关于废物焚烧炉中低热值废物燃烧稳定控制性能的模拟研究
Qian Wang1, Dehong Gong1, Zhengguang Huang1
1Electrical Engineering College, Guizhou University, Guiyang 550025, China.
ACS omega
|December 16, 2024
概括
低热量废物焚烧需要稳定的燃烧控制,以防止二氧化碳的形成. 生物质联合燃烧提供了无碳的解决方案,提高了炉温度,并确保了足够的烟气停留时间,以便进行更清洁的焚烧.
科学领域:
- 环境工程 环境工程
- 化学工程是化学工程的重要组成部分.
- 燃烧科学 燃烧科学
背景情况:
- 低热量废物焚烧带来了过程不稳定性和有毒二氧化碳生成的挑战.
- 优化燃烧条件对于有效的废物转化为能源和环境保护至关重要.
研究的目的:
- 调查低热量废弃物对焚烧炉温度分布和清洁性的影响.
- 评估生物质和天然气稳定燃烧对二氧化物抑制的有效性.
- 在低热量废物焚烧中开发和验证生物质辅助稳定燃烧的控制模型.
主要方法:
- 使用FLIC和Fluent软件在每天600废物焚烧炉上的数值模拟.
- 废物焚烧清洁指数的定义和分析.
- 生物质和天然气稳定燃烧策略的比较研究.
主要成果:
- 废物的热量降低显著降低了焚烧清洁度指数,降至0.96的4739 kJ/kg.
- 在高温区,烟气停留时间低于2秒,不足以有效抑制二氧化.
- 生物质联合燃烧是一种无碳能源,与天然气相比,有效提高炉温并减少碳排放.
结论:
- 稳定的燃烧控制对于不稳定的低热量废物焚烧至关重要.
- 一个经过验证的生物质混合控制模型确保烟气停留时间超过2秒,实现有效的二氧化碳抑制.
- 生物质联合燃烧是一种可持续的方法,可以提高废物焚烧效率和环境性能.
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