Vacuum pump use and maintenance
There may be some problems in the use of the vacuum pump. The following are the specific solutions summarized by Dongshan technology technicians:
First, the flow rate of the vacuum pump is not enough 1. There is a problem: the bottom valve is too small Solution: Replace the appropriate bottom valve for the pump 2. There is a problem: the depth of the suction pipe is not enough, there is an air suction pump solution: increase the immersion of the suction pipe Depth 3. There is a problem: the suction line is too thin or the debris is blocked. Solution: Replace the appropriate pipeline to remove debris 4. Problems occur: the impeller is seriously worn or severely corroded. Solution: Replace the impeller 5. There is a problem: the seal ring Serious wear or corrosion solution: Replace the new seal ring 6. There is a problem: the clearance between the semi-open impeller and the pump cover is too large. Solution: Reduce the gap 7. There is a problem: the speed is reduced too much. Solution: check the current, restore the speed two. The lift of the vacuum pump is not enough 1. There is a problem: the impeller corrosion is serious. Solution: Replace the new impeller 2. There is a problem: the performance of the pump can not meet the design requirements. Solution: change the vacuum pump that meets the design requirements. 3. Problems: insufficient speed solution : Check the current, restore the speed 4. There is a problem: the clearance between the semi-open impeller and the pump cover is too large. Solution: reduce the clearance three, the vacuum pump packing seal leakage is serious 1. There is a problem: the packing pressure is too loose. Solution: tighten the packing gland to the appropriate degree. 2. There is a problem: the packing device is not easy to solve: adjust the packing lap to make it staggered at a certain angle not in one direction 3. There is a problem : The packing size is different or the wear is serious. Solution: Replace the uniform type of packing 4. There is a problem: the packing quality is poor. The sealing is not good. Solution: Replace the asbestos packing that meets the requirements. 5. There is a problem: the bushing wears too much. Replace the bushing 4. The vacuum pump vibration is serious 1. There is a problem: the vacuum pump motor shaft is not the same solution: adjust the alignment, align the pump and the motor shaft 2. There is a problem: the pump shaft bending solution: remove the straightening or replace the new 3 There is a problem: the impeller imbalance solution: remove the balance to find the five, the vacuum pump does not produce liquid 1. There is a problem: no liquid solution: refill the pump 2. There is a problem: the suction pipe, the outlet pipe or the pump flow channel is blocked Solution: Eliminate sundries 3. Problems: No suction gas in the suction pipe or pump Solution: Repair the suction line and drain the gas. 4. Problems: suction height The allowable range solution: press the pump to allow the height to be re-pressed. 5. There is a problem: the extrusion line is too thin, the pipeline loss is too large. Solution: Replace the suitable extrusion line 6. There is a problem: the use of the lift exceeds The design of the lift solution: re-selection of the pump 7. Problems: transporting hot, volatile media solutions: lowering the suction stroke or using the reverse irrigation installation. 8. Problems: Steering reverse solution: correcting the steering six, vacuum pump machinery Seal leakage is serious 1. Problems occur: insufficient spring pressure Solution: Re-adjust the spring compression or change the spring 2. There is a problem: dynamic or static ring end face corrosion, wear or scratch solution: repair or replace the bad moving ring static ring 3. There is a problem: the fixing screw is loose, so that the spring is not working. Solution: tighten the screw or re-adjust the spring 4. There is a problem: the moving ring seal is equipped with a diagonal roll or corrosion deformation solution: reinstall or replace the pump with a moving ring seal Circle 5. There is a problem: static ring assembly skew solution: reinstall the pump static ring 6. There is a problem: the bushing processing accuracy and smoothness is not enough, affecting the axial movement of the moving ring Dynamic solution: change the machining precision of the bushing 7. There is a problem: impurities, foreign matter or medium crystals affect the axial movement of the moving ring or support between the end faces of the moving and stationary rings. Solution: Eliminate impurities, foreign matter and crystallization , thoroughly clean the sealing components.
First, the flow rate of the vacuum pump is not enough 1. There is a problem: the bottom valve is too small Solution: Replace the appropriate bottom valve for the pump 2. There is a problem: the depth of the suction pipe is not enough, there is an air suction pump solution: increase the immersion of the suction pipe Depth 3. There is a problem: the suction line is too thin or the debris is blocked. Solution: Replace the appropriate pipeline to remove debris 4. Problems occur: the impeller is seriously worn or severely corroded. Solution: Replace the impeller 5. There is a problem: the seal ring Serious wear or corrosion solution: Replace the new seal ring 6. There is a problem: the clearance between the semi-open impeller and the pump cover is too large. Solution: Reduce the gap 7. There is a problem: the speed is reduced too much. Solution: check the current, restore the speed two. The lift of the vacuum pump is not enough 1. There is a problem: the impeller corrosion is serious. Solution: Replace the new impeller 2. There is a problem: the performance of the pump can not meet the design requirements. Solution: change the vacuum pump that meets the design requirements. 3. Problems: insufficient speed solution : Check the current, restore the speed 4. There is a problem: the clearance between the semi-open impeller and the pump cover is too large. Solution: reduce the clearance three, the vacuum pump packing seal leakage is serious 1. There is a problem: the packing pressure is too loose. Solution: tighten the packing gland to the appropriate degree. 2. There is a problem: the packing device is not easy to solve: adjust the packing lap to make it staggered at a certain angle not in one direction 3. There is a problem : The packing size is different or the wear is serious. Solution: Replace the uniform type of packing 4. There is a problem: the packing quality is poor. The sealing is not good. Solution: Replace the asbestos packing that meets the requirements. 5. There is a problem: the bushing wears too much. Replace the bushing 4. The vacuum pump vibration is serious 1. There is a problem: the vacuum pump motor shaft is not the same solution: adjust the alignment, align the pump and the motor shaft 2. There is a problem: the pump shaft bending solution: remove the straightening or replace the new 3 There is a problem: the impeller imbalance solution: remove the balance to find the five, the vacuum pump does not produce liquid 1. There is a problem: no liquid solution: refill the pump 2. There is a problem: the suction pipe, the outlet pipe or the pump flow channel is blocked Solution: Eliminate sundries 3. Problems: No suction gas in the suction pipe or pump Solution: Repair the suction line and drain the gas. 4. Problems: suction height The allowable range solution: press the pump to allow the height to be re-pressed. 5. There is a problem: the extrusion line is too thin, the pipeline loss is too large. Solution: Replace the suitable extrusion line 6. There is a problem: the use of the lift exceeds The design of the lift solution: re-selection of the pump 7. Problems: transporting hot, volatile media solutions: lowering the suction stroke or using the reverse irrigation installation. 8. Problems: Steering reverse solution: correcting the steering six, vacuum pump machinery Seal leakage is serious 1. Problems occur: insufficient spring pressure Solution: Re-adjust the spring compression or change the spring 2. There is a problem: dynamic or static ring end face corrosion, wear or scratch solution: repair or replace the bad moving ring static ring 3. There is a problem: the fixing screw is loose, so that the spring is not working. Solution: tighten the screw or re-adjust the spring 4. There is a problem: the moving ring seal is equipped with a diagonal roll or corrosion deformation solution: reinstall or replace the pump with a moving ring seal Circle 5. There is a problem: static ring assembly skew solution: reinstall the pump static ring 6. There is a problem: the bushing processing accuracy and smoothness is not enough, affecting the axial movement of the moving ring Dynamic solution: change the machining precision of the bushing 7. There is a problem: impurities, foreign matter or medium crystals affect the axial movement of the moving ring or support between the end faces of the moving and stationary rings. Solution: Eliminate impurities, foreign matter and crystallization , thoroughly clean the sealing components.
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