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1400S20大型单级双吸卧式中开离心泵
技术参数
technical parameter
介质温度：T=20-90℃
Medium temperature: T=20-90 C
流量：Q=17500m³/h -20000m³/h
Flow rate: Q=17500m /h -20000m fand fand /h
扬程：H=22-15m
Lift: H=22-15m
叶轮直径：D≈1020mm
Impeller diameter: D = 1020mm
转速：495r/min
Speed: 495r/min
应用范围
Application scope
城市供水、排水、采暖、石油化工、电站、矿业、钢铁、农电排涝灌溉和各种水利工程
City water supply and drainage, heating, petroleum chemical industry, power plants, mining, steel, electricity and water conservancy irrigation and drainage
产品结构图
Product structure diagram
图一
Figure 1
图二
Figure two
产品优势
Product advantage
① CFD流场水力分析吸入室、压出室等水力部件，高效率性能；
(1) CFD flow field hydraulic analysis of the hydraulic components, such as the suction chamber and the pressure outlet, and the high efficiency.
② 采用了承受双向推力的滚动轴承支撑泵转子部件，转动时产生的摩擦因数小，是普通滑动轴承的1/10，消耗的电功率降低，启动电流大大降低，可以提高机组效率，且能简化结构，降低制造成本；
The rolling bearing thrust support pump rotor, the friction coefficient produced by the rotation of the small, ordinary sliding bearing 1/10, the electric power consumption is reduced, the starting current is greatly reduced, can improve the efficiency of the unit, and can simplify the structure, reduce the manufacturing cost;
③ 轴承体部件为分体中开式结构，安装、检修更方便。采用稀油润滑形式，既能控制轴承温度不会过高和润滑不良，还能延长轴承使用寿命。设计有可视油位视窗，能方便观察轴承体内的油位，避免造成不必要的损失；
The bearing body parts are the open type structure in the split body, which is more convenient to install and repair. The use of thin oil lubrication can not only control the high temperature of the bearing and poor lubrication, but also prolong the service life of the bearing. The visual oil level window is designed to facilitate the observation of the oil level in the bearing and avoid unnecessary losses.
分体式轴承部件图
Split type bearing diagram
④ 叶轮由两个单吸叶轮组合而成，采用了相邻叶片相互交错的结构，水流脉冲下降到扬程的±1%~±2%，有效改善了水泵的压力脉动，使水流更平稳，效率更高。
4. Impeller is made up of two single suction impellers. The structure of adjacent blades is interlaced. The flow pulse decreases to + 1%~ + 2% of the head, which effectively improves the pressure pulsation of the pump and makes the flow more stable and efficient.
叶轮（叶片错开式）
Impeller (vane wrong type)
technical parameter
介质温度：T=20-90℃
Medium temperature: T=20-90 C
流量：Q=17500m³/h -20000m³/h
Flow rate: Q=17500m /h -20000m fand fand /h
扬程：H=22-15m
Lift: H=22-15m
叶轮直径：D≈1020mm
Impeller diameter: D = 1020mm
转速：495r/min
Speed: 495r/min
应用范围
Application scope
城市供水、排水、采暖、石油化工、电站、矿业、钢铁、农电排涝灌溉和各种水利工程
City water supply and drainage, heating, petroleum chemical industry, power plants, mining, steel, electricity and water conservancy irrigation and drainage
产品结构图
Product structure diagram
图一
Figure 1
图二
Figure two
产品优势
Product advantage
① CFD流场水力分析吸入室、压出室等水力部件，高效率性能；
(1) CFD flow field hydraulic analysis of the hydraulic components, such as the suction chamber and the pressure outlet, and the high efficiency.
② 采用了承受双向推力的滚动轴承支撑泵转子部件，转动时产生的摩擦因数小，是普通滑动轴承的1/10，消耗的电功率降低，启动电流大大降低，可以提高机组效率，且能简化结构，降低制造成本；
The rolling bearing thrust support pump rotor, the friction coefficient produced by the rotation of the small, ordinary sliding bearing 1/10, the electric power consumption is reduced, the starting current is greatly reduced, can improve the efficiency of the unit, and can simplify the structure, reduce the manufacturing cost;
③ 轴承体部件为分体中开式结构，安装、检修更方便。采用稀油润滑形式，既能控制轴承温度不会过高和润滑不良，还能延长轴承使用寿命。设计有可视油位视窗，能方便观察轴承体内的油位，避免造成不必要的损失；
The bearing body parts are the open type structure in the split body, which is more convenient to install and repair. The use of thin oil lubrication can not only control the high temperature of the bearing and poor lubrication, but also prolong the service life of the bearing. The visual oil level window is designed to facilitate the observation of the oil level in the bearing and avoid unnecessary losses.
分体式轴承部件图
Split type bearing diagram
④ 叶轮由两个单吸叶轮组合而成，采用了相邻叶片相互交错的结构，水流脉冲下降到扬程的±1%~±2%，有效改善了水泵的压力脉动，使水流更平稳，效率更高。
4. Impeller is made up of two single suction impellers. The structure of adjacent blades is interlaced. The flow pulse decreases to + 1%~ + 2% of the head, which effectively improves the pressure pulsation of the pump and makes the flow more stable and efficient.
叶轮（叶片错开式）
Impeller (vane wrong type)
