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平桂泵的主要特点是能输送大粒度的物料(≤150毫米)。我厂从1974年使用这种泵以来感到效率低,在结构上存在一些缺点,给维修、操作带来一定的困难。1981年9月将平桂8英寸泵拆除,安上8GN 型砂泵,于10月份投产。实践证明,这种泵效果良好,最大输送粒度可达190毫米。8GN 砂泵是在平桂8英寸泵的基础上,改用弹子盘直接传动,重新设计叶轮、轴承盖,改革泵室
The main feature of Pinggui pump is the ability to deliver large particle size material (≤150mm). My factory from 1974 to use this pump has been felt inefficient, there are some shortcomings in the structure, to the maintenance, operation has brought some difficulties. In September 1981, Pinggui 8-inch pump was removed and placed on 8GN sand pump, which was put into operation in October. Practice has proved that this pump effect is good, the maximum transport size up to 190 mm. 8GN sand pump is Ping Gui 8-inch pump on the basis of the direct use of marbles instead of direct drive, re-design of the impeller, bearing cover, reform pump room