The Executive Board of the German Association of Industrial Mortars e.V. (IWM) has appointed the Technical Director of the IWM, Antje Hannig as new...
In August 2014, Hazemag & EPR received an order from the Chinese plant manufacturer TCDRI for the delivery of a HCS 1100 sizer for the Lafarge factory Mbeya in Tanzania. The sizer is designed for 120 t/h of pozzolana with a maximum moisture content of 20 % and a product fineness of 95 % < 40 mm. The delivery is scheduled for February 2015.
ThyssenKrupp Industrial Solutions has received an order from Al Sawfa Cement Company/Saudi Arabia, to build a complete cement production line. The new...
Cement manufacturing is one of the most aggressive of all production processes. The chemicals used to produce Portland and Masonry cement – particularly silicates, aluminates and aluminoferrites – can combine to create high levels of very fine particles, creating significant problems for production and handling equipment. Rotating components are at greatest risk, and they are commonly found in the motors, pumps and fans used in crushers, mills, precipitators, kilns and silos. ...
Researchers from the École Polytechnique Fédérale de Lausanne (EPFL) in Switzerland together with partners from three prominent Indian Institutes of...
When the Packaging Ordinance came into force on 01.01.1993, the German economy was bound by law for the first time to return packaging after use and play an active role in its disposal. Since then the ordinance has been continually refined – most recently with the introduction of the seventh amendment – in order to constantly improve the process of returning packaging and prevent abuse of the system.
The new Analysette 28 ImageSizer (Fig. 1) by Fritsch is the ideal instrument for analysis of particle shape and size of dry, free-flowing powders and...
Schwenk Zement KG, headquartered in Ulm/Germany, planned to replace its old drag chain conveyor line with a modern pipe conveyor from the Beumer Group. Requiring a solution that would transport alternative fuels such as crushed plastic material, textiles and paper from the warehouse to the feeding system of the oven in their cement plant in Bernburg/Saxony-Anhalt ...
High availability and absolute reliability top the list of demands placed by plant owners on their machines. Tough requirements are thereby placed on the materials, the service life, the ...
nfluenced by the current Chinese annual growth rate, which is more than one percent and an urbanization rate of more than 70 %, the demand for cement is at a peak.
Silicone based products find widespread use in the construction industry due to the unique properties embodied in the molecular structure. The article provides an insight into the chemistry.
Research results suggest that the use of nanographite in the CFA-C system and the pure cement system accelerate the setting time and increase the strength gains, hence overweighing any negative effects. The water absorption, apparent volume, apparent density, CH-content, setting time, fluidity and strength gain are favourable when compared to pure cement and nanographite-blended cement. Part 1 discusses materials and methods, whereas Part 2 will focus on the results and conclusions.
Using a Loesche VRM, trials were carried out in order to determine the extent to which the constituents of concrete waste could be made suitable by a special recycling process for use as a substitute for the natural rock fraction in components. In this process, the employment of suitable separation equipment played a crucial role.
The results show that cement with the addition of various zeolites (natural zeolite, zeolite modified with Fe(III) ions and zeolite saturated with Pb...
Cement based products are in general not resistant against acids. Ca-ions built during the hydration dissolve in small quantities in water and cause...
