The principle, method, design process and change result to enlarge capacity of maximum efficiency running point and improve hydraulic performance of double suction pump were presented.
论述了双吸离心泵增大高效点流量、提高水力性能的原理、方法、实施过程及改造结果。
The pump design shall be such to have the desired capacity and shall be capable to circulate the chemical at velocity required for cleaning of piping system.
泵的设计应满足排量要求，并能够按照清洗管线系统所要求的速度来循环化学品。
In this paper, the whole process of the melting urea pump capacity-enlarging design and manufacture is summarized.
本文是作者对熔融尿素泵扩能设计、研制全过程的总结。
The research results in the paper shows that the brake horsepower overload resulting from the design of larger capacity of sewage pump can be solved by reasonable design.
研究表明，排污泵考虑效率和通过能力而进行的加大流量设计导致了轴功率随流量上升过快更容易发生过载这一问题，是可以通过合理的水力设计得到解决的。
With used of principle which is upside, we redesign the gear form of BB-B80 oil pump. At the same time, proceed optimum design for the goal of "swept capacity of unit volume".
利用上面的原理，对BB -B80油泵进行齿形设计，同时以“单位体积排量最大”为目标对此泵进行优化设计。
With used of principle which is upside, we redesign the gear form of BB-B80 oil pump. At the same time, proceed optimum design for the goal of "swept capacity of unit volume".
利用上面的原理，对BB -B80油泵进行齿形设计，同时以“单位体积排量最大”为目标对此泵进行优化设计。
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