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单级离心泵特点 |
单级离心泵特点
STL characteristics of vertical single-stage centrifugal pump
特点：
Features:
STL系列单级单吸立式管道离心泵为直联式管道泵结构，叶轮安装于电机加长轴上，具有运行平稳结构简单、维护检修简便、安装方便及占地面积省（与普通卧式泵比占地面积节省30%以上）等特点；
STL series of single-stage single-suction vertical pipeline centrifugal pump for direct-coupled pipeline structure, the impeller mounted on motor shaft extended, with smooth operation of simple structure, easy maintenance overhaul, easy installation, and covers an area of provincial (and ordinary horizontal Pump covers an area savings of more than 30% above) and other characteristics;
1、高效节能：采用CFD计算流体动力学，分析计算出泵内压力分布和速度分布关系、优化泵的流道设计，确保泵有高效的水力形线，提高了泵的效率。
An energy-efficient: The CFD computational fluid dynamics analysis to calculate pump pressure and velocity distributions within the relationship, optimization of pump flow channel designed to ensure a highly efficient hydraulic pump-shaped lines to increase the pump efficiency.
2、安装、维修方便：立式管道式结构，泵的进出口能象阀门一样安装在管路的任何位置及任何方向，安装维修极为方便。
2, installation, easy maintenance: vertical pipe-type structure, import and export of pumps can be the same as the valve installed in the pipeline at any location and any direction, installation and maintenance very easy.
3、运行平稳，安全可靠：电机轴和水泵轴为同轴直联、同心度高，运行平稳，安全可靠。
3, run smooth, safe and reliable: the motor shaft and pump shaft for coaxial Direct, high concentricity, run smooth, safe and reliable.
4、不锈钢轴套：轴的机封位置是相对易被锈蚀之处，直联式泵轴一旦被锈蚀，易造成机械密封失效。ＳＴＧ泵此处采用镶配不锈钢轴套，避免锈蚀发生，提高了轴寿命，降低了运行维护成本。
4, stainless steel sleeve: the machine shaft seal is relatively susceptible to corrosion of the position of Office, the direct-coupled pump shaft once rust, could easily lead to mechanical seal failure. STG pump with stainless steel sleeve inserts used here to avoid the corrosion occurrence of increased life expectancy axis, reducing operation and maintenance costs.
5、轴承：泵所配电机中，Y（Y2）280以下轴伸端轴承（包括Y180以下风叶端轴承）采用封闭式轴承，正常使用时，免电机轴承的维护保养。
5, bearing: pumps are fitted with motors, Y (Y2) 280 The following shaft extension ends (including Y180 following fan-side bearing) using closed-end bearing, normal use, maintenance-free motor bearings.
6、机封：机械密封基件一般选用橡胶波纹管结构，将传统机械密封中轴上密封由O形圈的线密封改为橡胶件的两道面密封，在清水介质时提高了密封效果。
6 Seal: Mechanical seal the base parts generally used in rubber bellows structure, the traditional mechanical seal in the shaft seal from the O-ring seal into the line of the two side rubber seal, in water medium improved sealing effect. |
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