TY - GEN
T1 - Analysis of large bell angle in double bell system on burden material distribution and layer deformation in mini blast furnace with capacity 250 ton/day using solid particle model
AU - Pintowantoro, Sungging
AU - Hidayat, Mas Irfan P.
AU - Abdul, Fakhreza
AU - Syaifullah, Hamzah
N1 - Publisher Copyright:
© 2019 Trans Tech Publications Ltd, Switzerland.
PY - 2019
Y1 - 2019
N2 - The abundant of nickel ore resources in Indonesia and the regulations of Law of Coals and Minerals No. 4 year 2009 cause the development of nickel ore processing technology. One of the proven nickel ore processing technology is Mini Blast Furnace (MBF). When, the raw materials were fed to the MBF, there is a charging system to ensure good distribution of raw materials in MBF. The double bell charging system has an important role on the distribution of burden material in MBF. By optimizing the distribution and layers of the material burden, it will increase the stability and efficiency of the MBF process. Therefore, this study focused on analyzing the effect of large bell angle on the distribution of burden material in MBF using discrete element method. After analyzed, large bell angle differences produce different burden material distribution. For particle distribution, particles of small density (coal and dolomitee) tend to be concentrated in the center zone and particles of large density (ore) tend to be concentrated in the intermediate and peripheral zone. The larger angle of the large bell will increase particle falling velocity and the kinetic energy of the burden material. The most stable layer in MBF was obtained when using 65o bell angle. The MBF with 65o large bell angle is the best bell angle for MBF with capacity of 250 ton/day due to the greatest possibility of central working furnace operation.
AB - The abundant of nickel ore resources in Indonesia and the regulations of Law of Coals and Minerals No. 4 year 2009 cause the development of nickel ore processing technology. One of the proven nickel ore processing technology is Mini Blast Furnace (MBF). When, the raw materials were fed to the MBF, there is a charging system to ensure good distribution of raw materials in MBF. The double bell charging system has an important role on the distribution of burden material in MBF. By optimizing the distribution and layers of the material burden, it will increase the stability and efficiency of the MBF process. Therefore, this study focused on analyzing the effect of large bell angle on the distribution of burden material in MBF using discrete element method. After analyzed, large bell angle differences produce different burden material distribution. For particle distribution, particles of small density (coal and dolomitee) tend to be concentrated in the center zone and particles of large density (ore) tend to be concentrated in the intermediate and peripheral zone. The larger angle of the large bell will increase particle falling velocity and the kinetic energy of the burden material. The most stable layer in MBF was obtained when using 65o bell angle. The MBF with 65o large bell angle is the best bell angle for MBF with capacity of 250 ton/day due to the greatest possibility of central working furnace operation.
KW - Burden Material Distribution
KW - Burden Material Layer
KW - Charging System
KW - Mini Blast Furnace
UR - http://www.scopus.com/inward/record.url?scp=85071936775&partnerID=8YFLogxK
U2 - 10.4028/www.scientific.net/MSF.964.185
DO - 10.4028/www.scientific.net/MSF.964.185
M3 - Conference contribution
AN - SCOPUS:85071936775
SN - 9783035714340
T3 - Materials Science Forum
SP - 185
EP - 192
BT - Seminar on Materials Science and Technology
A2 - Noerochim, Lukman
PB - Trans Tech Publications Ltd
T2 - 4th International Seminar on Science and Technology, ISST 2018
Y2 - 9 August 2018 through 9 August 2018
ER -