Conclusions
The shaft mill is suitable for combined grinding and drying of refractory clays with different moisture contents, including frozen clays.
The product of combined grinding and drying in a shaft mill, in regard to grain-size composition and moisture content, corresponds to the technological norms. The grain-size composition and moisture content of the power are easily regulated.
Operating costs with combined grinding and drying of refractory clays in a shaft mill are about 25% less than when drying in a drying drum and grinding in a disintegrator.
The dimensions and capital costs of the installation with a shaft mill are less than for a unit with a drying drum and disintegrator.
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Potemkin, P.S., Shumilin, A.A., Shalkov, K.A. et al. Combined grinding and drying of refractory clays in a shaft mill. Refractories 4, 65–69 (1963). https://doi.org/10.1007/BF01283235
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DOI: https://doi.org/10.1007/BF01283235