关于焦炭和铁矿石与不同厚度层之间的高温相互作用的研究
Yong-Hong Wang1,2, Ping Du1, Jiang Diao2
1Institute Research of Iron & Steel of Sha-Steel, Zhangjiagang 215625, China.
Materials (Basel, Switzerland)
|March 28, 2024
概括
在高炉中增加焦炭层厚度可以提高气体透性和运行效率,特别是低质量的铁矿石. 仔细控制焦炭厚度对于稳定的高炉运行至关重要.
科学领域:
- 金工程 金工程 金工程
- 化学工程是化学工程的重要组成部分.
背景情况:
- 焦炭对于高炉 (BF) 结构和气体透性至关重要.
- 焦炭和铁矿石之间的高温相互作用影响了BF的运行,特别是矿石质量下降.
研究的目的:
- 为了研究不同厚度层的焦炭和铁矿石之间的高温相互作用.
- 了解焦炭层厚度对气体透性和高炉运行的影响.
主要方法:
- 利用一个滴炉来模拟高温相互作用.
- 开发了一种气体透性的数学模型.
- 在溶液损失反应后分析了焦炭的金属学图像.
- 引入了用于化金属评估的滴滴固有值.
主要成果:
- 增加焦炭层厚度在特定条件下提高了气体透性.
- 接口上的焦炭颗粒大小表明了融化损失反应的程度 (较小的大小=更大的损失).
- 由于不受控制的厚度,金属的滴滴特性可能会恶化.
结论:
- 焦炭层厚度显著影响高炉气体的透性和运行稳定性.
- 优化焦炭层厚度对于减轻铁矿石质量差的挑战至关重要.
- 根据操作指标和化金属的行为,建议限制焦炭层厚度.
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