December 23, 2024

Long axis pump fault diagnosis and maintenance

A long axis of the pump should pay attention to the following maintenance: 1. According to the operation of the long axis of the pump at any time to adjust the packing gland tightness. Packing seals drip 30 to 60 drops per minute. 2. Grasp the wear and tear of packing to change the packing in time. When replacing the packing, each adjacent packing interface should be staggered by more than 90 degrees, water seal pipe should be aimed at the water seal ring, the outermost packing opening should be down. 3. Long-axis pump to replenish the bearings in the lubricating oil or grease to ensure normal oil level; regular testing of oil changes in the situation, the oil failed to replace the new oil. 4. Regularly check the long-axis pump electric valve limit switch and manual and electric interlocking device. 5. Long-term monitoring should be long pump vibration, when the vibration is not reasonable, should identify the cause and do the treatment. 6. Should be from time to time to check, adjust, replace the valve packing, but failed watertight, no oil, no rust. 7. The use of soft packing seal, should be filled according to the actual situation at any time to prevent leakage. 8. Long axis pump parts should be intact, the nameplate signs should be clear. 9. Equipment external parts should be done without exception: no rust, no oil leakage, no leakage, no leakage, no leakage. Two. Long-axis pump regular maintenance should pay attention to: 1. According to the operation of the technical condition monitoring data to determine the maintenance project, or by periodic preventive inspection, the repair of defective parts or replacement. 2. Disintegration replacement of major components, should meet the major maintenance quality standards. 3. Long axis pump major maintenance items, content, quality, should meet the following requirements: Pump housing (diversion shell), impeller overhaul, should meet the following requirements: 1) to remove scale, rust, non-processing surface can be coated with non-toxic Water and rust-proof paint; 2) cooling water hole, pressure gauge hole, vent should be unobstructed; 3) shell wall or guide vane erosion thickness exceeds the original wall thickness of 1/3, should be repaired or replaced; 4) shape and fit Tolerance in line with the technical requirements of drawings: Long axis deep well pump impeller diversion shell flow size deviation of the site in line with the current industry standard "long axis deep well pump general technical conditions" requirements; submersible pump impeller diversion shell flow size deviation of the site in line with current national standards "Well with submersible pump technical conditions."

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