Indonesia Bandung customer installs and debugs drum coating machine
2025-12-29 10:55:52
By : root
The customer in Bandung, Indonesia installed and debugged a rotary drum coating machine. The customer’s company is a large-scale fertilizer production enterprise in Indonesia, and we will do our best in technology and service to create greater value for the customer
A
Rotary drum coating machine (also called a
rotary drum coater or
coating drum) is an industrial processing equipment designed to apply a uniform layer of coating material to solid particles, tablets, or small components by combining
rotational tumbling motion with a
spray system. It is widely used across multiple industries to enhance product properties, protect surfaces, or modify appearance.
The machine operates on a simple yet effective principle:
- Loading: Material (granules, tablets, small parts) is placed inside a rotating cylindrical drum
- Rotation: The drum rotates at a controlled speed, creating a tumbling motion that ensures all particles are constantly exposed
- Coating Application: A spray system atomizes liquid coating material (or applies powder) evenly over the tumbling bed of material
- Adhesion: The rotating/tumbling action distributes the coating through particle-to-particle contact, ensuring uniform coverage
- Drying/Curing (if needed): Some systems include heating/cooling or airflow to set the coating
A typical rotary drum coating machine consists of:
Rotary drum coaters are versatile and used in various sectors:
- Tablet film coating: Applying protective, taste-masking, or controlled-release films
- Pellet coating: Coating drug-loaded pellets for modified release profiles
- Enteric coating: Creating acid-resistant layers for stomach-sensitive medications
- Preventing caking by applying anti-caking agents
- Reducing moisture absorption with hydrophobic coatings
- Adding nutrients or microorganisms to fertilizer granules
- Controlling nutrient release in slow-release fertilizers
- Chocolate coating: Coating candies, nuts, or snacks
- Sugar coating: Creating glossy finishes on confectionery
- Breading application: Coating meat products (chicken wings, nuggets)
- Fat/vitamin coating: Enhancing feed pellet nutrition
- Feed production: Coating animal feed pellets with oils, vitamins, or enzymes
- Small parts coating: Corrosion protection for screws, bolts, and hardware
- Plastics/rubber: Surface modification of small components
- Mineral processing: Coating granules for specific industrial applications
- Uniform Coating: Tumbling action ensures consistent coverage on all particle surfaces
- Scalability: From small batch (laboratory) to large-scale continuous production
- Gentle Processing: Minimal particle damage compared to high-shear methods
- Flexibility: Accommodates various coating materials (liquids, solutions, suspensions, powders)
- Cost-Effective: Lower operational costs than some specialized coating technologies
- Process Control: Adjustable parameters for precise coating thickness and quality
- Batch vs. Continuous: Batch machines process fixed quantities; continuous models allow constant material flow
- Hot Drum vs. Cold Drum: Hot drum systems cure coatings during application
- Powder vs. Liquid Coating: Adapted for different coating material states
- Perforated vs. Solid Drum: Perforated drums allow airflow for faster drying
A rotary drum coating machine is a fundamental piece of industrial equipment that uses rotational tumbling and spray technology to apply uniform coatings to particulate materials. Its adaptability across pharmaceutical, food, fertilizer, and other industries makes it indispensable for product enhancement, protection, and functional modification.
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