The spiral classifier is a multi-functional classifier machine, in the mineral processing plant, it can separate different particles from processed ore. The machine has the characteristics of a simple structure, reliable operation, and convenience.
The spiral classifier can form a closed loop with the ball mill in the beneficiation production line to control the particle size of the material, separate ore sand and fine mud in the gravity beneficiation plant, carry out particle size classification of the ore pulp in the metal beneficiation process, and perform desliming and dehydration in the ore washing operation.
The metal beneficiation process includes gravity concentration and ore washing of the materials such as quartz, gold ore, iron ore, copper ore, zinc ore, ore pulp, fine mud, cement clinker, magnetite, etc.
They are widely used to separate ore sands by forming a closed-circuit with the ball mill in concentrators, or gravity concentrators to classify ores and fine muds.
The spiral classifier needs to be soaked in the pulp for a long time, so it is easy to wear. Our company adopts thickened wear-resistant plates, which can reduce wear, prolong service life and reduce maintenance costs.
The spiral classifier has a high degree of automation, convenient operation, safety and reliability, and adopts frequency conversion control technology, which ensures stable operation, and its simple structure makes it easy to replace spare parts.
The spiral classifier is often combined with the ball mill and other beneficiation equipment to form a closed-circuit or open-circuit system, with a maximum output of 400tph, suitable for use in large and medium-sized beneficiation production lines.
The spiral classifier improves the beneficiation efficiency, and the washed sewage can be recycled and used in other places to achieve the purpose of water saving.
The spiral classifier is mainly composed of a motor, a spiral blade, a spiral shaft, a tank body, a lifting mechanism, and a high wear-resistant liner.
The spiral classifier filters according to the gravity and falling speed of different particles. The fine particles floating in the water will be discharged from the upper part, and the coarse particles will sink to the bottom of the tank, and then the spiral blades will rotate the coarse particles to the feeding part to continue processing until reaching the ideal granularity.
| Model | Spiral diameter(mm) | Speed of Spiral(r/min) | Power (kw) | Slope (°) | Power(KW) | |
| Sand Return (t/h) | Overflow (t/h) | |||||
| FG500 | 500 | 8-12.5 | 6-11 | 32 | 12-18 | 1.1 |
| FG750 | 750 | 6-10 | 11-24 | 65 | 12-18 | 3 |
| FG1000 | 1000 | 5-8 | 25-45 | 110 | 12-18 | 5.5 |
| FG1200 | 1200 | 4-6 | 50-80 | 155 | 12-18 | 7.5 |
| FG1500 | 1500 | 4-6 | 70-115 | 235 | 12-18 | 7.5 |
| FG1800 | 1800 | 2.5-6 | 100-190 | 310 | 12-18 | 11 |
| FG2000 | 2000 | 3.6-5.5 | 160-230 | 400 | 12-18 | 15 |
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