Question

8. To provide coal for coke ovens in steel making, a crusher must provide coal sizes that 80% of particles pass through a screen of 2mm, with rate of 10 ton/h. The nominal size of 80% of the feed arrives from coal washing ponds is 10 cm. Calculate the power required for this 1041 crusher in hp. The work index is 11.37. To provide iron for hematite ovens in iron rod making, a crusher must provide iron sizes that 80% of particles pass through a screen of 5mm, with rate of 20 ton/h. The nominal size of 80% of the feed arrives frorn iron washing ponds is 15 cm. Calculate the power required for this crusher in hp. The work index is 15.40 [04]

Answer 1

m Bono's olco - O.3162 dndr ri ひつh04 in ku 几 Penti de,

Cien, dn=2mm f 0cm - o on/h gall bonosLauo 11.3 loxo.3162 x 11.3 P- 29- 2 h.p ne

No. aeuin uwe t Bond's dtuo dor し仄所. Mexu Given /So