Pharmaceutical Vibro Sifter – High-Precision Sieving for Pharma
Yuanjing Machinery specializes in the R&D and manufacturing of pharmaceutical screening equipment, offering high-precision, low-noise, and easy-to-clean Pharmaceutical Vibro Sifters. These units are suitable for Active Pharmaceutical Ingredients (APIs), Microcrystalline Cellulose, tablet coating powders, and other powdered or granular materials.
Our pharmaceutical vibro sifters enable multi-layer screening and high-capacity processing, ensuring a stable and efficient production process while simultaneously minimizing the risk of cross-contamination.
Model: YJ-400/600/800/1000/1200/1500/1800mm
Mesh Size: 5–500 Mesh
Capacity: 100–3500 kg/h
Material: 304/316L Stainless Steel
Number of Layers: 1–5
Voltage: Customizable
What is a Pharmaceutical Vibro Sifter?
The Pharmaceutical Vibro Sifter is a powder and granule classification and screening device specifically designed for the pharmaceutical industry.
Utilizing vibrational force, it passes materials through screens of varying mesh sizes to achieve particle size classification, impurity removal, and material homogenization, thereby ensuring the quality of pharmaceutical production and process stability.
Types of Pharmaceutical Vibro Sifters
Different pharmaceutical materials require different screening technologies. Depending on particle size, screening accuracy, capacity requirements, and material characteristics, pharmaceutical vibro sifters can be categorized into three main types: Rotary Vibrating Sifter, Tumbler Screening Machine, and Linear Vibrating Screen. Each type is designed to meet specific pharmaceutical processing requirements while ensuring product quality, hygiene, and compliance with GMP standards.
Rotary Vibrating Sifter for Pharmaceutical Powders
The rotary vibrating screen is a widely used piece of equipment in the pharmaceutical industry, primarily utilized for the screening of Active Pharmaceutical Ingredients (APIs), tablet coating powders, microcrystalline cellulose (MCC), Traditional Chinese Medicine (TCM) powders, and liquid pharmaceuticals. This device employs a vertical vibrating motor to generate three-dimensional circular motion, thereby achieving highly efficient particle separation and impurity removal.
Given that materials in the TCM industry predominantly exist in powder or liquid forms, screening equipment is essential for sifting and removing impurities to ensure the quality of TCM powders and liquid preparations. Consequently, this series of screening machines has become the preferred choice for numerous TCM manufacturing enterprises.
Tumbler Screening Machine for High-Precision Pharmaceutical Screening
The Tumbler Screening Machine simulates manual sieving motion, providing gentle and highly accurate particle separation. It is particularly suitable for ultra-fine pharmaceutical powders and fragile materials that require minimal particle damage.
The machine delivers higher screening precision and longer material residence time on the screen surface.Furthermore, by increasing the contact area between the material and the screen mesh, the output capacity is 1 to 5 times greater than that of a standard circular screen.
Linear Vibrating Screen for Large-Capacity Pharmaceutical Processing
The linear vibrating screen utilizes a dual-vibration motor drive system to generate linear motion, thereby efficiently conveying materials across the screen surface. Thanks to its high throughput capacity, this equipment is particularly well-suited for integration into continuous production lines.
This device is frequently employed in the processing of pharmaceutical raw materials for large-scale screening, dewatering, and classification operations. It is especially effective for processing Western-style tablets—specifically those featuring a glossy, hard-shell coating—as the linear screen’s rapid screening speed minimizes the tablets’ dwell time on the mesh, thereby reducing surface friction and enhancing overall tablet quality.
Applications of the Pharmaceutical Vibro Sifter
1. Applications in Pharmaceutical Powders
During the screening of pharmaceutical powders, common issues such as excessive fiber content, high viscosity, static electricity, and low specific gravity often arise. These factors lead to low screening throughput, poor operational continuity, difficult cleaning, and reduced production efficiency, thereby increasing the operational burden on the vibrating screen. The adoption of an ultrasonic de-blinding system effectively resolves these issues and significantly reduces screen clogging. For materials characterized by low specific gravity and high adsorptivity, this system enhances production efficiency and screening precision, while substantially reducing labor intensity and minimizing the waste of finished products.
2. Applications in Pharmaceutical Granules
Generally, the fineness of both Traditional Chinese Medicine and Western pharmaceutical granules is required to pass through a 10–50 mesh screen. Furthermore, the proportion of fine particles—specifically those that pass through a 10-mesh screen but fail to pass through a 65-mesh screen—should not exceed 8%. The system also effectively mitigates issues related to clumping and moisture.
3. Applications in Pharmaceutical Extracts
1) After undergoing coarse filtration in a storage tank, the liquid extract is fed into a pharmaceutical liquid vibrating screening machine; the finest filtration capability allows for passage through a 625-mesh (20-micron) screen. The machine features an automatic residue discharge function, enabling continuous operation, eliminating screen clogging, and ensuring process continuity. Simultaneously, it improves product recovery rates and reduces the labor intensity required of workers.
2) In the pure sedimentation process, if this equipment is not utilized, valuable liquid components may be lost along with the solid residue. By employing this system, the finished product within the slurry can be effectively recovered; furthermore, the resulting waste residue is rendered drier, thereby minimizing environmental pollution.
Why Choose Our Pharmaceutical Vibro Sifter?
Precision and Stability
The system offers a screening precision of up to 500 mesh. A scientifically engineered screen-tensioning structure ensures that this precision remains undiminished over time, while the vibration source guarantees stable long-term operation, maintaining a screening efficiency of over 95%.
Materials and Craftsmanship
All components in contact with the materials must be constructed from food-grade 304 or 316L stainless steel. Furthermore, all weld seams undergo argon arc welding and polishing treatments to eliminate any hygienic dead zones or potential corrosion risks. This rigorous standard serves as the fundamental physical basis for meeting certifications such as GMP and FDA.
Customization and Adaptability
Materials of different physical forms require specific vibration frequencies and screen configurations. Dry powders, prone to dust generation, necessitate a fully sealed, dust-proof cover; wet granules, which tend to adhere to the screen, require the use of a 6-pole motor (characterized by low frequency and high amplitude) to prevent screen clogging; and liquid materials require a leak-proof design, featuring specialized screen frames and diversion troughs.
Safety and Explosion Protection
In pharmaceutical manufacturing environments involving alcohol, organic solvents, or flammable/explosive dusts, standard motors can pose significant safety hazards. Yuanjing Machinery offers comprehensive safety solutions, including explosion-proof motors, anti-static grounding systems, and fully enclosed structural designs.
Our Cases
Discover how our high-precision pharmaceutical vibro sifters optimize pharmaceutical screening across various materials and production scales.
| Sifter Type | Material Type | Application | Mesh Count (mesh) | Processing Method | Capacity (kg/h) | Recommended Model |
| Rotary Vibrating Sifter | API | Fine screening of raw APIs | 60/80 | Dry | 300 | YJ-800-2S |
| Chinese Medicine Extract Powder | Removal of impurities | 50 | Dry | 1000 | YJ-1500-1S | |
| Tumbler Screening Machine | Biological Formulation Carrier | Grading of biological raw materials | 120 | Dry | 500 | YBS-1000-1S |
| Probiotic Powder | Classification of probiotic powders | 200 | Dry | 500 | YBS-1200-1S | |
| Linear Vibrating Screen | Granules (Wet Method) | Post-granulation classification | 20 | Wet | 2000 | YJZ-1530-1S |
| Tablet Granules | Tablet granule sizing | 4 | Dry | 1350 | YJZ-1020-1S |
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Vibrating Screen and Conveyor Machine Manufacturer & Supplier
Built for precision screening, reliable performance, and flexible industrial applications,
Yuanjing rotary vibrating screens are trusted by customers worldwide.
Global Project Experience
Yuanjing products are exported to 50+ countries and regions, serving industries including food, chemicals, pharmaceuticals, mining, and new energy.
Strong Manufacturing Capability
Advanced production lines with laser cutting, CNC machining, automatic welding, and strict quality inspection ensure consistent product quality.
Accurate & Stable Separation
Optimized vibration design delivers even material flow, high screening accuracy, and stable long-term operation.
Customized Screening Solutions
Yuanjing offers flexible configurations in diameter, mesh size, deck layers, and material options to fit your exact process requirements.
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