抽沙船是一种对河沙进行提取的水上采沙设备。它主要依靠抽沙船自带的抽沙泵将被激起的泥沙连同水流一起顺着抽沙管道输送到存沙地点。大型的抽沙船可以同时进行河沙的抽取、水洗与储运，抽沙泵在其中都扮演了重要的角色。也因此对于抽沙船上抽沙泵的选择是一件非常重要的事情，它将直接关系到抽沙船的抽沙工作能否顺利进行。
抽沙船上如果使用的不是高铬合金吸沙泵，那么叶轮的磨损是很严重的。像我们的小型抽沙船都是使用的普通铸铁或铸钢的吸沙泵，所以叶轮需要经常更换。首先我们的普通抽沙船的抽沙泵是不能更换高铬合金泵叶轮的。只能确定自己的工作环境选择叶轮，铸铁叶轮特点是耐磨，铸钢的特点是耐打。也就是说如果沙层中石头较多就选择铸钢的叶轮，石子含量低就选择铸铁叶轮。
抽沙船的抽沙泵在运转中应定期检查轴封水的压力和流量，及时调节填料压盖或更换填料，以保证始终有少量的清洁水通过轴。还要定期检查抽沙船抽沙泵的轴承组件运转情况。开始运转时，如果轴承发热则可停泵待轴承冷却后再次运行；若轴承仍严重发热，温度持续上升，则应拆卸轴承组件，查明原因。一般轴承发热是由于润滑脂（油）过量或润滑脂（油）中有杂质引起的，因此，轴承润滑脂（油）应适量、清洁并定期添加。
随着抽沙船抽沙泵使用时间的延长，叶轮与护板的间隙将不断增大，泵的性能要逐渐变坏，应及时将叶轮向前护板方向调整，以保持较小的间隙，使泵保持在高效率运行。当泵磨损到其性能不能满足系统要求时，应更换过流部件（易损件）。为避免过流部件因磨损失效对系统产生的严惩后果，要定时拆检泵估计过流部件的寿命，以便及时更换。
A pumping vessel is a water-gathering equipment for extracting sand from rivers. It relies mainly on pumping sand from the pumping vessels to carry the stirred sediment along with the water flow along the pumping pipeline to the sediment location. Large sand pumping vessels can be extracted, washed and transported in the meantime, and the pumping pump plays an important role. Therefore, it is very important to choose the sand pump on the pumping vessel, it will directly relate to the sand pumping work of the pumping vessel.
The abrasion of the impeller is very serious if it is not a high chromium alloy suction pump used in the sand pumping vessel. Like our small pumping sand is used for ordinary cast iron or cast steel suction pumps, so the impeller needs to be replaced frequently. First of all, our general pumping sand pump is not the replacement of high-chromium alloy pump impeller. Only to determine their own working environment select impeller, cast iron impeller characteristics are wear-resistant, steel is characterized by resistance. In other words, if the sand is more stones in the choice of cast steel impeller, gravel content Low select cast iron impeller.
Pumping sand pump In the operation should periodically check the pressure and flow of shaft sealing water, timely regulation of packing gland or replacement filler to ensure that there is always a small amount of clean water through the shaft. Also periodically inspect the operation of the bearing assembly of the pumping sand pumping pump. When operating, if the bearing fever can be stopped pumping to the bearings after cooling again, if the bearings are still serious fever, the temperature continues to rise, the bearing assembly should be disassembled to identify the cause. General bearing fever is due to grease (oil) excessive or grease (oil) caused by impurities, therefore, bearing grease (oil) should be appropriate, clean and periodically added.
With the pumping sand pumping time to prolong the use of the impeller and the clearance of the plate will continue to increase, the pump performance to gradually deteriorate, should be in time to the impeller of the front of the direction of adjustment to maintain a small gap, so that the pump to maintain high efficiency. When the pump is worn out to meet the system requirements, the flow parts (vulnerable parts) should be replaced. In order to avoid the serious consequence of the system caused by the abrasion failure of the flow part, the life of the flow part is estimated to be replaced in time.
钻探式抽沙船
液压绞吸式吸沙船
链斗式挖沙船
液压斗轮式抽沙船