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Help Center36、flotation Cell for Refractory Gold Ore
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Product Introduction Flotation cell for refractory gold ore
A flotation cell for refractory gold ore is a specialized mineral processing unit engineered to recover gold that is locked within the crystalline structures of sulfide minerals, such as pyrite, arsenopyrite, or stibnite. Because refractory gold cannot be efficiently extracted through direct cyanidation or standard gravity methods, these flotation cells are designed with enhanced chemical conditioning and high-shear aeration to aggressively capture and concentrate the gold-bearing sulfide carriers.
Application Flotation cell for refractory gold ore
Refractory gold deposits require intensive pre-concentration before the gold can be chemically liberated. This equipment is essential for the following typical processing routes: Double-Refractory Ores: Processing ores where gold is not only locked in sulfides but also associated with active carbonaceous matter. The flotation cell isolates the gold-bearing sulfides while suppressing the carbon to prevent "preg-robbing" during downstream leaching. Arsenopyrite-Rich Gold Ores: Deployed in circuits treating toxic or complex arsenic-bearing gold ores, producing a clean sulfide concentrate that is subsequently routed to autoclaves (pressure oxidation), roasting facilities, or bio-leaching tanks. Ultra-Fine Disseminated Gold: Used when gold particles are sub-microscopic (invisible gold) and completely enclosed within the host sulfide matrix, requiring a highly selective flotation environment to maximize mass pull without diluting the concentrate grade.
Working Principle Flotation cell for refractory gold ore
The cell operates by optimizing bubble-to-particle collision kinetics to collect difficult-to-float, finely disseminated refractory sulfide minerals. Intensive Conditioning: The finely ground ore slurry undergoes intensive conditioning with specialized activators (such as copper sulfate or lead nitrate) and collectors to overcome surface oxidation and make the refractory sulfide surfaces highly hydrophobic. High-Shear Aeration: Inside the flotation cell, a heavy-duty rotor-stator mechanism creates high-shear zones that break injected air into ultra-fine micro-bubbles. These smaller bubbles are critical because they match the fine particle size distribution typical of ground refractory ores, maximizing the probability of bubble-particle attachment. Froth Stabilization and Extraction: The gold-bearing sulfides attach to the micro-bubbles and rise to the surface, creating a tight, stable froth bed. Automated level controls manage the froth depth, allowing the gold-rich sulfides to overflow into the launders while the barren silicates and un-associated gangue are discharged as tailings.
Advantages Flotation cell for refractory gold ore
Maximum Pre-Concentration Efficiency: By recovering up to 95% of the gold-bearing sulfides into a low-volume concentrate, the system reduces the volumetric capacity required for expensive downstream oxidation equipment by up to 90%. Overcoming Surface Passivation: The cell's advanced hydrodynamic design and high-energy agitation strip away surface oxidation layers from the minerals, allowing collectors to bond effectively and preventing target sulfides from slipping into the tailings. Precise Air and Pulp Control: Equipped with sensitive automated dart valves and variable-speed drives, the system allows operators to fine-tune the retention time and froth skimming speed,
Technical Specifications
Category |
Model |
Effective Volume |
Capacity |
Impeller |
Impeller RPM Motor Power |
(kW)-Agitating |
Motor Power |
Single Weight (t) |
XJK type |
XJK-0.35 |
0.35 |
0.18-0.4 |
300 |
480 |
1.5 |
0.75 |
0.6 |
XJK-0.62 |
0.3-0.9 |
350 |
400 |
3 |
1.1 |
0.9 |
||
XJK-1.1 |
0.6-1.6 |
500 |
330 |
5.5 |
1.1 |
1.3 |
||
XJK-2.8 |
1.5-3.5 |
600 |
280 |
11 |
1.5 |
2.5 |
||
XJK-5.8 |
5.8 |
5-7 |
750 |
240 |
15 |
1.5 |
3.6 |
|
SF type Flotation |
SF-0.37 |
0.37 |
0.2-0.4 |
300 |
352-442 |
1.5 |
0.55 |
0.5 |
SF-0.65 |
0.65 |
0.3-1.0 |
350 |
336 |
3 |
1.1 |
1 |
|
SF-1.2 |
1.2 |
0.6-1.6 |
450 |
298 |
5.5 |
1.1 |
1.5 |
|
SF-2.8 |
2.8 |
1.5-3.5 |
550 |
268 |
11 |
1.5 |
2.3 |
|
SF-4 |
4 |
2-4 |
650 |
237 |
15 |
2.2 |
2.8 |
|
SF-8 |
8 |
4-8 |
760 |
191 |
30 |
2.2 |
4.3 |
|
SF-10 |
10 |
5-10 |
760 |
191 |
30 |
3 |
4.6 |
|
SF-16 |
16 |
6-16 |
850 |
180 |
45 |
3 |
7.8 |
|
SF-20 |
20 |
8-20 |
730 |
186 |
55 |
3 |
9.8 |
|
| JJF type Flotation machine | JJF-2 |
2 |
1-3 |
370 |
400 |
11 |
1.1 |
1.9 |
JJF-4 |
4 |
2-4 |
410 |
305 |
15 |
1.5 |
2.3 |
|
JJF-8 |
8 |
4-8 |
540 |
233 |
22 |
2.2 |
4.5 |
|
JJF-10 |
10 |
5-10 |
540 |
233 |
22 |
2.2 |
4.9 |
|
JJF-16 |
16 |
5-16 |
700 |
180 |
37 |
2.2 |
8.2 |
|
JJF-20 |
20 |
5-20 |
730 |
180 |
37 |
2.2 |
10.5 |
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