A concrete plant upgrade in Germany

German concrete producer Thomas Beton has modernised its batching facility with the commissioning of a new Ammann Elba CBS 120 SB concrete mixing plant.
June 19, 2023 Read time: 2 mins
A new Ammann Elba concrete plant is helping increase output for a producer in Germany

The firm is based in Lürschau, Germany and this new equipment has helped deliver a major increase in capacity. The CBS 120 SB can deliver up to 120m3/hour of concrete and was connected to an onsite aggregate linear bin for this installation.

The increase in output was needed because the old plant had reached the limits of its capacity. Local demand for fresh concrete had increased due to high output from a nearby precast plant as well as for construction works in the area; A number of challenges had to be dealt with. The existing dosing system had to be integrated into the new construction, despite a height difference onsite. At the same time, the plant had to continue production during the upgrade in order to be able to meet demand for concrete.

After the stock had been checked, it was determined in detail which components could be replaced and which could be used. The upgrade process took only eight weeks. While the old mixing tower continued to operate, the new ready-mix concrete mixing plant CBS 120 SB with single-shaft mixer CEM 2660 S was connected to the existing aggregate linear bin as a belt conveyor plant.

The locking and dosing system for the onsite linear bin was renewed. A major achievement was the threading of the new 35m-long weighing belt into the concrete linear bin, which was carried out by Ammann Elba dealer Proschwitz, Trittau.

The discharge gates are actuated by compressed air from an integrated screw compressor. Weighed aggregates are conveyed directly into the pre-hopper of the mixing plant via a conveyor belt. A sand moisture measuring device below the dosing gate is used to check moisture levels. The cement is stored in six cement silos, each with a capacity of 100tonnes. A high-performance EZL 80/100 system ensues efficient dosing in the cement weigher.

Both a dedusting filter system and a mixer cleaning system are integrated in the CBS 120 SB, preventing contamination. The plant also has the LL 60 winter cladding system, protecting against the weather.

Materials

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