Centrifugal Sifter

Centrifugal Sifter is a type of industrial screening machine used to treat powders, agglomerates, and granules. Centrifugal sifters are great for scalping away big particles and eliminating foreign compounds from raw materials because they are cost-effective, boost production efficiency, and work with less noise and vibration than other types of screens.

Centrifugal sifter can perform high-capacity scalping and sift for both large and small applications. When processing materials containing significant volumes of moisture, fat, or oil, the unique centrifugal motion, and flexible screen cloth considerably eliminate the most difficult blinding difficulties faced with standard screens.

Centrifugal Sifter is one of the most versatile screening equipment used in a variety of sectors, including food, pharmaceuticals, chemicals, dyes and pigments, plastics, and many more. Because of its unique and unparalleled benefits, a centrifugal sifter is one of the most revolutionary screening devices.

It is the most appropriate and dependable Rotary Sifter for Sieving and checking to screen low bulk-density applications or materials. It's made for high-capacity scalping and sifting in both big and small-scale processes. Sifter screens with centrifugal action are suited for processing a wide range of powders, granules, and other free-flowing materials.

Principle of Centrifugal Sifters

The Centrifugal Sifter screens Powders and Granular materials using centrifugal forces. One input and two exits are usually used, one for undersize or in-spec powders and the other for bigger particles or foreign pollutants. In contrast to vibratory sieves, which normally have the primary inlet and outflow in line with each other, the intake and outlet are off-centre.

A tiny auger pushes the bulk powders into the cylindrically formed sieving chamber when the material is delivered into the powder sifter's input. The powders tumble around inside the screen basket due to rapidly revolving paddles linked to the central driving shaft. A cage supports the screen, which may be removed for screen maintenance and replacement.

The powder particles are thrown against the screen as the paddles revolve. Particles smaller than the mesh aperture pass past the screen, are channelled via the discharge hopper and are discharged to the downstream process. Oversized items have carried the length of the screen until they depart through the overs or refuse outlet.

The usage of a screen, sometimes known as a mesh, is an old particle separation technique. The technology has continually progressed, even though the technique is rather old. Centrifugal sifting is a simple procedure that uses centrifugal force to separate materials based on particle size.

An auger transports the material horizontally into the cylindrical sifting chamber after it is fed from a vertical feed intake. Material is repeatedly propelled toward the sieve screen within the chamber by revolving, helical paddles.

The paddles' rotational movement provides enough centrifugal force on the material to sift it through the sieve's perforations, where smaller particles pass through and end up in a big hopper. Any residual large particles or foreign material is advanced to the sifting chamber's end and discarded into a separate hopper through a baffle.

When quality control is critical, this hopper is sometimes equipped with a collecting container for capturing and inspecting the rejected products. In conclusion, centrifugal sifters can handle a wide range of materials and are an important quality control step when off-spec particles or foreign material must be removed.

Applications Of Centrifugal Sifter

In several methods, centrifugal sifter aid the elimination of undesired objects or unnecessary particles. A customer handling bulk materials may frequently use centrifugal sifters at the discharge of their bulk storage tank or silo, for example.

Centrifugal sifters are also employed below intermediate bulk unload sites like FIBCs or hand-add stations, as well as at the start of a blending process in some situations. The centrifugal sifters are meant to remove light agglomerates that may have developed in storage, as well as foreign particles such as paper, thread, etc plastic that may have been introduced during material handling and unloading.

Centrifugal Sifters are used to screen materials at the end of a procedure in another application. Sifters can remove soft agglomerates and grit, conditioning goods as they depart the blender, for example, in a blending plant. Centrifugal sifters are used at the conclusion of a process to eliminate any off-spec material before the product is packed and sold.

They perform a critical quality control step in a range of applications in both cases. Centrifugal sifters are used in food, pet food, chemical, pharmaceutical, and other industrial areas to process a broad range of items.

Flour, sugar, baking ingredients, cereals, spices, lead oxide, plastic powders, powder coating, chemicals, and so on are only a few of the things available. Many businesses depend on centrifugal sifters. They offer one such approach for particle separation in the processing of dry, free-flowing materials. Centrifugal sifters are perfect for sifting and scalping a variety of powders, agglomerates, and granules since they are versatile, inexpensive, and have a small footprint.

Centrifugal Sifter may serve a considerably wider range of applications in gravity feed applications (i.e., Safety, Scalping, Classifying, and De-dusting). In pressure conveying lines, however, they are only used for safety screening. The screen must be coarse enough to allow powder particles to readily flow through the mesh aperture due to the usage of pressure.

If a rotary sifter were used in a pneumatic conveying system for a scalping application, the pressure would drive the near-size particles to blind the screen mesh, discharging good powder out of the rejected end. In both uses, the design of the dry material screener will be different, and it must be developed and manufactured suitably.

It's also worth noting that Centrifugal Sifters for conveying lines are only suitable for dilute phase applications and should never be utilized for dense phases. This is because the amount of pressure an inline sifter can endure is limited. To move material down its path, the dilute phase requires high pressure and low velocity. A centrifugal sifter can only handle 12 psi of pressure; any higher and the seals may fail, resulting in a dusty mess in your work area.

Benefits Of Centrifugal Sifter

Utilized for dense phase. This is because the amount of pressure an inline sifter can endure is limited. To move material down its path, the dilute phase requires high pressure and low velocity. A centrifugal sifter can only handle 12 psi of pressure; any higher and the seals may fail, resulting in a dusty mess in your work area.

Many businesses, including food, pharmaceuticals, minerals, chemicals, and others, must now adhere to different acts, regulations, and laws that safeguard people's safety and product quality.

In sectors like food and pharmaceuticals, even minor contamination may have a significant impact on the final product's quality, which can be harmful to the end consumer. If appropriately placed, a centrifugal sifter may provide a completely contained and dust-free environment during the screening and sieving operation, avoiding any tiny contamination that could be human-generated or airborne.

• Compact, Dust-free, and Hygienic design:

  One of the first reasons why Centrifugal Sifter is a hit in the pharmaceutical, food, and beverage industries is its compact, dust-free, and sanitary design. Centrifugal Sifters are built in such a way that the risks of contamination are nearly non-existent. It is designed to provide substantially better throughput for various process sectors while also delivering a dust-free environment as a primary benefit.

• There is no vibration and the noise level is low:

  When compared to traditional sifters, the Centrifugal sifter is quiet and operates on a vibration-free principle. The sifter produces very little noise, less than 80 decibels to be exact.

• Quick Screen Change:

  The Centrifugal Sifter allows for quicker screen changes than any other separator or sifter ever while maintaining the separation basics. This sifter's silk and clever design allow you to replace the screen in about 2 minutes.

• Multiple Cleaning Options:

  The Centrifugal Sifter's functionality has simplified the process of cleaning the mesh and basket, making it more convenient and easy for us.

Our Principal

Kiron Food Processing Technologies, in collaboration with Farleygreene Sieving Technology, offers a comprehensive centrifugal sifter system. Our rotary sifters are engineered to satisfy the ever-increasing requirements of current applications and processes. For a wide range of sifting applications, the machine range, sizes, features, and configurations may be optimized.

Farley Greene Sieving Technology has been manufacturing and supplying Sieve, Sifter, Screener, and Separator gear to some of the world's most prestigious enterprises since 1976. Our basic line of sieves is intended to handle all elements of sieving and screening applications, and each machine may be reconfigured to match practically any requirement.