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  • 潜水轴流泵的技术要求?
  • 本站编辑:杭州新龙发布日期:2022-03-15 17:13 浏览次数:
潜水轴流泵用于抽送城市雨水泵站内含有少量漂浮物的雨水,并能正常工作。
潜水轴流泵的进水室配有一个锥形的进水口,设有防涡流设施,可以保证吸入口有一个理想的入口流态。
潜水轴流泵能够在规定的范围内正常工作,并具有稳定的压头流量特性,当泵在其特性曲线上任一点运行时,电动机功率不超载。
潜水轴流泵的所有承压零件均作气压试验,试验压力为其设计压力的1.5倍,但不低于0.4Mpa,历时5min而无泄漏现象。
潜水轴流泵在密封组装后,进行0.4MPa气压试验,历时5min无泄漏现象。
潜水轴流泵喷涂防腐漆,其表面光亮,无污损、碰伤、裂痕等现象,部件表面经除锈和除油后采用喷涂环氧树脂防腐漆
潜水轴流泵叶轮采用半可调节结构,叶轮叶片与球形室配合,间隙均匀,叶轮在装配前进行静平衡试验,其不平衡量在其允许的范围内,平衡精度为G6.3级。
The submersible axial flow pump is used to pump rainwater containing a small amount of floating objects in the urban rainwater pump station and can work normally.
The inlet chamber of the submersible axial flow pump is equipped with a conical inlet and anti vortex facilities, which can ensure an ideal inlet flow pattern at the suction inlet.
The submersible axial flow pump can work normally within the specified range and has stable head flow characteristics. When the pump operates at any point of its characteristic curve, the motor power will not be overloaded.
All pressure bearing parts of submersible axial flow pump shall be subject to air pressure test. The test pressure shall be 1.5 times of its design pressure, but not less than 0.4MPa. It shall last for 5min without leakage.
After the seal assembly of the submersible axial flow pump, conduct a 0.4MPa air pressure test for 5min without leakage.
The submersible axial flow pump is sprayed with anti-corrosion paint, and its surface is bright without dirt, bruise, crack and other phenomena. After rust and oil removal, the component surface is sprayed with epoxy resin anti-corrosion paint
The impeller of submersible axial flow pump adopts semi adjustable structure. The impeller blade is matched with the spherical chamber with uniform clearance. The static balance test of the impeller is carried out before assembly. The unbalance is within the allowable range and the balance accuracy is G6 Level 3.
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