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Ultrasonic iron removal technology of quartz sand

A quartz sand and ultrasonic technology, applied in the field of quartz sand purification, can solve the problems of low iron removal efficiency, long cleaning time, and inability to remove impurities in quartz sand particles, and achieve high iron removal efficiency and short cleaning time.

Inactive Publication Date: 2016-08-24
任海涛
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, acid leaching can only remove iron impurities adhering to the surface of quartz sand particles, but cannot remove impurities in the gaps of quartz sand particles; moreover, acid leaching purification takes a long time and the iron removal efficiency is low

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] The ultrasonic iron removal process of the quartz sand of embodiment 1 may further comprise the steps:

[0017] S1: Put quartz sand in a reactor, add oxalic acid solution into the reactor, ultrasonically oscillate and stir, heat to 80°C, react for 10 minutes, and filter to obtain solid quartz sand;

[0018] S2: wash the quartz sand solid obtained in S1 with distilled water, and put it into an oven for drying;

[0019] The concentration of oxalic acid in the oxalic acid solution in S1 is 4g / L.

[0020] Wherein, the frequency of the ultrasonic wave is 40 KHz.

[0021] Wherein, the stirring speed is 300r / min.

[0022] Among them, the fineness of quartz sand is 80-90 mesh.

Embodiment 2

[0024] The ultrasonic iron removal process of the quartz sand of embodiment 2 may further comprise the steps:

[0025] S1: Put quartz sand in a reactor, add oxalic acid solution into the reactor, ultrasonically oscillate and stir, heat to 120°C, react for 20 minutes, and filter to obtain solid quartz sand;

[0026] S2: wash the quartz sand solid obtained in S1 with distilled water, and put it into an oven for drying;

[0027] The concentration of oxalic acid in the oxalic acid solution in S1 is 6g / L.

[0028] Wherein, the frequency of the ultrasonic wave is 50 KHz.

[0029] Wherein, the stirring speed is 500r / min.

[0030] Among them, the fineness of quartz sand is 90-100 mesh.

Embodiment 3

[0032] The ultrasonic iron removal process of the quartz sand of embodiment 3 may further comprise the steps:

[0033] S1: Put quartz sand in a reactor, add oxalic acid solution into the reactor, ultrasonically oscillate and stir, heat to 100°C, react for 15 minutes, and filter to obtain solid quartz sand;

[0034] S2: wash the quartz sand solid obtained in S1 with distilled water, and put it into an oven for drying;

[0035] The concentration of oxalic acid in the oxalic acid solution in S1 is 5g / L.

[0036] Wherein, the frequency of the ultrasonic wave is 45KHz.

[0037] Wherein, the stirring speed is 400r / min.

[0038] Among them, the fineness of quartz sand is 85-95 mesh.

[0039] Generally, iron impurity particles are distributed in three ways in quartz sand: one is adsorbed on the surface of quartz sand particles; the other is embedded in quartz sand particles; the third is contained in the interior of quartz sand particles. After ultrasonic cleaning, these cracked q...

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PUM

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Abstract

The invention discloses an ultrasonic iron removal technology of quartz sand. The technology comprises two steps of ultrasonic oscillation stirring iron removing and cleaning drying. Ultrasonic waves are used for cleaning the quartz sand, iron impurities adsorbed on the surface of the quartz sand can be removed, a certain cleaning effect on iron impurities embedded in quartz sand particles can be achieved, and under the same condition, high-frequency cleaning can be adopted, and the smashing effect on the quartz sand is better than the low-frequency cleaning effect; and the ultrasonic waves are adopted to clean the quartz sand, the cleaning time is short, and the iron removing efficiency is high.

Description

technical field [0001] The invention relates to the field of quartz sand purification, in particular to an ultrasonic iron removal process for quartz sand. Background technique [0002] Quartz sand is quartz particles made by crushing quartz stone. Quartz stone is a non-metallic mineral. It is a hard, wear-resistant and chemically stable silicate mineral. Its main mineral component is SiO2. Yapeng---The color of quartz sand is milky white, or colorless and translucent, with a hardness of 7. Quartz sand is an important industrial mineral raw material, non-chemical dangerous goods, widely used in glass, casting, ceramics and refractory materials, and smelting silicon Iron, metallurgical flux, metallurgy, construction, chemical industry, plastics, rubber, abrasives and other industries. [0003] The grade of quartz sand raw materials in industry is getting lower and lower. In order to meet the needs of industry, its grade can be improved through mineral processing. The purifi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B08B3/12C01B33/12
Inventor 任海涛
Owner 任海涛
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