Hydrocyclone

Hydrocyclone has been extensively used for closed circuit grinding and classification system , thickening, desliming, dewatering , tailings filling, damming, recovery processes in ferrous, nonferrous metal and nonmetal mine industries, and is deeply popular with customers due to high classification efficiency, simple structure, large throughput, and small occupied area. A hydrocyclone by an upper hollow cylinder, the lower portion of a cylinder in communication with an inverted cone, the composition of both the hydrocyclone working cylinder. In addition, there is a hydrocyclone to mine management, overflow pipe, overflow pipe and grit mouth. Used sand pump hydrocyclone (or height) to a certain pressure (typically 0.5 to 2.5 kg / cm) and flow rate (approximately 5 to 12 m / sec) the pulp in a tangential direction is screwed into the cylinder, and then the slurry will be in a very fast along the centrifugal force generated by the rotating cylinder wall. By the action of centrifugal force and gravity, the coarse, heavy mineral particles thrown. Hydrocyclone mainly used in the mineral processing industry grading, sorting, concentration and off the mud. When used as a hydrocyclone grading equipment, mainly used to compose and mill grinding and classification systems; when used as a mud off equipment can be used for re-election plant off the mud; used as a dewatering device, can be used to beneficiation tailings after concentrating sent filling underground mining tunnels. Hydrocyclone no moving parts, simple structure; greater production capacity per unit volume, accounting for a small area; high grade efficiency (up to 80% -90%), fine grading granularity; low cost, less material consumption. Suspension at high speed from the feed pipe tangentially into the hydrocyclone, due to restrictions of the outer cylinder wall, forcing the liquid rotary motion from top to bottom, this movement is typically referred to as the outer cyclone or fall swirling motion. Outer swirl solid particles by centrifugal force, if a greater density than the surrounding liquid (which is in most cases), which suffered greater the centrifugal force, once the force is greater than the fluid resistance generated due to the motion of the solid particles are will overcome the resistance to movement direction of the wall, separated from the suspension, reaches near the wall of the liquid particles are subjected to a continuous push, the downward movement along the wall, reaches the vicinity of the underflow orifice aggregates become greatly thickened suspension from underflow discharge port. Liquid separation after purification (of course, there are some fine particles) is rotated downward movement continues, after entering the conical section, because the inner diameter hydrocyclone gradually reduced, the rotational speed of liquid. Since the liquid to create a swirling motion in the radial direction when the uneven pressure distribution, the smaller the closer to the axis at the axis while approaching zero, or a low pressure zone is a vacuum region, resulting in the liquid tends to move in the axial direction. Meanwhile, since the hydrocyclone underflow orifice greatly reduced, the liquid can not be quickly discharged from the underflow opening, and the center of the vortex chamber cover overflow port, due to the low pressure region in a portion of the liquid leaving its movement, thus forming the upward rotational movement , and is discharged from the overflow port.

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  • 1. Simple structure and there is no moving parts.
  • 2. High capacity and high classifying efficient.
  • 3. Easy to disassembly and easy to maintain.
  • 4. Low investment cost and taking little space.
Diameter(mm) Feed opening(mm) Overflow outlet(mm) Flow-down opening Tapper Cone(mm) Cyclinder height (mm) Handling capacity(m³/h)
GXX100 30×5 14 11 20 275 60 1.5-9
30×7 15
30×10 26
GXX125 25×10 50 15-30 20 225 110 2.4-15
GXX150 40×8 20 15 20 326 100 4.8-54
40×10 30
40×2 40
GXX250 50×20 125 35 20 595 170 6.5-61.2
GXX300 75 125 50 20 800 200 24-60

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