Discharging
DISCHARGING OPTIONS
Depending on your needs or those of your client , we supply of a number of extra options in addition to the standard discharging systems.
This may involve opening the big bag remotely an additional reinforcement in the bottom to prevent bulging or an additional hygiene flap to prevent contamination
Depending on the FIBC discharging system of end users, there are different types of big bag bottoms. The most common types are:
HOW DO I SECURELY DISCHARGE FIBC?
- In order to discharge a single-trip FIBC, its bottom should be opened using a cutting device equipped with a suitably long grip.
- If the FIBC has a discharge spout, this spout should be opened only when the FIBC is hanging over a safety support.
- This support prevents injury to persons in case the lifting device fails . Persons should under no circumstances stand or hold body parts under any lifted or non-secured FIBC.
WHAT DISCHARGING DESIGN OPTIONS ARE AVAILABLE FOR FIBCS?
- Controlled discharge desired
- Discharge method (i .e . gravity, screw, conveyor, bottom cut, full dump)
- Desired discharge rate
- Discharge spout dimensions required
- Handling preference: Existing hoist and trolly frame fork loaded frame
FLAT BOTTOM
This type of big bag provides an opportunity for emptying FIBC by cutting the bottom. This is the cheapest type of a big bag (bulk bag can only be used once).
It is also used for packaging waste which will be buried or burnt along with the bulk bag. In the construction sector bags with a flat bottom are often upset when discharged.
DISCHARGE SPOUT
Is the standard option for emptying big bags. The range of the spout width (diameter) ranges from 25 cm to 65 cm.
The length of the spout should be at least the value of the spout diameter. Standard length is 50cm.
For the outlet spout, there are three tying styles:
- Standard – tie sewn in the middle of the spout with a length of 60 cm
- Swan neck – twice folded and tied
- B-lock – plastic lock with a band placed on the outlet spout, suitable for manual regulation of the material flow
Discharge spout + iris closure
Additional spout protection so that the spout does not get damaged during transportation and handling of FIBC. Rosettes are sewn from light fabric. When the rosette is tied, the FIBC looks like it has a flat bottom.
Outlet spout + star closure
Star closure is a special type of rosette closure that is made from heavy fabric and looks like a star.
Discharge spout + flap
The flap is the cover that is made of heavy fabric and protects the bottom of a big bag from moisture. The flap is attached to the bottom of the FIBC with a band.
SKIRTS
Skirt
The skirt itself cannot withstand much of the load so usually it must be covered with a flap or a system similar to a star closure. Big bag with skirts on the bottom are used for materials that are difficult to empty through a spout, for example, sawdust, peat.
Skirt + Flap
The flap in this case mainly serves to carry the load of the big bag. It is made from heavy fabric, sewn to one side of the bottom and fixed with ties to the remaining three sides of the big bag bottom
Skirt + Letter Discharge Spot
The rosette (letter) serves here as a skirt protection. It is made from heavy fabric, in the shape of a letter.
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FIBC Specifications
