Dust distribution of solid and adhesive mixed dust in a granular bed filter |
| |
| Institution: | 1. School of Energy and Environment Engineering, University of Science and Technology, Beijing, China;2. Beijing Engineering Research Centre of Energy Saving and Environmental Protection, China;1. Institute of Applied Physics and Computational Mathematics, Beijing 100094, China;2. Center for Combustion Energy, Key Laboratory for Thermal Science and Power Engineering of Ministry of Education, Department of Energy and Power Engineering, Tsinghua University, Beijing 100084, China;3. Smoore International Holdings Ltd., Shenzhen 518102, China;1. Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China;2. Department of Chemical and Biochemical Engineering, Western University, Ontario N6A 5B9, Canada;1. Fuels Research Center, Department of Chemical Technology, Faculty of Science, Chulalongkorn University, 254 Phyathai Road, Wangmai, Pathumwan, Bangkok 10330, Thailand;2. Program in Petrochemistry and Polymer Science, Faculty of Science, Chulalongkorn University, 254 Phyathai Road, Wangmai, Pathumwan, Bangkok 10330, Thailand;3. Center of Excellence on Petrochemical and Materials Technology, Chulalongkorn University, 254 Phyathai Road, Wangmai, Pathumwan, Bangkok 10330, Thailand;4. Advanced Computational Fluid Dynamics Research Unit, Chulalongkorn University, 254 Phyathai Road, Wangmai, Pathumwan, Bangkok 10330, Thailand |
| |
| Abstract: | Granular bed filters can effectively filter adhesive dust in high-temperature flue gas. In this study, polyvinyl chloride (PVC) powder was used as adhesive dust, and the mixture of PVC and ash powder was used to simulate solid and adhesive mixed dust. The effects of gas temperature, velocity, and inlet adhesive dust mass content on dust distribution in granular bed (GBF) were discussed. Results show that the mixed dust mainly accumulates on the upper part of the granular bed, and the mass of the collected dust decreases exponentially from the upper layer to the bottom layer in the GBF. The adhesive dust content collected in each layer differs from that of the incoming dust, and their deviation varies approximately linearly along with the depth of the bed. The total dust distribution and adhesive dust content deviation are influenced by gas temperature and inlet adhesive dust content but independent of gas velocity. The correlations of dust distribution of solid and adhesive mixed dust are presented based on the experimental results. |
| |
| Keywords: | Adhesive dust Dust distribution Hot gas Granular bed filter |
| 本文献已被 ScienceDirect 等数据库收录！ |
|
