Thermally Activated Chemical Technology Processes of Agglomeration of Phosphorites


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Abstract

The chemical technology processes that are of practical importance in the chemical technology system for thermal treatment of raw materials such as drying, coke combustion, decarbonization of phosphorites, melting of batch particles, formation of agglomerated cake, and moisture vapor condensation in lower beds were studied. These processes are thermally activated and proceed during agglomeration in the phosphate raw material. The results of the experimental studies of the sintering kinetics of the phosphate raw materials were presented. A multifactor dependence was revealed in the agglomeration processes under study. Increased resistance to the movement of the heat carrier gas was observed in the melting and fit agglomerate zones, which led to a decrease in the rate of filtration of the heat carrier gas through the bed and worsened the conditions of the chemical technology processes.

About the authors

V. I. Bobkov

Moscow Power Engineering Institute (National Research University) (Smolensk Branch)

Author for correspondence.
Email: vovabobkoff@mail.ru
Russian Federation, Smolensk, 214013

V. V. Borisov

Moscow Power Engineering Institute (National Research University) (Smolensk Branch)

Email: vovabobkoff@mail.ru
Russian Federation, Smolensk, 214013

M. I. Dli

Moscow Power Engineering Institute (National Research University) (Smolensk Branch)

Email: vovabobkoff@mail.ru
Russian Federation, Smolensk, 214013

V. P. Meshalkin

Mendeleev University of Chemical Technology of Russia

Email: vovabobkoff@mail.ru
Russian Federation, Moscow, 125047

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