What are the advantages and disadvantages of submersible pump?

Submersible pump, also known as electric submersible pump, is a kind of submersible pump that can be completely immersed in water. A pump that seals the tight coupling of the motor and the pump to the main body.

Submersible pump pushes the surface of water into pressure energy and kinetic energy through rotating energy. This is done by pumping water into the pump: first, at the air inlet, the rotating impeller pushes the water through the diffuser. From there, its surface.

The main advantage of submersible pump is that there will never be a primer, because it has been submerged in the fluid. Submersible pumps are also very efficient because they don't spend too much energy to inject water into the pump. The water pressure pushes the water into the submersible pump, which saves a lot of energy.

In addition, although the pump itself is not flexible, it is of course a choice. Some submersible pumps can handle solids easily, while others are only suitable for liquids. Submersible pumps are quiet, because they are in water, cavitation is never a problem, because there is no "second kill" pressure, because water flows through the pump.

The use of submersible pump has several disadvantages, all of which are sealed. Over time, it may become a corrosive seal. When this happens, water will leak into the motor, making it unusable until it is repaired. In addition, it is a little difficult to seal the submersible pump for maintenance.

Another major disadvantage is that one pump is not suitable for all purposes. Single-stage pumps are used in most domestic and light industrial pumps. This includes aquarium filters, sewage pumping stations and sewage pump drainage. Multistage pumps are used in any underground, such as water wells or oil wells. In addition, the working principle of the pump is similar to water, such as liquid, dilute or thick sewage.

Note that submersible pumps must be used and must be completely submerged in water. The water around the submersible pump actually helps to cool the motor. If water is used, it may overheat.