The SF Flotation Machine produced by Zhengzhou Zhenggang Machinery Co., Ltd. is a self-suction mechanical agitation flotation machine used for separating non-ferrous metals, ferrous metals, and non-metallic minerals. It is suitable for flotation separation of copper, lead, zinc, nickel, molybdenum, iron, manganese, fluorite, talc, coal, phosphate, and other valuable minerals in ore beneficiation plants.
This SF flotation cell integrates pulp self-suction and air self-suction in one machine, eliminating the need for additional air compressors or slurry pumps in many flotation layouts. During operation, the impeller rotates to draw air and pulp into the tank, disperse air into fine bubbles, and create strong slurry circulation. Mineral particles attach to bubbles and rise to the surface to form mineralized froth, which is removed by the froth scraper as concentrate, while tailings are discharged from the lower section. With strong aeration, large circulation volume, efficient bubble dispersion, compact structure, low power consumption, and durable wear-resistant components, the SF Flotation Machine is suitable for roughing, scavenging, cleaning, and multi-cell flotation separation systems.
The SF flotation machine automatically draws both air and pulp, reducing the need for auxiliary air compressors or slurry pumps and simplifying flotation plant layout.
The special impeller and stator design disperses air into fine bubbles, improving mineral-bubble contact and enhancing flotation recovery.
Strong slurry circulation increases the contact probability between mineral particles and bubbles, supporting better concentrate grade and recovery rate.
Efficient mixing, stable froth formation, and continuous concentrate scraping make the machine suitable for roughing, cleaning, and scavenging flotation stages.
The compact mechanical structure, adjustable air and pulp levels, and accessible components make operation, inspection, and maintenance convenient.
The impeller, stator, and tank lining can use wear-resistant rubber or stainless steel materials to support long service life in abrasive mineral slurry conditions.
Used in copper ore beneficiation lines for separating copper minerals from gangue through roughing, cleaning, and scavenging flotation processes.
Suitable for lead-zinc ore separation and polymetallic sulfide mineral flotation where stable aeration and strong pulp circulation are required.
Applied in nickel ore, molybdenum ore, and valuable metal recovery systems to improve mineral separation efficiency and concentrate quality.
Used for flotation processing of iron, manganese, and other ferrous minerals in beneficiation plants and metallurgical mineral processing lines.
Suitable for non-metallic mineral flotation, including fluorite flotation, talc separation, coal flotation, phosphate processing, and chemical mineral recovery.
Ideal for complete flotation circuits where multiple SF flotation cells are arranged in series to improve recovery rate, concentrate grade, and tailings control.
| Product Name | SF Flotation Machine |
| Equipment Type | Self-suction mechanical agitation flotation machine |
| Category | Flotation Equipment |
| Tank Volume | 0.37–20 m³ |
| Capacity Range | 0.2–20 m³/min |
| Motor Power | 1.5–55 kW |
| Impeller Diameter | 300–1100 mm |
| Impeller Speed | 191–483 r/min |
| Air Intake | 0.9 m³/m²·min |
| Flotation Type | Air self-suction + pulp self-suction + mechanical agitation |
| Main Function | Mineral flotation, roughing, cleaning, scavenging |
| Main Components | Tank body, impeller, stator, air suction system, pulp circulation system, froth scraper, transmission device |
| Applicable Materials | Copper, lead, zinc, nickel, molybdenum, iron, manganese, fluorite, talc, coal, phosphate, non-metallic minerals |
| Application Industries | Mining beneficiation, metallurgy, coal processing, chemical industry, non-ferrous metal processing, ferrous metal processing, non-metallic mineral processing |
| Model | Tank Volume (m³) | Impeller Diameter (mm) | Impeller Speed (r/min) | Capacity (m³/min) | Air Intake (m³/m²·min) | Motor Power (kW) | Tank Dimensions (mm) |
|---|---|---|---|---|---|---|---|
| SF-0.37 | 0.37 | 300 | 483 | 0.2–0.4 | 0.9 | 1.5 | 700×700 |
| SF-0.7 | 0.7 | 350 | 427 | 0.3–0.7 | 0.9 | 3 | 850×850 |
| SF-1.2 | 1.2 | 450 | 331 | 0.6–1.2 | 0.9 | 5.5 | 1100×1100 |
| SF-2.8 | 2.8 | 550 | 268 | 1.5–3.0 | 0.9 | 11 | 1500×1500 |
| SF-4 | 4.0 | 650 | 220 | 2.0–4.0 | 0.9 | 15 | 1700×1700 |
| SF-8 | 8.0 | 750 | 191 | 4.0–8.0 | 0.9 | 30 | 2100×2100 |
| SF-10 | 10.0 | 850 | 191 | 5.0–10.0 | 0.9 | 37 | 2200×2200 |
| SF-16 | 16.0 | 950 | 191 | 8.0–16.0 | 0.9 | 45 | 2400×2400 |
| SF-20 | 20.0 | 1100 | 191 | 10–20 | 0.9 | 55 | 2500×2500 |
Get detailed flow diagrams, equipment specifications, and design guidelines
The SF Flotation Machine is used for flotation separation of copper, lead, zinc, nickel, molybdenum, iron, manganese, fluorite, talc, coal, phosphate, and other metallic or non-metallic minerals.
Lead-Zinc Beneficiation Plant • Serbia
The SF Flotation Machine works efficiently in our lead-zinc flotation circuit. Its self-suction design simplified the process layout, while the strong aeration and stable pulp circulation helped improve concentrate recovery and daily flotation performance.
Genuine OEM wear parts and consumables designed specifically for Zhenggang equipment — ensuring maximum uptime and consistent performance.
We supply genuine OEM spare parts for all Zhenggang equipment models. Contact our parts team for custom specifications, bulk pricing, and fast delivery worldwide.
