Industry News

Causes and solutions of common failures of Submersible Dredging Slurry Pump

2021-07-17

Causes and solutions of common failures of Submersible Dredging Slurry Pump.

1.Submersible Dredging Slurry Pump vibration

Reason: the pump shaft is not concentric with the diesel engine, the impeller is unbalanced, and the bearing is damaged

Solution: adjust concentricity, impeller for balance test, replace bearing

2. Slurry pump water is slow

Reason: The gap between the front liner and the impeller is large, the water outlet pipe cannot seal the air, and the emptying is full

Solution: adjust the gap, adjust the outlet pipe, install the vacuum device

3. The Submersible Dredging Slurry Pump does not absorb water

Reasons: insufficient irrigation water diversion, inability to discharge the air in the Submersible Dredging Slurry Pump, air leakage in the suction pipe, large clearance between the front liner and the impeller

Solution: continue to infuse the water diversion, check whether the pipeline is leaking, adjust the gap between the impeller and the front liner

4. The Submersible Dredging Slurry Pump has low pressure and flow

Reason: there is air in the pump, the gap between the impeller and the front liner is large, the clutch is not closed tightly, the impeller or the liner is worn

Solution: Evacuate the gas in the mud pump, adjust the clearance to adjust the clearance of the clutch friction plate, and replace the impeller or liner

5.The Submersible Dredging Slurry Pump wears quickly

Reasons: poor construction environment (large particles), long conveying distance, long water inlet pipeline

Solution: Replace the battlefield, add afterburners, shorten the length of the water inlet pipe to reduce cavitation

6. The impeller journal wears fast

Reasons: low head of the high-pressure water pump, misalignment of packing, and misalignment between the pump shaft and the back cover

Solution: Replace the packing of the high-lift Submersible Dredging Slurry Pump and adjust the concentricity

Submersible dredging slurry pump