汽动给水泵技术特点学习教案

1、会计学1汽动给水泵技术汽动给水泵技术(jsh)特点特点第一页，共8页。2Design Features Barrel-type Pump CHTD结构结构(jigu)特点筒式泵特点筒式泵 CHTD1. Suction stage impeller 首级首级(shuj)叶叶轮轮2.Cellular surface wear rings蜂窝状泵体密封环蜂窝状泵体密封环3. Balancing device平衡装置平衡装置4. Shaft sealing system密封密封(mfng)系统系统5. Static sealing systems唇形密封唇形密封第1页/共8页第二页，共8页。31. 1

2、st suction stage impeller首级首级(shuj)叶轮叶轮Optimised Suction Stage Impeller优化的首级优化的首级(shuj)叶轮叶轮More than 50,000 hours of operation without cavitation-induced wear优异的抗汽蚀性能，运行周期优异的抗汽蚀性能，运行周期(zhuq)可达到可达到50,000 100,000 小时小时Maximum operating periods of the suction stage impeller首级叶轮首级叶轮最最长的运行周期长的运行周期 Special

3、 vane profile for zero cavitation特制的叶型可消除汽蚀特制的叶型可消除汽蚀第2页/共8页第三页，共8页。4Cellular Surface Wear Rings 有蜂窝状表面有蜂窝状表面(biomin)的耐磨环的耐磨环Optimized cell geometry of wear rings for:经过优化的蜂窝形状可以使耐磨环具有下列特性经过优化的蜂窝形状可以使耐磨环具有下列特性: Lowest internal leakage losses由于内部泄漏造成的损失最小由于内部泄漏造成的损失最小Best anti-seizure properties 防咬合性

4、能最佳防咬合性能最佳Increased rotor stability转子稳定性增强转子稳定性增强(zngqing)Lower sensitiveness to dirt particles对杂质颗粒的敏感性低对杂质颗粒的敏感性低Long service life 使用寿命长Lower operating costs as a result of higher efficiency效率高、操作(cozu)成本低Higher level of operational reliabilityand availability操作(cozu)可靠性和可用性高Your benefits 你的你的受益受益

5、2. Type of Wear Ring泵体密封环类型泵体密封环类型第3页/共8页第四页，共8页。5Double safety and reliability:When the thrust bearing fails, the double drum acts like a disc双平衡鼓的安全可靠性:当推力轴承损坏，双平衡鼓起到了平衡盘的作用Lower loads on thrust bearing if the clearances increaseCopes well with transient conditions (variable pressure operation)当出现

6、一些大负荷工况，通过轴向间隙的调节，使推力轴承不会承受大的轴向推力Material characteristic平衡鼓材质同轴材质为17-4PH，平衡座套材质为RWA350防咬合材料(cilio)Long service life thanks to improved rotor damping (large drum diameter)长的运行寿命，高稳定性Higher efficiency thanks to lower quantity of balancing liquid高效率源于较小的平衡水量KSB Solution KSB 双平衡鼓的技术优势3. Balancing System

7、s双平衡双平衡(pnghng)鼓技术优势鼓技术优势第4页/共8页第五页，共8页。6Highest reliability due to non-contact sealing elements 由于密封部件(bjin)不接触，最长的使用寿命 Suitable for the highest system pressures, highest temperatures 适用于最高的压力和最高的温度工况 Insensitive to water chemistry 对介质的敏感性不强p Floating seal 浮动环密封Boiler FeedPump2 x 100%CoolerSealing

8、CondensateTank2x100%2x100%pe max. LevelDT10.15CDT 10.15Cmin. Level案例：国电北仑电厂2X1000MW机组第5页/共8页第六页，共8页。7Your benefits 您的受益您的受益 Extended service life 更长的使用寿命更长的使用寿命 Increased availability 增加运行稳定型增加运行稳定型 Easy replacement 装配装配(zhungpi)简单简单 Suitable for long-term storage 无需每次更换无需每次更换 Lip seal design 唇型密封的设计第6页/共8页第七页，共8页。8420MW 的试验电机4 （可换算