Case Study: Automated Milk Powder Filling & Canning Line Delivered in Vietnam
VTOPS successfully delivered and commissioned a customized automated milk powder filling and canning line for a food manufacturer in Vietnam. The project was designed to meet strict hygiene standards, stable filling accuracy, and long-term production reliability for powdered dairy products.
Project Background & Application
Milk powder filling and canning lines are widely used by dairy manufacturers to package infant formula, nutritional milk powder, and other powdered food products. Compared with liquid filling, milk powder packaging places higher demands on hygiene control, filling accuracy, dust management, and sealing reliability.
For this project, the customer required a stable and automated solution capable of filling 1 kg milk powder cans with consistent accuracy while ensuring product safety during storage and transportation. VTOPS provided a complete canning line covering cleaning, sterilizing, feeding, filling, inspection, and nitrogen sealing.
Line Configuration Overview
1. Empty Can Cleaning & Sterilizing System
The line starts with an empty can cleaning and sterilizing system to ensure that each container meets hygiene requirements before filling. Dust, foreign particles, and potential contaminants are removed to minimize the risk of secondary contamination during the filling process.
2. Automatic Can Feeding System
Empty cans are automatically conveyed into the production line in a stable and continuous manner. This automated feeding process reduces manual handling, improves line efficiency, and ensures consistent positioning for downstream operations.
3. Powder Feeding & Auger Filling System
Milk powder is conveyed to the auger filler through a controlled feeding system. The auger filling machine accurately dispenses a predetermined weight of powder into each can. Stable feeding and precise auger control help maintain filling accuracy even during continuous operation.
4. Checkweigher for Weight Verification
An online checkweigher inspects each filled can to verify whether the net weight falls within the specified tolerance. Underweight or overweight cans are automatically rejected, ensuring only qualified products proceed to the next stage.
5. Vacuum & Nitrogen Sealing System
After filling, the cans are sealed using a combination of vacuum and nitrogen flushing. This process effectively reduces oxygen content inside the can, helping to preserve product freshness, extend shelf life, and improve overall product stability.
Project Key Parameters
- Product: Milk Powder
- Filling Weight: 1 kg per can
- Filling Speed: 13–14 cans per minute
- Filling Accuracy: ±7 g
- Sealing Method: Vacuum + Nitrogen Flushing
- Installation Location: Vietnam
Project Highlights
- Customized line design based on customer’s production requirements
- Stable filling accuracy for large-weight milk powder cans
- Integrated inspection system to reduce manual quality checks
- Nitrogen sealing to improve product shelf life and safety
- Fully automated operation to reduce labor intensity
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Customer Requirements & Results
According to the customer’s production requirements, the milk powder filling line needed to maintain consistent accuracy while operating at a stable output. After installation and commissioning, the line achieved a filling speed of 13–14 cans per minute with an accuracy of ±7 g.
The automated configuration reduced manual intervention, improved hygiene control, and enhanced overall production efficiency. The customer expressed satisfaction with the line’s stability, filling performance, and system integration.
Conclusion
This Vietnam project demonstrates VTOPS’ capability in delivering customized and production-ready milk powder canning solutions for overseas markets. With extensive experience in powder filling, inspection, and sealing technologies, VTOPS continues to support global customers with reliable equipment and practical system designs.
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