关于洗时间,洗温度和颗粒大小对大米皮燃烧和灰形成特征的影响的实验研究
Shuo Yang1, Jintao Luo1, Yu Gao1
1Laboratory of Liaoning Province for Clean Combustion Power Generation and Heating Supply Technology, Shenyang Institute of Engineering, Shenyang 110136, China.
ACS omega
|January 1, 2025
概括
在燃烧前清洗大米 (RH) 提高了它的效率,减少了废渣. 预处理条件,如洗时间,温度和颗粒大小显著影响燃烧和灰 properties,提高整体性能.
科学领域:
- 生物质能源是生物质的能源.
- 燃烧科学是一种科学.
- 材料科学是一种材料科学.
背景情况:
- 生物质的直接燃烧,如大米 (RH),面临挑战,包括低燃烧效率和灰.
- 有效的预处理方法对于优化生物质燃料性能至关重要.
- 了解预处理参数对燃烧和灰特性的影响对于有效利用至关重要.
研究的目的:
- 调查洗前处理条件对大米的燃烧和灰形成特征的影响.
- 分析洗时间 (WTI),洗温度 (WTE) 和颗粒大小对RH燃烧行为的影响.
- 为了评估洗预处理后灰成分和融性质的变化.
主要方法:
- 米样本经过各种洗预处理条件,包括洗时间,温度和颗粒大小的变化.
- 用热重力测量分析 (TGA) 和其他相关技术分析了燃烧特性.
- 研究了灰形成特征,包括金属含量和灰融化的行为.
主要成果:
- 洗预处理显著改变了RH燃烧特性,在洗温度 (WTE) 和洗时间 (WTI) 之间有显著的合效应.
- 颗粒大小和WTI共同影响了挥发性释放特征,而WTE影响了点火温度,易燃性指数和燃烧温度.
- 洗减少了约15%的灰质,并有效地去除了金属,特别是在洗后的RH粉中,改善了灰点并减少了渣.
结论:
- 洗预处理是一种有效的策略,可以提高大米的燃烧性能,并减轻与灰相关的问题.
- 优化WTI,WTE和颗粒大小允许对燃烧行为和灰特性进行定制控制.
- 金属的减少和高点复合盐的形成有助于改善灰质量和减少渣.
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