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| Design of Selective Catalytic Reduction Denitrification System For Biomass Boiler Based on CFD Simulation |
| Received:September 07, 2025 Revised:December 01, 2025 |
| DOI：10.11980/j.issn.0254-508X.2026.05.018 |
| Key Words:SCR denitrification numerical simulation flow field |
| Author Name | Affiliation | Postcode | | WU Jing* | 1China Light-Industry International Engineering Co., Ltd., Beijing, 100026 | 100026 | | JIAO Sha | 2Zhejiang Hailu Zhongling lenergy Technology Co., Ltd., Hangzhou, Zhejiang Province, 310051 | 310051 | | LUO Zunfu | 1China Light-Industry International Engineering Co., Ltd., Beijing, 100026 | 100026 | | ZHANG Yongzhi | 1China Light-Industry International Engineering Co., Ltd., Beijing, 100026 | 100026 |
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| Abstract:A three-dimensional model of flue gas denitrification system of 150 t/h biomass boiler was established by CFD simulation technology to evaluate the flow field distribution of selective catalytic reduction (SCR) denitrification system reactor and the flue gas. The design of the guide plate， ammonia injection grille， rectifier grille， and reactor were optimized to ensure that the key evaluation indicators such as flue gas velocity deviation， velocity deviation angle， concentration deviation， temperature deviation， and pressure distribution all met the design requirements. A reasonable design scheme for the denitrification system and flue was established， and the external structure of the flue gas denitrification system， as well as the shapes and layout of inlet flue， ammonia injection system， rectifier， etc. were determined. |
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