Fit for the future

Within the scope of a project subsidised by the German Federal Ministry for the Environment, Nature Conservation and Nuclear Safety (BMU), the kiln system at the Rohrdorf cement plant was modernised. A waste heat recovery system was among. Extraction of the mid-air from the grate cooler results in a further reduction of heat loss and an increased degree of heat recuperation.

1 Introduction

At the end of a two-year planning and construction period, SPZ recommissioned its comprehensively modernised kiln system in spring 2011. With the installation of the world’s first “Low-Dust” Selective Catalytic Reduction (SCR) denitrification system downstream of a cement plant’s preheater tower, the modification of the rotary kiln and replacement of the old planetary cooler with an IKN grate cooler, the Rohrdorf kiln system is now one of the most modern in the world. A special feature of technological alliance is a heat transfer system that transports waste heat from the clinker...

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Fit for the future

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