Conical ball mill

Cylindrical ball mill Conical ball mill ... 

Figure 2.27. Cut-away view of the Hardinge conical ball mill showing how energy is proportioned to the...

The Hardinge mill, shown in Figure 2.30, is a ball mill in which the balls segregate themselves according to size. The main portion of the mill is cylindrical as in the ordinary ball mill, although the outlet end is conical and tapers towards the discharge point. The... 

Figure 12.5. Jaw, roll, impact, and tumbling equipment for size reduction, (a) Blake-type jaw crusher operates at 200-300 strokes/min (Allis-Chalmers Co.), (b) Smooth roll crusher, for which operating data are in Table 12.8(b). (c) Swing hammer mill operating data in Table 12.7(a). (d) View of a conical ball mill, showing distributions of balls and material and crusting ranges data in Table 12.6(b) (Hardinge Co.). (e) Tube mill with three compartments, length to diameter ratio 3-5. (f) Rod mill in a cylindrical tumbler, LID = 1.2-1.6 data in Table 12.6(d).

Ball mills are operated with cylpebs or balls, and often employ a conical shape or compartments for better milling characteristics they can also be used for microfme milling. 

Dpen-drcuit rod mill. Closed-circuit rod mill Tfunniohoverfiow cylindi1i V-— Grate ball mill, clos — Conical ball mill. at --bJll""mil ed circuit dosed circuit blosed circuit,... 

Conical ball mills like the Hardinge mill shown in Fig. 8 have their larger diameter closer to the feed inlet. 

Fig. 8 Hardinge conical ball mill. (Courtesy of Metso Minerals, York, PA.)...

---