Finally the authors indicate that the suspended travel type of simultaneous air-water backwash has advantages of low investment, well-distributed airflow, easy to maintenance and free of blockage.

• 滤池的这两种冲洗方式在国内外均有应用，通过对其进行分析比较和改进，将有助于今后设计选择滤池反冲洗方式。