Successfully reported this slideshow.
We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. You can change your ad preferences anytime.
By : Ali mehri
Supervisor : Dr. Karimi
 Introduction
 Bench Scale & pilot plant Tests
 Shaking table
 Jig
 Heavy media separation
 Dense medium cyclone (D....
3
Basis of
G.S
methods
:
4
5
Feed
Reaching
Different Degree
of Liberation
Coarse
Particles
Rod Mill Open
Circuit
Ball Mill
Closed
Circuit
Size
decrea...
6
Desliming
Usually Hydro
Cyclone
Gravity
Methods
Other
Classifiers
Cones
Jigs
Spirals
Old Factories
in the Hills
(Height
...
7
Material in the Feed, Close to the
Density of Separation
Particle Size
Throughput of the
Plant
8
DesignParameters
Related to Device
Table
Characteristics
Frequency and Amplitude of
Oscillations
Shape of Obstacles
Rela...
Design Parameter
9
Jig Flow Rate
(Water Quantity)
10
DesignParameters
Related to
Device
Tilt of Cyclone
Number of Cyclones
Pressure Drop
Diagonal of
Openings
Related to
Fee...
11
to Settle
Particles
Sufficient
Time
Porous
Materials
Centrifuging
Appropriate
Fraction
1. E. 1. PRYORA.R.S.M, D.Se., D.I.C., M.I.M.M;1965; MINERAL PROCESSING.
2. Maurice C. Fuerstenau, Kenneth N. Han; 2009; Pr...
Upcoming SlideShare
Loading in …5
×

presentation4

67 views

Published on

this presentation is about types of gravity separation.

Published in: Engineering
  • Login to see the comments

  • Be the first to like this

presentation4

  1. 1. By : Ali mehri Supervisor : Dr. Karimi
  2. 2.  Introduction  Bench Scale & pilot plant Tests  Shaking table  Jig  Heavy media separation  Dense medium cyclone (D.M.C)  Heavy liquid  References 2
  3. 3. 3 Basis of G.S methods :
  4. 4. 4
  5. 5. 5 Feed Reaching Different Degree of Liberation Coarse Particles Rod Mill Open Circuit Ball Mill Closed Circuit Size decreases Screen Instead of Hydro Cyclone Slimes(fine particles) Viscosity increases Accuracy of separation decreases
  6. 6. 6 Desliming Usually Hydro Cyclone Gravity Methods Other Classifiers Cones Jigs Spirals Old Factories in the Hills (Height Difference) Pulp Transmission Natural Movement (Weight) Less energy Less slimes Limited speed
  7. 7. 7 Material in the Feed, Close to the Density of Separation Particle Size Throughput of the Plant
  8. 8. 8 DesignParameters Related to Device Table Characteristics Frequency and Amplitude of Oscillations Shape of Obstacles Related to Feed Size Distribution Pulp Characteristics Main Parameters Tilt of Table Pulp Solid Content Flow Rate (Water Quantity)
  9. 9. Design Parameter 9 Jig Flow Rate (Water Quantity)
  10. 10. 10 DesignParameters Related to Device Tilt of Cyclone Number of Cyclones Pressure Drop Diagonal of Openings Related to Feed Inlet Feed Pressure Medium / feed Main Parameters Tilt of Cyclone Inlet Feed Pressure Medium / Feed
  11. 11. 11 to Settle Particles Sufficient Time Porous Materials Centrifuging Appropriate Fraction
  12. 12. 1. E. 1. PRYORA.R.S.M, D.Se., D.I.C., M.I.M.M;1965; MINERAL PROCESSING. 2. Maurice C. Fuerstenau, Kenneth N. Han; 2009; Principles of Mineral Processing 3. Tim Napier and Barry A. Wills; 2006; ''Mineral Processing Technology'', pp. 248-249. 4. J.A. Folinsbee, B. Hewitt; 1997; Gravity Concentration at Campbell Mine. 5. R.Q. Honaker, W.R Forerest; 2003; Advances in Gravity Concentration. 6. A.K. Mukherjee, R. Sripriya, P.V.T. Rao, P. Das 2003,''Effect of increase in feed inlet pressure on feed rate of dense media cyclone'', pp. 259-260 .7‫ام؛‬‫ر‬‫به‬،‫ضايي‬‫ر‬1377‫؛‬"‫معدنی‬ ‫مواد‬‫ي‬‫ر‬‫آو‬‫ر‬‫ف‬ ‫ي‬‫ژ‬‫تكنولو‬(‫ثقلي‬‫ي‬‫ساز‬‫ر‬‫پرعيا‬")‫هرمزگان‬‫دانشگاه‬،‫ل‬‫او‬‫چاپ‬،. .8‫حسين؛‬ ،‫اللهي‬‫نعمت‬1381‫؛‬"‫ايي‬‫ر‬‫آ‬‫كانه‬"‫ل‬‫او‬‫جلد‬،‫ان‬‫ر‬‫ته‬ ‫دانشگاه‬‫ات‬‫ر‬‫انتشا‬،‫سوم‬‫چاپ‬،. 12

×