Jul 22, 2021 Leave a message

Submersible pump structure and working principle

The application of submersible pumps is extensive, spanning across various industries. To enhance their performance, it is crucial to establish standardization measures during regular periods. Moreover, I would like to provide insights into the structure and functionality of such equipment. By reorganizing the aforementioned information while preserving the original content, I aim to deliver a highly similar but distinct presentation.

 

Structure:

The pump body of the submersible pump is comprised of various components, including a pumping pipe, a pump seat, a submersible motor (which includes cables), and a starting protection device. These parts work together to form the functional aspect of the pump.

 


Working principle:

To ensure the proper operation of the submersible pump, it is essential to fill both the suction pipe and the pump with liquid before turning it on. Neglecting this crucial step can potentially damage the pump and compromise its effectiveness.

 

Once the pump is activated, the impeller swiftly rotates, causing the liquid within it to spin alongside the blade. This spinning motion, driven by the centrifugal force, forces the liquid to separate from the impeller and shoot outwards. Subsequently, the velocity of the expelled liquid in the pump casing's diffusion chamber gradually diminishes while the pressure steadily rises. Ultimately, the discharge pipe facilitates the flow of the liquid from the pump's outlet.

 

Throughout the process of operation, the blade of the submersible pump throws the center towards the surrounding area, generating a vacuum low pressure zone devoid of air or liquid. Consequently, the liquid from the liquid pool rushes into the suction pipe by being propelled by atmospheric pressure on the pool surface. At this stage, the liquid is continuously drawn from the liquid pool into the pump, passing through the discharge pipe. This ultimately allows the liquid to depart from the discharge pipe in a steady flow.

 

Submersible pumps prove to be an ideal choice for extracting groundwater from deep wells and are prominently employed for water lifting projects like rivers, reservoirs, and canals. In practical applications, these pumps are majorly utilized for irrigating farmlands, offering water supplies for human and animal consumption, especially in high-altitude regions. They are also instrumental in providing water supply and drainage for urban regions, factories, railways, mines, and construction sites. The versatility and efficiency of these pumps make them a popular choice across various industries and applications.

 


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