Preparation method of high-purity quartz sand
A high-purity quartz sand, quartz sand technology, applied in the direction of silica, silicon oxide, etc., can solve the problems of imperfect microbial iron removal technology, unsatisfactory treatment and iron removal effect, high power consumption of baking water, etc. Achieve remarkable iron removal effect, good scrubbing effect, and avoid secondary pollution
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Embodiment 1
[0027] A preparation method of high-purity quartz sand, comprising the following steps:
[0028] Crushing: Clean the mined quartz sand rough ore and put it into the jaw crusher for rough crushing into quartz sand fragments below 50mm, put the quartz sand fragments into the wet mill for grinding, and screen the 0.2mm through the vibrating screen The following quartz sand particles;
[0029] Ultrasonic scrubbing: add the screened quartz sand particles into a solution equipped with a dispersant to make a pulp, the concentration of the pulp is 25%, the dispersant is sodium tripolyphosphate, the dosage is 1.5kg / t, and the pulp is placed in an ultrasonic pulverizer. 3h ultrasonic scrubbing, the ultrasonic intensity is controlled at 8W / m 2 , to obtain quartz sand fine sand; the quartz sand particles are violently impacted, and the trace impurities on the surface of the quartz sand particles are quickly peeled off from the surface of the quartz sand particles under the action of the ...
Embodiment 2
[0035] A preparation method of high-purity quartz sand, comprising the following steps:
[0036] Crushing: Clean the mined quartz sand rough ore and put it into the jaw crusher for rough crushing into quartz sand fragments below 50mm, put the quartz sand fragments into the wet mill for grinding, and screen the 0.2mm through the vibrating screen The following quartz sand particles;
[0037] Ultrasonic scrubbing: add the screened quartz sand particles into a solution equipped with a dispersant to make a pulp, the concentration of the pulp is 28%, the dispersant is sodium hexametaphosphate, and the dosage is 1.6kg / t, and the pulp is placed in an ultrasonic pulverizer for 6 hours of ultrasonic scrubbing, the ultrasonic intensity is controlled at 5-10W / m 2 , to obtain quartz sand fine sand; the quartz sand particles are violently impacted, and the trace impurities on the surface of the quartz sand particles are quickly peeled off from the surface of the quartz sand particles under...
Embodiment 3
[0043] A preparation method of high-purity quartz sand, comprising the following steps:
[0044] Crushing: Clean the mined quartz sand rough ore and put it into the jaw crusher for rough crushing into quartz sand fragments below 50mm, put the quartz sand fragments into the wet mill for grinding, and screen the 0.2mm through the vibrating screen The following quartz sand particles;
[0045] Ultrasonic scrubbing: add the screened quartz sand particles into a solution equipped with a dispersant to make a pulp, the concentration of the pulp is 30%, the dosage of the dispersant sodium pyrophosphate is 2.0kg / t, put the pulp in an ultrasonic pulverizer for 5h Ultrasonic scrubbing, the ultrasonic intensity is controlled at 8.5W / m 2 , to obtain quartz sand fine sand; the quartz sand particles are violently impacted, and the trace impurities on the surface of the quartz sand particles are quickly peeled off from the surface of the quartz sand particles under the action of the dispersan...
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