模拟一个多级别的洗机,以提高同时脱硫和脱的效率
Yijie Zeng1, Byoung-Hwa Lee2, Kang-Min Kim3
1School of Mechanical Engineering, Pusan National University, Busan 46241, Republic of Korea.
ACS omega
|April 8, 2024
概括
在喷雾洗机中优化滴滴大小,液体与气体的比率和喷嘴类型可显著提高同时脱硫和脱的效率,这对于工业排放控制至关重要.
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.
- 流体动力学 流体动力学
背景情况:
- 工业排放带来了重大的环境挑战,需要有效的污染控制技术.
- 喷雾洗机广泛用于同时脱硫和脱,但它们的优化需要详细了解操作参数.
- 准确的模拟模型对于预测和改善洗机性能至关重要.
研究的目的:
- 进行模拟研究,在一个多级别的形喷雾清洗器中同时进行脱硫和脱.
- 分析运行参数 (如滴滴大小,液体与气体比,气体流速和喷嘴类型) 对洗机效率的影响.
- 通过实验数据验证模拟模型,并为工业优化提供见解.
主要方法:
- 采用欧勒-拉格朗日框架的双相流动模拟.
- 用用户定义的函数计算的气液质量转移速率.
- 通过将结果与实验数据对脱硫和脱效率进行比较,验证了模拟模型.
主要成果:
- 模拟模型得到了验证,显示了高准确度 (例如,99.90%与99.84%的脱硫,92.01%与90.67%的脱).
- 发现最佳滴滴大小为2毫米,显著提高了脱硫 (99.98%) 和脱 (99.76%) 的效率.
- 增加液体与气体比率 (16 L/m3) 和旋转圆喷嘴进一步提高了效率,而更高的气体流速降低了性能.
结论:
- 经过验证的模拟模型为喷雾洗机性能提供了可靠的见解.
- 优化滴滴大小,液体与气体的比率和喷嘴类型对于最大限度地实现同时脱硫和脱至关重要.
- 这些发现为提高工业规模喷雾洗机运行和减轻环境影响提供了宝贵的指导.
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