120000 m3/d = 5000 m3/h v1= 0.50 m/s v2= 0.40 m/s v3= 0.35 m/s v4= 0.30 m/s v5= 0.25 m/s v6= 0.20 m/s 20 min 2.4 m 超高H2= 0.3 m 池数n= 2 1667 m3 347.2 m2 ≈ 348 m2 20.4 m L1= 17.1 m a1= 0.58 m 取a1= 0.60 m, 0.482 m/s a2= 0.72 m 取a2= 0.70 m, 0.413 m/s a3= 0.83 m 取a3= 0.80 m, 0.362 m/s a4= 0.96 m 取a4= 1.00 m, 0.289 m/s a5= 1.16 m 取a5= 1.15 m, 0.252 m/s a6 1.45 m 取a6= 1.45 m, 0.200 m/s 3 条， 18 条， 17.1 m 隔