MACHINERY | MIXERS
Right and below: The Container Mixer i4 mixing head is easy to clean and accepts different
container sizes
mixing bowl requires the operator to bend over the edge of the bowl, and maybe even to climb in. That takes time and calls for special safety measures. With the new design, the operator has full access to the inside of the tank, as it is in two parts allowing the upper part to be lifted from the bottom shell and swivelled to the side. “The new design reduces the cleaning time from 30 to 180 minutes to 5 to 20 minutes,” says Schluckebier. “In productions where recipes are changed several times a day and cleaning is essential, high five-digit annual savings can be made.”
Safer mixing PlasMec showed its well-established Combi- mix-HC-800/2500 mixing system, which it says incorporates the latest developments in terms of mixing safety. Also on the stand was a TRR-1500/FV container mixer configured in accordance with ATEX regulations to make it suitable for mixing powders with explosion potential. The company says Combimix hot/cold mixers are the ideal solution for mixing dry
PVC or WPC (wood/plastic composite) dry blends. Models are available over a wide size range. The TRR container mixer is described as an ideal alternative to turbomixers for the preparation of masterbatch, pigments and engineering polymers, when production conditions require a high degree of versatility and a wide range of different recipes to be mixed in the same machine. Mixaco describes its Container Mixer i4 as the
mixer concept for Industry 4.0 and the Internet of Things. Sales and Marketing Specialist Guido Brand says it is the latest progression of the company’s original Vortex model. The company
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now offers these two units either side of the Multitool model, which introduced the concept of a single mixing head being used for many containers around six years ago. Brand highlights high mixing flexibility, high quality and reduced required cleaning effort in the new design, which incorporates a new controller, the MCC (Mixaco Control Centre). The inside surface of the mixing head is completely flat, as the sealing gasket is now incorporated into the container. This makes it very easy to clean. It also enables it to be used with three different container sizes (300, 450 and 600 litre), which can all be designed in compliance with ATEX requirements. Dedusting equipment built into the head extracts fine dust generated in the container at the end of the mixing process. The head also contains a temperature sensor, with the temperature indicated on the operating panel. Brand says the i4 mixing tool enables good
mixing vortex formation, even with moderate circumferential speeds of 4-15m/s, which also helps to minimise temperature increases. The mixing equipment is controlled as standard with a Siemens S7 PLC, but users can also opt for Allen- Bradley components. It can also be equipped with an interface for data exchange with high-level
PHOTO: MIXACO
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