The stirring tank is the indispensable equipment in flotation separating process, and it can be divided into the slurry stirring tank, stirred tank, lifting stirring tank, and medicine stirring tank, etc. The stirring tank is mainly composed of the following parts: The mixing tank, which is a container used to hold the stirring slurry; The spindle components, which is a rotating vertical axis with stirrer (stirring round); The motor and transmission device with the transmission way having belt transmission and gearbox transmission; The auxiliary components, such as support beam, feeding pipe, discharging pipe, loop tube, the baffle on the slurry wall, and so on.

It is necessary to pay attention to check whether there are loose bolts, whether the bearings are damage. If there is any, tighten the bolt and replace the bearings in time. It is strictly forbidden for the empty running of the stirring tank. For the no-load test, the stirring tank is necessary to be injected water to the tank about two-thirds hight before starting the motor; for the load operation, the load current should not exceed 85% of the motor rated current. It is necessary to be injected oil to the upper and lower bearing with oil cup or oil gun per three months. It is necessary to slightly adjust the bolt on the upper cover of the bearing, keeping that the bearing clearance will not be too large per half year. Pay attention to check whether there are loose bolts, whether the bearings are damage. If there is any, tighten the bolt and replace the bearings in time.

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