Arrigorriaga is a cement plant located in the Viscaya region of Spain with a capcity of 1350 t/d. Wishing to improve the lifetime of their clinker crusher hammers, Arrigorriaga decided to test...
Every firing technician knows that a firing system can only be as good, as regards the flame stability, as its fuel feed. If standardized liquid or gaseous fuels, such as fuel oil or natural gas, are...
Effective February 1, 2012 Bernard Fontana (Fig.), presently CEO of Aperam, a company recently spun-off from ArcelorMittal, is to assume the position of CEO of Holcim Ltd. He is replacing departing...
The essential provisions of the standard concerning all questions of conformity evaluation are examined and discussed below. The relationship between the conformity requirements of EN 459, Part 1 and...
Cooling takes place in the clinker bed. The grate cooler has to provide just for a favourable air flow and clinker handling (Fig. 1). This perception alone is not sufficient to obtain orders resulting...
A leading Turkish cement producer has specified high-performance air cannons to replace an under-performing existing system, which was jeopardizing the plant’s output capacity by failing to remove...
“The German economy is booming. At the beginning of 2010 we still expected a growth rate of 1.75 % in that year, but now it is clear that the economy performed outstandingly in 2010 and that the...
The ZKG students‘ field trip took place between 14th and 16th June 2011, this time in co-operation with CEMEX OstZement GmbH, Rüdersdorf Works (Fig. 1). Almost 50 students from the RWTH Aachen and...
In Germany plant operators receive remuneration for the eco-power they produce and grid operators and utilities are obligated to purchase that power on a preferential basis. The higher costs are...
In the following, concepts are introduced based on the mechanical, physical and thermal processing of substitute fuels. With increasing international cost pressures not only the applications of...
