogen-rich blast furnaceblast furnace ironmakingreplacing carbon with hydrogenhydrogen met-allurgyhydrogen-rich fuel
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