Circular Swing Screen for High-Precision Material Screening
Yuanjing Machinery’s circular swing screen offers a highly efficient solution for the precision particle classification required in the powder, chemical, pharmaceutical, and food industries. The equipment utilizes an optimized “simulated manual gyratory” motion, combined with a precision tension-spring balancing system and multi-layer screening design, ensuring more uniform material distribution across the screen surface and improving screening uniformity by 20% compared to standard equipment. Consequently, it delivers high screening accuracy and gentle material handling, ensuring stable performance for applications involving fine powders and sensitive materials.
What Is a Circular Swing Screen?
The circular swing screen is specifically designed for high-throughput, high-precision screening requirements. Utilizing a principle that mimics manual screening, the swing screen achieves near-perfect screening results by adjusting the radial and tangential angles. Screening accuracy can reach over 95%, with a processing capacity 3–5 times that of ordinary screeners. Its screening accuracy and efficiency are 5–10 times higher than those of conventional circular screens. It is suitable for screening fine and ultra-fine powders and particulate materials, and is particularly well-suited for materials that are difficult to process, hard to screen, and require high throughput.
Circular Swing Screen Working Principle
Circular swing screen features a basic rotary motion similar to manual screening. Its instantaneous movement is a combination of radial displacement and circular motion around the axis of this displacement, forming a spiral motion.
The adjustable eccentric exciter generates a nonlinear three-dimensional motion, causing the material to move in a way that closely simulates manual sieving. It combines horizontal circular movement with upward throwing motion to create an efficient screening process.
The eccentricity can be adjusted from 25 to 40 mm, while the low-speed V-belt drive speed can be adjusted from 120 to 360 rpm. The residence time of different materials can be controlled by adjusting the radial movement and cutting angle of the swing screen toward the drive axis.
This creates a three-dimensional tumbling motion that combines horizontal movement and vertical throwing, allowing materials to be evenly distributed across the entire screen surface from the center to the outer edge while moving outward in a spiral path along the axial direction.
As a result, the circular swing screen achieves efficient material screening, separation, and classification.
Circular Swing Screen Advantages
A circular swing screen is designed for applications that require accurate particle separation, gentle material handling, and stable screening performance. Compared with conventional screening equipment, it uses a controlled swinging motion to improve screening efficiency while reducing damage to sensitive materials. This makes it an ideal high precision screening machine for fine powders, chemical materials, food ingredients, and other demanding industrial applications.
High Screening Efficiency
By mimicking the motions and processes of manual screening, the material follows an involute spiral path across the screen surface, ensuring precise contact between the material and the screen mesh. Screening accuracy reaches 90–95%, and compared to traditional screening equipment such as rotary vibrating screens and linear screens, it achieves up to five times the throughput per unit area.
Material Protection
The screening process is generally gentle, with low vertical acceleration of material particles. This prevents damage to the original structure of the particles and minimizes static electricity generation, making it an excellent choice for screening flammable, explosive, or mesh-clinging materials.
Low Noise
Operates with low noise levels—only one-fifth that of other vibrating screens—with noise levels as low as 75 dBa.
Dust-Free Design
The fully enclosed structure provides excellent sealing and dust removal, virtually eliminating material dust leakage. This makes the system more environmentally friendly and ensures safer operation for workers.
Easy-to-Maintain Structure
The circular, modular assembly design allows for simple installation and disassembly. An pneumatic lifting device facilitates disassembly, and both the interior and exterior are easy to clean with no hard-to-reach areas, meeting food-grade GMP standards.
Long Service Life
Operating at low frequencies and under light loads, the acceleration is 4.5 times lower than that of conventional vibrating screens. The low vertical acceleration of material particles minimizes screen damage, significantly extending the service life of the screens and other components while reducing operational and maintenance costs.
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Circular Swing Screen Compared with Square Swing Screen
| Comparison Item | Circular Swing Screen | Square Swing Screen |
| Screening Efficiency | Processing capacity: approximately 1-10 tons/hour | Higher processing capacity: approximately 5-20 tons/hour; screening efficiency up to 90%-99% |
| Screening Accuracy | Screening range: 2-600 mesh; excellent performance in ultra-fine powder screening | Screening range: 2-500 mesh; more suitable for materials below 300 mesh |
| Equipment Structure | Compact structure with small footprint, suitable for small and medium-scale production | Rectangular screen box design, supporting up to 10 screen decks, suitable for large-scale production |
| Suitable Materials | Ideal for fine and ultra-fine powders requiring high-precision screening | Suitable for granular, flaky, irregular-shaped materials and high-volume screening |
| Application Industries | Chemical, pharmaceutical, food, lithium battery, and other industries | Chemical, metallurgy, mining, feed, and other industries |
| Equipment Cost | Lower investment cost with better economic efficiency | Higher initial investment cost |
| Advantages | High screening accuracy, excellent ultra-fine screening performance, flexible and compact design | High capacity, multi-stage screening capability, stable structure, suitable for continuous production |
Aplicações
The circular swing screen is suitable for screening and classification of various powders, granules, and fine materials across multiple industries.
Indústria Alimentícia
Flour, sugar, starch, milk powder, cocoa powder, spices
Indústria Química
Resin powder, plastic powder, pigment, fertilizer, chemical additives
Indústria Farmacêutica
API powder, herbal powder, pharmaceutical ingredients, excipients
Mineral Industry
Mineral powder, quartz sand, silica sand, graphite, ceramic powder
New Material Industry
Battery materials, metal powder, carbon powder, advanced composite materials
Especificações Técnicas
| Modelo | 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 |
Price Of Circular Swing Screen
The price of circular tumbler screens varies depending on the material selected (carbon steel or stainless steel), the number of layers (1–5), and the design.
1. Material Options
Circular tumbler screens are available in either carbon steel or stainless steel, depending on the material being screened and the specific industry requirements. Stainless steel models are designed for applications requiring high levels of cleanliness or the handling of corrosive materials—such as in the food, pharmaceutical, and chemical industries—and carry a higher price tag due to the cost of the raw materials. However, for standard chemical materials without specialized industry requirements, a carbon steel tumbler screen is an excellent choice.
2. Number of Decks
O tumbler screening machine features up to five screen decks, enabling classification into as many as six size fractions. A greater number of separation grades requires more decks, as well as increased labor and consumables; consequently, the price rises with the number of decks. However, it is advisable not to select an excessive number of decks, as this can compromise screening efficiency.
3. Design Differences
O peneira tumbler ultrassônica is based on the standard tumbler sieve machine but incorporates an ultrasonic device and features a modified screen frame. This design accelerates the penetration speed and rate of powdered materials. The screen employs an adhesive mesh structure, which ensures more uniform transmission of vibration waves and greater structural integrity. It is particularly suitable for screening highly adhesive, high-viscosity, highly electrostatic, high-density, and ultrafine powders.
Circular Swing Screen Manufacturer
Xinxiang Yuanjing Machinery Co., Ltd. is a manufacturer of industrial screening and conveying equipment, integrating R&D, production, and sales. Its product lines include ultrasonic sieving machine , circular vibrating screens,commercial flour sifter machines, inline vibrating screens, tumbler sieve machines, vacuum conveying equipment,linear motion vibrating screen and dust-free feeding systems. The company holds ISO9001 quality management system certification and EU CE certification, and is supported by a professional team dedicated to production, logistics, and after-sales service.
Equipped with modern, standardized production lines and industry-leading manufacturing equipment—including laser cutting machines, automatic bending machines, lathes, machining centers, automatic rolling and flanging machines, and automatic welding equipment.We handle the entire production process in-house—eliminating the need for outsourcing—which shortens lead times and reduces rework rates. Additionally, we maintain ample stock of standard components and can complete custom-made products within just 5–7 working days, ensuring rapid delivery and reliable scheduling.
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