Reasons for pumping water pumping poorly and repairing
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Reasons for pumping water pumping poorly and repairing
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First, the pump does not absorb water or undrain. The reason is mostly that the bottom valve is stuck; the filtering water is somewhat blocked; the water absorption height is too high or the water is leaking; it can also be caused by the wrong steering; the impeller is blocked, etc. After one by one; Do not leave the repair of the bottom valve; remove the silage; correct the steering; remove the impeller and other methods.
Second, the pipeline leaks or leaks. The nut can not be tightened when the equipment is available. If the leakage is not severe; the cement can be modified in the local area where the air leaks or leaks, or the cement slurry is stirred with asphalt oil. Temporary repair can be applied Some wet mud or soft pansy. If there is water leakage at the joint; you can use a wrench to tighten the nut. It is necessary to remove the water from the head.
Third, the filler is overheated. Because the packing is too tight; the cooling water does not enter the packing; or the shaft is damaged. It can be properly loosened and the sealing tube is blocked. It is necessary to replace the packing wear. Infiltration in the oil before the equipment; Loaded in a circle; the cutting should be staggered; this can reduce the leakage. After the final filling of the packing, the gland should be tightly installed; adjust the tightness during work.
Fourth, the pump is violently sensation. The electric rotor can be unbalanced; or the coupling is poorly connected; the bearing wears and turns; it can also change some parts loose, break or the pipe support is not strong. Can be adjusted, repaired, reinforced, straightened, Replacement and other methods of disposal.
5. Demolition and repair of the impeller. The impeller blades are damaged or corroded; there are many pockmarks on the surface; the hard alloy should be replaced or plated; the impeller and the pump shaft should be fixed first when disassembling; Change the equipment head screw; then turn the top screw; pull the drive out gradually. Then remove the shaft from the pump casing; remove the impeller and send it to the repair shop for repair.
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