Ultrasonic Tumbler Screen for High Precision Powder Separation
By combining three-dimensional gyratory motion with high-frequency ultrasonic vibration, the Ultrasonic Tumbler Screen effectively prevents mesh blinding and ensures uniform particle distribution across the screening surface. Compared to traditional screening equipment, it offers advantages such as high throughput, superior separation precision, and reduced downtime.
What is an Ultrasonic Tumbler Screen?
The ultrasonic tumbler screen is a circular tumbler screen equipped with an ultrasonic screening system, specifically designed to overcome screening challenges associated with ultra-fine powders and materials that are prone to agglomeration, mesh blinding, adsorption, or high static electricity. It enhances throughput by increasing the material passage rate and reducing the risk of mesh blinding.
Ultrasonic Tumbler Screen Structure
The ultrasonic tumbler screen is primarily composed of a screen mesh, an ultrasonic system, a vibrator (excitation unit), a base, and a drive mechanism. The screen mesh is the critical component for material separation, with its aperture size determining the particle size of the screened material; the ultrasonic system serves to prevent mesh clogging and enhance screening efficiency. The vibrator generates the excitation force required to induce the necessary vibratory motion in the screen body; the base supports the entire screening unit; and the drive mechanism provides the power to operate the vibrator.
Working Principle
The operating principle of the ultrasonic tumbler screen relies primarily on its unique vibration motion, which combines spiral motion with three-dimensional tumbling.
Three-Dimensional Spiral Motion
Through an exciter that adjusts the eccentricity, the ultrasonic tumbler screen generates nonlinear three-dimensional motion. This motion causes the material to move in a spiral pattern across the screen surface, which helps distribute the material evenly and promotes the passage of fine particles through the screen openings.
Material Distribution and Screening
Once the material enters the screen surface, it is evenly distributed across the surface under the combined effects of centrifugal force and the screen’s motion. Material smaller than the screen aperture size falls through the apertures, while material larger than the aperture size remains on the screen surface, thereby achieving material separation and classification.
Screen Cleaning Device
To prevent screen aperture blockage, the ultrasonic tumbler screen is equipped with an ultrasonic screen cleaning device. This ensures unobstructed screen apertures and improves screening efficiency.
Screening Precision Adjustment
By adjusting parameters such as amplitude, frequency, and inclination angle, the movement of the material on the screen surface can be controlled to achieve the desired screening precision.
Features
1. Mimicking manual screening, the material undergoes translational movement on the screen platform. Material contact time with the screen typically exceeds 85%, and screening efficiency can reach over 95%.
2. The machine is available in sizes ranging from 1,200 mm to 2,600 mm in diameter, with a throughput 5 to 10 times that of a standard vibrating screen.
3. It can be equipped with up to five screening decks, enabling the separation of 2 to 6 different particle sizes.
4. The moving parts oscillate side-to-side rather than up-and-down like a vibrating screen, thereby reducing noise levels and minimizing damage to the screened material.
Technical Specifications
| Model | YBS-1200 | YBS-1500 | YBS-1600 | YBS-1800 | YBS-2000 | YBS-2600 |
| Screening Area (m²) | 1.10 | 1.60 | 1.80 | 2.40 | 2.90 | 5.30 |
| Number of Layers (n) | 1-5 | 1-5 | 1-5 | 1-5 | 1-5 | 1-5 |
| Occupied Area (A / m²) | ≥1.57 | ≥1.70 | ≥1.80 | ≥3.20 | ≥3.24 | ≥6.76 |
| Driving Power (P / KW) | 2.2 | 3.0 | 3.0 | 4.0 | 4.0 | 7.5 |
| Cleaning Method | 1.2.3 | 1.2.3 | 1.2.3 | 1.2.3 | 1.2.3 | 1.2.3 |
| Screening Efficiency (h / %) | ≥95 | ≥95 | ≥95 | ≥95 | ≥95 | ≥95 |
| Reference Weight (WT / KG) | 485 | 780 | 890 | 1100 | 1250 | 1660 |
Applications
Ultrasonic Tumbler Screen is widely used for high-precision separation of fine and difficult-to-sieve powders across multiple industries, ensuring stable performance and consistent particle size control.
Chemical & Materials Industry
Used for pigments, resins, coatings, and additives, effectively preventing mesh clogging and improving classification efficiency.
Food Industry
Suitable for milk powder, sugar, starch, and seasoning powders, meeting hygiene standards while ensuring uniform sieving results.
Pharmaceutical Industry
Applied in API powders and herbal materials, supporting high-precision separation with low contamination risk.
New Energy Materials
Used for lithium battery materials, graphite, and metal powders, ensuring stable and continuous fine powder processing.
Ultrasonic Tumbler Screen vs Standard Tumbler Screen
Tumbler screens are widely used for fine powder classification in industries such as chemical, food, pharmaceutical, and new energy. However, when processing ultra-fine, sticky, or electrostatic materials, standard systems often suffer from mesh clogging and reduced efficiency. If you want to balance reliable screening effect and favorable powder sieving machine price, the ultrasonic tumbler screen is an upgraded solution that integrates ultrasonic anti-blinding technology into the conventional tumbler screening system to improve screening stability and performance.
| Feature | Ultrasonic Tumbler Screen | Standard Tumbler Screen |
| Anti-clogging performance | High-frequency ultrasonic vibration effectively prevents mesh blinding and particle adhesion | Relies on mechanical tumbling only; prone to mesh clogging with fine powders |
| Screening precision | High precision, suitable for micron-level fine powder classification | Suitable for general particle sizing with limited fine powder capability |
| Material applicability | Ideal for cohesive, electrostatic, and sticky fine powders | Best for free-flowing dry powders and granules |
| Operational stability | Stable continuous operation with reduced downtime and cleaning frequency | May experience reduced efficiency during fine powder processing |
| System structure & cost | More complex structure with higher initial cost, but higher overall efficiency | Simple structure with lower investment cost |
Case Study
The Ultrasonic Tumbler Screen can be integrated with feeders or conveyors to form an integrated production line.
| Material | Mesh | Capacity (kg/h) | Model |
| Graphene | 300 / 500 | 2000 | YBS-2000-2S |
| Iron Oxide | 100 | 1000 | YBS-1000-1S |
| Limestone | 200 | 4500 | YBS-2600-1S |
| API Powder (Original Drug) | 325 | 600 | YBS-1000-1S |
| Cocoa Powder | 300 | 800 | YBS-1200-1S |
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