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Sodimate's Bulk Bag Discharger

Big bags – How to improve on your bulk material logistics

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The material handling industry is increasingly using big bags, as bulk bag unloaders have become more cost-efficient and safe for handling various materials. This shift has led to bulk bags being used by a wider range of sectors and has changed the way materials are shipped and stored. Bulk bag dischargers have also revolutionized the process of filling, untying, deploying, and withdrawing bulk bags, as operators no longer need to manually enter the bags through small doors and struggle to remove partially empty bags or clean up spills. The technical expertise required for these large-scale unloading systems has led to the development of specialized big bag unloading systems, such as the Jumbo bag, which is versatile and can handle materials that are not free-flowing.

FIBC Station, also known as bulk container unloaders, bag supports, FIBC unloaders, FIBC dischargers, and wide bag dumpers, are used to unload materials from a variety of bulk bags such as bulk packages, FIBC, Jumbo packages, etc. They consist of a basic frame that supports the lifted bag and is equipped with a lift or hoist. The bag is connected to the frame using suspension clips and then raised and positioned to counterbalance the suspension frame. The bottom of the bag sits on a locking plate, and the loops of the bag hold it in place when lowered. To prevent dust from escaping, a pneumatic clamp is used to seal the spout of the bag. Material can then be discharged into storage, a conveying system, or a process vessel for transfer to another location by gravity. These unloaders use various devices such as pneumatic conveying systems, screw feeders, rotating valves, lump breakers, etc. to unload or convey material from the station to various locations.

Sodimate's Bulk Bag Unloader

Bulk solids handling products – Market dynamics

The market for bulk bag unloaders is expected to experience strong growth in the forecast period, primarily due to the economic benefits of using bulk bags for managing bulk materials. This has led to a steady demand for bulk bags and a shift away from alternative packages such as rigid IBCs, small bags, and Gaylord boxes. The bulk bag unloaders industry is also driven by the many advantages offered by these unloaders.

Bulk bag unloaders offer several advantages that contribute to their market growth. These systems are compatible with various bag types and come with a wide range of models and accessories, providing controlled dosage, reducing labor, and increasing productivity. They also eliminate dust and spillage that can occur with other bulk bags. Additionally, ongoing innovation in the unloading and dispensing of bulk bags is expected to further drive growth in the market for bulk bag unloaders in the forecast period.

Recent advancements and improvements in bulk bag handling products aim to address the shortcomings of older designs and enhance comfort, cleanliness, and safety. These new products not only provide a dust-proof cover, but also facilitate the movement of materials and ensure full evacuation of the bags.

Components in a big bag unloading system:

  • Hoist
  • Bag holder
  • Discharge funnel
  • Bag massager
  • Discharge chute
  • Heavy metal gives a support frame to the entire structure
  • Sturdy metal frame to support the entire structure

How does a big bag unloading system work?

  1. Big bags are attached to hoists for improved handling during bulk handling operations. 
  2. The hoist picks up and transports the jumbo bag to its discharging location, where the outlet of the bag is tightly sealed to a spout clamping arrangement. 
  3. A wide access hood is provided to untie the big bag outlet spout. 
  4. To prevent dust from escaping, a pneumatically operated seal mechanism is used when releasing the material, and pneumatic massager paddles can also be used to aid in the discharge of non-free-flowing products.
  5. Additionally, the hopper may come with a flanged dedusting system connection that creates a vacuum during discharging to prevent dust from escaping through crevices. 
  6. The device has a heavy steel frame with entirely enclosed profiles, and all pneumatic operations are controlled by a control panel.

Sodimate’s Jumbo Bag Discharge Solution:

  • Sodimate’s big bag unloading systems are designed to safely and efficiently discharge a wide range of bulk materials from large bags, also known as jumbo bags. 
  • These systems prevent the release of dust, product loss, and contamination, making them suitable for use with food ingredients, pharmaceutical products, and toxic materials. 
  • They feature a modular structure that allows for customization with various options to meet specific discharge needs. Sodimate has a wealth of experience in the practical application of these systems, resulting in the development of application-specific enhancements to address product size, bag form, environmental concerns, and cost. The company places a strong emphasis on ensuring secure, effective, and complete unloading and handling of bulk bags.


  • Sodimate’s big bag unloading systems are designed to easily integrate into existing setups where the use of big bags is now necessary instead of small bags. 
  • They require minimal space for retrofitting in an existing plant and are available in both stainless steel and carbon steel. 
  • Safety for operators is ensured, and surfaces made of stainless steel are polished to meet desired standards. Exterior surfaces made of mild steel are coated with high-grade paint for durability. 
  • The massaging paddles ensure complete discharge of granular and powder materials. The entire operation of unloading material from big bags can be made dust-free, ensuring the hygiene and safety of the plant and operators.

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