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为了使滤池每次冲洗时少排掉些滤前水。可在虹吸滤池运转达最高水位后,先停止进水,待池内水靠重力继续过滤一段时间,直至池内水位降至清水出水渠水位以上某一合适高度时再进行冲洗,冲洗停止后又及时自动进水。
In order to make the filter less drained before the filter water. After the siphon filter operates at the highest water level, the water intake is stopped. The water in the pool is filtered by gravity for a period of time until the water level in the pool falls to an appropriate level above the water level of the clear water outlet. The flushing is performed after flushing stops. Automatic water intake.