Journal
Modernization of A2800 gear of the cement ball mill drive at the Semey cement plant is described. The original A2800 gear stages were replaced with ne...
| Issue №5, 2012 |
| Section: Equipment and technology |
| Keywords: reducing gear, cement mill, modernization |
| Autor: G. Krossing, H. Blossfeldt, A. Gshibowski, S. Kizner. |
When it comes to making decisions on modernization of cement plants in order to maintain their competitiveness, the decisive factors are in-depth know...
| Issue №5, 2012 |
| Section: Equipment and technology |
| Keywords: cement plant, modernization, production capacity |
| Autor: M.K. Hoffmann. |
Concretes with low cement content (LCC — Low Cement Castables) provide good performance when properly cast and heated. In a modern world of st...
| Issue №5, 2012 |
| Section: Refractories |
| Keywords: quick-drying refractories, low cement castables, no cement castables, refractory lining, quick drying, refractory sill, burner, kiln firing hood, cooler |
| Autor: M. Louen, V. Wagner, A. Klemba. |
For the expansion of the production Fauji Cement Company built a second kiln line. At this occasion Fauji Cement Company also invested in a SpectraFlo...
| Issue №5, 2012 |
| Section: Control of production |
| Keywords: cement plant, online analyzer, raw mix |
| Autor: R. Ahmed, C. Potocan. |
The «acceleration by retardation» concept is to make an admixture composition that will accelerate the setting of Portland cement by retarding two oth...
| Issue №5, 2012 |
| Section: Science and production |
| Keywords: acceleration, expansion, flash set, gypsum, isothermal calorimetry, retardation |
| Autor: H. Justnes. |
Composite cements consisting of CEM I Portland cement and 30 % replacement by mixtures of calcined clays and limestone have been studied. The calc...
| Issue №5, 2012 |
| Section: Science and production |
| Keywords: composite cement, calcined clay, limestone, CO2 reduction |
| Autor: M. Steenberg, D. Herfort, S.L. Poulsen, J. Skibsted, J.S. Damtoft. |
The processes that take place during the heat treatment of secondary kaolins from three deposits were examined. It is shown that the temperature requi...
| Issue №5, 2012 |
| Section: Science and production |
| Keywords: kaolin, kaolinite, metakaolin |
| Autor: E.S. Mikhailyuta, E.V. Alekseev, V.V. Koleda, T.A. Shevchenko. |
The paper deals with issues of suction in closed cycle cement ball mills, and its effect on the kinetics of the process of grinding. A computational m...
| Issue №5, 2012 |
| Section: Science and production |
| Keywords: aspirational mode, ball mills, closed circuit, disperse composition |
| Autor: V.S. Bogdanov, R.R. Sharapov, O.I. Bazhanova, R.R. Sharapov Jr.. |
The results of the study of structural and rheological properties of suspensions prepared from monomineral clayey and carbonate raw materials, forming...
| Issue №5, 2012 |
| Section: Science and production |
| Keywords: rheological properties, softener, mineral, raw mix |
| Autor: O.A. Panova, I.A. Ivleva, P.V. Besedin. |
Particle size of cement powder is a key factor that affects the properties of cement. In this paper chemical and mineral compositions of narrow partic...
| Issue №5, 2012 |
| Section: Science and production |
| Keywords: narrow particle size fractions, mineral compositions, specific surface area |
| Autor: Xu Lingling, Wang Yang, Liu Mingdi, Ye Xuechu. |