Spiral classifier powerful tool in ore dressing

Spiral classifier powerful tool in ore dressing

Spiral is short for classifier. Classifier includes high weir spiral, double spiral, sank single spiral and the double spiral.
Spiral classifier is one of the beneficiation equipments. According to the different proportion of solid particles, the rate of precipitation in the liquid is also different. Spiral classifier concentrates fine ore based on the principle. After grinding, the materials will pass through filter, through which the coarse materials will return to and the fine ore will be discharged from the overflow pipe.
Generally, the spiral classifier matches with ball mill to form a closed circuits and used for ore concentrating.  When used in the gravity concentrator, the match can also grades ore and fine mud, and particle size classification in metal slurry beneficiation processes. Besides, this set of spiral classifier and ball mill is used in washing off mud and dehydration. The machine is simple structure, reliable and easy to operate.
Features:
1. It is used for excessive powder separation in dry type sand production. It is very convenient to control powder content to meet user requirements.
2. It is suitable for medium-sized dry type sand making production line.
3. The powder (0.00-0.75 mm) content is adjustable between 2% -15%.
4. Powder quality is easy to control, and fine adjustment is convenient, flexible and reliable.
5. It uses tile lining, so repair rate is very low.
6. The inverter control technology makes operation more concise.
Structure
The classifier is mainly composed by the transmission, spirochetes, a tank, the lifting bodies, the lower bearing (bearing) and the discharging ore valve.
Spiral classifier classification
1, High weir type: the top of the overflow end of the helical blade higher than the overflow surface overflow terminal helix center below the overflow surface. Mainly used for the overflow particle size of ore grading 0.83-0.15mm;
2, Sank: the overflow end of the helical blade fully immersed overflow below. It is mainly applied to the overflow particle size 0.15-0.07mm ore grading.
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