Scholarlink

<p>Sintering is a critical process in steel production that facilitates the efficient utilization of iron ore resources. However, compared to advanced sintering technologies, China’s sintering methods still exhibit high energy consumption, with typical solid fuel consumption for sintering of about 55&#xa0;kg/t. In response, a pellet sintering process has been developed and its behavior has been investigated at sintering bed heights of 750 and 1500&#xa0;mm. Additionally, a technical and economic comparison with traditional sintering methods has been conducted. The results indicate that at a bed height of 750&#xa0;mm, the pellet sintering method can significantly reduce solid fuel consumption by approximately 30.82%, dropping from 70.75 to 48.95&#xa0;kg/t. Additionally, the coke rate decreased from 4.55% to 3.20%, and harmful emissions in the flue gas were also reduced. As the bed height increases to 1500&#xa0;mm, sintering performance improves even further. The coke rate is reduced to 3.00%, and solid fuel consumption decreases to 41.27&#xa0;kg/t, approaching the world’s advanced level (≤ 40&#xa0;kg/t). Technical and economic analysis also indicates that adopting the pellet sintering process can lower sintering costs by about 2.18&#xa0;dollars/t.</p>

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

Application of pellet sintering with deep bed for low-carbon iron ore sintering

  • 期刊论文

  • 发表日期：

    2025年5月28日

查看全文
  • Qing-shi Song,
  • Wei Liu,
  • Zheng-qi Guo

摘要

Sintering is a critical process in steel production that facilitates the efficient utilization of iron ore resources. However, compared to advanced sintering technologies, China’s sintering methods still exhibit high energy consumption, with typical solid fuel consumption for sintering of about 55 kg/t. In response, a pellet sintering process has been developed and its behavior has been investigated at sintering bed heights of 750 and 1500 mm. Additionally, a technical and economic comparison with traditional sintering methods has been conducted. The results indicate that at a bed height of 750 mm, the pellet sintering method can significantly reduce solid fuel consumption by approximately 30.82%, dropping from 70.75 to 48.95 kg/t. Additionally, the coke rate decreased from 4.55% to 3.20%, and harmful emissions in the flue gas were also reduced. As the bed height increases to 1500 mm, sintering performance improves even further. The coke rate is reduced to 3.00%, and solid fuel consumption decreases to 41.27 kg/t, approaching the world’s advanced level (≤ 40 kg/t). Technical and economic analysis also indicates that adopting the pellet sintering process can lower sintering costs by about 2.18 dollars/t.