What is the difference and connection between long shaft pump and deep well pump

Industry news

2023-05-23

　　Long shaft pumps and deep well pumps are both types of centrifugal pumps, but they have different characteristics in terms of structure and application. The long shaft pump is a centrifugal pump with a long axis, usually used to transport liquids with large flow and low head, such as clean water, sewage, oil, etc. The deep well pump is a pump specially used to extract groundwater from deep wells, and is usually used in fields such as agriculture, industry and urban water supply.

　　What is the difference and connection between long shaft pump and deep well pump

　　The main feature of long-shaft pumps is the long axis, which usually requires bearings and supports to support the rotor of the pump. The bearings of long shaft pumps usually adopt rolling bearings or sliding bearings, which have high load carrying capacity and wear resistance. The impeller of the long-shaft pump is usually an open or semi-open structure, which is easy to clean and maintain. The long shaft pump has a wide range of applications and can be used to transport various liquids, but its delivery head is low, and it is generally not suitable for high head occasions.

　　The main feature of the deep well pump is its compact structure, which usually adopts the structure of a multistage centrifugal pump to improve the head and efficiency. The axis of the deep well pump is relatively short, and usually does not require bearings and supports, but the position of the pump is fixed by cables and slings. The impeller of the deep well pump is usually a closed structure to avoid pumping impurities and dirt. The scope of application of deep well pumps is mainly to extract groundwater, usually used in fields such as agriculture, industry, and urban water supply. Its delivery head is high, and it is generally suitable for occasions that need to deliver high-lift liquids.

　　To sum up, long shaft pumps and deep well pumps have different characteristics in terms of structure and application, but they are both a type of centrifugal pump, and both have the function of transporting liquid. In practical application, the appropriate pump type should be selected according to the specific working conditions and requirements to achieve the best effect and economic benefits.

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