Twin-shaft batch mixer (DKX)

The benchmark in mixing technology

Three-dimensional mixing with the BHS twin-shaft batch mixer (DKX)
Graphic shows the three-dimensional mixing concept of the twin-shaft batch mixer (DKX)

Our twin-shaft batch mixer (type DKX) rapidly produces mixtures with consistently high levels of homogeneity. It is a well-proven, highly reliable solution for industrial mixing processes (especially mixing of minerals) with medium to high output requirements. The machine is a classic compulsory mixer.

The BHS twin-shaft batch mixer has been successfully employed around the world for decades in the concrete industry. But this mixer has also proven to be an outstanding solution for numerous other applications. Our customers benefit from this wealth of experience. They receive a product that is well-proven, highly cost-effective and reflects the state of the art.

Turbulent zone of overlap between the two mixing cycles
Graphic showing the turbulent zone of overlap between the two mixing cycles

The twin-shaft batch mixer moves the entire mixture in a three-dimensional spiral motion. There is also an intense exchange of materials in the turbulent zone where the two mixing cycles overlap. The energy applied is optimally converted into intense relative movements of the entire mixture. Thanks to the optimized design and arrangement of the mixing tools, you will achieve consistently outstanding mixture homogeneity batch by batch, with very short mixing cycles.

The graphics below use a realistic DEM simulation to show the development of mixture homogeneity during the mixing process in a BHS twin-shaft batch mixer.

Mixture consisting of three different materials at the beginning of the mixing process
Graphic shows the mixture consisting of three different materials at the beginning of the mixing process.
Mixture homogeneity after 6 seconds of mixing
Graphic shows mixture homogeneity after 6 seconds of mixing.
Mixture homogeneity after 12 seconds of mixing
Graphic shows mixture homogeneity after 12 seconds of mixing.

BHS offers a wide variety of models in different sizes and versions. The mixer can be precisely tailored to your needs thanks to an extensive range of accessories and options.

Worldwide installations

 

Watch the video and learn more about the practical use of the twin-shaft batch mixer (DKX) in major projects across the globe.

Specific applications

 

Based on the proven twin-shaft mixing principle, BHS has improved the twin-shaft batch mixer for certain applications.

For mixing of dry mortar or binding materials, the dry powder batch mixer of type DMX is available.

The twin-shaft batch mixer of type DKXK with rubber trough is designed for mixing highly abrasive sand-lime brick material. In sand-lime brickworks, it can be used as a main mixer upstream of the reactor.

For manufacturers of concrete paving blocks, BHS offers the twin-shaft batch mixer of type DKX in a modified design. It is equally suitable for mixing the mass concrete and for producing the filigree top layer.

 

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Downloads

“Twin-shaft batch mixer (DKX)” brochure (PDF / 3.9 MB)
“Twin-shaft batch mixer (DKX)” brochure

Product brochure for twin-shaft batch mixer (DKX)

Size: 3.9 MB
Technical data sheet for "Twin-shaft batch mixer (DKX)" (PDF / 226 KB)
Technical data sheet for "Twin-shaft batch mixer (DKX)"

Technical data for twin-shaft batch mixer (DKX)

Size: 226 KB

Advantages

  • Outstanding mixture homogeneity in a short time
  • Consistently excellent mixing results, batch by batch
  • Intense relative motion throughout the entire mixture
  • Optimal energy efficiency
  • Low-wear design
  • Easy maintenance
  • Future-proof

BHS mixing technical center

Link to tests at BHS technical center

Technical article

Creating Value from Overburden

bulk solids handling
No. 2/3 · 2016
June 2016
PDF (145 KB)
Creating Value from Overburden

Valuable Rock Grade obtained from Contaminated Feed Material - The new dry process clay adhesions from screen waste produced in quarries and gravel
pits. Operators report that they are able to convert more than 90 % of contaminated feed material into salable rock grade using the ‘Combimix’ system.

Size: 145 KB

Floating concrete batch plants for one of the widest bridges in the world in currently the biggest infrastructure project in the USA

CPI - Concrete Plant International
2 | 2016
April 2016
PDF (1.0 MB)
Floating concrete batch plants for one of the widest bridges in the world in currently the biggest infrastructure project in the USA

The members of the "Tappan Zee Constructors" consortium use twin-shaft batch mixers from BHS-Sonthofen at the construction site of the biggest bridge in New York, the new "New NY Bridge". Altogether, the consortium uses seven mixers for mixing a total of 220,000 m³ of concrete. Three of these are in operation on floating concrete batch plants.

Size: 1.0 MB

Twin-shaft batch mixer used for major project

BFT INTERNATIONAL
10-2015
October 2015
PDF (531 KB)
Twin-shaft batch mixer used for major project

At present, a Muslim faith community is having the “Mosquée de l’Algérie”, worth approx. 1.1 billion Euros, constructed in the Algerian capital city. The prayer room of the mosque is a huge cube which will accommodate up to 35,000 people. The production of a total of 618 octagonal spun concrete columns used for the monumental building was not a common project even for the manufacturer Europoles from Neumarkt/Germany. For this large project Europoles needed a new twin-shaft batch mixer of the DKX series of BHS-Sonthofen in order to be in the position to produce the required up to 20 m³ of concrete per hour.

Size: 531 KB
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