Technological complex for utilization of high- calcium ash and slag for Abakan thermal power plant

摘要

The Siberian State Academy for Mining andMetallurgy (SSAMM) and Uglestrinproject have developed aproject for complex utilization of waste produced by burningbrown coals from Kansk-Achinsk Power Complex at theAbakan thermal power plant. The project provides for totalutilization of ashes and slags from the thermal power plant forproducing finished 'cementless' binder and aggregate, finished'cemenfless' fine ash/slag concrete and mortar, precastreinforced concrete structures and small products (silicatebrick). Previous investigation of ash and slag from the thermalpower plant and concretes on their base was completed in 1995.After grinding and introducing silica Rime, ash and slag tomeet the requirements of State Standard 25818-91, concrete isin accordance with State Standard 26633-91.The technological complex providing 100-percent utilization ofwaste products from the TPP includes departments for grindingash with a storage, for producing sand from slag with a storage,molding with concrete mixers and premises for admixtures.The project has been approved by a nature committee of theKhakass Republic and is in accordance with the ecologicalstandards. The construction of the complex is currently under way.