Big Bag Discharge Stations

Safe and Dust Free Unloading for Bulk Raw Materials

VOLDE Big Bag Unloading Stations are modular systems designed to transfer powder and granular raw materials from big bags to process equipment safely, dust-free, and in a controlled manner.

The standard version delivers highly efficient operation with a 4-column heavy-duty frame, an integrated monorail hoist, a pneumatic clamping spout-attachment mechanism, and a massage-assisted discharge structure.

| Big Bag Unloading Unit

The FREEBAG Big Bag Unloading Unit is a modular system designed for the safe, controlled Unloading of powder and granular materials from big bags, integrated with process equipment.

• The big bag is precisely positioned at the center of the unit using an integrated monorail hoist mounted on a 4-column heavy-duty frame.
• The double-walled, leak-proof spout-attachment mechanism secures the bag safely and prevents dust leakage.
• The pneumatic massage system continuously directs the material inside the bag toward the bottom outlet, ensuring complete discharge.
• The system can be manufactured with a carbon steel or stainless steel body, designed to be ATEX-compliant for explosive environments, and equipped with an optional protective fencing system to enhance operator safety.

Developed through VOLDE's in-house engineering, these units can be configured according to different process requirements and fully integrate with facility infrastructure.

| Big Bag Loading Methods

_ Electric Chain Hoist

The big bag is lifted by attaching it to a suspension fixture using the integrated monorail hoist on top of the unit and moved directly into the discharge position. It is a practical solution that reduces operator intervention.

_ Forklift and Carrier Frame

The big bag is transported on a steel carrier frame using a forklift and placed inside the unit. It is an economical solution for facilities with existing forklift infrastructure.

_ Overhead Crane and Suspension Fixture

The big bag is suspended on a steel carrier frame and positioned inside the unit with the help of a crane. It is preferred in applications requiring high lifting capacity and stability.

| Flow-Assist Options

_ Standard (Unassisted)

Operates without any discharge-assist components; preferred for raw materials with high flowability.

_ Pneumatic Damper

Starts and stops product flow; preferred for products requiring free-flowing, controlled discharge.

_ Pneumatic Knocker

Applies impact movement to the bag surface, breaking bridging in products with a high tendency to clump.

_ Vibration-Based

Product flowability is increased through vibration. Preferred for products with a tendency to stick and low flowability.

| Big Bag and Bag Discharge at a Single Station

The combo design, which allows both big bags and 25 kg bags to be discharged at the same station, provides maximum flexibility for facilities working with different packaging types. Multiple raw material formats can be managed through a single discharge point.

• Combining big bag and 25 kg bag discharge in a single station
• Space-saving compact design
• High flexibility for processes working with different product formulas
• Ability for both the big bag line and the bag line to feed the same downstream equipment