SHI Qingxin, SUN Dawei, YANG Jing, et al. Flue duct optimization for integration of induced draft fan and booster fan[J]. Thermal power generation, 2014, 43(12): 130-135.
SHI Qingxin, SUN Dawei, YANG Jing, et al. Flue duct optimization for integration of induced draft fan and booster fan[J]. Thermal power generation, 2014, 43(12): 130-135.DOI:
引、增压风机合并改造的烟道优化
摘要
针对火电机组锅炉引风机、增压风机合并改造后管网烟道系统的优化问题
提出了以数值模拟为核心
结合工程实际改造经验
进行综合评估的管网优化设计方法
并将其应用于300 MW机组引风机的改造工程中。改造后
烟道阻力在满负荷下由468Pa降至了193Pa
吸收塔入口烟气流动均匀性得到改善
风机节能效果显著。
Abstract
Against the flue duct optimization after integration of induced draft fan and booster fan in thermal power plants
a numerical simulation based design method combining with the practical retrofitting experience for flue duct optimization was put forward and then applied in the induced fan retrofitting for a300 MW unit.The results show that optimizing the flue arrangement and adding appropriate guide plates lead to a pronounced energy-saving effect with reduced flue losses as well as improved flow uniformity at the inlet of the absorbing tower.