Wet comminution in stirred media mills — research and its practical application

Kwade, Arno

doi:10.1016/s0032-5910(99)00113-8

Cited by 198 publications

(88 citation statements)

References 11 publications

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“…Empirical and semi-theoretical investigations have been reported in the literature and are said to be in general agreement [12]. A detailed numerical analysis of laminar flow in a mill vessel of typical geometry with disk-type agitators indicates a relatively uniform flow field except close to the disk surfaces and the grinding chamber walls where there are high velocity gradients and, correspondingly, high energy dissipation [13].…”

Section: Transport and Flowmentioning

confidence: 85%

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A Review of Breakage Behavior in Fine Grinding by Stirred-Media Milling

Hogg¹,

Cho

2000

KONA

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Section: Transport and Flowmentioning

confidence: 85%

“…The latter determines the effectiveness of energy transfer between media and particles. The following specific relationship has been proposed [12,16]:…”

Section: Particle Breakagementioning

confidence: 99%

A Review of Breakage Behavior in Fine Grinding by Stirred-Media Milling

Hogg¹,

Cho

2000

KONA

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“…The grinding apparatus used in this experiment was a bead mill (SC-mill) [1][2][3][4], a circular high-flow stirred media mill. The bead mill was developed for fine or ultra-fine grinding to final particle sizes in the submicron or several tens of nanometer regions, where other conventional stirred media mills exhibit low grinding efficiency [5][6][7][8]. The main features of this mill are the length of the grinding vessel, which is short in comparison with its diameter, and the flow direction of the grinding material slurry, which is made to coincide with the direction of centrifugal force due to the rotor acting on small grinding media (bead diameter less than 1 mm), as shown in Figure 1.…”

Section: Introductionmentioning

confidence: 99%

Effect of Poly-sized and Mono-sized Grinding Media on Fine Grinding of Limestone in a Bead Mill

Kotake

Matsumoto

Sekine³

et al. 2014

Int.J.Soc.Mater.Eng.Resour.

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This study examined the fine grinding of limestone using a bead mill and a circular stirred media mill. Fine grinding characteristics of the bead mill using poly-sized grinding media with a volume mean diameter of 0.5 mm were compared with those observed by mono-sized grinding media with the same mean diameter. The median diameter of the ground particles and the mass of milled products below 1μ m can be expressed as functions of the number of rotor revolutions, the mass of the grinding media, and/or the mass of the sample; these relationships were observed for both the poly-sized and mono-sized grinding media. This study showed that the median diameter of particles milled with poly-sized grinding media was more than 10% smaller than that obtained with mono-sized grinding media, and the mass of milled particles below 1μ m produced with the poly-sized media was more than 10% greater than that milled using mono-sized media. The use of the poly-sized grinding media in the bead mill led to improvement in productivity of fine particles of limestone.Key Words : Bead mill, poly-sized grinding media, fine grinding, limestone OriginalReceived January 10, 2014 Accepted for Publication April 14, 2014 ©2014 Soc. Mater. Eng. Resour. Japan Figure 1 Grinding vessel of the bead mill.

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“…The grinding apparatus used in this experiment was a super centrifugal mill (SC-mill) [1][2][3][4], which is a circular-type, high flow stirred mill. The SC-mill was developed for fine or ultra-fine grinding in the submicron or several tens of nanometer region, where other conventional stirred media mills exhibit low grinding efficiency [5][6][7][8]. The main features of this mill are 1) the length of the grinding vessel, which is short in comparison with its diameter, and 2) the flow direction of the grinding material slurry, which is made to coincide with the direction of centrifugal force due to the rotor acting on small grinding media (ball diameter less than 1 mm), as shown in Figure 1.…”

Section: Introductionmentioning

confidence: 99%

Investigation into the Fine Grinding of Limestone with a Super Centrifugal Mill

Kotake

Endo

Sato

et al. 2010

Int.J.Soc.Mater.Eng.Resour.

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This study presents results from a study of fine grinding in limestone conducted using a super centrifugal mill (SC-mill), a type of circular stirred mill. The effects of the operational conditions in the SCmill such as rotor speed, grinding time, the mass of the grinding media, and the mass of the feed sample on the fine grindability of limestone were investigated for 0.5 and 0.8 mm grinding media. The results suggest that the mass and the specific surface area of the fine particles produced by the SC-mill could be expressed as functions of the operational conditions mentioned above for the respective grinding media size.

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Wet comminution in stirred media mills — research and its practical application

Cited by 198 publications

References 11 publications

A Review of Breakage Behavior in Fine Grinding by Stirred-Media Milling

A Review of Breakage Behavior in Fine Grinding by Stirred-Media Milling

Effect of Poly-sized and Mono-sized Grinding Media on Fine Grinding of Limestone in a Bead Mill

Investigation into the Fine Grinding of Limestone with a Super Centrifugal Mill

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