The Investigation of Grindability of Refractory Wastes in Their Recycling

The Investigation of Grindability of Refractory Wastes in Their Recycling The ceramic industry is one that stands out in the use of industrial tailings, replacing pure raw materials by some of these materials. Refractory wastes are ground and used in certain proportions in refractory production. This study is aimed at determining the grindability of recycling of refractory wastes and their kinetic behavior. The breakage behaviors were determined experimentally by using the mono-size fraction technique. The mono-size samples of –2360 + 1700 μm, –1180 + 850 μm, and –425 + 300 μm were ground batchwise for the selected periods to determine the Si. At the end of each grinding period, using the material at different mono-size groups, we determined the particle size distributions and breakage behaviors of the products. Depending on the grinding periods in both of the mills, energy consumption and d80 values of grinding products obtained by various grinding periods were determined. It was found that as the size group decreases, the breakage speed decreases in the ball mill and increases in the stirred mill. An increase in the grinding period results in an increase in energy consumption, but there is no significant change in d80 size in grinding of refractory waste in the ball mill. However, it was found that d80 size decreases significantly with increasing grinding period in the stirred mill. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Refractories and Industrial Ceramics Springer Journals

The Investigation of Grindability of Refractory Wastes in Their Recycling

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Publisher
Springer US
Copyright
Copyright © 2015 by Springer Science+Business Media New York
Subject
Material Science; Characterization and Evaluation of Materials; Materials Science, general; Ceramics, Glass, Composites, Natural Methods
ISSN
1083-4877
eISSN
1573-9139
D.O.I.
10.1007/s11148-015-9822-4
Publisher site
See Article on Publisher Site

Abstract

The ceramic industry is one that stands out in the use of industrial tailings, replacing pure raw materials by some of these materials. Refractory wastes are ground and used in certain proportions in refractory production. This study is aimed at determining the grindability of recycling of refractory wastes and their kinetic behavior. The breakage behaviors were determined experimentally by using the mono-size fraction technique. The mono-size samples of –2360 + 1700 μm, –1180 + 850 μm, and –425 + 300 μm were ground batchwise for the selected periods to determine the Si. At the end of each grinding period, using the material at different mono-size groups, we determined the particle size distributions and breakage behaviors of the products. Depending on the grinding periods in both of the mills, energy consumption and d80 values of grinding products obtained by various grinding periods were determined. It was found that as the size group decreases, the breakage speed decreases in the ball mill and increases in the stirred mill. An increase in the grinding period results in an increase in energy consumption, but there is no significant change in d80 size in grinding of refractory waste in the ball mill. However, it was found that d80 size decreases significantly with increasing grinding period in the stirred mill.

Journal

Refractories and Industrial CeramicsSpringer Journals

Published: Oct 20, 2015

References

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