The corrosion situation of some metal materials used for axial-flowpump and impeller of slurry pump in wet phosphoric acid production was studied.
研究了几种金属材料在湿法磷酸生产中的浓缩轴流泵和萃取槽料浆泵叶轮上的耐腐蚀使用情况。
2
Variable-speed control we already know, at a certain speed axialflowpump are working under, and to obtain the corresponding flow, lift, power and efficiency.
变速调节我们已经知道，轴流泵是在一定转速下工作的，而且获得相应的流量、扬程、功率和效率等。
3
Impeller and diffuser are important parts in the Axial-flowpump and the later is the important part to take back energy.