Practical determination of MAAG gear efficiency.

The article cites examples of efficiency calculations for MAAG reducers. It is shown that about 60% of all the electric power required for cement grinding is consumed by the ball mill drive. To determine the efficiency of a double planetary gear, the energy lost in ...

A liquid-phase model of alite formation in sintered Portland cement clinker.

On the basis of physical and chemical methods of the analysis of sintered and quick-cooled samples of raw mixes, a model of al1te formation in the presence of a clinker melt has been developed.

The grain size of portlandcements of the centrifugal-shock grinding.

The equipment, possessing a number of advantages of klinker grinding in comparison with a ball mill, is viewed in this article.

Production of gypsum hemihydrate in vertical roller mills and gypsum kettles.

Gebr. Pfeiffer AG supplies both directly heated MPS vertical roller mills and indirectly heated kettles for calcining gypsum. Due to the different calcining methods used and the respective atmospheres, the products differ, even if the same raw material is used. Hemihydr...

International Conference UkrCemFor 2007 “Cement Industry and Its Development Prospects”

The Conference organized by Ukr-Cement Association for the second time was held at Yaremcha (Ukraine) on 14-15 February 2007. Taking part in the Conference were around 130 representatives of practically all Ukrainian cement plants, equipment and materials produc...

Cement industry of Ukraine and Ukr-Cement Association.

Description of the Ukrainian cement industry

Cement industry of Ukraine. Results of operations in the 1st quarter of 2007.


Podolsky Cement Company

Interview given by S.I. Darchuk, OAO Podolsky Cement Chairman of the Board of Directors & General Director.

Expanding the product range at dry construction mix plants.

The article discusses the technical feasibility and possible efficiency of setting up manufacture of non-core products at dry construction mix production facilities. Such non-core items include the production of special cements, as well as the production of dry construc...

Firing of high-magnesia rock to obtain a construction-purpose binder.

On the basis of a comprehensive study of the chemico-mineralogical structure of magnesia rocks from various deposits, the article develops their firing parameters for obtaining a construction-purpose binder. It is established that the firing mode of magnesia rock to a s...

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