Self priming centrifugal slurry pump is the common fault phenomena and elimination method
Self suction centrifugal slurry pump is slurry pumping water conservancy machinery, which comprises a slurry pump body, a rotating assembly, head assembly, trash cover, and a water inlet pipe, outlet pipe, a general assembly; to start the motor, dynamic linkage, rotating assembly in driving the impeller centrifuge, bubble upwelling, generates suction the water inlet pipe, the air, the water outlet pipe is discharged out of the slurry pump body, air exhaust, water outlet pipe outflow, the water slurry pump, excellent performance, deep suction lift, large flow, operation is labor-saving and time-saving, is the most excellent mechanical slurry pumps in the realistic society.
Below to introduce some self suction centrifugal slurry pump common failures and troubleshooting:
[failure]
No reaction of 1, after the power is switched on.
2, difficult to start or cannot start, and accompanied by a “buzz” sound.
3, the motor to run, but the speed is slow, and the shell is overheating, the burning smell.
4, running noise, vibration.
[Methods] exclusion
1, most of the power plug, power outlet in line and motor winding short circuit.
2, maintenance when used by a small bamboo running direction to quickly toggle fan, if the motor to work quickly, indicating a start capacitor is damaged or the start winding, should be replaced with the same capacity capacitor or repair the start winding; if the motor card, is the motor and slurry pump head of mechanical failure, such as the damage of bearing, impeller stuck.
3, most are caused by short circuit of motor winding, should be opened to motor, visual damage respectively adopts a welding repair, jumper, isolation, rewind and other measures.
4, mostly with bearing bearing and the casing damage or improper, need to dismantle the motor to check, if the bearing is damaged should be replaced; if the bearing running round, the slurry pump shell with surface of the flower processing; if the bearing running in the round, can wear on the motor shaft position of the flower processing, wear serious, the first turning after welding repair method.
Self suction centrifugal slurry pump head part
[failure]
1, the normal operation of the motor but less water or no water.
2, the electrification of the housing.
[Methods] exclusion
Should first check the slurry pump seal 1, this kind of situation, check should unplug the power plug, hand to block the water outlet, the slurry pump filled with water, hold in the mouth of the export tried to blow in the slurry pump head, observe whether Water Leakage, Water Leakage place is also sealed the damage. Common failure parts has a suction pad, pad outlet, impeller cover pad, repair should be replaced. If there is no water phenomenon, is damage to the impeller, suction chamber and the water retaining chamber within the septum erosion wear, slurry pump head retaining septum removed, the impeller and the slurry pump shell enlarge the gap, replace the impeller and the slurry pump shell. Replacement of the impeller should pay attention to the elimination of residual copper vane slurry pump, so as to avoid further damage to the new impeller.
2, mostly water damage, water infiltration through the motor shaft, the motor insulation deterioration caused by the replacement of water, drying, motor repair. Note that, because of the long-term contact with water slurry pump and open work, easy to damp caused deterioration of insulation performance, in order to ensure personal safety, electric self priming centrifugal slurry pump should be reliable grounding.
Post time: Jul-13-2021