Method for using kaolin tailings for preparing quartz sand for glass production
A technology of kaolin tailings and quartz sand, which is applied in the field of kaolin tailings treatment, can solve the problems of poor purity of quartz sand, complicated processing process, dust pollution, etc., and achieve the goal of ensuring product purity, no environmental pollution, and comprehensive energy consumption reduction Effect
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[0022] (1) Adding water to the kaolin tailings, pounding and dispersing at a high speed with a frequency-variable speed-regulating disperser to obtain a suspension with a solid content of 30-40wt%, and the speed of the frequency-variable speed-regulating disperser is 1000rpm;
[0023] (2) The dispersed suspension is pre-classified by centrifugal classification equipment, and the fine sand with a particle size of less than 0.7mm is directly entered into step (5) centrifugal classification equipment for classification;
[0024] (3) Coarse sand with a particle size greater than 0.7 mm enters the rod mill for grinding to obtain a slurry, and the slurry is classified through a centrifugal classification device to obtain fine sand with a particle size of less than 0.7 mm and enters step (5), with a particle size greater than 0.7 The coarse sand of mm is returned to the rod mill grinding equipment for grinding again;
[0025] (4) Repeat step (3) several times until the particle size ...
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