新型导流板旋流沉砂池数值模拟及水处理效能研究

王旭博,王延涛

Numerical simulation and wastewater treatment study of guide plate swirl grit chamber

Xubo Wang,Yantao Wang

表1 无导流板旋流沉砂池沉砂性能测定结果

筛孔直径/mm 进水样品 进水流速为0.19 m/s 进水流速为0.25 m/s 进水流速为0.32 m/s 进水流速为0.38 m/s 进水流速为0.44 m/s 筛余量/g 筛落率/% 筛余量/g 筛落率/% 筛余量/g 筛落率/% 筛余量/g 筛落率/% 筛余量/g 筛落率/% 筛余量/g 筛落率/% ＞2.000 1.06 96.85 1.06 96.84 1.06 96.85 0.98 97.08 0.95 97.17 1.06 96.84 ＞1.000 3.85 85.38 3.10 87.59 2.40 89.69 3.20 87.53 2.30 90.31 2.20 90.28 ＞0.450 11.79 50.21 8.80 61.34 5.30 73.88 7.80 64.27 6.50 70.92 4.86 75.78 ＞0.300 9.23 22.68 4.65 47.48 3.50 63.44 5.20 48.76 4.80 56.60 3.76 64.57 ＞0.200 5.64 5.85 0.78 45.15 1.60 58.67 2.50 41.30 2.50 49.15 1.08 61.34 ＞0.125 0.83 3.37 0.12 44.79 0.20 58.08 0.60 39.51 0.50 47.65 0.20 60.75 ＞0.097 0.60 1.58 0.06 44.61 0.10 57.78 0.60 37.72 0.30 46.76 0.10 60.44 其他 0.53 0 0 44.61 0.05 57.63 0.30 36.83 0.30 45.86 0.01 60.41 总筛余量/g 33.53 18.57 14.21 21.18 18.15 13.27