1、操作注意事项 1.1锅炉给水泵只能允许在规定的参数范围内运转; 1.2泵不允许在吐出阀门关闭或关到很小开度下运转,否则导致泵发热,降低寿命,如果泵是安装在一个并联系统中,每台泵都要在特定的参数下运行以保证泵的流量; 1.3泵不能关闭吸入阀运行,否则使泵发生干转,导致泵零件损坏; 1.4泵输送介质不能含有空气或气体,否则会使泵的流量和扬程不可能准确地测出,同时会产生研磨损坏零件; 1.5该型泵不能输送带颗粒的材料,否则会降低泵的效率和零件的寿命; 1.6启泵以前应对泵进行歼车前检查。 2、启泵前检查
技术参数 |
型号 | 转速 | 流量Q | 扬程 | 效率 | 功率(kw) | 必需汽蚀余量 |
n | H | η | (NPSH)r |
(r/min) | (m3/h) | (I/s) | (m) | (%) | 轴功率 | 电机 | (m) |
| | | Ps | |
DG6-25×3 | 2950 | 6.3 | 1.75 | 75 | 45 | 2.86 | 5.5 | 2 |
DG6-25×4 | 2950 | 6.3 | 1.75 | 100 | 45 | 3.81 | 7.5 | 2 |
DG6-25×5 | 2950 | 6.3 | 1.75 | 125 | 45 | 4.77 | 7.5 | 2 |
DG6-25×6 | 2950 | 6.3 | 1.75 | 150 | 45 | 5.72 | 11 | 2 |
DG6-25×7 | 2950 | 6.3 | 1.75 | 175 | 45 | 6.67 | 11 | 2 |
DG6-25×8 | 2950 | 6.3 | 1.75 | 200 | 45 | 7.63 | 15 | 2 |
DG6-25×9 | 2950 | 6.3 | 1.75 | 225 | 45 | 8.52 | 15 | 2 |
DG6-25×10 | 2950 | 6.3 | 1.75 | 250 | 45 | 9.53 | 18.5 | 2 |
DG6-25×11 | 2950 | 6.3 | 1.75 | 275 | 45 | 10.5 | 18.5 | 2 |
DG6-25×12 | 2950 | 6.3 | 1.75 | 300 | 45 | 11.44 | 18.5 | 2 |
DG12-25×3 | 2950 | 12.5 | 3.47 | 75 | 54 | 4.73 | 7.5 | 2 |
DG12-25×4 | 2950 | 12.5 | 3.47 | 100 | 54 | 6.3 | 11 | 2 |
DG12-25×5 | 2950 | 12.5 | 3.47 | 125 | 54 | 7.88 | 11 | 2 |
DG12-25×6 | 2950 | 12.5 | 3.47 | 150 | 54 | 9.46 | 15 | 2 |
DG12-25×7 | 2950 | 12.5 | 3.47 | 175 | 54 | 11 | 15 | 2 |
DG12-25×8 | 2950 | 12.5 | 3.47 | 200 | 54 | 12.51 | 18.5 | 2 |
DG12-25×9 | 2950 | 12.5 | 3.47 | 225 | 54 | 14.18 | 18.5 | 2 |
DG12-25×10 | 2950 | 12.5 | 3.47 | 250 | 54 | 15.76 | 22 | 2 |
DG12-25×11 | 2950 | 12.5 | 3.47 | 275 | 54 | 17.34 | 22 | 2 |
DG12-25×12 | 2950 | 12.5 | 3.47 | 300 | 54 | 18.9 | 30 | 2 |
DG25-30×3 | 2950 | 25 | 6.94 | 90 | 62 | 9.88 | 15 | 2 |
DG25-30×4 | 2950 | 25 | 6.94 | 120 | 62 | 13.1 | 18.5 | 2 |
DG25-30×5 | 2950 | 25 | 6.94 | 150 | 62 | 16.47 | 22 | 2 |
DG25-30×6 | 2950 | 25 | 6.94 | 180 | 62 | 19.77 | 30 | 2 |
DG25-30×7 | 2950 | 25 | 6.94 | 210 | 62 | 23.1 | 30 | 2 |
DG25-30×8 | 2950 | 25 | 6.94 | 240 | 62 | 26.4 | 37 | 2 |
DG25-30×9 | 2950 | 25 | 6.94 | 270 | 62 | 29.65 | 37 | 2 |
DG25-30×10 | 2950 | 25 | 6.94 | 300 | 62 | 32.9 | 4.5 | 2 |
DG25-50×3 | 2950 | 25 | 6.94 | 150 | 54 | 18.9 | 30 | 2.7 |
DG25-50×4 | 2950 | 25 | 6.94 | 200 | 54 | 25.2 | 30 | 2.7 |
DG25-50×5 | 2950 | 25 | 6.94 | 250 | 54 | 31.5 | 37 | 2.7 |
DG25-50×6 | 2950 | 25 | 6.94 | 300 | 54 | 37.8 | 45 | 2.7 |
DG25-50×7 | 2950 | 25 | 6.94 | 350 | 54 | 44.1 | 55 | 2.7 |
DG25-50×8 | 2950 | 25 | 6.94 | 400 | 54 | 50.4 | 75 | 2.7 |
DG25-50×9 | 2950 | 25 | 6.94 | 450 | 54 | 56.7 | 75 | 2.7 |
DG25-50×10 | 2950 | 25 | 6.94 | 500 | 54 | 63 | 75 | 2.7 |
DG46-30×3 | 2950 | 46 | 12.8 | 90 | 70 | 16.11 | 22 | 3 |
DG46-30×4 | 2950 | 46 | 12.8 | 120 | 70 | 21.48 | 30 | 3 |
DG46-30×5 | 2950 | 46 | 12.8 | 150 | 70 | 26.85 | 37 | 3 |
DG46-30×6 | 2950 | 46 | 12.8 | 180 | 70 | 32.21 | 37 | 3 |
DG46-30×7 | 2950 | 46 | 12.8 | 210 | 70 | 37.58 | 45 | 3 |
DG46-30×8 | 2950 | 46 | 12.8 | 240 | 70 | 42.95 | 55 | 3 |
DG46-30×9 | 2950 | 46 | 12.8 | 270 | 70 | 48.32 | 55 | 3 |
DG46-30×10 | 2950 | 46 | 12.8 | 300 | 70 | 53.69 | 75 | 3 |
DG46-50×3 | 2950 | 46 | 12.8 | 150 | 63 | 29.83 | 37 | 3 |
DG46-50×4 | 2950 | 46 | 12.8 | 200 | 63 | 39.77 | 45 | 3 |
DG46-50×5 | 2950 | 46 | 12.8 | 250 | 63 | 49.71 | 55 | 2.8 |
DG46-50×6 | 2950 | 46 | 12.8 | 300 | 63 | 59.65 | 75 | 2.8 |
DG46-50×7 | 2950 | 46 | 12.8 | 350 | 63 | 69.6 | 90 | 2.8 |
DG46-50×8 | 2950 | 46 | 12.8 | 400 | 63 | 79.54 | 90 | 2.8 |
DG46-50×9 | 2950 | 46 | 12.8 | 450 | 63 | 89.48 | 110 | 2.8 |
DG46-50×10 | 2950 | 46 | 12.8 | 500 | 63 | 99.42 | 110 | 2.8 |
DG46-50×11 | 2950 | 46 | 12.8 | 550 | 63 | 109.36 | 132 | 2.8 |
DG46-50×12 | 2950 | 46 | 12.8 | 600 | 63 | 119.3 | 132 | 2.8 |