The CONTERNA is a world wide patented, continuously working multi-chamber kneading and extrusion machine. The CONTERNA has a modular design, i.e. according to application and the requested results the number of kneading chambers as well as the execution of the kneading tools and the discharge modules can be varied. This flexibility of the CONTERNA adapted to the product requirements enables an adjustment of the product residence time in the machine individually adjusted to each application.
While due to its design the residence time in a classical extruder is relatively short and thus an energy input is limited to a certain time, the continuous multi-chamber kneading system allows for an infinitely adjustable residence time of the product. The steady conveying of the kneading product from one chamber to the next guarantees for an intensive, but nevertheless smooth and constant mixing of the materials.
The CONTERNA design enables several process steps in one machine like mixing, kneading, rolling and extruding of medium to high viscous media.
Wherever the process parameters allow it, continuous processes have great advantages compared to batch processes.

• less machine and personnel requirements
• constant quality over the time

  Accessories/Options

  Following options/accessories are offered for the CONTERNA:

  Cleaning

  For easier cleaning of the kneading chambers and the kneading tools the complete chamber block can be hydraulically opened.

  Heating/cooling

  Adjustable temperature profiles by kneading chambers and kneading blades that can separately be heated/cooled.

  Dosing

  • Gravimetric or volumetric dosing balances for continuous dosing of solids
  • Pumps for continuous dosing of liquids.

  Downstream equipment

  • gear pumps
  • single screw extruders
  • twin screw extruders
  • discharge dies
  • granulating devices
  • cutting devices
  • drying plants
  • wrapping plants

  Control

  Control via process control system, which can be designed acc. to customer requirements. The control of the complete peripheral equipment from dosing to downstream equipment can be integrated. Vacuum pumps The IKA engineering teams is prepared to carry out complete turnkey plants.