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Ultrasonic mixers from Hielscher Ultrasonics can be used for mixing cement paste for use in precast molding, drycast and concrete plants.

Ultrasonic dispersing can be used disperse and deagglomerate micron and nano-sized particles found in cement — such as silicas, fly ash, pigments and carbon nanotubes — in order to enable better hydration.

According to the company the process offers a number of advantages including improvements in the compressive strength of concrete produced, a shorter time needed for cast concrete to remain inside a mold and requires a reduced dosage of superplasticisers.

One model offered is the UIP16000, which can produce 16,000W of power and is designed to work in groups of three or more units.

Key information

  • The mixers use cavitational shear to disperse materials, which exposes the full surface of each particle to water.
  • The mixer needs to be used inline as cement paste cannot be stored for extended periods.
  • Before use dry material needs to be premixed with water to form a highly concentrated, pumpable paste.
  • To process concrete more continuously a break-up tank can be installed next to the mixer.

Hielscher Ultrasonics is worldwide known as top supplier for innovative ultrasonic devices from lab homogenizers to industrial processing reactors. Typical applications include, mixing and homogenizing, grinding, dispersing & emulsifying, extraction, lysis & disintegration as well as sonochemistry.

Covering this wide range of applications, Hielscher’s ultrasonic devices are successfully used in almost every liquid processing industry: Dispersing and wet-milling of particles in the ink, paint and coating sector; processing of nanomaterials, i.e. to precipitate or functionalize nano-size particles; ultrasonic mixing for the biodiesel production; sonochemistry and sonocatalysis to improve chemical reactions; lysis, fermentation and digestion for biological applications; homogenizing, extracting and pasteurization for food processing; or ultrasonic cleaning for endless materials, such as wire, cable, rods, tapes or tubes. Ultrasonic devices made by Hielscher are used for lab samples, pilot scale processing, process optimization and full scale production.

This includes ultrasonic devices for the ultrasonication of any liquid volume, from several microliters through hundreds of cubicmeters per hour. For more information, please visit Hielscher’s website: www.hielscher.com  

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