PNEUMATIC JIGGING OF FERRO ALLOYS -like the barbers cat?
PNEUMATIC JIGGING OF FERRO ALLOYS -like the barbers cat?
PD PD Scott Scott -- MintekMintek 7575
PHYSICAL SEPARATION –PRINCIPLESPHYSICAL SEPARATION PHYSICAL SEPARATION ––PRINCIPLESPRINCIPLES
PROPERTIES OF MATERIALPROPERTIES OF MATERIAL
•• PARTICLES NOT MINERALSPARTICLES NOT MINERALS
•• LIBERATIONLIBERATION
•• PARAMETERPARAMETER•• DensityDensity•• SizeSize
CHARACTERISTICS OF SEPARATORCHARACTERISTICS OF CHARACTERISTICS OF SEPARATORSEPARATOR
•• TURBULENT REMIXINGTURBULENT REMIXING
•• RESIDENCE TIMERESIDENCE TIME
•• ENTRAINMENTENTRAINMENT
GRADE VS RECOVERYGRADE VS RECOVERYGRADE VS RECOVERY
GRAVITY SEPARATION PRINCIPLESGRAVITY SEPARATION GRAVITY SEPARATION PRINCIPLESPRINCIPLES
TABLETABLETABLE
SETTLING RATESSETTLING RATESSETTLING RATES
•• LARGE > SMALL PARTICLESLARGE > SMALL PARTICLES
•• DENSITY DENSITY ––
•• SHAPESHAPE
•• SOLIDS CONCENTRATION/MEDIASOLIDS CONCENTRATION/MEDIA
DENSITYDENSITY
•• HETEROGENEITY HETEROGENEITY –– DIFFERENT CUT DIFFERENT CUT
SIZESIZE
JIG SCHEMATICJIG SCHEMATICJIG SCHEMATIC
•Float•Gate•Air Intake•Water level•Media Density
MINERAL JIGSMINERAL JIGSMINERAL JIGS
MINERAL JIGSMINERAL JIGSMINERAL JIGS
MINERAL JIGSMINERAL JIGS
JIG SIZEJIG SIZEJIG SIZE
•• CAPACITY CAPACITY –– WIDTH 60t/h = 1mWIDTH 60t/h = 1m
•• LENGTH LENGTH –– RESIDENCE TIMERESIDENCE TIME
JIG PICTUREJIG PICTUREJIG PICTURE
VALVE ANIMATIONVALVE ANIMATIONVALVE ANIMATION
BELLOWS VALVEBELLOWS VALVEBELLOWS VALVE
SCREEN GATESCREEN GATESCREEN GATE
BATCH JIGBATCH JIGBATCH JIG
JIGSCANJIGSCANJIGSCAN
•• WATER LEVELWATER LEVEL
•• PULSE VELOCITYPULSE VELOCITY
•• BED DENSITY BED DENSITY ––
NUCLEONICNUCLEONIC
•• MODEL BASED MODEL BASED
GATE CONTROLGATE CONTROL
BLOCK FLOW DIAGRAMBLOCK FLOW DIAGRAMBLOCK FLOW DIAGRAM
PLANT ANIMATIONPLANT ANIMATIONPLANT ANIMATION
PLANT ANIMATIONPLANT ANIMATIONPLANT ANIMATION
PLANT ANIMATIONPLANT ANIMATIONPLANT ANIMATION
METALLOYSMETALLOYSMETALLOYS
ZESTAFONIZESTAFONIZESTAFONI
PARTITION CURVEPARTITION CURVEPARTITION CURVE
COAL PERFORMANCECOAL PERFORMANCE
BIBLIOGRAPHYBIBLIOGRAPHY
•• Mineral and Metal Extraction Mineral and Metal Extraction --
An Overview, LC An Overview, LC WoollacottWoollacott and RH Eric.and RH Eric.
•• The APIC Jig and JIGSCAN Controller take The APIC Jig and JIGSCAN Controller take
the guesswork out of Jigging, Grantthe guesswork out of Jigging, Grant
LovedayLoveday, Andrew, Andrew JonkersJonkers
•• Atoll,Atoll, Private CommunicationsPrivate Communications