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在生物质的流化床燃烧过程中惰性材料的质量管理
Marta Wesolowska1, Krystian Wisniewski1, Jaroslaw Krzywanski2
1Department of Regional Studies, University of Lodz Branch in Tomaszow Mazowiecki, Konstytucji 3 Maja 65/67, 97-200 Tomaszow Mazowiecki, Poland.
Materials (Basel, Switzerland)
|January 28, 2026
概括
保持稳定的惰性床材料质量,特别是粒子大小分布 (PSD),对于高效的生物质流化床燃烧至关重要. 最佳PSD (150-200μm) 确保了稳定的炉运行,并防止了聚合风险.
科学领域:
- * 燃烧工程 燃烧工程
- * 材料科学 材料科学
- * 流体动力学 流体动力学
背景情况:
- * 循环流化床 (CFB) 炉中的惰性床材料对于传热和稳定的运行至关重要.
- *通常使用的石英砂,由于磨损,烧结和灰涂层,随着时间的推移而降解.
- *降解会改变颗粒大小分布 (PSD),对流化,温度均性产生负面影响,并增加聚合风险.
研究的目的:
- *分析生物质燃烧CFB系统中惰性床材料的质量管理策略.
- * 调查PSD对炉水力动力学和热性能的影响.
- * 为了确定稳定的CFB操作的关键PSD范围.
主要方法:
- *分析CFB炉的工业运行数据.
- * 分析以确定颗粒大小分布 (PSD).
- *在代表性的操作条件下进行计算流体动力学 (CFD) 模拟.
主要成果:
- * 150-200微米的平均粒子直径范围被确定为稳定循环和均温度场的关键.
- *较粗的床材减少固体循环,导致分离,增加局部温度,增加聚合风险.
- * 生物质类型和灰特性影响最佳床材管理策略.
结论:
- *系统地控制惰性床材料质量对于可靠,高效和低排放的生物质燃烧CFB炉运行至关重要.
- *颗粒大小分布 (PSD) 是管理炉水力动力学和热性能的一个关键参数.
- * 需要有效的床材监测,再生和化策略.
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