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1、1Design Features Barrel-type Pump CHTD结构特点筒式泵结构特点筒式泵 CHTD1.Suction stage impeller 首级叶轮首级叶轮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密封系统密封系统5.Static sealing systems唇形密封唇形密封第1页/共8页21.1st suction stage impeller首级叶轮首级叶轮Optimised Suction Stage Impeller优
2、化的首级叶轮优化的首级叶轮More than 50,000 hours of operation without cavitation-induced wear优异的抗汽蚀性能,运行周期可达到优异的抗汽蚀性能,运行周期可达到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长的运行周期长的运行周期 Special 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3Cellular Surface Wear Ri
3、ngs 有蜂窝状表面的耐磨环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 防防咬合性能最佳咬合性能最佳Increased rotor stability转子转子稳定性增强稳定性增强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 s
4、ervice life 使用寿命使用寿命长长Lower operating costs as a result of higher efficiency效率高、操作成本低效率高、操作成本低Higher level of operational reliabilityand availability操作可靠性和操作可靠性和可用性可用性高高Your benefits 你的受益受益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4Double safety and reliability:When the thrust bearing fails,the double
5、 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Long service life thanks to imp
6、roved 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 Systems双平衡鼓技术优势双平衡鼓技术优势第4页/共8页54.Sealing systems 密封系统浮动环密封浮动环密封Highest reliability due to non-contact sealing elements 由于密封部件不接触,最长的使用寿命
7、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 CondensateTank2x100%2x100%pe max.LevelD T10.15CD T 10.15Cmin.Level案例:国电北仑电厂2X1000MW机组第5页/共8页65.Static Sealing System 静态密封静
8、态密封Your benefits 您的受益您的受益 Extended service life 更长的使用寿命 Increased availability 增加运行稳定型 Easy replacement 装配简单 Suitable for long-term storage 无需每次更换 Lip seal design 唇型密封的设计第6页/共8页76.德国德国KSB性能试验台性能试验台20MW 的试验电机 (可换算至40MW)可进行热态试验 最大流量可做到 3500 m3/h.(可换算到 5000 m3/h)最大压力可做到50Mpa(可换算到60Mpa)可调节的高压管道满足各种接口位置第7页/共8页8Barrel-type pump CHTD感谢您的观看。第8页/共8页