A plunger pump is a type of positive displacement pump that uses a reciprocating plunger to move fluid through a cylindrical chamber or cylinder. The plunger is typically made of metal or ceramic and is sealed with packing or o-rings to prevent leakage. As the plunger moves back and forth, it creates a vacuum that draws fluid into the chamber on the intake stroke and then forces the fluid out of the chamber on the discharge stroke. Plunger pumps are commonly used in a variety of applications, including high-pressure cleaning, oil and gas processing, and water treatment. They are known for their high efficiency, reliability, and ability to handle a wide range of fluids and pressures.
plunger pump in filter press
Plunger pumps are often used in filter press applications to pump the slurry, which is a mixture of solid particles and liquid, into the press. The filter press is a device that separates solids from liquids by passing the slurry through a series of filter plates. The plunger pump is used to force the slurry into the press, which is then separated into a solid cake and a liquid filtrate.
In filter press applications, the plunger pump is typically used to generate high pressures to overcome the resistance of the filter media and to force the slurry into the press. The plunger pump is often chosen for filter press applications because of its ability to generate high pressure and its positive displacement characteristics, which ensure a consistent flow rate and pressure.
In addition, plunger pumps are often designed with materials that are resistant to corrosion and abrasion, which makes them suitable for handling abrasive or corrosive fluids commonly found in filter press applications.
plunger pump type
There are several types of plunger pumps, each with its own design and operating characteristics. Some common types of plunger pumps include:
- Axial plunger pump: This type of pump has a cylindrical plunger that moves in an axial direction to create pressure. The plunger is typically driven by a cam or a crankshaft, and it is sealed with packing or o-rings to prevent leakage.
- Radial plunger pump: In this type of pump, the plunger moves in a radial direction, perpendicular to the axis of rotation. The plunger is typically driven by a crankshaft, and it is sealed with packing or o-rings to prevent leakage.
- Triplex plunger pump: This type of pump has three plungers that are arranged in a triangular pattern. The plungers are driven by a crankshaft, and they are sealed with packing or o-rings to prevent leakage. Triplex plunger pumps are known for their high efficiency and reliability, and they are commonly used in applications such as high-pressure cleaning and water treatment.
- Duplex plunger pump: This type of pump has two plungers that are arranged in a parallel pattern. The plungers are typically driven by a crankshaft, and they are sealed with packing or o-rings to prevent leakage. Duplex plunger pumps are often used in applications that require high flow rates and moderate pressure.
- Quintuplex plunger pump: This type of pump has five plungers that are arranged in a circular pattern. The plungers are driven by a crankshaft, and they are sealed with packing or o-rings to prevent leakage. Quintuplex plunger pumps are often used in applications that require high flow rates and high pressure, such as oil and gas processing.
The choice of plunger pump type depends on the specific application requirements, such as flow rate, pressure, and fluid properties.