Pump spare part
Slurry pump spare parts include impeller, jacket, front guard plate, rear guard plate, pump body, pump cover shaft, jacket seal, outlet pipe, inlet pipe, outlet gasket, inlet seal.
When the slurry pump pumps the solid-liquid mixture, the most worn part is the impeller, followed by the pump body or the over-flow parts such as the sheath and the guard plate.
Wear factors of pump
Pump wear depends on the internal relationship between the following parameters:
1. Rheological properties of solid-liquid mixture.
2. The particle size, shape, hardness and density of solid particles.
3. The structure and parameters of the pump.
4. Pump speed or impeller circumferential speed.
5. Performance of pump materials, such as hardness and strength (elongation, acid and alkali resistance, heat resistance), etc.
Wear factors of pump
Pump wear depends on the internal relationship between the following parameters:
1. Rheological properties of solid-liquid mixture.
2. The particle size, shape, hardness and density of solid particles.
3. The structure and parameters of the pump.
4. Pump speed or impeller circumferential speed.
5. Performance of pump materials, such as hardness and strength (elongation, acid and alkali resistance, heat resistance), etc.
Maintain
Pay attention to the following points when maintaining the slurry pump:
1. Bearing water pressure and water volume must meet the regulations, adjust (or replace) the tightness of the packing at any time, and do not cause leakage of the shaft seal slurry. And replace the shaft sleeve in time.
2. When replacing the bearing, make sure that there is no dust in the bearing assembly and the lubricant is clean. The bearing temperature during pump operation is generally not more than 60 ~ 65 ℃, and the highest is not more than 75 ℃.
3. To ensure the coaxiality of the motor and the pump, and to ensure that the elastic pad in the coupling is complete and correct, it should be replaced in time after damage.
4. Ensure that the pump components and piping system are installed correctly, firmly and reliably.
5. Some parts of the slurry pump are wearing parts. In the daily use, we must pay attention to the wear and tear of the wearing parts and repair or replace them in time. During the repair or replacement of the consumable parts of the slurry pump, it is necessary to ensure that the assembly is correct, the gap is adjusted reasonably, and the phenomenon of tight friction is avoided.
6. The suction pipeline system of the slurry pump must be free of air leakage, and at the same time, pay attention to whether the suction population is blocked during operation.
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