Big is never big enough

Cement Milling Plants

Big is never big enough

Designing industrial Raw Material Milling Plants made faster
Milling Plants in the Cement Industry (as well as in related industries) are very demanding. Plants have to operate around the clock, and drive capacities of up to 12,000 KW and grinding capacities of up to 1000 t/h are being discussed. Due to the trend towards ever increasing plant capacities the development of new designs needs to be accelerated.
(ed. WoMaMarcel - 27/7/2015)
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MVR 6000 C-6 – Australias  largest cement mill.

Plant availability and optimized maintenance concepts are paramount today, as well as highly efficient, safe and transparent engineering for construction and operation. As one of the leading companies in the comminution sector, Gebrüder Pfeiffer SE, thus decided to optimise its engineering processes.

The family-run business has more than 150 years experience in plant engineering. It develops modern processing technology for the raw materials industry, mainly in the cement, lime, gypsum and ceramic sector. The mills, dryers, classifiers, lime slakers or gypsum kettles from Gebrüder Pfeiffer are used all over the world. The company headquarters with its workforce of more than 450 employees is located in Kaiserslautern. Subsidiaries are located in USA and India, offices in China and the United Arab Emirates as well as an extensive network of representatives.

Airflow in a mill.

Gebrüder Pfeiffer mills have repeatedly achieved such superlatives as the “largest mill in the world”, “largest production output”, or “largest installed capacity”. The world’s second largest cement mill with a capacity of up to 340 tons of OPC (Ordinary Portland Cement) per hour is currently being constructed for North Africa. The many international orders, especially from countries with a construction boom such as India or China, require highly transparent change management and clear communication with the customer. Amongst others, these were important reasons for the milling experts to look for a new system to optimise engineering.

Consistency required

“Our customer Holcim drew our attention to software provider Aucotec. Holcim uses their Engineering Base (EB) system not only in plant operation, but also for the tendering stage and bases the further development of the plant on the data that was already processed”, says Wolfgang Fuhr, Head of Organisation and Data Processing at Gebrüder Pfeiffer. Aucotec is an independent system developer based in Hanover. The medium-sized company is celebrating its 30th anniversary this year.

The fact that Holcim, as one of the world’s largest cement manufacturers, insists on its suppliers creating their documentation with EB was not the main reason why Aucotec actually opted for the company-wide introduction of the software platform. On the one hand, the company’s decision-makers looked at the references of other plant engineers while, on the other hand, it was clear that certain standards which they, as a manufacturer with high vertical range of manufacture, set for their own products can be implemented best with a system that provides particular consistency.
“Our ability to innovate also depends on the quality and speed at which the development and design team works”, says Fuhr. “Thus we needed a consistent engineering system to create P&IDs and flow diagrams for plant design. The previous operation method with simple CAD designing and separate lists in XLS was extremely time-consuming and prone to errors, especially when changes were made.

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