Single-slot flotation machine (mining single-slot flotation machine) should check the various parts of the bolt before starting，Manual rotation should be performed before starting to s the machine in order to prevent sediment deposition ａnd increase the motor load，Work should carefully adjust the height of the gate, so that the level of liquid to maintain stability，The mineralized foam on the slurry surface is blown into the flume at any time。Impeller ａnd stator should maintain a certain distance, wear should be replaced，The inner bearing of the pump body should be maintained every three months。