【摘要】 通过对文丘里水膜除尘器的模拟试验 ,探讨了嘴喷在不同喷水流量下的总除尘效率和对不同粒径的分级除尘效率 ,得出了该种除尘器能有效去除5 μm以上的飞灰颗粒的结论 ,在正常运行条件下 ,该除尘器除尘效率可达 98%以上。影响该除尘器效率的关键是运行中喷嘴容易堵塞 ,导致喷水不均匀 ,使除尘效率大幅降低 ,据此研制了稳定、不停运自动反洗的过滤系统 ,解决了这一问题更多还原

【Abstract】 The total collecting efficiency of different spray flow rate and the fractional collecting efficiency for different diameter particles are studied through simulation experiment of Venturi water film precipitator. Test result shows that this kind of precipitator can effectively remove dust particles with diameter of 5μm and above. In normal cases, the collecting efficiency of the precipitator can be up to 98%. As the main problem influencing the efficiency of dust removal is that the nozzle is subject to plugging, resulting in uneven spray and remarkable decrease of collecting efficiency, the paper develops a filtering system to resolve the problem, which can operate continuously and backwash automatically.更多还原