What is Submersible Pump?
Submersible pump work in water, so they can transport fluids below the liquid surface to above the liquid surface. Submersible pumps have sealed motors to prevent water from entering. They are more efficient than regular pumps, and the liquid flowing around the motor continuously cools the pump to ensure maximum efficiency.
How Does a Submersible Pump Work?
Motor Drive Process
After electric starting, the rotor rotates, and during this process, electrical energy becomes mechanical energy.
Then, the pump shaft transfers energy to the impeller, causing the impeller to rotate.
Water Intake Process
First, the motor drives the impeller to rotate, and the rotating impeller sucks the liquid into the center of the impeller, and then the impeller throws the water around.
In short, in this process, the centrifugal force of the impeller is the key factor in the entire operation of the submersible pump.
Pressurization Process
With the impeller constantly rotating to generate centrifugal force in the process, the impeller accelerates the fluid and throws it around, high-speed movement of the liquid in the gradually narrowing the flow channel to accumulate and wait for discharge.
At this time, the pressure of the liquid gradually increased.
Process of Elimination
The pressurized liquid flows through the flow channel, the narrowing of the flow channel and the smaller pump outlet opening further increase the pressure of the liquid.
Finally, the pump discharges the high-pressure liquid from the pump outlet.
Process of Water Circulation
Continuous water intake and drainage by the submersible pump creates a continuous water flow movement. This continuous and stable water flow ensures that the project can be completed efficiently.
Conclusions
The submersible pump generates kinetic energy through the electric motor to rotate the impeller, which sucks in the liquid under the action of the centrifugal force of the impeller, and finally discharges the liquid at high speed and high pressure. The whole system runs continuously to produce water circulation. There is no doubt that a stable and efficient submersible pump is the key to the fluid delivery system.
Video-How a Slurry Pump Work? (Centrifugal Pumps)
FAQ About Submersible Pump
How to Choose the Right Submersible Pump?
You need to determine the use scenario of the submersible pump, based on the pump curve diagram provided by the pump manufacturer and the required flow rate and head, you can have a basic selection, we recommend contacting Kingda experts directly, we will help you to solve all the problems.
Different Types of Submersible Pumps
- Submersible Water Pump
- Submersible Slurry Pump
- Submersible Pump with Oil Filling
- Submersible Stainless Steel Pump
- Booster Pump
- Grinder Pump
- Submersible Well Pump
- Dry Pit Pump
- Submersible Sewage Pump
- Dewatering Pump
Main Parts of a Submersible Pump
Pump casing: The pump casing is the container that holds the individual pump components, and is generally manufactured from high chrome alloy.
Motor: The motor of the submersible pump is sealed to prevent water from entering and can operate completely under water.
Pump Shaft: The main function of the pump shaft is to connect the motor to the impeller, transmit power from the motor, and support the impeller in rotation.
Impeller: The impeller draws in and discharges liquid mainly by rotating.
How Does A Submersible Well Pump Work？
Submersible well pumps are water pumps installed in deep wells. They have extremely high sealing performance, and the motor and pump body are integrated.
Submersible well pumps are also centrifugal pumps. When the motor is running, the pump shaft drives the impeller to rotate, and the centrifugal force generated draws water into the pump. The water is pressurized and the submersible well pump transports it upward to the ground through the water pipe.
How Does A Float Switch Work On A Submersible Pump？
The main function of the submersible pump float switch is to automatically control the start and stop of the submersible pump to prevent the motor from running dry or water overflowing.
The float switch is a floating ball floating on the water. There is a switch inside the float that can monitor the water level. When the water level rises to the set position, the switch inside the float opens and the submersible pump starts pumping water. When the water level drops to the limit value, the switch inside the float automatically closes and the submersible pump stops working.
How Does A Submersible Pump Control Box Work？
The submersible pump control box is like a brain. It monitors the working status of the submersible pump at all times and automatically starts and stops the submersible pump as needed.
The submersible pump control box contains power controller, relay, float signal interface, timer and other equipment.
After the control box is powered on, it will enter the monitoring state. When the float detects that the water level rises, the control box receives the signal and starts the switch, and the submersible pump starts working.
The submersible pump control box can not only automatically start and stop the submersible pump, but also time the switch and frequency conversion control of the submersible pump. It is the brain of the submersible pump.
