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Big bag packing line with a capacity of 40 big bags per hour

  • Essai
  • Plan d'accès
Case study reference:
1-17-005
white sugar cristal sugar big bag loading palamati

Processed powders: white refined sugar, surfine caster sugar, crystal sugar

Packing in big bag of white sugar and crystal sugar 

 

Our customer, a leading sugar manufacturer for the Maghreb, wants to increase its big bag packing capacity in order to deliver a larger number of manufacturers using its refined sugar. This big bag filling facility is designed to achieve a minimum throughput of 40 big bags per hour with minimum operator action. To achieve this, the Palamatic Process solution integrates a complete set of big bag handling and the necessary transitics for pallet handling.The entire machine design is conceived and manufactured according to the EHEDG Equipment Hygienic Design Guide.

The processed materials being crystal sugar, refined sugar and surfine granulated sugar of density 0.8 with good flowability, the FlowMatic® 06 big bag packaging station incorporates an intermediate weighing hopper with a capacity of 2 tons allowing dosing in masked time. When the empty big bag is placed by the operator on the filling head, the PLC controls the sugar metering in the weighing hopper. The weighing management is ensured by a Palamatic Process dosing unit specifically developed for big bag filling applications. This dosing unit integrates a very high dosing speed by using a 4-20mA butterfly valve coupled in parallel to a dosing screw managed by a frequency variator. This unique technology ensures that the sugar is dosed in less than 3 seconds with an accuracy of less than 300g.

big bag filling line with sugar
big bag filling line with sugar
big bag filling line with sugar

The use of the dosing hopper in masked time allows all manual operations to be carried out without loss of packing flow rate. The operations carried out during the metering in the hopper of the packing machine are: positioning the big bag, connecting the big bag sleeve to the  inflatable joint, attaching the loops of the big bag to the automatic hooks, pre-inflation, inflation of the big bag via the fan provided for this purpose and closing the previous big bag by welding the sleeve.
When the sugar dose is metered into the weigher, the drain valve opens to almost instantly fill the empty big bag. A pneumatic tensioning system and pre-inflating of the big bag ensure optimal filling of the inner bag. A dust collection and venting line ensures the containment and balancing of volumes during sugar transfer.

Hooks for big bag hanging

Hooks in position to allow
the big bag to be hung

hooks for big bag hanging

Hooks in position to allow
the big bag to be filled

welding of big bag spout

Welding of the big bag cuff

 big bags on belt conveyor

Big bags on roller conveyor

big bag laying on pallet

Placing the big bag on the pallet

pallet unstacker palamatic process

Pallets unstacker

The handling of the filled big bags is ensured by a set of belt conveyors, thus avoiding the use of pallets in the packing area. The big bag is positioned on its pallet outside the packaging area via a double deck conveyor: pallet/big bag. An empty pallet unstacker feeds the big bag "docking" conveyor.
From an ergonomic point of view, the operator works on a single-floor platform with a drop-off area for empty big bag pallets. Similarly, the connection head of the big bag has mobile hooks that move towards the operator to facilitate the installation of the big bag loops. At the end of the packing operation, the big bag is unhooked automatically via the pneumatic tilting hooks.
The weighing chain integrated on the dosing hopper consists of three load cells connected to a commercially certified weighing transmitter. This weighing hopper is certified annually.
In addition, the big bag conveyor incorporates a weighing chain (scale) ensuring additional control of the weight of the big bag for complete traceability of the packing batches.

Features integrated into the big bags packaging line: 

  • FlowMatic® 06 big bag filling station with conveyor
  • Ergonomic hooks for big bag handles
  • Pre-inflation fan for big bags
  • Inflatable containment seal
  • Vibrating table
  • Checkweighing system / Conveyor scale
  • Weighing buffer hopper of 2 tons
  • "Specific" metering system on big bag packing
  • Unstacker for empty pallets
  • Installation of an access walkway to the filling station
  • Automatic sampler
  • Big bag cuff welding machine
other possible implementation for big bag filling

Other possible hygienic big bag packaging installation: packaging line with laying down of mats
and placing of the big bag on its pallet

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INTEGRATED EQUIPMENT

Powder sampler ECD

Volumetric collection of bulk materials, Contained process, No contact with the powder

Butterfly valve

Container, hopper or silo closure containing powdered or granulated materials

Tubular screw conveyor

Bulk materials conveying, Continuous operation

Belt conveyor

Secure conveying of your loads

Built-in dust collector

Dust collection or vacuum applications, Flanged directly to equipment, Easy and low cost maintenance

FlowMatic®06 bulk bag filling system

High rate, Weighing buffer hopper, Ergonomic, Containment, Tension of bulk bag, Bulk bag forming, Automated handling, Material densification

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