Hilgefort took on the production and detailed engineering, TÜV acceptance, transport and on-site assembly of a heat exchanger waste-heat recovery system in the sinter cooler for a steel works in Duisburg.
Weighing 160 tons, the total system was produced and delivered in nine component parts each weighing approximately 18 tons. Each component is 9 m long, 3 m wide and 1.4 m deep. The component parts are largely produced from pipes, in which oil is warmed up.The elements manufactured from P steel are welded so as to be X-ray-proof and the system satisfies the requirements of pressure vessel standard AD 2000. The 24-bar pressure test was also performed in the production halls at Hilgefort GmbH.
The exterior of the entire system was painted according to customer specifications.