Bulletin . ^^ (C/)o^s) ^5. Figure 8. Flow sheet of mill in Picher district, Okla. C, concentrate; 3/, middling, T, tailing; L, leadconcentrate; Z, zinc concentrate; R, return. For significance of numbers, see table on opposite page. ORE-DRESSING PRACTICE. 43 Data on parts shown in figure 8. 1. Hopper. 2. Crushers (two), size 18 by 12 inches, speed 354 r. p. m. S. Rolls (two sets), Cornish type, size 42 by 16 inches, speed r. p. m. 4. Elevators (two), size 24 inches, speed 372 feet per minute. 5. Trommels (two), size 48 by 96 inches, %-inch openings, speed r. p. m. 6. Rolls (two sets)
Bulletin . ^^ (C/)o^s) ^5. Figure 8. Flow sheet of mill in Picher district, Okla. C, concentrate; 3/, middling, T, tailing; L, leadconcentrate; Z, zinc concentrate; R, return. For significance of numbers, see table on opposite page. ORE-DRESSING PRACTICE. 43 Data on parts shown in figure 8. 1. Hopper. 2. Crushers (two), size 18 by 12 inches, speed 354 r. p. m. S. Rolls (two sets), Cornish type, size 42 by 16 inches, speed r. p. m. 4. Elevators (two), size 24 inches, speed 372 feet per minute. 5. Trommels (two), size 48 by 96 inches, %-inch openings, speed r. p. m. 6. Rolls (two sets), Cornish type, size 36 by 14 inches, speed r. p. m. 7. Dewatering screens (two), 48 by 48 inches, 13^-inch openings, speed 4 r. p. m. 8. Elevators (two), size 18 inches, speed 310 feet per minute. 9. Hopper, 300-ton capacity. 10. Cooley rougher jigs (two), Harz type, with six cells, each 42 by 48 inches in size, speed 91 strokes per minute. 11. Dewatering boxes (two). 12. Elevator, 16-inch, speed 376 feet per minute.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectminesandmineralresou
