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How to choose between a screw compactor and a roller compactor?

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Discharge
| 3 minutes of reading | By Chris Jones
Compactor for empty packaging

In industrial production lines, the use of sacks and bulk bags for packaging ingredients is very common.

Once emptied in the process, these containers must be “managed” in order to reduce storage space and maintain a clean workspace.

1. Main functions of an industrial compactor

Once emptied of their contents, super sacks and smaller bags can take up a lot of space and generate dust in your work environment. Using an industrial FIBC compactor makes it possible to reduce the volume of container waste and guarantee a healthy working atmosphere.
Designed with a smaller footprint and mobility, Palamatic Process compaction equipment lowers production costs because operator intervention is considerably reduced.
Furthermore, thanks to a reduced volume of container waste, the expenses related to storage and transport are much lower.
Reducing the volume of this waste and containing it in a plastic bag improves hygienic conditions on production sites. The working environment is not contaminated by powder residues that could remain present in the bulk bags and sacks.

2. Comparative table of performance and design differences

  Screw compactor Roller compactor
Type of technology Auger-type compactor Band and roller compaction
Number of compacted bulk bag 5 to 7 per meter of plastic sleeve 4 to 6 per roll
Waste container dimension Length 39.5'' 23.5''
Diameter 27.5'' 15.75''
Modular Yes, but fixed diameter Yes, but fixed length
Bulk bag introduction Hinged access door for full opening to bulk bag hopper

Opening on the front face of the compactor
Protective side panels

Dust management at compactor inlet

Partial
Connects to a central dust collection network on the sides of the compactor body

Partial
Connects to a central dust collection network above the bulk bag feed point

Full containment of
compacted bulk bag
Yes, in closed plastic bag

Partially, lengthwise only 
Sides of the roll not contained

Mobile design Yes, on wheels or with forklift Yes, on wheels
Integration into a bulk bag unloading station? Yes No
Control system Integrated and embedded Integrated and embedded
Power requirements Electric, 600V Electric, 600V

 

Paul expert poudres Palamatic

Looking for a bulk bag handling system? I am
available to advise you in your study.

Chris, powder expert

215-498-9303

3. Advantages and disadvantages of screw and roller compactors

The advantage of a screw compactor is that it can be directly integrated into a bulk bag or bag dump station.
The dust-tight design of the plastic sleeve containing the compacted FIBCs is 100% guaranteed.
The volume compacted in the polyethylene sheath is a little greater for a screw compactor: 5 to 7 super sacks against 4 to 6 for a roller compactor.
 

The roller compactor can be used to compact other containers other than bulk bags or sacks, such as: cardboard packaging, plastic films, etc. Unlike the screw compactor, the dust containment of the rollers is not guaranteed, therefore it is not suitable for packaging that has contained highly toxic products.

The initial volume to compacted volume compaction ratio is greater in the case of the roller compactor.


Contact our sales department to discover all our handling solutions for super sacks and bulk bags.

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