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Leading Trade Fair for Powder & Bulk Solids Processing and Analytics

29.9 - 1.10.2020 // Nuremberg, Germany

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Exhibitors & Products POWTECH 2019
Zoom product LOGO_BBDS - advanced big-bag dumping station. Big-bag entleerung

BBDS - advanced big-bag dumping station. Big-bag entleerung

LOGO_BBDS - advanced big-bag dumping station. Big-bag entleerung

BBDS - advanced big-bag dumping station. Big-bag entleerung

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BBDS Big-Bag Emptying

Sacchi is leader for the engineering and production of standard and customised  big-bag emptying machines.
 
BBDS big-bag emptying machine, it’s the best solution to empty big-bag containing both free-flowing products and non-free-flowing powders
Sacchi can offer a wide range of modular solutions, specifically designed paying attention to : 

  • Safety : every machine is supplied with technical report made by certified structural engineer
  • Ergonomics : ergonomics is the foundation for a safe and efficient handling of big-bag 
  • Performance : quickness, powder-proof, effective discharge system and product dosing are the basis for a correct approach to big-bag use

BBDS big-bag emptying systems are modular and can be configured according to some standard features..

 

Product coming out from the lower section of BBDS big-bag emptying machine can be handled in different ways :

  • Direct discharge and dosing by gravity : the product is conveyed to the process by fall, using on/off or dosing valve. Dosing can be in continuous by volume/gravity for weight loss or dosed in batch according to a recipe with gravimetric technique "loss in weight" or "gain in weight" depending on process and required accuracy.
  • Discharge and dosing by screw conveyor : the product is collected inside an intermediate cone hopper with suitable capacity and from that point it's supplied or dosed to the process. Dosing can be in continuous by volume/gravity for weight loss or dosed in batch according to a recipe with gravimetric technique "loss in weight" or "gain in weight" depending on process and required accuracy.
  • Discharge and dosing by ESFP flat bottom extractor : the product is collected inside an intermediate cylindrical hopper equipped with ESFP rotating flat bottom extractor with suitable capacity and from that point it's supplied and dosed to the process. ESFP use allows to extract even the most difficult powders.Dosing can be in continuous by volume/gravity for weight loss or dosed in batch according to a recipe with gravimetric technique "loss in weight" or "gain in weight" depending on process and required accuracy. If necessary it's possible to  install a dosing screw conveyor with variable speed interfaced with dosing digital control unit.
  • Discharge by pneumatic conveying in dense or dilute phase : the product is supplied to a rotary valve or to a dense phase pneumatic conveyor and later conveyed to the process machine in a remote space

Big-bag with sleeve can be connected to product discharge section in different ways : 

  • Double roll-bar fixed support  "lay-on". Best solution for not dusty and free-flowing products. Big-bag is matched by laying the bottom on a mechanic support. Product holding lace is released by a small door on the lower discharge channel.
  • Elastomer diaphragm  : best solution for little dusty and free-flowing products. Big-bag is matched by laying the bottom on the elastomer diaphragm. Product holding lace is released by a small door on the lower discharge channel.
  • Mechanic coupler  : advanced solution, the best one for dusty  or harmful products for man. Big-bag sleeve is inserted into a gap that is then locked by cam-lock mechanism. The sleeve is sealed thanks to labyrinth geometry.
  • Pneumatic coupler ""inflatable rubber seal" : technological solution, perfect for dusty or harmful products for man. Big-bag sleeve is inserted into the interstitial chamber of a double-pipe channel to which an inflatable device refers during loading and discharge operations.

BBDS - advanced big-bag dumping station. Big-bag entleerung is assigned to following product groups:

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