wet method of mining

The present situations of design and construction of hydraulic of low-speed centrifugal pumps are described,the causes and solutions for lower efficiency,the head curve having humps frequently,and overload of shaft output,etc.

阐述了低比转速离心水力设计和结构研究现状,分析了低比转速离心泵存在效率偏低、扬程曲线易出现驼峰和轴功率过载等问题的产生原因及解决方法,并对几种水力设计方法进行了探讨。

The advantages of conveying pebble coal in power plants by hydraulic means is presented, together with the working principle concerned.

介绍电厂采用的水力输送石子煤方法的优点,以及水力输送石子煤的工作原理。

The method is introduced for hydraulic and structural design.

以一共轴式部分流磁力泵为例 ,介绍了共轴式部分流磁力泵水力设计、结构设计 ,总结了共轴式部分流磁力泵主要零件的加工工艺和材料。

Industry-scale application of waterpower transportation technology for polymers;

聚合物水力输送技术的工业应用

The path to resolve hydraulic power and heating power stepout of boiler system;

解决供热系统水力及热力失调的途径