Kononov D. Ceramic wall material based on tehnogenic materials

Subject of inquiry is processes of formation of the structure of wall material using complex mixtures containing activated raw waste. Thesis objective is to increase the strength of the ceramic brick partially activated complex molding composition of natural and technogenic raw materials through roasting at lower temperatures. Research methods: in conducting the research of phase-mineralogical composition and structure of raw materials and samples physico-chemical methods of analysis were used(X-ray diffraction, differential-thermal, electron microscopy).Theoretical and practical results are to possibility of using the scientific and theoretical results in the production of ceramic wall materials from partially activated complex molding composition of natural and raw waste materials through roasting at lower temperatures. Novelty of the research: revealed that a complex (mechanical and chemical) activation of loess loam by grinding in an alkaline medium with sodium cations and iron increase the content in it colloidal particles on 13,7-16,3% compared with a manual activation of raw materials; : revealed that a complex (mechanical and chemical) activation of loess loam by grinding in an alkaline medium with sodium cations and iron increase the content in it colloidal particles, increases strength after forming raw on 29% and after drying at 200 C by 32%; revealed that the final stage of the firing temperature of the beginning of sintering raw brick complex of the activated material is reduced from 800 to 680 C, the end of the sintering from 950 to 870 C, compared with the mechanically activated raw materials; further development of an idea about the ceramic crock structure formation process involving a fluxing action in contact zones have compounds containing sodium cations, iron, causing an intensive formation melts in them, followed by crystallization as ferrosilite, egerina, almandine at lower temperatures; revealed that the resulting matrix structure consists mainly of crock: flat particle size 1-2 microns in contact via bridges by types basis - chip, chip-chip, basis - basis, rounded silica particles, the size of 0.4-1 microns associated compounds almandine, aegirine , ferrosilite, partially spherical colloidal silica or hematite associated iron cations, sodium; revealed that activation of loess loam by grinding in an alkaline medium increase the strength of material after roasting on 39%. Implementation extent: carried out pilot plant test results of research on the "Novoaleksandrovsky brickyard" and defined the technical and economic efficiency of production of ceramic bricks on the basis of technogenic materials, accounting for 1 thousand units will amount to 185.7 UAH. Range of application: in the manufacture of ceramic wall materials based on technogenic materials.