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Woitzel saves cost by choosing the right options

The German company Manfred Woitzel GmbH & Co is specialized in groundworks, demolition, recycling and disposal services.

Jannik Woitzel, Julian Pollmeyer and Uwe Woitzel in front of the R3 impact crusher. (LTR)

The company, founded by Manfred Woitzel in 1956 as a quarry operation evolved to the company it is today, collecting, transporting and storing and recycling several “waste” streams, like construction and demolition waste, soil and household waste with their own sorting stations. All done with craftsmanship and expertise.

In this story we focus on the demolition and recycling site of Woitzel. The construction and demolition waste arrives at the holding yard via their own container service, from their own demolition activities and from deliveries of C&D waste to their holding yard. Today, the third generation is looking at ways to improve the business efficiency and profitability. This is why Jannik Woitzel, and his uncle Uwe Woitzel, contacted German Keestrack dealer, Oppermann & Fuss, to look for the best solutions.

Invest smart by choosing the right options 

Woitzel had 2 crushers until the end of last year. One jaw crusher at their holding and C&D recycling site, and one impact crusher at demolition sites, travelling from one job site to the other, following their demolition projects. As Woitzel has 2 Keestrack K4 screens and a S5 stacker they were already in contact with Oppermann & Fuss. Their salesman, Julian Pollmeyer, ensured the known quality and service of the Keestrack screens will also apply to their crushers.

The R3 impact crusher producing RC-1 certified 0/8mm & 8/45mm from C&D waste.

Woitzel choose the Keestrack R3 impact crusher with double deck after screen with wind sifter” said Uwe Woitzel. “With the Keestrack machine we save fuel as it is much more economic compared to the previous jaw and impact crusher. The 2-deck after screen with return conveyor saves space, is easy to detach, and is easy to transport to demolition sites without a permit. This way the impactor is used both, on the holding & recycling site, as on the actual demolition site. The fully equipped machine is in fact 2 machines in one, saving a lot of cost in our operations”, Jannik Woitzel continues.

At the holding and recycling site, Woitzel is producing RC-1 certified 0/8mm & 8/45mm used as crushing sand & the bigger fraction is used as a stable base, in for instance road construction, with high drainage capacities. Every day the R3 runs up to 6 hours, producing about 160 t/h. When adding the S5 stacker into the production process more savings can be made due to the fact the stacker saves a lot of wheel loader fuel and personnel costs.

The innovative R3 impact crusher has unique safety features, like a safety key system, and the design of the R3 has won several European design prices, of which the most prestigious, the Red Dot award. It is very compact and easy to transport and is also available in full electric plug-in drive with a capacity up to 250t/h.

The R3 impact crusher with the new double deck after screen and wind sifter.

The R3 is equipped with a vibrating feeder with a pre-screen of 1.200mm x 920mm to optimize crushing results and to minimize wear, an asymmetric inlet opening which facilitates longer material to turn, entering the 770mm x 960mm (HxW) inlet. The high inertia rotor with a diameter of 1.100mm and a width of 920mm produces high quality end products with low wear.

The crusher is equipped in closed circuit with recirculation conveyor and a 2-deck precision screen of 3.100mm x 1.400mm and produces a defined aggregate product size. The installed wind sifter eliminates contaminations like plastics, wood or paper and the overband magnet separates valuable metals. The R3 weighs ±33t including all options.

The R3 is also equipped with a remote control, so it can be controlled by the excavator operator from his safe cabin. The R3 has an integrated water spray system which can be used in case production gets too dusty. It is also equipped with a Keestrack-er UMTS/GPS system. This telematics system provides real-time data and analytics, and the exact location of the machine. All aspects can be checked from a distance and if necessary, remote software updates can be made. It is possible to run diagnostic tests for all components including the feeder, crusher, after screen and conveyors. The Keestrack-er also functions well for maintenance planning by Oppermann & Fuss, helping to keep the machine in optimum shape and to increase uptime.


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