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Easy sacks discharging  #1-2(119-120), 2013

Diflex Ltd. offers various systems of sacks’ discharging and delivering the content into silo storage systems – via manual, semi- or fully automatic sets. The choice of this or that equipment depends on desired discharging productivity, on the quality of stacking sacks onto pallets, on the type of content (raw stock) and sacks’ material. The experts of Diflex will help to select the necessary equipment after being acquainted with all the customer’s production peculiarities

Manual discharging station
Selection of manual discharging station is reasonable when required productivity doesn’t exceed 3-5 tons/hr and granular materials are being discharged. Open station consists of receiving hopper made of aluminum or stainless steel, rotary feeder which delivers raw material into pipeline batchwise, and air blower. Depending on the distance between discharging point and the point of destination (e.g., loading to some storage) the required power of blower engine and the size of rotary feeder are chosen. For discharging of dust-forming materials the receiving hopper is supplied with exhaust system with filters.

Semi-automatic discharging station
This unit is used to discharge sacks with various materials and required productivity of up to 15 tons/hr. The use of this station becomes especially actual when dust-forming materials are discharged at a high rate and strict compliance with all ATEX standards is obligatory. The principle of device operation is as follows: sacks are fed to conveyor, then cut by rotating disks and fall into the drum where raw material is separated from the sacks, which are brought to compactor for pressing. Various options are available: automatic pallet tipper, vibrosieve, implementation for discharging foodstuff. High performance and safety of the process make it easy to automate the process of opening and emptying sacks.

Fully automatic station
Discharging station KAB-12T from KAHL Group – is a fully automatic plastic sacks opening and emptying machine into containers or silo storage of polymeric materials, which can release the fully loaded pallet (11 sacks layers) in 7 minutes.

The pallets loading-unloading is fulfilled via fork-lift truck, all the rest processes run without operator intervention. All electrical, electronic and mechanical units are implemented in compliance with the EU standards and regulations.

Within each process cycle the station “takes” a layer of sacks, cut them and discharge into batch hopper without any loss of contents for further pneumatic loading into silo systems or any type of containers. Process automation is achieved by means of mechanical grabs which capture and relocate the sacks with bulk materials. KAB-12T provides discharging of sacks regardless of how they are placed onto pallet. The content of sack is emptied for 99.95 percent, thus material loss can be treated as eliminated.

Control is carried out automatically via easy-to-use touch screen. Station has different blockings: barrier sensors to delimitate work area, sensors of the carriage position, level sensor in the loading cone, engines protection, etc. – with on-screen of all information. It is possible to specify (program) the exact number of sacks to be emptied for filling big bags or small containers that simplifies for operator the process handling.

The system can be controlled remotely via Wi-Fi or Ethernet, then the SW update and online statistics of discharged sacks become a built-in option.


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