BF Flotation Machine

BF Flotation Machine

BF series flotation machine is improved from SF series but it is mainly used for iron ore and some other large proportion minerals. It imbibe the air and ore pulp spontaneously and the double-blade impeller can agitate the coarse sand at the bottom adequately.

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Description

When the impeller is revolving, the pulp in the impeller cavity can be swing out at the centrifugal force by the impeller blades and be negative pressure zone in the impeller cavity. Meanwhile, the pulp in the top of the cover can be inhaled to the impeller cavity through the circulatory hoses on the cover and then the pulp can be circulating upward. The pulp in the bottom of the impeller can be swing out and supplement to the center so it forms the circulating downward. Air is inhaled from the inhalation pipe and center pipe to impeller cavity and mix with the pulp and then arise a lot of small bubbles. The bubbles go through the cover and evenly disperse in the cells and form the mineral bubbles. Mineral bubbles float to the forth section and be scraped out to be forth product.

Features

  • 1.Impeller is composed of the dosed double section cones and it can produce strong slurry cycle downward;
  • 2.The capacity of air suction is large, the power consumption is low;
  • 3.Every tank gas three functions of air suction, slurry suction and flotation simultaneously being unique in flotation return circuit;
  • 4.The circuit change is convenient for horizontal position without need for any supplementary equipment;
  • 5.The slurry cycle is rational, the settlement of coarse sand can be reduced into full play.
  • 6.The regulation is convenient to equip auto and electro-controlling arrangements for slurry level.

Technical data

Model Effective volume (m³) L x D x H (mm) Diameter of impeller (mm) Circular velocity of impeller (m/min) Air suction amount (m³/㎡ .min) Motor power (kw) Capacity (m³/min) Weight Of single tank (kg)
BF-0.25 0.25 650x600x700 250 6 0.9-1.05 1.5 0.12-0.28 370
BF-0.37 0.37 740x740x750 286 7.2 0.9-1.05 1.5 0.2-0.4 470
BF-0.65 0.65 850x950x950 300 7.35 0.9-1.10 3 0.3-0.7 932
BF-1.2 1.2 1050x1150x1100 450 7.02 0.9-1.10 5.5 0.6-1.2 1370
BF-2.0 2 1400x1450x1120 500 7.5 0.9-1.10 7.5 1.0-2.0 1750
BF-2.8 2.8 1650x1650x1150 550 8.06 0.9-1.10 11 1.4-3.0 2130
BF-4.0 4 1900x2000x1200 650 8 0.9-1.10 15 2.4-4.0 2585
BF-6.0 6 2200x2350x1300 700 7.5 0.9-1.10 18.5 3.0-6.0 3300
BF-8.0 8 2250x2850x1400 760 7.5 0.9-1.10 22 4.0-8.0 4130
BF-10 10 2250x2850x1700 760 7.52 0.9-1.10 22 5.0-10 4500
BF-16 16 2850x3800x1700 850 8.7 0.9-1.10 37 8.0-16 8320
BF-20 20 2850x3800x2000 850 8.7 0.9-1.10 45 10.0-20 8670
BF-24 24 3150x4150x2000 920 8.7 0.9-1.10 45 12.0-24 8970

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