Development of a semi-wet process for ceramic wall tile granule production

Emrah Durgut*, Çiğdem Yiğit Pala, Kağan Kayacı, Ali Altıntaş, Yıldız Yıldırım, Hasan Ergin

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3 Atıf (Scopus)


In ceramic tile manufacturing industry, the wet process includes wet grinding and spray drying, is widely used for preparing granule. However, due to the high energy consumption for the water evaporation in spray dryer has become a major problem in wet process. In recent years, there have been vast amount researches for developing of dry granulation processes that consist of dry mills such as vertical roller mill or pendular mill and a granulator, have various problems on the granule shapes and granule size distributions that cause quality problems in the final products. In this research, it is aimed to develop a new production system, called as Semi-Wet Process. The new system consists of a horizontal dryer, dry ball mill, separator and additional high speed mixture. The raw-materials having low humidity are ground to the required fineness in dry size reduction process. The other components of recipe, that are prepared in conventional wet process, are mixed with the dry prepared powder in the mixing slurry tank. The addition of dry powder reduces the water ratio of final suspension, in other words, the bulk density of the slurry increases. Hence, a decrease is shown at the natural gas consumption of the water evaporation in spray dryer. The case application of developed Semi Wet System has been carried out in Kaleseramik Factory, which is the largest ceramic manufacturer in Turkey. The sintered wall tile wastes were ground in the developed system to the fineness of under 63 μm sieve. The dry prepared powder was added by 15% to the body slurry in the mixing tank, the bulk density of the wall tile slip has risen from 1632 g/L to 1750 g/L. As a result, the natural gas consumption has reduced from 52,52 sm3/ton to 37,52 sm3/ton. The use of Semi Wet System can provide savings around 6.750.000 sm3/year for the current production rate at the factory.

Orijinal dilİngilizce
Sayfa (başlangıç-bitiş)596-600
Sayfa sayısı5
DergiJournal of Ceramic Processing Research
Basın numarası5
Yayın durumuYayınlandı - 2015

Bibliyografik not

Publisher Copyright:
© 2015, Hanyang University. All rights reserved.

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