Spiral Classifier


Spiral Classifier

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  • Spiral Classifier Applications 

    1:Separation of fine particles and liquid from coarse particles 

    2:Separation of light particles from heavy particles 

    3:Separation of the particles into a number of products graded according to size 

    4:Separation of liquid from solid particles   

     


    Spiral Classifier Structure and Working Principle

    Spiral classifier is composed of transmission mechanism, (left, right) spiral water tank, lifting device, lower support, lubricating device, ore discharge valve, feed inlet, etc The water tank of this machine is installed obliquely.

    The angle of inclination is determined according to equipment configuration of equipment in the process flow. The (left, right) spirals driven by the transmission mechanism rotates in the water tank.

    The finely grained slurry enters the water bank from the feed inlet at one side and forms one slurry precipitation zone, whose surface area and volume depends on the value of the water tank’s inclination angle and the height of overflow edge. The spirals rotating at a low speed play a certain stirring role.

    After the slurry is stirred, the light and fine particles float above the surface and overflow from the overflow edge. Then they flow into the next working procedure of ore dressing. The heavy and thick particles sink into the bottom of the water tank and become return sand which is transported by the spirals to the ore discharge mouth for discharge.  If ore grinding and classification are closed loop operation, the return sand discharged from the ore discharge mouth still goes into the mill for further grinding. Classifiers normally form closed loop operation together with mill.

     

     


    Features of Gold Spiral Classifier

    A: Heavy gauge fabrication for long life

    B: Free standing, can be located adjacent to the  disposal container

    C: Flexibility will suit most grit removal systems

    D: Three-phase classification: floating solids;   settled solids; liquid

    E: Fully enclosed mechanism for safety

    F: Auto lubrication minimizes maintenance

    G: Suitable for automatic operation

     

     

    Spiral Classifier Overview

    Spiral Screw Classifier is a packaged , free standing system , for the separation of mineral grit particles from the normal collections of solids and water , discharged by grit removal systems. Spiral Classifiers are widely used in the distribution of ore in closed circuits with ball mills, grading ore and fine slit in gravity mills, grading granularity and flow of metal ore-dressing, and de-sliming and dehydrating in washing. 

  •  

    Spiral Classifier Technical Specification

     

    Model

    Spiral Diameter

     

    Length

    of pool

    Rotation

    Speed

    (r/min)

    Motor

    Power(kw)

    Dimensions(mm)

    Weight

    (t)

    Drive

    Lift

    L

    W

    H

    FG-3

    300

    3000

    12-30

    1.1

    --

    3850

    490

    1140

    0.7

    FG-5

    500

    4500

    8-12.5

    1.1

    --

    5430

    680

    1480

    1.6

    FG-7

    750

    5500

    6-10

    3

    --

    6270

    980

    1820

    2.7

    FG-10

    1000

    6500

    5-8

    5.5

    --

    7590

    1240

    2380

    4

    FC-10

    8400

    7.5

    9600

    1240

    2680

    6

    FG-12

    1200

    6500

    4-6

    7.5

    2.2

    8180

    1570

    3110

    8.5

    FC-12

    8400

    7.5

    2.2

    10370

    1540

    3920

    11

    2FG-12

    6500

    15

    4.4

    8230

    2790

    3110

    15.8

    2FC-12

    8400

    15

    4.4

    10370

    2790

    3920

    17.6

    FG-15

    1500

    8300

    4-6

    7.5

    2.2

    10410

    1880

    4080

    12.5

    FC-15

    10500

    7.5

    2.2

    12670

    1820

    4890

    16.8

    2FG-15

    8300

    15

    4.4

    10410

    3390

    4080

    22.1

    2FC-15

    10500

    15

    4.4

    12670

    3370

    4890

    30.7

    FG-20

    2000

    8400

    3.6-5.5

    11-15

    3

    10790

    2530

    4490

    20.5

    FC-20

    12900

    11-15

    3

    15610

    2530

    5340

    28.5

    2FG-20

    8400

    22-30

    6

    11000

    4600

    4490

    35.5

    2FC-20

    12900

    22-30

    6

    15760

    4600

    5640

    48.7

    FG-24

    2400

    9130

    3.67

    15

    3

    11650

    2910

    4970

    25.7

    FC-24

    14130

    18.5

    4

    16580

    2930

    7190

    41

    2FG-24

    9130

    30

    6

    12710

    5430

    5690

    45.8

    2FC-24

    14130

    37

    8

    17710

    5430

    8000

    67.9

    2FG-30

    3000

    12500

    3.2

    40

    8

    16020

    6640

    6350

    73

    2FC-30

    14300

    17091

    8680

    84.8

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