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三螺杆泵选型及特点

更新时间:2015-05-29      点击次数:2026

三螺杆泵用来输送温度≤150℃、粘度3-760cSt、不含固体颗粒、无腐蚀性、具有润滑性能的介质。适用压力范围:0.6-2.5Mpa;适用流量范围:0.6-123m3/h。主要应用于燃油输送、沥青、液压工程、船舶工程,石化及环保工业。

三螺杆泵技术选型:

型号流量出口压力
MPa
转速
r/min
功率KW必需汽
蚀余量
电机型号
m3/hL/min轴功率电机功率
45×3-362.8460.69500.81.1590L-6-B3
2.7451.01.21.5100L-6-B3
25421.61.62.2112M-6-B3
2.4402.52.84132M1-6-B3
4.2700.614501.01.5590L-4-B3
4.0661.01.72.2100L1-4-B3
3.8631.62.83100L3-4-B3
3.5582.54.35.5132S-4-B3
45×2-464.2700.69501.01.55100L-6-B3
4.0661.01.72.2112M-6-B3
6.31050.614501.52.2100L1-4-B3
6.11011.02.33100L2-4-B3
54×2-468.01330.89702.335100L-6-B3
8.01331.01.52.2112M-6-B3
142330.614502.84100L1-4-B3
142334.04.35.5100L2-4-B3
62×2-438.58143.40.69502.0635132S-6-B3
8.25137.91.03.184132M1-6-B3
13.1218.90.614503.154112M-4-B3
12.6210.51.04.867.5132M-4-B3
62×2-469.81630.89502.945132M1-6-B3
9.51581.03.65.5132M2-6-B3
15.12510.614503.65.5132S-4-B3
14.62431.05.57.5132M-4-B3
80×2-3617.0283.30.89504.37.55.5160M-6-B3
25.74280.614505.47.5132M-4-B3
25.04171.08.511160M-4-B3
80×2-4623.9398.50.69505.57.55.5160M-6-B3
23.1386.31.08.611160L-6-B3
36.6610.30.614508.411160M-4-B3
35.7594.51.013.115160L-4-B3
80×2-5127.5485.50.69506.3115.5160L-6-B3
26.9448.31.010.515180L-6-B3
41.9698.30.614509.611160M-4-B3
41.0684.11.016.018.5180M-4-B3
90×2-3624.2403.50.69605.527.55.5160M-6-B3
23.6394.61.08.5211160L-6-B3
37615.90.614508.5211160M-4-B3
36.1602.41.01315160L-4-B3
90×2-4228.2470.90.69506.6115.5160L-6-B3
27.5457.61.010.215180L-6-B3
43.1718.80.614501015160L-4-B3
41.9698.51.015.518.5180M-4-B3
90×2-4634.0566.70.89509.7115.5160L-6-B3
52.6875.40.614501215160L-4-B3
52.08660.814.918.5180M-4-B3
51.4856.11.018.622180L-4-B3
100×2-4648.08000.895013.3155.5180L-6-B3
72.712120.6145016.518.5180M-4-B3
72.012000.820.422180L-4-B3
71.211871.025.530200L-4-B3
100×2-5156.9948.90.695012.5155.5180L-6-B3
55.7928.61.020.830225L-6-B3
86.91448.30.6145019.122180L-4-B3
85.01417.21.031.837225S-4-B3
110×2-4660.910150.695013.718.55.5200L1-6-B3
58.9951.71.021.830255M-6-B3
96.716110.6145021.930200L-4-B3
94.615771.033.945255M-4-B3
120×2-4267.911310.695015.518.55.5200L1-6-B3
65.410901.024.530255M-6-B3
10818020.6145024.730200L-4-B3
10517601.038.245255M-4-B3
120×2-4679.613270.695017.8225.5200L1-6-B3
77.212851.028.237250M-6-B3
12621010.6145028.537225S-4-B3
12320591.044.155255M-4-B3
150×2-4615826400.695034.6455.5Y280S-6-B3
15425821.054.575Y315S-6-B3
241.74029.70.6145053.875Y280S-4-B3
236.53942.21.082.290Y280M-4-B3

三螺杆泵特点:

1、结构简单:泵本身仅三根螺杆组成,但有多种结构形成,一般小流量,0.2-6.5m3/h泵的泵体和衬套合为 一个卧式安装,轴封为机械密封。中等流量以上的泵衬套为一单独的零件固定于泵体内。大流量泵多制成双吸结构。轴根据输送的介质不同有端面机械密封和填料密封两种。船用泵的原动机为交流船用电机。
 2、寿命长:三螺杆泵的主要螺杆是由电动机驱动。主、从螺杆之间,螺杆与衬套之间皆有一层油膜保护,因泵的机械摩擦极小,寿命堪称半*性。
 3、所输的液体在泵内作轴向匀速直线运动,故压力脉动小,流量稳定,噪音低,由于转动部分惯性小,则起动力矩和振动很小。
 4、具有高吸入能力。
 5、为保证泵、电机及管路系统安全,中等流量以上的螺杆泵均带有安全阀,当压力超过安全阀设定压力时,高压油将回流至泵的进口。

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