Protein Powder Stainless Steel Vibrating Screen is mainly used for grading, impurity removal, and screening of protein powder. It removes impurities and agglomerated particles introduced during the production process, ensuring uniform particle size and purity. This meets the quality requirements of various scenarios, including sports nutrition products, meal replacement foods, and infant formula. Made primarily of 304 or 316L stainless steel, it conforms to food-grade production standards. Its advantages of corrosion resistance, easy cleaning, and no material residue solve the sieving challenges of protein powder's light weight, tendency to generate static electricity, and easy dust dispersion. Customization is available, allowing for the production of products with varying heights, diameters, materials, and shapes to meet different production needs.
The core working principle of the Protein Powder Stainless Steel Vibrating Screen is to utilize the excitation force generated by a vibrating motor to convert the motor's rotational motion into a three-dimensional composite motion (horizontal, vertical, and inclined), which is then transmitted to the screen surface. After the protein powder enters the screen surface, it undergoes a jumping motion under the action of the composite vibration force. Qualified powder smaller than the screen mesh size passes through the screen holes and falls into the lower discharge port, while impurities and agglomerated particles larger than the screen mesh size move along the screen surface to the discharge port, achieving the dual purpose of grading and impurity removal.
The Protein Powder Stainless Steel Vibrating Screen has a compact and reasonable structure, mainly composed of five core components, all made of food-grade stainless steel. The inner wall is mirror-polished, smooth and without dead corners. The screen body, as the core load-bearing component, is welded from steel plates, possessing excellent rigidity and sealing. A vibrating motor, the power source, is installed at the top or bottom of the screen body; the material movement trajectory can be altered by adjusting the phase angle of the eccentric counterweight. The screen mesh, a wear part, can be replaced with different mesh sizes to adapt to different particle size screening requirements. Shock-absorbing springs are installed between the screen body and the support frame, reducing operating noise and protecting the machine body to extend its service life.
The Protein Powder Stainless Steel Vibrating Screen is constructed entirely of 304/316L stainless steel, is sealed and dustproof, and effectively solves the problems of protein powder agglomeration and high fineness requirements. It operates smoothly with low noise and supports non-standard customization, making it an ideal device for screening and removing impurities from whey, soybean, and pea protein powders.
Fine Screening: Capable of screening protein powder and granules up to 500 mesh or 0.028 mm; non-standard customized screens are supported.
Anti-clogging screen: Each screen layer is equipped with a bouncing screen cleaning device. Through continuous impact, the material is smoothly screened, effectively preventing clogging.
Continuous operation: Impurities and coarse materials are automatically discharged, allowing for continuous operation with a production capacity of up to 5 tons/hour.
Enclosed structure: A fully sealed structure prevents powder spillage, ensuring a clean screening environment.
Convenient and quick: The outlet can rotate 360°, and filter replacement takes only 3-5 minutes.
| Model |
Diameter (mm) |
Feeding Size (mm) |
Frequency (RPM) |
Layers |
Power (kw) |
Capacity (kg/h） |
| DH-400 | 400 | <10 | <1500 | 1-5 | 0.18 | 100 |
| DH-600 | 600 | 0.25 | 200 | |||
| DH-800 | 800 | 0.55 | 500 | |||
| DH-1000 | 1000 | 0.75 | 800 | |||
| DH-1200 | 1200 | 1.1 | 1200 | |||
| DH-1500 | 1500 | 1.5 | 1800 | |||
| DH-1800 | 1800 | 2.2 | 2000 |
Addressing the common problems of agglomeration, screen clogging, and high fineness requirements in protein powder screening, Dahan Machinery offers two solutions: a rotary vibrating screen and an ultrasonic rotary vibrating screen. The former is suitable for rapid grading and impurity removal of conventional protein powder; the latter effectively breaks down fine powder adsorption and prevents screen clogging through an ultrasonic system.
Vibrating Screen:This is the most commonly used basic machine for protein powder sieving, also known as a three-dimensional vibrating screen filter. It uses a vertical vibrating motor drive, generating compound vibration through the rotation of eccentric weights at the upper and lower ends of the motor. It has a compact structure, small footprint, and stable sieving accuracy, suitable for 100-400 mesh protein powder sieving needs, and can quickly complete impurity removal and grading operations.
Ultrasonic Vibrating Screen:This is an upgrade from the ordinary vibrating screen, featuring an independent external ultrasonic sieving system. Its core advantage is solving the problem of screen clogging in ultrafine protein powder. It converts industrial frequency electrical energy into high-frequency electrical signals through an ultrasonic power supply, which are then converted into high-frequency mechanical vibrations acting on the screen surface. This, combined with the low-frequency vibration of the motor, forms a compound vibration, completely eliminating electrostatic adsorption and agglomeration of materials, and can exceed 500 mesh for ultrafine sieving requirements.
Machine Material:All parts are made of 304/316 stainless steel, including contact parts.
Observation Hole and Inlet: Observation holes can be added to the machine cover according to customer requirements for easy inspection of material screening. The inlet can be designed in various shapes according to customer requirements.
Equipment Surface Treatment: The inner and outer surfaces are mirror-polished, leaving no dead corners. Painting, sandblasting, and other processing methods can also be used according to customer requirements.
Screen Cleaning Device: Different screen cleaning devices, such as bouncing balls or ultrasonic generators, can be selected based on the characteristics of the material.
A biotechnology company, deeply involved in the R&D and production of functional protein powders for ten years, specializing in whey protein powder and plant protein meal replacement powders, previously used traditional carbon steel vibrating screens. These screens suffered from material contamination, easy clogging, and insufficient screening accuracy, failing to meet export standards. In 2025, the company purchased our customized ultrasonic rotary vibrating screen combined with a conventional rotary vibrating screen. Both devices are made of 316L stainless steel and are suitable for 250-mesh ultrafine screening. After being put into use, the problem of electrostatic clogging of protein powder screens was completely solved, increasing the hourly processing capacity to 500 kg. The equipment operates at a noise level as low as 62 decibels, meeting workshop requirements.
Dahan Machinery supplies Protein Powder Stainless Steel Vibrating Screens, made of high-quality 304/316L stainless steel. With a fully sealed design, it offers high screening accuracy and outstanding efficiency, effectively solving the screening problems of protein powder's tendency to clump and its high fineness requirements. Personalized non-standard customization is supported; different numbers of layers, sizes, and discharge port directions can be customized according to customer production volume, workshop layout, and screening process requirements to adapt to different types of protein powder production scenarios. The products are sold globally, winning the trust of numerous protein powder manufacturers with stable performance and attentive after-sales service.
As a key piece of equipment in the protein powder production process, the quality of the Protein Powder Stainless Steel Vibrating Screen directly determines the purity, particle size uniformity, and production efficiency of the protein powder, adapting to the screening, impurity removal, and grading needs of various protein powders.
Yes, the Protein Powder Stainless Steel Vibrating Screen is also suitable for filtering and screening liquid proteins. Installing different mesh sizes effectively removes lumps, impurities, and flocculents from liquid proteins, improving the smoothness of the slurry.
1-5 multi-layer screening layers can be installed. Each additional layer separates the material into multiple grades according to particle size, yielding 2-6 different specifications of finished products from a single feed.
The mesh size selection depends on the required fineness of the protein powder and the particle size of the impurities. For regular protein powder, 80-120 mesh is recommended; for high-purity ultrafine powder, 150-200 mesh can be used; 40-60 mesh is typically used for filtering and removing impurities from liquid proteins.
Yes, Dahan Machinery has mature foreign trade export experience, and its products can be shipped to many countries and regions worldwide. The equipment complies with international certification standards such as CE and supports customized motors based on local voltage and frequency. An English manual and customs clearance documents are provided with the shipment. We will arrange a professional logistics team to handle sea, air, or land transportation, ensuring secure packaging and timely delivery.
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