关于多来源有机固体废物的燃烧特征的实验研究,用于使用城市固体废物焚烧炉进行协同处置
Xiaohui Zhuo1, Mi Li1, Qiang Cheng1
1State Key Laboratory of Coal Combustion, Huazhong University of Science & Technology, Wuhan 430074, China.
ACS omega
|January 22, 2024
概括
这项研究表明,将污泥添加到城市固体废物焚烧中,最初会降低炉温,但会增加氧化物排放. 然而,在布料和纸张等其他废物中混合可以提高温度,这表明可控的联合焚烧是可行的.
科学领域:
- 环境工程环境工程
- 废物管理 废物管理
- 燃烧科学 燃烧科学
背景情况:
- 城市固体废物 (MSW) 焚烧对于废物转化为能源至关重要.
- 优化各种有机废物流的炉子条件对于高效和清洁的能源转化至关重要.
- 了解不同类型的废物 (如污泥) 的联合焚烧对燃烧参数的影响至关重要.
研究的目的:
- 为了研究在MSW焚烧过程中不同污泥混合比对炉条件的影响.
- 分析可变负载条件下与污泥共处置的燃烧稳定性.
- 评估混合其他有机废物 (废布,造纸废物) 对温度和排放的影响.
主要方法:
- 在750t/d的城市固体废物焚烧格上进行燃烧试验.
- 不同的污泥混合比率 (0%,10%,20%) 和模拟的可变负载操作.
- 用多种来源的有机固体废物进行实地测试,包括废布和造纸废物,用于协同处置.
主要成果:
- 增加的污泥混合比率导致炉温度降低和燃料类型的氧化物 (NOx) 排放量增加.
- 污泥在低负载下表现出不良的燃烧稳定性,这是由于可变的热量和水分含量.
- 纳入废布和造纸废弃物增加了炉温度和排放性,与火焰温度和氧化物排放正相关.
结论:
- 多种来源的有机固体废物的联合焚烧在MSW焚烧炉中是可行的.
- 在合理的范围内控制不同有机废物的混合率是优化热转换过程的关键.
- 进一步的研究可以完善废物混合策略,以提高燃烧效率和排放控制.
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