Founder Konrad Pistolnig and machine operator Patrick Höber in front of their own, brand new Rockster impact crusher R1000S.
Especially when processing construction debris, the Air Blower shows its great added value, which enables production of high-quality valuable end-product all in one pass.
New Rockster crusher as a centerpiece at Bauhof Deutschlandsberg
In addition to a trommel screen, excavators, loaders and road rollers, a rented crushing plant is also always in use, which processes approx. 40,000 tons of debris, asphalt and concrete every year. At the end of 2019, the management decided to replace the rented crushing plant with a new closed-circuit impact crusher R1000S from the Upper Austrian manufacturer Rockster. The impactor has been the company's new recycling centerpiece since January of this year. "With our R1000S we have already produced 16,000t of concrete 0/80, 8,000t of asphalt 0/18, 600t of wall ballast 0/16 and 500t of construction debris 0/20. We are extremely satisfied with the quality of the end-product. The mixture of coarser and fine grain is just right for further use in the concrete mixing plant or on construction sites,” says Pistolnig. Rockster's hydrostatic crusher drive is particularly responsible for the sizes of the final product to be precisely adjusted to the desired quality.
Air blower and magnetic separators were important decision criteria
In order to guarantee high quality of the end-product in one workflow, three points were decisive for Bauhof Deutschlandsberg:
• Screening System for a precisely defined size of end-product
• Magnetic Separator for removing iron and other metals
• Air Blower for separating non-aggregates such as polystyrene, wood, plastic, paper and similar.
"To be honest, we were surprised at how well the Rockster Air Blower works, especially when it comes to recycling debris, it brings a huge increase in efficiency," says Pistolnig enthusiastically. Machine operator Patrick Höber particularly appreciates the simple and quick handling of the R1000S crusher: "The crusher is powerful and easy to use, I set the crushing gap on the display and the rest I do from the excavator with the remote control. Replacing the screen deck is also very simple, everything is done in 15 minutes.”
Increase in the Contract Crushing Business
Thanks to the compactness of the Rockster crusher, the contract crushing business can also be expanded now. Well-known customers such as Granit Graz, Porr or Swietelsky, as well as private customers, have already rented the R1000S and were extremely satisfied with both ease of handling and the quality of material. “The use of recycled materials is becoming more and more demanding and also brings some advantages to the construction company. You can save money, conserve natural resources and still use high-quality building materials. Crushed asphalt, for example, binds better than gravel due to the bitumen content and is an optimal surface for road construction. Recycled concrete is frost-proof and an excellent base material. Our recycled building materials are subject to constant control measures and the entire cycle is documented,” explains Pistolnig.