Flotation Cells & Machines

Introduction

Flotation machines constitute the basic equipment for useful minerals recovery from non-ferrous ores and other raw materials by flotation. They can operate also as individual flotation cells.


Flotation Cells (Froth Flotation) were developed to separate and recover high-value Sulphide ores from low-grade ore bodies. The Flotation Cell is aerated to produce bubbles and agitated to keep the solids particles in suspension in the pulp. A flotation cell is an appliance in which froth flotation of ores is performed. It has provision for receiving conditioned pulp, aerating this pulp, and for separate discharge of the resulting mineralized froth and impoverished tailings.

flotation machine

Our Flotation Machines/Cells

SF Flotation Machine

sf flotation machine

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XJK Flotation Machine

xjk flotation machine

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JJF Flotation Machine

jjf flotation machine

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XCF/KYF Flotation Machine

xyf/kyf flotation machine

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Types of Flotation Machines


JXSC Machinery Factory is a professional R & D and production manufacturer of flotation cells/machines. Our froth flotation separation is sold all around the world and is popular with clients. The types of our flotation cells are main including SF, XJK, JJF, XCF, KYF flotation cells.

SF Flotation Cell

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SF flotation cell is a mechanical agitation type with slurry suction and air suction.

Capacity: 0.24～12m³/min

Structure
The structure of the SF flotation cell is mainly composed of the tank, impeller, motor, scraper and transmission device, etc.

sf flotation machine structure

 

Features

  • It can be combined with the JJF flotation cell in a combined flotation unit as a sucking tank for every operation.
  • Mechanical agitation with self-air-inflation and self-priming pulp.
  • Upper and lower recirculation in the well-defined path, sanding of coarse particles is minimized, it is advantageous for coarse ore flotation.
  • The gap between the impeller and cover plate is large with a large air inflation amount. Less energy consumption.
  • Backward double-sided blades are equipped on the impeller, which realizes the double loop of slurry in the tank.
  • Lower speed of the rotor to extend wear life.
  • Forward leaning tank with small blind angle. The foam moves fast. Beveled tank design, stable operation, and proven metallurgical design.

Working Principle

When the rotor is rotating, an internal vacuum is created both in the upper and lower blade zone. Ambient air is drawn through an air intake pipe and standpipe by the action of the upper blade, the bubbles are then micronized and make the minerals easier to stick on the bubbles. Mineral particles are collected by air bubbles forming aggregates in the contact zone, and Mineralized Bubbles aggregates rise by buoyancy towards the froth zone. The pulp from the upper tank zone is recirculated by the upper blade, while the lower blade is designed to recirculate slurry from the bottom of the tank to minimize the sanding of coarse particles.

sf flotation cell working principle

 

Technical Parameters

Model Volume（m3） Cell Size(mm) Impeller Dia.(mm) Impeller Speed(r/min) Capacity(m3/min) Power(kW) Singe cell weight(kg)
SF-0.37 0.37 700×700×750 296 386 0.2-0.4 1.5/0.55 468
SF-0.7 0.7 820×900×950 350 400 0.3-0.9 3/1.1  805
SF-1.2 1.2 1100×1100×1100 450 312 0.6-1.2 5.5/1.1 1373
SF-2.8 2.8 1700×1600×1150 550 268 1.5-3.5 11/1.5 2138
SF-4 4 1850×2050×1200 650 220 2–4 15/1.5 2582
SF-8 8 2200×2900×1400 760 191 4–8 30/1.5 4129
SF-10 10 2200×2900×1700 760 191 5–10 30/1.5 4486
SF-16 16 2850×3800×1700 760 191 5–16 30×2/1.5 8320
SF-20 20 2850×3800×2000 760 191 5–20 30×2/1.5 9829

 

XJK Flotation Cell

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XJK flotation machine suitable for separation of non-ferrous metals, ferrous metals, precious metals,non-metallic mineral, and chemical raw materials, recovering useful minerals.

Capacity: 0.18～7m³/min

xjk flotation machine

Features

  • Large inhaling capacity and low energy consumption.
  • Complete flotation circuit with inhaling air and pulp, no auxiliaries are needed.
  • The process is easy to be changed.
  • Reasonable circulation of pulp decreases coarse sand sedimentation.
  • Automatic controlling device makes adjustment more convenient.

Working Principle

The mineral pulp being added pharmacy will be passed into the gas, and the electric rotor will bring the movement of part pieces to mix and stir in order to make the mineral and gas be sufficiently mixed, and at this minute, the grain of mineral pulp is above on the bubble, floating on the surface, which can reach the purpose of sorting the mineral material through blade scrapings.

Technical Parameters

Model Volume（m3） Cell size(mm) Impeller Dia.(mm) Impeller speed(r/min) Capacity(m3/min) Power for Stir/Scraper(kw) Singe cell weight(kg)
XJK-3A 0.35 700×700×700 300 483 0.18-0.4 2.2/0.55 430
XJK-4A 0.62 820×900×850 350 400 0.3-0.9 3/1.1 755
XJK-5A 1.1 1100×1100×1000 500 330 0.6-1.6 5.5/1.1 1416
XJK-6A 2.8 1750×1600×1100 600 280 1.5-3.5 11/1.1 2113
XJK-7A 5.8 2200×2200×1200 750 240 3–7 22/1.5 3400

 

JJF Flotation Cell

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JJF flotation machine is an air self-suction mechanical stirring floatation cell without slurry suction. 

Capacity: 2～20m³/min

jjf flotation machine

Structure

jjf flotation cell structure

Features

  • Low power consumption due to small diameter and low speed of the rotor.
  • Large design clearance between the rotor and disperser resulting in minimal wear. The stator is a cylinder with an oval hole, which is conducive to the mixture and dispersion of air and pulp.
  • The height of the stator is rather lower than the impellers. The pulp circulation amount is large(up to 2.5 times), which is conducive to the mineralization of ore, reagent and air, also good circulating of pulp and mixing of pulp with air.
  • The umbrella-shaped perforated dispersion cover of the stator can block off the foam layer from the vortex by the impeller, to keep the stabilization of the pulp surface.
  • Large air inflation amount, good dispersion effect.
  • Shorter froth travel distance for improved coarse particle recovery.
  • A beveled tank bottom for coarse particle suspension.
  • Large processible granularity range and high recovery rate.
  • The rotor is well above the tank bottom, eliminating contact with abrasive, oversized tramp material.
  • Mechanical agitation. Self-air-inflation without self-priming pulp.
  • It can be combined with SF flotation cell in combined flotation unit, with SF flotation cell as a slurry suction tank and JJF flotation cell as the straight tank.

Working Principle

When the JJF mechanical agitation flotation machine is working, the rotor creates a fluid vortex inside the standpipe and the draft tube, and causes a sufficient vacuum area to induce air into the standpipe through the air inlet duct. The induced air is mixed with pulp between the impeller and stator. The mixture of air and pulp will have a tangential movement as a result of the impeller. But when the Mineralized Bubbles pass through the pores on the stator, they change to a radial motion until they bump into the Disperser and be separated evenly. When the Mineralized Bubbles rise up to the froth zone, the scraper revolves to discharge the products.

jjf flotation cell working principle

Technical Parameters

Model Volume（m3） Cell size(mm) Impeller Dia.(mm) Impeller speed(r/min) Capacity(m3/min) Power for Stir/Scraper(kw) Singe cell weight(kg)
JJF-1 1 1100*1100*1000 280   0.3-1 5.5/1.5  
JJF-2 2 1400*1400*1150 280   0.5-2 7.5/1.5  
JJF-3 3 1500*1850*1200 350   1-3 11/1.5  
JJF-4 5 1600*2150*1250 410 305 2.0-4 11/1.5 2303
JJF-5 5 1600*2150*1550 410 305 2.0-6 11/1.5 2416
JJF-8 8 2200*2900*1400 540 233 4.0-12 22/2.2 4507
JJF-10 10 2200*2900*1700 540 233 5.0-10 22/1.5 4820
JJF-16 16 2850*3800*1700 700 180 5.0-16 37/1.5 7657
JJF-20 20 2850*3800*2000 770 180 5.0-20 45/1.5 8505

 

XCF/KYF Flotation Cell

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XCF flotation machine is an air inflation mechanical agitation flotation cell with slurry suction. 

KYF flotation machine is an air-inflation mechanical agitation flotation cell without slurry suction.

Capacity: 0.2～38m³/min

xyf/kyf flotation machine

Structure

XCF/KYF flotation machine is composed of a tank, large isolation plate impeller with top and bottom blades, seat stator radial blade, split disc cover, split center tube, connecting tube with air-bleed hole, bearing body, hollow main shaft, and the air adjustable valve.

Features

  • Simple structure and strong stirring capacity.
  • The air is evenly dispersed. Air and slurry combination is fine.
  • Fewer tailings deposits, low peripheral speed, and low energy consumption.
  • Light wear of quick-wear part with a long working life.
  • Mechanical agitation, without self-air-inflation and self-priming pulp. The ladder configuration between the workroom is essential.
  • The structure features of XCF flotation cell are similar with KYF flotation cell. The difference is that a stator is specially provided above the impeller to form a special negative pressure zone, self-priming pulp.
  • KYF and XCE flotation cells can be combined use.

Working Principle

When the flotation machine is at work, the rotation of impeller makes the slurry all-around via tank bottom absorbed from the downside of impelled into inner-vanes of the impeller, where low-pressure air is produced by the blower goes into via hollow shaft and the air distributor of impeller chamber at the same time. After a full mixture of the slurry and air among vanes, they are pushed out in the inclined upward direction from the upper half of the impeller around, and go into the tank via steady f\ow and orientation by the stator. Air bubbles rise to the foam stability area, and after the concentration process, the froths overflow from the overflow weir into the froth tank. Another part of the slurry flows toward the lower part of the impeller, then through the impeller agitation, they are mixed together to form mineral-laden bubbles again, and the rest of the slurry will flow to the next tank to become tailings eventually.

 

Model Volume
 (m3)		 Capacity
 (m3/min)		 Impeller
 Diameter
 (mm)		 Impeller
 Speed
 (r/min)		 Power(kW) Singe Cell Weight
 (kg)
          For Stirring For Scraper  
XCF-1 1 0.2 -1 400 358 5.5 1.1 1154
XCF-2 2 0.4 -2 470 331 7.5   1659
XCF-3 3 0.6 -3 540 266 11 1.5 2259
XCF-4 4 1.2 -4 620 215 15   2669
XCF-8 8 3.0 -8 720 185 22   3958
XCF-16 16 4-16 860 160 37   6520
XCF-20 20 5-10 910 155 45   9200
XCF-24 24 4-24 950 153 55   9660
XCF-30 30 7-15 1000 141 55   14810
XCF-38 38 10 -38 1050 136 55   17000
XCF-40 40 10-38 1050 138 75   17500
XCF-50 50 10-25 1120 110 90   22000
XCF-70 70 13-50 1200 103 90   26200

 

Model Volume
 (m3)		 Capacity
 (m3/min)		 Impeller
 Diameter
 (mm)		 Impeller
 Speed
 (r/min)		 Power(kW) Singe Cell Weight
 (kg)
For Stirring For Scraper
KYF-1 1 0.2-1 340 281 4 1.1 826
KYF-2 2 0.4-2 410 247 5.5 1419
KYF-3 3 0.6-3 480 219 7.5 1.5 1885
KYF-4 4 1.2-4 550 200 11 2206
KYF-8 8 3.0-8 630 175 15 3600
KYF-16 16 4.0-16 740 160 30 5900
KYF-20 20 5-20 780 155 37 8240
KYF-24 24 4.0-24 800 150 37 8540
KYF-30 30 7-30 900 141 45 13820
KYF-38 38 10-38 880 139 45 16500
KYF-40 40 10-38 950 138 55 17000
KYF-50 50 10-40 1030 120 75 22000
KYF-70 70 13-50 1120 110 90 26200

 

 

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