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Dergiler / Anadolu Üniversitesi Bilim ve Teknoloji Dergisi :A-Uygulamalı Bilimler ve Mühendislik / 2015 / Cilt: 16 - Sayı: 2

EXPERIMENTAL INVESTIGATION OF DRYING PARAMETERS OF WET BRICKS

Perviz SAYAN
Selin ÖZEN
Sibel SARGUT TİTİZ
Gamze E. CİĞER
Bilge ÖZOĞUL
Ebru MANÇUHAN
Sayfa
203–210
Yayın Tarihi
2022-10-11
DOI
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⚡ TL;DR(1 Cümlede Hızlı Çıkarım)

When all test results were examined, they had been seen thatthe flexure strength values were quite higher than 1 MPa.

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Amaç & Hipotez:In this study, wet brick samples with different clay contents (40, 50 and 60%) were dried at variousdrying air temperatures (50, 60 and 70 o C) and velocities (1.13; 1.52; 1.66 m/s) in a laboratory scaletunnel dryer.
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Temel Bulgular & Veri:Drying times were obtained as 280 and 170 minutes at drying air temperatures of 50and 70 o C for sample with 40% clay content, respectively.
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Sonuç & Katkı:When all test results were examined, they had been seen thatthe flexure strength values were quite higher than 1 MPa.
🔬Tür:Araştırma Makalesi
📍Kapsam:Genişletilmiş Akademik Örneklem
⚙️Değişkenler:Alan Parametreleri

Abstract

In this study, wet brick samples with different clay contents (40, 50 and 60%) were dried at variousdrying air temperatures (50, 60 and 70 o C) and velocities (1.13; 1.52; 1.66 m/s) in a laboratory scaletunnel dryer. The results indicated that increasing air temperature reduces drying time at any clay contentof the brick body. Drying times were obtained as 280 and 170 minutes at drying air temperatures of 50and 70 o C for sample with 40% clay content, respectively. Increasing clay percentage in wet brick bodyresulted in an increase of the drying time. At drying air conditions (50 o C, 1.13 m/s), the sample withthe lowest clay content (40%) had 280 minutes drying time whereas the highest clay content one (60%)had 315 minutes drying time. The drying air temperature also affected sample s drying shrinkage.Drying air temperatures increased from 50 to 70 o C , total drying shrinkage decreased from 5.90% to4.89% (40% clay content and 1.13 m/s air velocity), respectively. According to TS 2514, flexure strengthhas to be at least 1 MPa for dried bricks. When all test results were examined, they had been seen thatthe flexure strength values were quite higher than 1 MPa.

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Bu Makaleye Atıf Yap

SAYAN, P., ÖZEN, S., TİTİZ, S. S., CİĞER, G. E., ÖZOĞUL, B., MANÇUHAN, E. (2022). EXPERIMENTAL INVESTIGATION OF DRYING PARAMETERS OF WET BRICKS. Anadolu Üniversitesi Bilim ve Teknoloji Dergisi :A-Uygulamalı Bilimler ve Mühendislik, Cilt: 16 - Sayı: 2, 203–210. https://ajindex.com/articles/438371

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Kaynakça (4)

  1. ASTM (2007). Standard Test Method for Free Moisture in Ceramic Whiteware Clays, C324-01. ASTM (2009). Standard Test Method for Drying and Firing Shrinkages of Ceramic Whiteware Clays, C326−09. ASTM (2013). Standard Test Methods for Sampling and Testing Brick and Structural Clay Tile, C67−13a. DPT (Devlet Planlama Teşkilatı) (2008). Dokuzuncu Beş Yıllık Kalkınma Planı. Taş ve Toprağa Dayalı Sanayiler Özel İhtisas Komisyonu Raporu, Cilt 1, DPT: 2773 ÖİK: 703, Ankara.
  2. Geankoplis, C.J. (1993). Transport Processes and Unit Operations. Prentice Hall, Inc., 3rd edition, U.S.A. Hasatani, M., Itaya, Y. and Muroie, K. (1993). Contraction Characteristics of Molded Ceramics During Drying. Drying Technology, 11(4) 815-830.
  3. Kornmann, M. (2007) Clay Bricks and Roof Tiles: Manufacturing and Properties. Société de l'industrie Minérale, France. Kowalski, S.J. (2003). Thermomechanics of Drying Processes. Vol. 8, Springer. Kowalski, S.J., Musielak, G. and Banaszak, J. (2007). Experimental Validation of The Heat and Mass Transfer Model for Convective Drying, Drying Technology, 25, 107-121.
  4. Kowalski, S.J., Musielak, G. and Rybick, A. (1997). The Response of Dried Materials to Drying Conditions. Int. J. Heat and Mass Transfer, Vol:40, No:5 1217-1226. TS 2514 (1977). Kerpiç Bloklar Yapım ve Kullanma. Vellhuis, J.M. and Denissen, J. (1997). Simulation Model for Industrial Dryers: Reduction of Drying Times of Ceramics & Saving Energy. Drying Technology, 15(6-8), 1941-1949.