Comparing Bulk Bag Unloaders

by James Podevyn

Selecting the best bulk bag unloader for your application is crucial to your processing success and your bottom line. Here at Spiroflow, we have a comprehensive range of unloaders that processors can choose from. Our primary objective is to provide you with the safest, most efficient, and most reliable unloading solution for your application.

We work with our customers to make sure they get the exact conveyor for their needs. We’ve been doing it for decades and we’ll do it for you.

This article will break down what you should bear in mind when looking to purchase a bulk bag unloader.

Bulk Bag Unloader Selection

Product Attributes

The type of product you plan on unloading is one of the biggest determining factors when considering which bulk bag unloader to choose. How would you describe your material’s characteristics? Engineers will need to know the bulk density, particle size, moisture content, temperature, and abrasiveness of your product. Is it hygroscopic or likely to segregate? Is the product cohesive? Are there other properties that affect how it can be conveyed?

Needed Function And Performance

What is your desired function? Do you want to unload by weight or by volume? What are your layout requirements and constraints? What materials of construction do you require? Do you need total dust containment? Does your product arrive in single-use bags? These are some of the major determining factors when choosing a bulk bag unloader.

Service Life

What is the projected duty life of the operation this unloader will serve?  Consider what service life your conveyor must provide to ensure that it can handle your application.

Long Term Energy Requirements

Consider how the unloader’s energy use will affect its operating costs over the long term.

The Manufacturer

When you’re selecting a bulk bag unloader, we recommend that you work with a supplier who offers several conveyor types.  Such a supplier has the experience to satisfy your conveying performance needs and to ensure that the unloader you select will withstand your process’s duty level throughout the life of the process.  This supplier can offer advice based on which unit can successfully handle your material and also provide the best combination of low purchase price, low operating cost, and high efficiency.

Testing The Material

Ideally, the supplier will also have a test lab with conveyors of various types to help you determine which one can best handle your material and operating conditions.  Ask the supplier for references to check whether previous customers with applications like yours are satisfied with the conveyors they have purchased.

Performance Guarantee

Finally, make sure that your supplier provides assurances that the unloader will successfully transfer your material and perform reliably and cost-effectively in the long run.  Spiroflow, of course, guarantees all equipment solutions that have been tested in our test lab.

Check out our Bulk Bag Unloader Comparison Chart 

This document compares our bulk bag unloader offerings based on design options.  Of course, our engineers will assess your application needs & recommend the optimal design.

Still Have Questions?

We appreciate that you’ve found and read this article. It’s understandable if you still have questions. If you do, let us know! We have been in the bulk material handling industry for more than 45 years. We’ll work with you to find the right unloader for your process.