Tablet Deduster

Tablet dedusters are designed to remove dust and fine particles from the surface of tablets. Tablet dedusters not only ensure the cleanliness of tablets but also play an important role in maintaining product quality, meeting regulatory standards, and improving the efficiency of downstream packaging processes. They are essential equipment in the pharmaceutical industry.

What is a Tablet Deduster?

A tablet deduster is a dedicated machine used to clean and polish tablets by removing dust and fine particles generated during the tablet compression process. Integrating tablet deduster with a tablet press, manufacturers can streamline the production process while ensuring that the final product is contaminant free.

How Does a Tablet Deduster Work?

The working principle of a tablet deduster relies on controlled vibratory or rotary motion. Tablets are fed into the machine, where they are gently agitated to dislodge and remove dust. Some models incorporate air-powered suction systems to further enhance cleaning efficiency. Additionally, some models of dedusters are designed to elevate tablets to a higher level, facilitating seamless transfer to subsequent processing stages, such as coating or packaging.

Key Features and Materials

Tablet dedusters are constructed from high-quality stainless steel, which complies with GMP standards. Transparent acrylic is often used for observation, allowing operators to monitor the dedusting process without contaminants. Adjustable height settings and modular designs make sure these tablet deduster compatible with different models of tablet presses.

Applications of Tablet Dedusters

While primarily used in the pharmaceutical sector, tablet dedusters are also widely used in other industries, such as:

• Nutraceuticals: For cleaning dietary supplements.
• Cosmetics: To polish and clean compacted cosmetic products.
• Chemicals: To remove residual powder from chemical tablets.
• Food Industry: For dust removal from edible tablets or compressed food products.

Benefits of Using Tablet Dedusters

• Enhanced Tablet Quality: By removing dust and polishing tablets, dedusters improve the tablet quality.
• Regulatory Compliance: Ensures compliance with GMP, cGMP and other industry standards.
• Efficient Production: Minimizes downtime by integrating with tablet presses and packaging lines.
• Versatility: UPMACH’s tablet dedusters are suitable for a wide range of tablet sizes and shapes.
• Hygiene and Safety: Stainless steel construction and easy-to-clean designs reduce the risk of cross-contamination.

Types of Tablet Dedusters

UPMACH manufactures a wide range of tablet dedusters, including the Uphill Tablet Deduster, Cylindrical Rotary Tablet Deduster, and Downward Tablet Deduster, each type is designed to meet different production requirements.

Uphill Tablet Deduster

Uphill tablet deduster combines three functions as one – dust removal, lifting, and sieving. The inlet of the tablet deduster can be connected to any model of tablet press, and the outlet can be connected to a metal detector. When the deduster is connected to a vacuum system, then the deduster enables integrated production mode for tablet dust removal, lifting, sieving, and metal detection.

Working Principle of uphill tablet deduster

The uphill tablet deduster consists of a base, lifting system, vibration system, sieving system, and speed control system. During operation, the power is turned on, and the rotation speed can be adjusted. The tablet sieving drum rotates, and tablets enter the deduster from the previous process (tablet press etc.). After passing through the sieve, the tablets are discharged from the discharge port and flow into the hopper.

Features of uphill tablet deduster

1. Long Dust Removal Path: Ensures thorough dust removal, automatically tablet flipping for polishing, and high dedusting efficiency.
2. Quick-Connect Structure: The disassembly, installation, and cleaning are more convenient and faster due to the quick-connect design.
3. Modular Design: The outlet height is adjustable, and both the inlet and outlet can be rotated 360° for flexible configuration.
4. Variable Speed Control: The production speed adopts stepless adjustment, and suitable for different sizes of tablets.
5. Removable Sieving Disk: The sieving disk can be dismounted for easy cleaning without dead corners, complying with GMP standards.

UD230 Uphill Tablet Deduster

UD500 Uphill Tablet Deduster

UD750 Uphill Tablet Deduster

UD950 Uphill Tablet Deduster

Enclosed Tablet Deduster with WIP (Wash-In-Place)

Cylindrical Rotary Tablet Deduster

The Cylindrical Rotary Tablet Deduster uses compressed air for blowing, centrifugal force for dust removal, and rotary edge polishing to clean the dust on tablet surface and edge burrs. This dedusting process ensures that the tablet surfaces are clean and edges are smooth and neat. The sieving chamber is completely isolated from the drive unit. With the quick-detach structure, the assembly, disassembly, and cleaning are convenient. All parts in contact with the tablets are made of stainless steel, complying with GMP standards for pharmaceutical equipment. 

Working Principle of Cylindrical Rotary Tablet Deduster

Tablets are fed into the sieving drum from the hopper. The sieving drum that is driven by the AC motor and a gearbox rotates and moves the tablets along a spiral plate inside the drum toward the discharge port. The mesh on the drum gently polishes the edges of the tablets, meanwhile the compressed air nozzle continuously blows the tablet surfaces to remove dust. The sieving and conveying process takes place in a closed sieving chamber. During operation, both the sieving chamber and the inlet/outlet are maintained under negative pressure without dust emission.

Features of Cylindrical Rotary Tablet Deduster

• Stepless Speed Control: Equipped with a brushless AC motor to achieve stepless speed control, meeting dust removal requirements for different production capacities and tablet sizes.
• Adjustable Inlet and Outlet: The height and angle of both the inlet and outlet can be adjusted within a certain range to meet different operational needs.
• Easy Mobility: The base of the machine is provided with casters for easy mobility to the desired working location.
• Modular Structure: The machine consists of feeding hopper, drive unit, sieving chamber, sieving drum, air blast system, discharge port, frame, speed control device, and transmission mechanism.
• Effective Dust Separation: The centrifugal force, along with the air blast system and gravity, helps in separating the tablets from the dust. The vacuum system carries the dust away, hence cleaning the tablets and trimming the rough edges.
• Height and Angle Adjustment: The height and angle of the inlet and outlet can be adjusted with the lifting rods and locking handles.

SPJ137 Cylindrical Rotary Tablet Deduster

Downward Tablet Deduster 

The Downward Tablet Deduster is designed for dust removal to different shapes of tablets. The entire production process is intuitive and visible. Between the layers of sieves, the machine is installed with a powder isolation system to make the effective separation of tablets from dust. All tablet-contacting parts are made of SUS316L/SUS304 stainless steel, making the deduster compatible with any model of tablet press.

Features Downward Tablet Deduster

• GMP-Compliant Design: Meets the requirements of Good Manufacturing Practice (GMP) for pharmaceutical equipment.
• Multi-Layer Sieving Structure: with the help of multi-layer sieves, tablets and dust can be effectively separated.
• Intuitive and Visible Process: The whole process of dust removal is intuitive and visible.
• Adjustable Amplitude and Speed: Both vibration amplitude and production speed are continuously adjustable to meet different production needs.
• Easy Assembly and Cleaning: Simple to assemble, disassemble, and clean, ensuring convenience in operation and maintenance.
• Reliable Performance: high efficiency, low noise, and reliable operation.

CFQ300 Downward Tablet Deduster

How to choose the Right Tablet Deduster

The following are key considerations when selecting a tablet deduster:
•    Tablet Size and Shape: Make sure the deduster can accommodate your product dimensions.
•    Output Capacity: Match the deduster’s throughput with the tablet press production rate.
•    Dust Type and Quantity: Choose a deduster that has appropriate suction or filtering systems to handle the dust generated.
•    Additional Features: Options like integrated metal detectors or extended dedusting paths may be added for value.

Conclusion

Tablet dedusters are indispensable in the processes of cleaning, polishing, and product handling in the production of tablets. Thus, investment in the correct deduster and proper care allows manufacturers to ensure quality of product, maximization of productivity, and easy conformation to the requirements of standards.

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