An Introduction to Electronic Pumps

Posted on Apr 25, 2021

Electronic Pumps

Electronic pumps employ the moving element like vane, piston, impeller, or diaphragm that drives the flow of water or gas. When the fluids get moved, the side of low pressure is created that fills up with more fluids. In electric air pumps, the gas is compressed and then forced into the determined chamber.

What Are Electronic Pumps Used for?

Electronic pumps are water pumps or air pumps that are powered only by an electrical power source, operating with the impeller blades, vanes, diaphragm design, or other general pump design to transfer and supply the fluids. Electronic pump, which is widely called an electric pump, comes in numerous types which are individually suitable for a large range of various liquid conveying applications including pumping water, oil, well water, chemical liquids across the industries. 

Electronic pumps can be used for handling liquid or gas flows. Depending on the flowing fluids that the electronic pump is transporting, the pump configuration will be slightly different. Electric water pumps mostly work pipelines and a series of tubes to add the pressure or transport the liquids through mechanical force toward the desired location, the next pump, or the end of the tubing, for example. Electronic water pumps can also be used for transferring oils, foods, beverages, sludge, wastewater, and more unique liquid applications. The electric air pump or gas pump, on the other hand, typically acts as the simple version of an air compressor, increasing the pressure and consuming the electric power to create the vacuum suction during the process. 

When it comes to some common electronic pump types in the market, there are centrifugal pumps, the booster pump, the submersible pump, gear pump, screw pump, and many more. The universal goal of electric pumps is to constantly provide high-performance fluid pressure and transferring or cooling and be durable even when working under extreme conditions in hazardous climates and terrains. The electronic pump is commonly utilized in medical equipment, buildings, commercial businesses, schools, aquarium filtering, pond filtering, cooling and fuel injection systems in the automotive industry, and other industrial use in the metalworking and energy industry.
 

Working Principle of Electronic Pumps

Electronic pumps employ the moving element like vane, piston, impeller, or diaphragm that drives the flow of water or gas. When the fluids get moved, the side of low pressure is created that fills up with more fluids. In electric air pumps, the gas is compressed and then forced into the determined chamber. Using the electrical power which is from the direct electrical power supplying unit or the DC power from the batteries, the electronic pumps can be the reliable solution for pressure gauges and automated on/off switching applications. 

Since modern electronic pumps are mostly powered by fully variable electrical current, they can be more flexible in operations and usage than some traditional pump types, for example, the belt-driven style. With the rise of the need for heating or cooling systems in automobiles or other industrial use, the technology allows the operators of the electric pumps to adjust the speed where the coolant passes through the working engine at a predetermined time. With the electronic water pumps, the engine and the entire system can be more fuel-efficient and provide fast treatment to meet the cooling needs.
 

:: Read More: Electronic Water Pump: Home vs. Occasional Use

Different Types of Electronic Pump

Electronic pumps are electrical-powered pumps that can be divided into two pump families, which are the centrifugal pumps and the positive displacement pumps. Regarding the comparison of the two pump types which involve many subtypes, the electric centrifugal pumps are basically best suited for the user requiring a higher flow rate in the system. Most water pumps that are employed in chemical plants are centrifugal pumps. However, there are still numerous applications where positive displacement pumps are more suitable, especially for transferring and compressing the air. The following is a quick guide to the two pump families.
 

Electronic Centrifugal Pump and Booster Pump

Centrifugal electric pump converts the rotational energy from the impeller design to the mechanical force to move the fluids, which are unlimitedly flexible and efficient. Utilizing the power from the electric motor which drives the rotor, the centrifugal pump can apply pressure in the flowing flows and increase their velocity as they flow through the impeller along the rotational axis. After being drawn into the rotor and accelerated, the flows will linearly move to the diffuser and leave the electronic pump. The electric centrifugal water pump is an ideal solution for water supply, pumping, pressure boosting, cooling, domestic use, or some industrial applications that require fire protection or boiled water circulation models.

As for the electric booster pumps, they are centrifugal pumps that typically use more than one impeller to draw the fluid flows through the inlet. These multi-stage electric booster pumps are used for applications requiring pressure more than general centrifugal pumps can transfer like transporting water up to greatly high elevations, or pipelines having another pump which needs to prevent from cavitating.
 

Electronic Positive Displacement (PD) Pump

The positive displacement (PD) pump can be basically divided into the reciprocating type and rotary type. The design which involves repeatedly enclosing movement of the fixed volume of fluids of the electric positive displacement pumps allows the consistent operations for fluid transferring. The motion forces the flows are cyclic and mechanical which are driven by screws, rollers, pistons, gears, and so on.

For example, the reciprocating style of PD pumps relies on the back-and-forth strokes of the plunger or piston in general. The motions create pulses, accelerating the fluids at the compression stage and slowing them down at the suction stage. The predictable cycles are advantageous for precise metering and dosing operations. Diaphragm air pump is one popular PD pump for air flows that employs a chamber acting as a springy diaphragm. 

On the other hand, there is a rotary style of positive displacement pumps including rotary gear pumps, rotary vane pumps, and many more. These PD electric pumps rely on the rotation of cogs or gears to move the fluids instead of depending on the back-and-forth cyclic movements. The rotary element can generate the liquid seal with the casing and create a suction, drawing the fluids from the inlet. In a gear pump, the fluids get into an enclosed structure of gear teeth under rotation and then exit from the outlet.

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