Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
In this study, the effect of mill speed was investigated on the limestone and the clinker samples of Goltas Cement Factory (Isparta, Turkey) at batch grinding conditions based on a kinetic model. For this purpose, first, six different monosize fractions were carried out between 0.850 and 0.106 mm formed by a two-sieve series. Then, S i and Bi,j equations were determined from the size distributions at different grinding times, and the model parameters (Si, aT,alpha,gamma, and phij) were compared for five different mill speed (fractional of mill critical speed; 55%, 65%, 75%, 85%, and 95%). The effect of the fraction of mill critical speed (phic) on the grinding for model parameter aT was found to be different for two different samples: a T=0.0344 exp(0.00301 phic) for clinker and a T=0.0225 exp(0.06183 phic) for limestone. Additionally, it was found in this study that optimum grinding occurs at phic= 85%, in contrast to the 70% of critical speed of the ball mill in the cement factory.
In this study, the effect of mill speed was investigated on the limestone and the clinker samples of Goltas Cement Factory (Isparta, Turkey) at batch grinding conditions based on a kinetic model. For this purpose, first, six different monosize fractions were carried out between 0.850 and 0.106 mm formed by a two-sieve series. Then, S i and Bi,j equations were determined from the size distributions at different grinding times, and the model parameters (Si, aT,alpha,gamma, and phij) were compared for five different mill speed (fractional of mill critical speed; 55%, 65%, 75%, 85%, and 95%). The effect of the fraction of mill critical speed (phic) on the grinding for model parameter aT was found to be different for two different samples: a T=0.0344 exp(0.00301 phic) for clinker and a T=0.0225 exp(0.06183 phic) for limestone. Additionally, it was found in this study that optimum grinding occurs at phic= 85%, in contrast to the 70% of critical speed of the ball mill in the cement factory.
The effect of mill speed on kinetic breakage parameters of clinker and limestone
Deniz, V. (Autor:in)
Cement and Concrete Research ; 34 ; 1365-1371
2004
7 Seiten, 10 Quellen
Aufsatz (Zeitschrift)
Englisch
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