小型农用机井的井泵选型

为使井灌用户能更加科学地选用井泵，降低抽水费用，提高泵站装置效率，阐述了井泵选型的步骤及井泵工作点校核的方法，探讨了井泵在选型时应考虑的因素，给出了求取机井最优涌水量和井泵扬程的简易方法。

Study on Type Selection of Miniature Well-pump Used in Agriculture

In order to reduce the cost and raise the efficiency of pumping station devices, discusses thefactors that must be taken into account when selecting the type of well pumps.Expounds the steps of typeselection and the ways of the checking of operating points. Set forth a simple and easy method to find out theoptimum of discharge and head so that users can decide what type of well pumps to choose in a more scientificway.