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Analysis about Spiral Diameter of the Spiral Classifier

Posted Oct 21 2012 1:36am

Spiral classifier is the main factor to determine the circulating load. We must appropriately choose the spiral diameter or change the rotating speed and the power of the spiral according to the sand particle requirements in the concrete engineering design so that the spiral is running in the best state. Beside the above points, the selection basis should be determined according to the concentration of the particle size of overflow and the length and particle size of the classifier.
Under the premise to meet the processing power of the spiral classifier, we should try to choose the single spiral classifier, because the negative leaning of the double screw conveyor is only 60% to 70% of the single spiral. When the spiral classifier is combined with the grinder and the screening machine, the production capacity of the spiral classifier should be matched with the former and there should be certain room. The reference margin should be 1.5 times. The production output of the spiral classifier matching with the rod mill should be 1.5 times as the production output of the rod mill. When you choose the spiral classifier, you should refer to the empirical data. In the artificial aggregates cattle production, the spiral classifier is also used to recover the stone chips and fine sand for recycling. At this time, the actual working conditions should be determined by the actual working production situation. The productivity of the spiral classifier is calculated by the overflow meter of the spiral classifier. The efficiency depends on the particle size of the overflow, the proportion of the materials, the size composition of the materials and the overflow concentration. The productivity of the spiral classifier is almost proportional to the specific gravity of the materials to be processed.  
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