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| Some key techniques on inspection and maintenance process for vertical axial flow pump |
| LIU Guo-hua |
| Foshan Abundant Harvest Draining Water Pumping Station, Foshan, Guangdong 528000, China |
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Abstract Taking the Foshan Abundant Harvest Draining Water Pumping Station as an example,the basic structure and the main motion parts of the vertical axial flow pump were introduced.The stress and wear-and-tear parts,such as axial bearing bush,packing,up and down rubber shaft bearings,bearing holder,blade and impeller were analyzed.Based on the routine operation,maintenance and practical recovery processing of the pump,some appropriate procedures were established.The key techniques on the inspection and maintenance processes of the pump were finally summarized.The inspection and maintenance processes will be beneficial to the technicians for the pump malfunction descovery and it’s recovery processing.Consequently,the pump will work better and its service life will be effectively extended.vertical axial flow pump;pumping station;maintenance; inspection;bearing
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Received: 08 August 2013
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