Page 383 - Chemical Process Equipment - Selection and Design
P. 383
346 DISINTEGRATION, AGGLOMERATION, AND SIZE SEPARATION OF PARTICULATE SOLIDS
AHFlywheel
Feed
F/ywhee/
/Relief
spring
Discharge
(b)
C ~ 650 fprn ~400 fprn 250 fprn ~ ~ ~ ~ )
~
?&-in. ball 2L5-in. ball
crushing crushing
I-in. material %-in. material
=43:1 = 125:l
111 ion
& Periphval tlischnrge 4 discharge
when required
(e) (f 1
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 crushing 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).