大型的水力选矿设备，如何正确的操作抽沙船是高效率选矿的关键，应如何正确操作抽沙船，有以下几点：

Large mineral water equipment, how to correct operation suction dredger is key to efficient processing, how to correctly operate pumping sand, there are the following several points:

一、操作说明；首先启动单缸机，然后启动四缸机，合上离合器，油门控制在中速以上。扳动卷扬机开关将龙头慢慢放下，听到发动机有负荷时，停止下放龙头，然后根据抽沙浓度来控制龙头的起落。如果遇到柴油机特别吃力时，应立即将龙头提起。停机前必须将龙头升起，直到抽出清水为止。

First, operating instructions; start the single cylinder engine, and then start the four cylinder engine, clutch, throttle control in the medium above. Pulling hoist switch the faucet slowly down, heard the engine load, stop the decentralization of leading, then according to the pumping sand concentration to control the leading the ups and downs. If you encounter a particularly difficult diesel engine, should immediately bring the leading. Before stopping, the cock must rise until it is drawn out.

二、故障排除；如果遇到沙泵抽不出水时，检查沙泵有无漏气的地方，检查各连接处。如果遇到只出水，不出沙时，检查龙头吸口有无赌塞或有袋装物附着物。

Two, troubleshooting; if you encounter sand pump pumping water, check the sand pump there is no leakage of places, check the connection point. If you encounter a water only, not the sand, check whether the head of the suction mouth with a bag or a bag of things.

三、注意事项；严禁在抽沙泵正常工作时突然停机，以防沙子堵塞管道。

Three, pay attention to matters; is strictly prohibited in the pumping sand pump normal work when the sudden stop, in case of sand blocking pipe.

四、工作性能；抽沙工作量80立方／小时，抽沙深度水面以下25M。

Four, the performance of the work; pumping capacity of 80 cubic meters / hour, pumping sand depth below the surface of the water 25M.