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安徽省芜湖县万春排灌站是该县最大的排灌站、该站有2个宽3米高4米的进水口,为了防止杂草、树枝和动物等进入水泵,在进水口设置了拦污栅。由于拦污栅经常被污物堵塞,使拦污栅前后产生水头差,造成水泵吸空、机器振动和效率下降,并加速叶轮汽蚀。尤其在汛期,大量污物涌来时,由于人力清污困难,拦污栅常被压垮,甚至被迫
Wanchun Irrigation and Drainage Station in Wuhu County, Anhui Province, is the largest irrigation and drainage station in the county. There are 2 inlet ports with a width of 3 meters and a height of 4 meters. In order to prevent weeds, branches and animals from entering the water pump, Grid. As the trash rack is often clogged with dirt, the trash rack produces a difference in head and back, causing the pump to become empty, reducing machine vibration and efficiency, and accelerating impeller cavitation. Especially in the flood season, when a large amount of dirt comes in, the trash rack is often crushed and even forced down due to the difficulty of manpower cleaning.