Attrition Scrubber - R Series
The Nesans R Series Attrition Scrubbers are designed for intensive scrubbing and surface cleaning of mineral particles, targeting the removal of tough contaminants like clay, coatings, and soft silica layers that conventional washing systems cannot eliminate. This makes the R Series an essential unit in processes such as silica sand purification, foundry sand conditioning, and mineral beneficiation where surface cleanliness is critical.
Each scrubber consists of contra-rotating paddle shafts that generate aggressive inter-particle friction and high-energy turbulence within the tank. This action breaks down bonded impurities and liberates fines without degrading the particle structure. The result is a cleaner, more refined product, perfectly suited for applications that require precise surface quality and material integrity.
To suit different capacity and process requirements, multiple scrubber cells can be connected in series, enabling longer retention times and deeper scrubbing intensity. With a focus on durability, low maintenance, and efficient performance, the Nesans R Series offers a rugged and flexible solution for advanced mineral cleaning and upgrading.
Applications:
How It Works
The Nesans R Series Attrition Scrubber operates on the principle of mechanical agitation and inter-particle scrubbing to remove surface contaminants and loosely bonded impurities. Feed slurry is introduced into the scrubber tank, where a set of contra-rotating paddle shafts vigorously mix the particles. This high-energy motion causes intense collisions between particles, effectively scrubbing off clay, coatings, and other unwanted materials from the grain surfaces.
The turbulence created inside the tank ensures uniform energy distribution, promoting efficient surface cleaning without fracturing the particles. The scrubbed slurry then flows out to the next stage of processing—typically classification, washing, or dewatering—depending on the plant setup.
For applications requiring more aggressive treatment or longer retention, multiple scrubber cells can be connected in series, allowing for staged scrubbing and increased material contact time. This modularity ensures flexibility in process design and enhances the overall cleaning efficiency, making the R Series a powerful solution for material upgrading in demanding mineral applications.
Features and Advantages
Specifications
| Model No. | Impeller Diameter (mm) | Cell Volume (m³) | Pulp Density Solids (%) | Impeller Speed (rpm) | Motor Power (Kw) | Scrubbing Time (min/cell) | Capacity (mtph) |
|---|---|---|---|---|---|---|---|
| R2 | 1016 | 1.7 | 70% - 80% | 900 | 55 | 1.2 - 1.6 | 80 - 120 |
| R3 | 1625 | 3.4 | 70% - 80% | 1800 | 55 - 110 | 1 - 1.4 | 180 - 220 |
| R6 | 1295 | 5.7 | 65% - 70% | 900 - 1800 | 55 - 110 | 1.4 - 1.7 | 200 - 220 |
| Model No. | Impeller Diameter (in) | Cell Volume (ft³) | Pulp Density Solids (%) | Impeller Speed (rpm) | Motor Power (Hp) | Scrubbing Time (min/cell) | Capacity (stph) |
|---|---|---|---|---|---|---|---|
| R2 | 40 | 60 | 70% - 80% | 900 | 75 | 1.2 - 1.6 | 88 - 132 |
| R3 | 64 | 120 | 70% - 80% | 1800 | 75 - 150 | 1 - 1.4 | 198 - 243 |
| R6 | 52 | 200 | 65% - 70% | 900 - 1800 | 75 - 150 | 1.4 - 1.7 | 220 - 243 |
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