Light Burning Condition of Preparing Dolomite Clinker Using Natural Dolomite

Abstract:

The influence of the light burning temperature on the sintering property of nature dolomite has been investigated by two-step sintering process in the temperature range 1500 °C to 1600 °C. The resulting bulk densities and apparent porosities of the sintered dolomite samples were examined, and analyzing the sintered dolomite by scanning electron microscopy and X-ray diffraction were performed. The results showed light burned at 850 °C for 3 h, the main phases of the dolomite with 3-5 grain size were MgO, CaO and little CaCO₃, and then fired at 1600 °C,the density of sintering dolomite reached to 3.38 g/cm³, the apparent property was 1.2 %, the size of MgO grain up to 3.75 μm . However when dolomite light burned at 1050 °C for 3 h, the main phases were MgO and CaO, and then fired at 1600 °C,the density of sintering dolomite only was 3.30 g/cm³, the apparent property was 2.3 %, the size of MgO only was 3.05 μm .

• Periodical: Solid State Phenomena (Volume 281)
• Pages: 156-162
• DOI: https://doi.org/10.4028/www.scientific.net/SSP.281.156
• Online since: August 2018
• Authors: Wang Nian Zhang, Xi Tang Wang*, Zhou Fu Wang
• Keywords: Dolomite, Light Burned, Sinter

References

[1] V. D. Barbanyagrè, L. E. Zubakova, The water-resistant dolomite briquette with free CaO produced from the Lis'egorskoe deposit dolomite, Refractories and Industrial Ceramics. 10 (1998) 12-14.

DOI: 10.1007/bf02770603

[2] Solihin, Eko Sulistiyono, Synthesis of magnesium carbonate using indonesin dolopite, Advanced Materials Research. 1112 (2015) 546-549.

DOI: 10.4028/www.scientific.net/amr.1112.546

[3] S. A. Suvorov, M. I. Nazmiev, A. P. Baranov and A. A. Dmitrienko, A high-density water-resistant magnesia-lime material based on dolomite, Refractories and Industrial Ceramics. 46 (2005) 217-219.

DOI: 10.1007/s11148-005-0089-z

[4] M. A. Serry, M.B. EI-Kholi, M. S. Elmaghraby and R. Telle, Characteraztion of Egyptian dolomititic magnesite deposits for the refractories industry, Ceramics international. 28 (2001) 575-583.

DOI: 10.1016/s0272-8842(02)00012-3

[5] H. A. Yeprem, E. Turedi and S. Karagoz, A quantitative-metallographic study of the sintering behavior of dolomite, Materials Characterization. 52 (2004) 331-340.

DOI: 10.1016/j.matchar.2004.06.004

[6] A. Ghosh. H.S. Tripathi, Sintering behaviour and hydration resistance of reactive dolomite, Ceramics international. 38 (2012) 1315-1318.

DOI: 10.1016/j.ceramint.2011.09.005

[7] Jing Hua Xue, Min Fang Han, Qing Yun Wang, Study of carbonizing processes for sintered dolomite, Key Engineering Materials. 336-338 (2007) 2552-2555.

DOI: 10.4028/www.scientific.net/kem.336-338.2552

[8] H.A. Yeprem, H. Hübner, Effect of Fe2O3 additions on sinterability of konya dolomite of turkey, Key Engineering Materials. 264-268 (2004) 1819-1822.

DOI: 10.4028/www.scientific.net/kem.264-268.1819

[9] Róbert Géber, István Kocserha, László A. Gömze, Influence of composition and grain size distribution on the properties of limestone and dolomite asphalt fillers, Materials Science Forum. 729 (2012) 344-349-(2013).

DOI: 10.4028/www.scientific.net/msf.729.344

[10] Burcu Ertuğ, Classification and characteristics of predominant refractories used in metallurgy, Advanced Engineering Forum. 26 (2018) 9-21.

DOI: 10.4028/www.scientific.net/aef.26.9

[11] Zheng Guo, Bai Kuan Liu, Xiao Li Tian, Influence of MgO coating layer on properties of MgO-CaO refractories, Applied Mechanics and Materials. 633 (2014) 396-399.

DOI: 10.4028/www.scientific.net/amm.633-634.396

[12] H. Aygul Yeprem, Effect of iron oxide addition on the hydration resistance and bulk density of doloma, Journal of European Ceramic Society. 27 (2007) 1651-1655.

DOI: 10.1016/j.jeurceramsoc.2006.05.010

[13] Zhang Yahao, Wang Xitang, New technology research of the natural dolomite synthetic magnesium and calcium sand, Refractory, 46 (2012) 107-110.

[14] Zhang Wangnian, Wang Xitang, Influence of addition of CaCO3 powder on the sintering property of natural dolomite, Rare metal materials and engineering. 42 (2013) 935-938.

[15] Zhang Yong, Ding Shuang, The effect of thermal decomposition of dolomite on the activity of magnesium oxide, Chemical minerals and processing. 4 (2008) 9-11.

[16] Jiang Shuxing, Study on technological characteristics of process of calcination and decomposing dolomite ore, Non-metallic minerals. 34 (2011) 22-25.

[17] M.V. Belousov, E.N. Selivanov, R.I. Gulyaeva, Thermodynamics and kinetics of thermal dissocation of dolomite, Russian Journal of Non-Ferrous Metals. 57(2016) 180-186.

DOI: 10.3103/s1067821216030032