Unloading of hoppers and silos by high pressure pulses

The article cites the results of introducing the Silo-Flow system at the Nesher Cement plant (Israel). The system was developed and supplied by Flow Industries Ltd. (USA). It is intended for pulsed discharge of tightly packed materials from containers. T...

Continuous on-line control using X-ray diffraction

Continuous on-line measurement of cement mineralogy is now becoming accepted into the cement industry. Continuous on-stream X-ray diffraction analysers are now operating in four different countries around the globe. A sample extracted from a production stream is passed ...

Cements with higher resistance to carbonate corrosion

The article establishes the fact of higher resistance to carbonate corrosion of concrete products based on multicomponent cements whose chemical-mineralogical and material composition ensures formation in a cement stone of micro-and submicroscopic structures. The latter...

On correlation between the grain size composition and strength of cement

The paper demonstrates that the presence of components more easily ground than clinker in the cement charge distorts the correlation between the specific surface and strength of cement, especially at early hardening stages and after heat and moisture treatment. A high c...

Production and properties of sulphate-containing cements based on low-aluminate raw materials

Sulfate-containing cement has been received from low aluminate and anthropogenic raw materials and it is modification of sulfoaluminate cement. Mineralogical composition of cement is following: C3A3CŜ (6-30%), C2S, CaSO4, С4AF. Sulfate-containing cement...

Problems of using technogenic raw materials in cement manufacture

The article reviews the experience of using technogenic raw materials in the USSR. It suggests their expanded classification and an appropriate terminology for them. The article establishes priority directions for replacement of natural raw materials with technogenic on...

Special features of manufacture of acid fluoride-based artificial gypsum stone

Special features of manufacture of acid fluoride-based artificial gypsum stone. The article considers the possibility of obtaining gypsum stone from acid fluoride. The results of this work demonstrated that, on the base of freshly neutralised acid fluoride, one can prod...

Cementation as a method of hardening the liquid radioactive waste

The article reviews the most widespread ways of cementing the liquid radioactive waste and storage of the resulting compound. The basic advantages and disadvantages of storing cemented radioactive waste in containers and in tank-type compartments are considered. It is s...

Contribution of FLSmidth Airtech to Cemex cement plant construction

The article considers the technology developed by the Danish company FLSmidth Airtech for systems of dust removal from exhaust gases and their delivery to the new Cemex plant in Broceni (Latvia). It points out the great value of timely equipment delivery for suc...

Belgorodsky Cement turns 60

The article describes the history of one of the leading Russian cement plant owned by ZAO Belgorodsky Cement, which is part of EUROCEMENT Group holding. On December 31, 2009 the enterprise turned 60. The article reviews the plant’s operation results in recent years and ...

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