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Liebherr crane used to install rotary kiln

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World Cement,


The HeidelbergCement AG cement works in Schelklingen, Baden-Württemberg, has invested in a new, 68 m rotary kiln system, replacing its two existing rotary kilns to meet more stringent EU emissions regulations. The kiln’s five components needed to be hoisted up to a height of 11 m in a restricted space, a task that was carried out using a Liebherr LR 1350/1 crawler crane, from Belgian crane and heavy haulage contractor, Sarens.

Due to the restricted space and storage capacity at the plant, it was only possible to use a 350 t class crane. Sarens received the order to hoist the various rings using its LR 1350/1 crane.

Sarens set up the 350 t crane, which has a 42 m main boom, a 27 m derrick boom, 85 t of superstructure ballast, and 75 t of suspended ballast. After hoisting the components, which weighed up to 144 t, the crane had to move around 20 m on a specially prepared track so that the load could be precisely positioned for the installation work.

As soon as all five pipe sections of the rotary kiln had been positioned, they were aligned and welded together by fitters from thyssenkrupp. The finished rotary kiln ultimately had a net weight of 452 t and was finished with refractory cladding so that in the future it will be capable of producing around 4500 t of clinker every day. This clinker is then ground into cement.

Read the article online at: https://www.worldcement.com/europe-cis/07112017/liebherr-crane-used-to-install-rotary-kiln/

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