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25 Mining Machines Working Principle GIF Photo

Published time:08 January 2020

In mining operations, mineral processing, and sand/aggregate production, mechanical equipment plays an indispensable role. However, for beginners or non-experts, grasping complex machinery principles can be challenging.

Animated GIFs vividly demonstrate mechanical operations, making them far more intuitive than static images or text descriptions. This article compiles 25 mining machinery working principle GIFs, covering crushing, screening, grinding, sorting, conveying, and washing processes, helping you quickly master the core mechanisms of essential equipment.

Crushing Equipment

1. Jaw Crusher

 

  • GIF Demonstration: Movable jaw plate periodically compresses material for crushing.
  • Principle: The motor drives an eccentric shaft, causing the movable jaw to reciprocate and crush ore.
  • Application: Primary crushing of hard rocks (e.g., granite, basalt).
  • Features: Simple structure, easy maintenance, but prone to wear.
jaw crusher
cone crusher

2. Cone Crusher

 

    • GIF Demonstration: The crushing cone rotates eccentrically to compress material layer-by-layer.
    • Principle: The ore is repeatedly squeezed between the mantle and concave.
    • Application: Medium-to-fine crushing of hard ores (e.g., iron ore, copper ore).
    • Features: High efficiency, uniform particle size output.

3. Impact Crusher (Horizontal Shaft Impactor)

 

  • GIF Demonstration: High-speed rotor throws material against impact plates for crushing.
  • Principle: Crushing relies on impact energy rather than compression.
  • Application: Medium-to-low hardness materials (e.g., limestone, coal).
  • Features: Excellent particle shape, ideal for sand-making.
impact crusher
hammer crusher

4. Hammer Crusher

 

  • GIF Demonstration: Rotating hammers strike material at high speed against breaker plates.
  • Principle: Impact crushing by high-speed rotating hammers and material collisions.
  • Application: Medium-hard materials (coal, limestone, gypsum).
  • Features: High reduction ratio, simple structure, but hammer wear requires frequent replacement.

5. Roll Crusher (Double Roll Crusher)

 

  • GIF Demonstration: Two counter-rotating rolls compress and crush material.
  • Principle: Compression crushing between two rotating rolls.
  • Application: Medium-hard to soft materials (clay, coal, soft rock).
  • Features: Produces uniform particle size, low dust generation.
roller crusher
vertical crusher

6. Vertical Shaft Impact Crusher (VSI Crusher)

 

  • GIF Demonstration: Material is accelerated and crushed by high-speed rotor impacts.
  • Principle: “Rock-on-rock” and “rock-on-iron” crushing through velocity.
  • Application: Artificial sand production, shaping aggregates.
  • Features: Excellent cubic product shape, adjustable gradation.

Grinding & Sand-Making Equipment

7. Ball Mill

 

  • GIF Demonstration: Rotating drum tumbles steel balls and material for impact grinding.
  • Principle: Uses steel balls’ free-fall impact and rolling friction.
  • Application: Metal ore, cement, chemical industries.
  • Features: Effective for fine grinding, but energy-intensive.
ball mill
Raymond mill

8. Raymond Mill (Pendulum Roller Mill)

 

  • GIF Demonstration: Rollers press and rotate against a grinding ring to pulverize material.
  • Principle: Relies on roller-ring compression and friction.
  • Application: Non-metallic minerals (e.g., limestone, calcite).
  • Features: Adjustable fineness, energy-efficient.

9. Sand Making Machine (VSI Crusher Applications)

 

  • GIF Demonstration: High-speed rotor ejects material into crushing chamber for particle-on-particle attrition.
  • Principle:
    • Centrifugal acceleration throws feed material against rock-lined walls
    • Fractures along natural grain boundaries for cubical shaping
  • Key Features:
    • Adjustable rotor speed (45-90 m/s tip velocity) for gradation control
    • Cascade feeding optimizes throughput
    • Rock shelf/wear plates extend service life
sand making machine

Screening & Conveying Equipment

vibrating screen

10. Vibrating Screen

 

  • GIF Demonstration: Eccentric motor shakes the screen frame to sort materials by size.
  • Principle: Uses vibration to separate particles into different layers.
  • Application: Sand, coal, iron ore, etc.
  • Features: High screening efficiency but susceptible to clogging.

11. Multi-Deck Vibrating Screen

 

GIF Demonstration:

  • Tiered screening decks with progressively finer mesh sizes
  • Elliptical vibration pattern for material stratification
Optimization Tips:
  • Banana Screens: Variable deck angles improve stratification
  • Polyurethane Panels: 3x lifespan vs. steel mesh in abrasive apps
  • Air-spring Isolation: Reduces structural vibration by 60%
Multilayer vibrating screen
bucket elevator

12. Bucket Elevator (Centrifugal Discharge)

 

GIF Breakdown:

  • Cascading material discharge at >70% of rotor RPM
  • Deep vs. shallow bucket tradeoffs:
Bucket Type Capacity Recommended Material
AA (Deep) High Free-flowing aggregates
M (Medium) Balanced Moist coal/clay mix
SC (Shallow) Precision Fragile minerals

Failure Prevention:

  • Belt Stretch Alarm: Laser tracking detects >2% elongation
  • Explosion Venting: Required for grain/dust applications

13. Vibrating Feeder (Grizzly Feeder)

 

GIF Demonstration:

  • Elliptical/linear motion with adjustable stroke
  • Grizzly bars for scalping oversize material
  • Engineering Parameters:
    Tuned Springs: Natural frequency matched to exciter (±5% tolerance)
  • Stroke Control: 0-10 mm adjustable via counterweight configuration
  • Heat-Treated Pan: Boron steel lining for 50,000+ MT abrasive wear life
vibratory feeder
belt conveyor

14. Heavy-Duty Belt Conveyor

 

GIF Explanation:

  • Chevron-pattern belts for steep inclines (up to 30°)
  • Impact beds protect belts at loading zones

Critical Components:

  • Tensile Core: Steel cord vs. polyester weave selection guide

Smart Monitoring:

  • RFID embedded in belt plies
  • Real-time tear detection systems

Sorting & Washing Equipment

15. Froth Flotation

 

GIF Explanation:

  • Agitator aerates pulp (power: 2.2-110kW)
  • Froth column carries hydrophobic particles

Chemistry Control:

  • pH range: 5.5-11.5
  • Reagent dosing accuracy: ±0.5mL/min
froth flotation
magnetic separator

16. Magnetic Separator

 

GIF Demonstration: Iron-bearing minerals are attracted under the influence of the magnetic field, while non-magnetic materials pass through.

Working Principle:

  • Permanent/Electromagnetic Separation: Adjustable magnetic field strength (0.1T–2T)
  • Dry/Wet Separation: Suitable for ore sized up to 300mm or slurry with a concentration of ≤35%

17. Jig Machine

 

GIF Demonstration: Pulsating water stratifies ore by density (20-120 strokes/min).

Critical Parameters:

  • Stroke: 0-50 mm adjustable
  • Bed thickness: 300-800 mm
jigging machine
shaking table

18. Shaking Table

 

GIF Demonstration: Laminar flow separates <2 mm particles on the riffled deck.

Adjustments:

  • Slope: 2-5°
  • Stroke frequency: 240-330 RPM

19. Ore Washer (Log Washer)

 

GIF Breakdown: Counter-rotating shafts with paddles scrub material (45-75 RPM).

Wear Data:

Manganese paddles last 6-12 months in quartz operation

ore washer
Roller Washing Machine

20. Roller Washing Machine

 

GIF Demonstration:

Wheel dredges slurry while screw classifies (water consumption: 50-150m³/h).

Innovation:

Overflow weir auto-positioning

 

21. Hydrocyclone

 

GIF Principle:

  • 15-30m/s tangential inlet creates a vortex
  • D50 cut point: 10-300 microns

Wear Alert:
Conical section replacement at 0.5mm wall thinning

hydrocyclone
double-screw washer

22. Double-screw Washer

 

GIF Function:

  • Coarse & fine screws in a single tank
  • Overflow fines recovery rate: 95%

Auxiliary Equipment

23. Suspension Iron Remover

 

GIF Demonstration: Ferrous materials levitate and eject from conveyor stream under magnetic field.
Principle: Electromagnetic/perm magnet separation at 0.5- 1.2 T intensity.
Key Specs:

  • 300-3000 mm belt width capacity
  • Self-cleaning scraper system
iron remover working principle
rotary drum dryer

24. Rotary Drum Dryer

 

GIF Process:

  • 3° slope rotation at 3-8 RPM
  • Gas temp profile: 300°C→80°C at discharge

25. Rock Crushing Plant

 

GIF Workflow:

Grizzly feeder scalp → Jaw crusher (primary)
Cone crusher (secondary) → VSI shaping
Multi-deck screen → Closed-circuit return

Smart Control:

Camera-based chunk detection auto-adjusts CSS

rock crushing plant

Conclusion & Key Takeaways

These 25 animated demonstrations have decoded the core operational principles of mining machinery through dynamic visualizations. Selecting optimal equipment requires a three-dimensional evaluation matrix:

1. Material Parameters

  • Abrasiveness index (Ai)
  • Bulk density (1.2-3.2 t/m³)
  • Moisture content thresholds

2. System Requirements

  • Upstream/downstream process compatibility
  • Peak vs. sustained throughput demands
  • Volumetric footprint constraints

3. Economic Factors

  • kW·h/ton energy efficiency benchmarks
  • Wear part replacement cycles
  • Automation level vs. labor costs
  • Professional Engagement

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