Kaolin high concentration ore dressing technology
A high-concentration technology of kaolin, applied in the direction of solid separation, wet separation, chemical instruments and methods, etc., can solve the problems of unfavorable selection process for deep processing, high viscosity of slurry, high energy consumption, etc., to reduce process steps and links, reduce Mining energy consumption and cost, the effect of energy consumption reduction
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[0022] Examples:
[0023] a. According to the classification and classification of ore grades, use excavators to classify and collect kaolin ore;
[0024] b. Put the kaolin ore into the mixing tank, add water and dispersant, and stir to maintain the viscosity at 7.6-78.3cps. The dispersant is composed of sodium hydroxide and sodium hexametaphosphate in a weight ratio of 1:2, and the amount is added to maintain the pH value of the dispersed kaolin ore between 6.5 and 7.0;
[0025] c. The dispersed kaolin ore is desanded with a spiral classifier to control the slurry particle size to be ≤74μm, and the obtained coarse quartz sand is then subjected to a two-stage spiral classifier and a three-stage spiral classifier for elutriation treatment. The pulp obtained by the elutriation of the two-stage spiral classifier is returned to step b. The pulp obtained by the three-stage spiral classifier is returned to the two-stage spiral classifier for processing, and water is added to the three-s...
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