vacuum coater machine

The vacuum coater machine by RICHI ensures precise liquid addition under vacuum conditions. By infusing nutrients deep into feed particles, it improves nutritional value and feed quality, making it ideal for premium pet food and specialized aquatic production lines.

Product Overview

The vacuum coater machine fits automated production lines and high-precision liquid addition. It uses a sealed suction system to run 24/7 under precise vacuum control. Maintenance is simple due to its stainless steel design and easy cleaning. The machine processes pellets and liquids into uniform, high-quality batches for various feed formulas. It ensures deep penetration and even distribution, creating nutrient-rich feed to improve consistency.

Capacity: 4-15 T/H

Power: 11-30 KW

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Technical Structure of Vacuum Coater Machine

The professional vacuum coater integrates several functional modules to complete air suction, oil spraying, and uniform mixing with high precision. This airtight structure ensures stable low-pressure operation while simplifying daily cleaning and maintenance tasks for your technical team.

Sealed Vacuum Mixing Tank

This professional tank uses high-quality stainless steel to prevent feed from sticking to the inner walls. The heavy-duty metal drum withstands high pressure levels while the internal air stays in a low-pressure state. This specialized vacuum environment allows nutritional liquids to enter the core of the particles very effectively. The smooth surface design simplifies your daily cleaning tasks and ensures long-term hygienic production for your factory.

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Slow Rotation Stirring Part

Specialized screw-shaped blades rotate very slowly to prevent any crushing of delicate feed particles during the process. These stirring parts allow every single grain to roll evenly under the high-performance spray nozzles. This constant movement ensures that every side of the feed receives a uniform coating of liquid additives. Reliable vacuum coater machine design maintains high product integrity while achieving a perfectly balanced mixing result for your brand.

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High Performance Vacuum System

This integrated system uses powerful pumps and sensors to reduce internal pressure to very low industrial levels. The significant pressure difference between inside and outside creates a strong thrust to press liquids into particles. Precise valves manage the air suction process to maintain a stable vacuum environment throughout the entire work cycle. Efficient vacuum technology ensures deep penetration of oils and enzymes to improve the final quality of feed.

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Precision Liquid Spraying Unit

Specialized weight-measuring pumps and splitters send liquids to various positions inside the vacuum coater machine with high accuracy. This advanced system can separate multiple liquid types and add them according to your specific recipe requirements. Professional nozzles break the liquid into tiny droplets to ensure even distribution without any local buildup issues. Consistent spraying performance prevents material waste and enhances the nutritional value of every batch produced daily.

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Specialized Sealing Mechanism

High-quality sealing valves open and close quickly to manage the loading and discharging of raw materials. This airtight structure prevents any leakage during the vacuum stage to maintain a stable internal pressure environment. Operators can open the specialized inspection door to perform quick cleaning and routine maintenance tasks very easily. The robust sealing design protects the equipment from dust and ensures a safe working area for employees.

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Smart Electronic Control Center

A professional touchscreen control center allows operators to manage vacuum pressure and liquid amounts with one touch. The smart software saves all production parameters and runs the entire work cycle automatically according to programs. This automated system reduces human error and eliminates the need for constant manual monitoring of the process. Real-time data tracking of vacuum coater machine helps your technical team maintain strict quality control and improve overall management efficiency.

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Tanks

Blade

Vacuu

Spray

Seals

Logic

Technical Parameters

Performance metrics for the vacuum coater machine are based on its seamless integration within the feed production line. The interplay between vacuum duration and liquid atomization ensures a stable output that meets the rigorous demands of high-fat or specialized aqua-feed formulations.

Model	Capacity(TPH)	Motor Power(kw)	Oil spraying ratio	Maxi Negative pressure
SYPZ1200	4-6	11	2%-28%	-980mbar
SYPZ2000	8-10	22	2%-28%	-980mbar
SYPZ2500	10-15	30	2%-28%	-980mbar

Operational Principles of Vacuum Coater Machine

Our vacuum coater creates a deep-vacuum environment to infuse liquid additives directly into the core of porous feed pellets. This advanced technology achieves high-dosage absorption and superior coating uniformity to enhance the nutritional value of every batch.

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Vacuum Chamber Decompression

The system initiates the process by evacuating air from the airtight mixing chamber to create a low-pressure environment. This powerful vacuum draws air out from the internal pores of the feed pellets to prepare them for maximum absorption. The mechanical pumps maintain a precise negative pressure level to ensure consistent conditions for every production cycle.

This decompression stage sets the foundation for a deep, core-level infusion rather than a simple surface coating.

Precision Liquid Injection

The control unit of vacuum coater machine activates high-precision sprayers to introduce oils, fats, or enzymes into the vacuumized chamber. These nozzles distribute the liquid additives evenly over the agitated pellets to ensure a primary surface coverage.

The system monitors the exact weight of the injected liquids through real-time load cells to maintain a strict adherence to the formula. Digital flow valves adjust the injection speed instantly to match the specific absorption characteristics of different feed types.

Atmospheric Pressure Infusion

The machine gradually restores atmospheric pressure to force the external liquids deep into the empty pores of the pellets. This physical pressure differential drives the additives from the surface into the center of each particle for total penetration.

The pellets lock the liquids inside their structure, which creates a clean, non-greasy exterior for better handling and storage. This infusion mechanism allows for higher fat inclusion rates that traditional atmospheric coaters simply cannot achieve.

Uniform Mixing and Discharge

Internal mixing paddles gently rotate the material to ensure that every pellet receives an identical dosage of the liquid additives. The slow-speed agitation prevents physical damage or breakage to fragile pellets during the high-pressure infusion process.

Once the coating cycle finishes, the automated discharge gate of vacuum coater machine opens to release the finished product into the downstream cooling or packaging line. This controlled exit ensures a smooth transition and maintains the structural integrity of the enhanced feed.

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Key Advantages of Vacuum Coater Machine

The professional vacuum coater features an excellent structural design to maximize your daily production efficiency. This advanced technology significantly improves final product quality while effectively controlling operational costs for your manufacturing facility.

Precise Uniform Addition

The machine combines fine mist spraying with gentle stirring in a specialized airless environment. This advanced technology allows the liquid addition uniformity to reach a professional three to five percent. Stable formula control ensures that every batch of feed meets your strict nutritional quality standards.

Precise spraying effectively prevents the waste of expensive raw materials during the long-term production process. Your technical team can maintain high consistency across various liquid types for better market reputation.

Low Breakage Rate

The vacuum coater machine uses a specialized gentle stirring method to protect your delicate feed particles during the entire mechanical cycle. This scientific approach causes very little mechanical damage to the materials during the entire coating cycle. The particle breakage rate remains significantly lower than that of any ordinary liquid spraying equipment.

High product integrity improves the overall yield and visual appearance of your finished feed products. Maintaining perfect particle shapes helps you deliver professional results to your customers in the global market.

High Nutrient Retention

The vacuum coater machine sprays nutritional liquids after the feed particles already formed in the previous stage to ensure maximum chemical stability. This professional process avoids the high-temperature processing stage to protect your sensitive core ingredients.

The retention rate of heat-sensitive vitamins and enzymes reaches over ninety percent after the coating. Preserving high nutritional value ensures that your feed provides the best growth results for animals. This efficient technology allows you to produce high-end functional feed with superior health benefits easily.

High Liquid Capacity

The significant pressure difference after air removal improves the total absorption capacity of the feed particles. The machine easily achieves high-ratio additions of five to thirty percent for oils or compound liquids. This powerful performance meets the specific production needs of high-energy aquatic feed and pet food.

Professional vacuum technology ensures deep penetration without leaving any oily residue on the particle surfaces. Your factory can produce specialized high-performance formulas to satisfy diverse requirements in the livestock industry.

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Global Case Study

The professional vacuum coater machine runs stably in many countries to solve complex nutrient addition problems for high-requirement feed production. These successful global installations prove our technical excellence in providing customized solutions for diverse industrial environments.

Salmon Processing Plant in Norway

This customer needed to add large amounts of oil when producing high-energy aquatic feed for salmon. We used the significant pressure difference created by our vacuum coater to force oil into the micropores. This advanced method successfully met the strict oil content standards for the local cold-water fish market. The liquid oil now penetrates deeply and does not leak into the water environment easily during feeding. Our professional technology ensures high physical stability and nutritional integrity for every single batch produced daily. The factory management feels very satisfied with the improved growth results of the final aquatic products.

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Pet Food Production Line in Vietnam

The customer required specific flavorings and oils to be sprayed on their premium cat and dog food. We used specialized mist-spraying technology to ensure every piece of feed was evenly covered with nutritional liquids. The palatability of the finished product improved significantly and the quality remained stable across different production batches. This professional upgrade helped the factory reduce their return rate and enhanced their brand reputation in Vietnam. Our automated system manages the entire coating process with much higher efficiency and less manual monitoring work. The production line now maintains a clean environment while meeting all local food safety and hygiene standards.

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High-End Ruminant Feed Project in the USA

For this US-based project, we deployed a vacuum coater machine system with precise pressure control to force rumen‑bypass nutrients and protective oils deep into every feed particle. This boosts nutrient uptake and improves herd performance for local producers. The system accurately handles multiple liquid additives, ensuring consistent formula batch after batch. Built for continuous industrial operation, it delivers rugged durability, while intuitive controls and minimal maintenance keep the plant team running smoothly.

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Animal Feed Pellet Project in Egypt

The customer wanted to spray heat-sensitive vitamins and enzymes on their finished poultry pellets after the processing stage. We placed the professional spraying section after the high-temperature conditioning to avoid any heat damage to the nutrients. This smart layout made the core nutrients more stable and improved the final feed conversion rate effectively. The facility now achieves much higher nutritional standards without increasing the total cost of the raw materials. Our equipment provides a flexible solution for modern factories to produce high-end functional feed for diverse animals. The project successfully passed the final quality inspection and earned high praise from the industrial management team.

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Application Scope of Vacuum Coater Machine

The vacuum coater, an advanced auxiliary equipment for adding liquid ingredients to finished pellets in various industries, fits into the final production stages to ensure the precise coating of essential nutrients and additives for different animal feed types.

Industry Applications

Aquatic Feed Lines: Used for post-spraying of oils and nutrients in fish and shrimp feed lines. Machine fits final stage of aquatic production to handle delicate floating or sinking pellets.

Ruminant Feed Lines: Applied in high-energy feed production for large animals like cattle and sheep. System works at end of line to add fats or molasses to finished ruminant pellets.

Pet Food Projects: Used in specialized production lines for high-end dog and cat food. It fits processing for premium pet snacks and kibbles requiring external liquid flavorings and oils.

Target Animals

Aquaculture Species: Specifically used for coating tasks for aquatic species like fish and shrimp. This application fits strict production standards for modern water-based animal feed factories.

Ruminants & Pets: Applied to feed production for large animals like cattle and sheep, dogs and cats. It is suitable for high-nutrition formulas for domestic pets and livestock.

High-End Poultry: Used for specialized feed lines for pigs and chickens requiring extra liquid nutrients. Application fits premium poultry farms focusing on high-growth performance and health.

Processing Materials

Extruded Pellets: Handles all types of expanded and extruded pellets during final coating process. Machine fits these porous materials to allow deep penetration of liquids into pellet cores.

Post-Spraying Liquids: Used for addition of various oils, probiotics, and enzymes onto pellet surfaces. Main choice for factories adding heat-sensitive vitamins and flavorings after heating.

Functional Additives: Supports precise coating of functional liquids and diverse nutritional additives. Application covers many complex feed formulas requiring high-quality liquid distribution.

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Buyer’s Guide & Support Center

All your questions are answered here! Below are answers to frequently asked questions about the vacuum coater machine, providing you with comprehensive answers.

Why should I choose a vacuum coater instead of a standard coater?

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The machine works by removing air from the inside of the feed particles. This creates space for liquids like oil or vitamins to soak deeply into the center of each pellet. A standard coater only covers the surface, but this machine ensures the liquid distributes evenly throughout the entire particle. You get a much higher quality product with better nutritional value.

Can I adjust the vacuum level for different types of feed?

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Yes, the system allows you to change the vacuum settings easily. Different feed formulas and ingredients require different levels of suction to absorb liquids correctly. You can set the machine to provide the exact amount of pressure needed for each specific batch. This flexibility ensures that every type of feed you produce receives the perfect amount of liquid coating.

Does material stick to the inside of the machine and cause clogs?

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No, the inner walls of the mixing tank are made from high-grade stainless steel with a very smooth finish. This smooth surface stops feed particles and sticky oils from building up on the inside. The machine also features a large access door that allows you to reach the interior quickly. You can clean the tank easily to maintain high hygiene standards for your production line.

Will the mixing process break my fragile feed pellets?

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The machine protects your pellets by using a very gentle, low-speed stirring action. It moves the material carefully while the vacuum pulls the liquid into the pores. This method causes much less damage than high-speed sprayers that use atmospheric pressure. Your finished pellets will stay whole and look professional without creating excess dust or broken pieces.

How do I know if this machine fits my current production speed?

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We help you choose a model that handles the exact amount of material your factory produces per batch. The machine works in perfect timing with your existing pellet mills or extruders to keep the production flow steady. This coordination prevents any backups in your system and ensures that the entire line operates at peak efficiency without stopping.

Is the electricity cost very high for running this vacuum system?

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The vacuum coater machine is very efficient because it uses modern vacuum pumps and optimized motors. The system only uses the necessary amount of power to reach the required vacuum level and stir the material. You get a very high-quality coating for a very low cost per ton of feed. This makes the equipment a very smart investment for long-term industrial use.