Case Studies

Pneumatic Powder Transfer System for Food Industry - A StratGem Case Study

A StratGem Innovation for Hygienic & Efficient Potato Flakes Handling

Introduction

In modern food manufacturing, precision, hygiene, and automation are vital for consistent product quality. Handling powders like potato flakes in open or manual systems often leads to dust emissions, contamination risks, and inconsistent feed rates.

To address these challenges, StratGem Projects designed and implemented a Pneumatic Powder Transfer System a closed, hygienic, and fully automated powder handling solution that ensures dust-free conveying and operator safety for food-grade powder handling.

Industry Challenge:

A leading food manufacturer producing potato flakes faced key challenges in its powder transfer section:

• Manual handling caused dust generation and contamination risks.
• Inconsistent powder feeding affected downstream mixing quality.
• Frequent cleaning cycles led to downtime and product losses.
• Operator exposure and spillage posed hygiene and safety concerns.

The client needed a fully enclosed and automated powder transfer system that maintained high productivity while adhering to stringent food safety norms.

StratGem's Engineering Solution

StratGem engineered a vacuum-based Pneumatic Powder Transfer System specifically for handling potato flakes powder in a food-processing environment. The solution integrated automation, hygiene, and energy-efficiency to deliver a reliable material handling process.

System Specifications

Parameter	Specification
System Type	Pneumatic Powder Transfer System
Material Handled	Potato Flakes Powder
Conveying Capacity	1200 kg/hr
Conveying Distance	10 meters
Conveying Line Size	80 NB (Normal Bore)
Bulk Density	300 kg/m³
Particle Size	800–1000 microns
System Temperature	Ambient

Key Components

1. Vacuum Loader: Food-grade stainless steel design ensuring hygienic powder transfer.
2. Side Channel Vacuum Blower: Delivers efficient suction with noise level < 75 dB.
3. Inlet Suction Filter: Prevents fine particles from entering the blower.
4. Air Header with Pulse Valve: Maintains clean, dry compressed air supply.
5. Electro-Pneumatic Butterfly Valves: Enables automated material control.
6. PLC-cum-MCC Panel: Controls all process sequences and interlocks for safe operation.

System Operation

The conveying process runs in two automatic phases suction and discharge:

1. Suction Phase: The vacuum blower creates negative pressure to pull potato flakes from the feed hopper through the conveying line into the vacuum receiver.
2. Discharge Phase: Once the receiver is filled, the system switches automatically to discharge the powder into the storage silo.

This cyclic operation is controlled by a PLC automation panel, ensuring continuous, dust-free powder transfer with minimal operator intervention.

Results & Benefits

Dust-Free and Hygienic Operation: Fully enclosed conveying eliminates spillage and contamination.​

Enhanced Efficiency: Reduced manual handling improved feeding consistency and batch throughput.

Food-Grade Compliance: Stainless-steel contact parts ensure easy cleaning and sanitation.

Improved Safety: Zero operator exposure to airborne dust.

Energy & Maintenance Efficiency: Low-power vacuum blower and automated controls reduce operating costs.

The client achieved a 75% improvement in handling efficiency and complete elimination of visible dust at the transfer point a major advancement for food-grade powder handling.

Applications of Pneumatic Powder Transfer System in Food Industry

• Potato flakes and starch conveying
• Milk powder and protein powder transfer
• Cocoa, flour, and sugar conveying
• Spices, nutraceuticals, and premix transfer
• Ready-to-eat food powder handling

Why Choose StratGem?

StratGem Project is a trusted name in dense phase pneumatic conveying, lean phase pneumatic conveying system and process automation. With expertise spanning the food, dairy, and nutraceutical industries, StratGem delivers turnkey powder handling systems tailored for hygiene, safety, and performance.

Our design philosophy integrates engineering precision, automation intelligence, and process reliability, helping clients achieve operational excellence with every installation.

Conclusion

The success of this project demonstrates how StratGem’s Pneumatic Powder Transfer System for the Food Industry can revolutionize powder handling combining hygiene, automation, and energy efficiency.

For food process engineers and plant managers aiming to upgrade from manual to automated transfer systems, StratGem offers end-to-end design, manufacturing, and commissioning solutions that deliver measurable performance gains.

Looking to automate your powder transfer process?​

Partner with StratGem Projects & Engineering for customized Pneumatic Powder Transfer Systems engineered for the food industry.

Talk to Our Engineers about designing a custom Pneumatic Powder Transfer System for your food plant.