Ball, Tube and Rod Mills

524 66 93MB

English Pages 131

Report DMCA / Copyright

DOWNLOAD FILE

Polecaj historie

Ball, Tube and Rod Mills

Citation preview

Ι.Ε.J ΟΊ._. Η.

Μ.

.

Ιι

1111

su ιι.ινΑΝ

I

{

Η ΟΙ)

ΜJιιs 11.

Κ

Ηο~Ε

\~11

Η. Μ.

Κ Sυι.ι.ινΛΝ

Ί'Ιιίs l!ook tlπo\o\' S nι>w liglιt on the internal ιηeclHωics of mills. lt covers among others thc following aspects: Ball, tube, rod, ρebl>le, IHιtclι, grate-discharge, trunnion-overfiow, lιarc]inage and airswept mills; open- and closed-circuit grinding; dry and wet milling; contamination of products. Single ball in mill; cascading; cataracting; equilibrium surface of charge, etc. The power to drive a mill. Perfect crystals; heterogeneous boclies; crushing a single particle; scale effects; effects of impact velocity. Dirnensional analysis; rate of g1·inding. Effect of pulp consistency ση preferential grinding; influence of shape of grinding media; size distribution of grinding media: rate of flow through continuous mills. Surging; lifters; vib!'ation frequency spectrum: clestruction of geal'ing. Rose 's tlιeory of metal \vear; factors affecting ball wear; influence of coπosion. The l'ole of aclditives in milling.

Α

TR EA TI SE ΟΝ ΤΗΕ IN TE RN AL ME CH AN IC S OF

BALL, TU BE AN D R O D MILLS by Η. Ε. RO SE D.Sc .(Eng .) , Ph.D . AND

R.

Μ. Ε.

SU LLI VA N

B.Sc.(Eng .)

~ Ι'Π

1 9 5 8 CHE MIC AL PUB LIS HIN G CO., INC . 212 Fijt h Ave nue New York , Ν. Υ.

FOREWORD by PROFEssoR DR .-ING. RoBERT MELDAU

First published • 1958 Chemical Publisl1in g· Co., lnc. Νe1-ν York

Ι ι ι wi ιl1. onsidera ble pleasure that Ι write this Foreword Ι ιι 1 l ιoo k , written by Dr. Rose, d evoted to the analysis of Ι l ι1 i ι1((• ι· n al p rocesses of the family of mills which h ave

Ν . Υ.

I ι ι ι • l ι η ν ί ηg grinding media. I ) ι , I ose is well-known to the F achgruppe "Staubιι ι I Ιι ι i l