摘要
分析现阶段我国高炉炼铁工艺各环节涉及的碳排放因子,研究高炉降碳潜能。提出了改善原料结构,推动大球比冶炼、用生物质煤等清洁能源部分取代高炉传统化石能源、推广除尘灰压块技术等多项具体的高炉降碳措施。对高炉氢能冶金的降碳效果进行了评估和可行性分析,并对传统的高炉长流程冶炼和新型去高炉短流程冶炼进行能耗对比,挖掘现有装备和工艺技术条件下高炉最大的降碳能力,探索高炉降碳的新工艺、新技术,旨在助力我国高炉炼铁实现低碳、高效、绿色、可持续发展,早日实现碳达峰和碳中和的发展目标。
This paper analyzes the carbon emission factors involved in various links of blast furnace ironmaking process at present in China,and studies the potential of carbon reduction of blast furnace.Several specific measures for reducing carbon in blast furnace,such as improving the raw material structure,promoting smelting with large ball ratio,partially replacing the traditional fossil energy of blast furnace with clean energy such as biomass coal,and promoting the technology of dust removal and ash briquetting,were put forward.The carbon reduction effect of hydrogen energy metallurgy of blast furnace was evaluated and feasibility analysis was made,and the energy consumption of traditional blast furnace long process smelting and new blast furnace short process smelting was compared,the maximum carbon reduction capacity of blast furnace under the conditions of existing equipment and process technology was excavated,and new processes and technologies for carbon reduction of blast furnace were explored,aiming to help China's blast furnace ironmaking achieve low-carbon,efficient,green and sustainable development,and achieve the development goals of carbon peaking and carbon neutralization at an early date.
作者
贾玉波
Jia Yubo(Tieqian Management Center of Jingye Group,Shijiazhuang Hebei 050000)
出处
《山西冶金》
CAS
2022年第8期56-58,141,共4页
Shanxi Metallurgy
关键词
高炉
降碳
氢能冶金
生物质煤
电炉
blast furnace
carbon reduction
hydrogen energy metallurgy
biomass coal
electric furnace