Replacement of the cooler drives of rotary kilns at Akhangaran-Cement, with the installation of induction motors from German company KEB using frequency control is described. Constant-torque motors with frequency converters by the same company are installed in the rotar...
This article describes the latest development of Bruker AXS - S8 TIGER ECO Cement spectrometer, designed to determine the elemental composition of materials in cement production by successive wavelength dispersive XRF analysis. The device meets the requirements of ASTM ...
The operating principle of MAYA laser optical emission elemental analyzer developed by the Israeli company Laser Distance Spectrometry is described. Examples of using it for sorting mineral raw materials and stabilization of mixes in the manufacture of various materials...
comparative study was made of sulfate resistance of cement stone samples with basic sulfates addition (composed of Al(OH)1.78(SO4)0.61) and amorphous aluminum hydroxide. After 3 months the samples with addition of Al(OH)3 stored in a sol...
The article describes a method of determining the thermal effect of clinker formation, more accurate and less time-consuming compared to the one traditionally used.
The article describes a method of determining the thermal effect of clinker formation, more accurate and less time-consuming compared to the one traditionally used.
Characteristics of oil-well additive-free Portland cement of I-G and I-H types with high sulfate resistance (SS-1), produced and shipped by OOO Krasnoyarsk Cement since autumn 2012, are given. In March 2013 the plant was certified according to the standards of t...
The article compares the requirements for well cements of the Russian GOSTs and the specifications of the American Petroleum Institute (API). The importance of testing cementing slurries in accordance with API recommendations is emphasized.
Analysis of expediency of oil-well materials usage which are produced by technology of dry mixing was made.
The article describes "waste derived solid fuel" based on 2/3 municipal solid waste (MSW) + + 1/3 commercial and industrial solid waste (CISW) and processed through five steps: • coarse MSW shredding to 250 to 300 mm size, • aerobic bio...
