CN103663922A - Method for producing natural high-purity quartz sand - Google Patents
Method for producing natural high-purity quartz sand Download PDFInfo
- Publication number
- CN103663922A CN103663922A CN201210318289.2A CN201210318289A CN103663922A CN 103663922 A CN103663922 A CN 103663922A CN 201210318289 A CN201210318289 A CN 201210318289A CN 103663922 A CN103663922 A CN 103663922A
- Authority
- CN
- China
- Prior art keywords
- quartz sand
- sent
- hydrochloric acid
- level
- magnetic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Silicon Compounds (AREA)
Abstract
The invention discloses a method for producing natural high-purity quartz sand, belonging to the field of finish machining of natural rock crystal. The method takes 1-3 levels of natural rock crystal, 10%-12% diluted hydrochloric acid aqueous solution and water as raw materials, and comprises specific steps of sorting rock crystal, first level washing, removing skin, first level crushing, second level crushing, first level magnetic separating, acid pickling, second level washing, stoving, second level magnetic separating, and grading. The method has main advantages that universal equipment is used, water-process production does not generate pollution, and volume production can be realized; the quartz sand produced by the method has characteristics of no toxicity, no peculiar smell, no pollution, good thermal tolerance, and acid-base corrosion resistance, and can be used as raw material of ceramic, optical fibers, quartz glass, quartz tubes, quartz rods, and quartz crucibles.
Description
Technical field
The invention belongs to natural water spar precision work field, relate in particular to the method for the natural glass sand of a kind of suitability for industrialized production.
Background technology
Natural glass sand is to be processed by high-quality natural water spar, dioxide-containing silica is high, foreign matter content is low, natural glass sand main component is silicon-dioxide, and its content is greater than 99.99%, also contains the trace elements such as aluminum oxide, ferric oxide, calcium, lead, boron, magnesium, sodium, wherein alumina content is less than 30 ppm, iron oxide content is less than 5 ppm, and calcium contents is less than 5ppm, and size-grade distribution is 0.05-1 millimeter.Natural glass sand is a kind of silicate minerals of hard, wear-resisting, stable chemical performance, during production, be that 1-3 grades of natural water spar of employing or high-quality natural stone class are raw material, through meticulously selecting, retrofit forms, the size range of product is between 0.05-1 millimeter, outward appearance is colourless translucent, and density is 2.65, is insoluble to acid, is slightly soluble in potassium hydroxide solution.Natural glass sand is expensive high-grade variety in quartz sand series product, its physics, stable chemical nature, particularly its inherent molecular chain structure, crystal shape and lattice variations rule are unique, have advantages of high temperature resistant, corrosion-resistant, thermal expansivity is little, good insulating, optical property uniqueness, the main raw material as pottery, optical fiber, silica glass, silica tube, quartz pushrod, quartz crucible, also has important purposes in industries such as optical communication, illumination, semi-conductors.Natural glass sand is to be raw material by 1-3 grades of natural water spar, concrete technology is: the processes such as sodium fluoroaluminate sorting, one-level are washed, allowanced for bark, one-level fragmentation, two-stage crushing, one-level magnetic separation, pickling, secondary washing, oven dry, secondary magnetic separation, classification form, the feature of product be nontoxic, tasteless, pollution-free, temperature tolerance is good, acid-alkali-corrosive-resisting, product is specifically used in: 1. the manufacture of float glass, opticglass, glass fibre, glassware, conductive glass, woven fiber glass and anti-ray special glass; 2. the stock of porcelain and glaze, the production of high silica brick, common silica brick and silicon carbide for kiln; 3. the production of silicon metal, ferro-silicon and silumin; 4. production of artificial marble, cement physical properties experimental material etc.; 5. as the raw material of silicon compound, water glass and the weighting material of sulfuric acid tower; 6. as high purity metal silicon, the important raw and processed materials in optical fiber, Aeronautics and Astronautics field for communication.The major advantage of this production technique is: use general-purpose equipment, water law produce pollution-free, can be mass, can produce high-quality natural glass sand.
Summary of the invention
The problem that the present invention mainly solves is to provide the method for the natural glass sand of a kind of suitability for industrialized production, the method take natural water spar as raw material by sorting, one-level wash, allowance for bark, the technique such as one-level fragmentation, two-stage crushing, one-level magnetic separation, pickling, secondary washing, oven dry, secondary magnetic separation, classification produces natural glass sand, have advantages of use general-purpose equipment, water law produce pollution-free, can be mass, producing the raw material that this product uses has: diluted hydrochloric acid aqueous solution, water that 1-3 level natural water spar, concentration are 10%-12%.
The present invention can be achieved through the following technical solutions:
A production method for natural glass sand, is characterized in that consisting of following steps:
(1) selected 1-3 level natural water spar is sent into rinsing machine, with high pressure water washing, after removing the dirt settling of sodium fluoroaluminate outside surface, 1-3 level natural water spar is sent into sheller and remove epidermis.
(2) the 1-3 level natural water spar after peeling is sent into the particle that one-level crusher in crushing is 3-5 millimeter, with the sodium fluoroaluminate particle that is about to 3-5 millimeter, send into secondary breaker, be broken for the quartz sand of 0.05-1 millimeter.
(3) by the granularity after fragmentation, be that the quartz sand of 0.05-1 millimeter is sent into magnetic separator, when quartz sand passes through magnetic separator, contain the quartz sand of magnetic, containing metal and metal oxide by magnetic field Adsorption powerful in magnetic separator, the magnetic separation time is that after 0.15-0.25 hour, magnetic separation finishes, and the quartz sand after magnetic separation is sent into sour pond.
(4) by adding concentration in sour pond, be the diluted hydrochloric acid aqueous solution of 10%-12%, after stirring, appropriateness soaks 24-30 hour, then the dilute hydrochloric acid in sour pond is taken away, the quartz sand of Suan Chi lower floor after soaking is sent into rinsing machine by transfer roller and with high pressure water washing, is washed away the hydrochloric acid on quartz sand particle surface.
(5) clean quartz sand is sent into drying machine drying with transfer roller, bake out temperature is 90 ℃-100 ℃, drying time is 2.5-3 hour, then the quartz sand after drying is sent into magnetic separator for the second time, by the quartz sand Adsorption containing magnetic, containing metal and metal oxide residual in quartz sand, the magnetic separation time is that after 0.10-0.20 hour, magnetic separation finishes, quartz sand after magnetic separation is sent into vibratory screening apparatus and carry out classification, obtain finished product after sieving the quartz sand for several specifications such as 0.05-0.1,0.1-0.2,0.2-0.3,0.3-0.5,0.5-1 millimeters.
The described dilute hydrochloric acid concentration of step (4) is 10%-12%, and soak time is 24-30 hour; When dilute hydrochloric acid concentration is 10%, soak time is 30 hours; When dilute hydrochloric acid concentration is 11%, soak time is 27 hours, and when dilute hydrochloric acid concentration is 12%, soak time is 24 hours.
The described bake out temperature of step (5) is 90 ℃-100 ℃, and drying time is 2.5-3 hour; When corresponding bake out temperature is 90 ℃, drying time is 3 hours; When bake out temperature is 95 ℃, drying time is 2.75 hours, and when bake out temperature is 100 ℃, drying time is 2.5 hours.
The invention has the beneficial effects as follows: the production method that a kind of natural glass sand is provided, this production method has advantages of that technique is simple, easy to operate, facility investment is few, cost is low, water law production is pollution-free, can be mass, and can produce the natural glass sand of high-quality.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in further detail.
Embodiment 1
Selected 1-3 level natural water spar is sent into rinsing machine, with high pressure water washing, after removing the dirt settling of sodium fluoroaluminate outside surface, 1-3 level natural water spar is sent into sheller and remove epidermis; 1-3 level natural water spar after peeling is sent into the particle that one-level crusher in crushing is 3-5 millimeter, with the sodium fluoroaluminate particle that is about to 3-5 millimeter, send into secondary breaker, be broken for the quartz sand of 0.05-1 millimeter; The quartz sand that is 0.05-1 millimeter by the granularity after fragmentation is sent into magnetic separator, when quartz sand passes through magnetic separator, contain the quartz sand of magnetic, containing metal and metal oxide by magnetic field Adsorption powerful in magnetic separator, the magnetic separation time is that after 0.15 hour, magnetic separation finishes, and the quartz sand after magnetic separation is sent into sour pond; By adding concentration in sour pond, it is 10% diluted hydrochloric acid aqueous solution, after stirring, appropriateness soaks 30 hours, then the dilute hydrochloric acid in sour pond is taken away, the quartz sand of Suan Chi lower floor after soaking is sent into rinsing machine by transfer roller and with high pressure water washing, is washed away the hydrochloric acid on quartz sand particle surface; Clean quartz sand is sent into drying machine drying with transfer roller, bake out temperature is 90 ℃, drying time is 3 hours, then the quartz sand after drying is sent into magnetic separator for the second time, by the quartz sand Adsorption containing magnetic, containing metal and metal oxide residual in quartz sand, the magnetic separation time is that after 0.20 hour, magnetic separation finishes, quartz sand after magnetic separation is sent into vibratory screening apparatus and carry out classification, obtain finished product after sieving the quartz sand for several specifications such as 0.05-0.1,0.1-0.2,0.2-0.3,0.3-0.5,0.5-1 millimeters.
Embodiment 2
Selected 1-3 level natural water spar is sent into rinsing machine, with high pressure water washing, after removing the dirt settling of sodium fluoroaluminate outside surface, 1-3 level natural water spar is sent into sheller and remove epidermis; 1-3 level natural water spar after peeling is sent into the particle that one-level crusher in crushing is 3-5 millimeter, with the sodium fluoroaluminate particle that is about to 3-5 millimeter, send into secondary breaker, be broken for the quartz sand of 0.05-1 millimeter; The quartz sand that is 0.05-1 millimeter by the granularity after fragmentation is sent into magnetic separator, when quartz sand passes through magnetic separator, contain the quartz sand of magnetic, containing metal and metal oxide by magnetic field Adsorption powerful in magnetic separator, the magnetic separation time is that after 0.20 hour, magnetic separation finishes, and the quartz sand after magnetic separation is sent into sour pond; By adding concentration in sour pond, it is 11% diluted hydrochloric acid aqueous solution, after stirring, appropriateness soaks 27 hours, then the dilute hydrochloric acid in sour pond is taken away, the quartz sand of Suan Chi lower floor after soaking is sent into rinsing machine by transfer roller and with high pressure water washing, is washed away the hydrochloric acid on quartz sand particle surface; Clean quartz sand is sent into drying machine drying with transfer roller, bake out temperature is 95 ℃, drying time is 2.75 hours, then the quartz sand after drying is sent into magnetic separator for the second time, by the quartz sand Adsorption containing magnetic, containing metal and metal oxide residual in quartz sand, the magnetic separation time is that after 0.15 hour, magnetic separation finishes, quartz sand after magnetic separation is sent into vibratory screening apparatus and carry out classification, obtain finished product after sieving the quartz sand for several specifications such as 0.05-0.1,0.1-0.2,0.2-0.3,0.3-0.5,0.5-1 millimeters.
Embodiment 3
Selected 1-3 level natural water spar is sent into rinsing machine, with high pressure water washing, after removing the dirt settling of sodium fluoroaluminate outside surface, 1-3 level natural water spar is sent into sheller and remove epidermis; 1-3 level natural water spar after peeling is sent into the particle that one-level crusher in crushing is 3-5 millimeter, with the sodium fluoroaluminate particle that is about to 3-5 millimeter, send into secondary breaker, be broken for the quartz sand of 0.05-1 millimeter; The quartz sand that is 0.05-1 millimeter by the granularity after fragmentation is sent into magnetic separator, when quartz sand passes through magnetic separator, contain the quartz sand of magnetic, containing metal and metal oxide by magnetic field Adsorption powerful in magnetic separator, the magnetic separation time is that after 0.25 hour, magnetic separation finishes, and the quartz sand after magnetic separation is sent into sour pond; By adding concentration in sour pond, it is 12% diluted hydrochloric acid aqueous solution, after stirring, appropriateness soaks 24 hours, then the dilute hydrochloric acid in sour pond is taken away, the quartz sand of Suan Chi lower floor after soaking is sent into rinsing machine by transfer roller and with high pressure water washing, is washed away the hydrochloric acid on quartz sand particle surface; Clean quartz sand is sent into drying machine drying with transfer roller, bake out temperature is 100 ℃, drying time is 2.5 hours, then the quartz sand after drying is sent into magnetic separator for the second time, by the quartz sand Adsorption containing magnetic, containing metal and metal oxide residual in quartz sand, the magnetic separation time is that after 0.10 hour, magnetic separation finishes, quartz sand after magnetic separation is sent into vibratory screening apparatus and carry out classification, obtain finished product after sieving the quartz sand for several specifications such as 0.05-0.1,0.1-0.2,0.2-0.3,0.3-0.5,0.5-1 millimeters.
Claims (3)
1. a production method for natural glass sand, the raw material of its use comprises: diluted hydrochloric acid aqueous solution, water that 1-3 level natural water spar, concentration are 10%-12%; It is characterized in that: step (1) is sent selected 1-3 level natural water spar into rinsing machine, with high pressure water washing, after removing the dirt settling of sodium fluoroaluminate outside surface, 1-3 level natural water spar is sent into sheller and remove epidermis; Step (2) is sent the 1-3 level natural water spar after peeling into the particle that one-level crusher in crushing is 3-5 millimeter, with the sodium fluoroaluminate particle that is about to 3-5 millimeter, sends into secondary breaker, is broken for the quartz sand of 0.05-1 millimeter; The quartz sand that step (3) is 0.05-1 millimeter by the granularity after fragmentation is sent into magnetic separator, when quartz sand passes through magnetic separator, contain the quartz sand of magnetic, containing metal and metal oxide by magnetic field Adsorption powerful in magnetic separator, the magnetic separation time is that after 0.15-0.25 hour, magnetic separation finishes, and the quartz sand after magnetic separation is sent into sour pond; Step (4) is the diluted hydrochloric acid aqueous solution of 10%-12% by adding concentration in sour pond, after stirring, appropriateness soaks 24-30 hour, then the dilute hydrochloric acid in sour pond is taken away, the quartz sand of Suan Chi lower floor after soaking is sent into rinsing machine by transfer roller and with high pressure water washing, is washed away the hydrochloric acid on quartz sand particle surface; Step (5) is sent into drying machine drying by clean quartz sand with transfer roller, bake out temperature is 90 ℃-100 ℃, drying time is 2.5-3 hour, then the quartz sand after drying is sent into magnetic separator for the second time, by the quartz sand Adsorption containing magnetic, containing metal and metal oxide residual in quartz sand, the magnetic separation time is that after 0.10-0.20 hour, magnetic separation finishes, quartz sand after magnetic separation is sent into vibratory screening apparatus and carry out classification, obtain finished product after sieving the quartz sand for several specifications such as 0.05-0.1,0.1-0.2,0.2-0.3,0.3-0.5,0.5-1 millimeters.
2. the production method of a kind of natural glass sand according to claim 1, the feature of its step (4) is: described dilute hydrochloric acid concentration is 10%-12%, soak time is 24-30 hour; When dilute hydrochloric acid concentration is 10%, soak time is 30 hours; When dilute hydrochloric acid concentration is 11%, soak time is 27 hours, and when dilute hydrochloric acid concentration is 12%, soak time is 24 hours.
3. the production method of a kind of natural glass sand according to claim 1, the feature of its step (5) is: described bake out temperature is 90 ℃-100 ℃, and drying time is 2.5-3 hour; When corresponding bake out temperature is 90 ℃, drying time is 3 hours; When bake out temperature is 95 ℃, drying time is 2.75 hours, and when bake out temperature is 100 ℃, drying time is 2.5 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210318289.2A CN103663922A (en) | 2012-09-02 | 2012-09-02 | Method for producing natural high-purity quartz sand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210318289.2A CN103663922A (en) | 2012-09-02 | 2012-09-02 | Method for producing natural high-purity quartz sand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103663922A true CN103663922A (en) | 2014-03-26 |
Family
ID=50302825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210318289.2A Pending CN103663922A (en) | 2012-09-02 | 2012-09-02 | Method for producing natural high-purity quartz sand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103663922A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108275686A (en) * | 2018-04-18 | 2018-07-13 | 奈曼旗忠義砂产业有限公司 | A kind of production method of natural siliceous sand |
| CN110092384A (en) * | 2019-04-16 | 2019-08-06 | 开鲁县昌达矽砂有限公司 | A kind of production method of natural high-purity quartz sand |
| CN115178372A (en) * | 2021-04-01 | 2022-10-14 | 新沂市中大石英科技有限公司 | High-efficiency magnetic separation method for quartz sand |
-
2012
- 2012-09-02 CN CN201210318289.2A patent/CN103663922A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108275686A (en) * | 2018-04-18 | 2018-07-13 | 奈曼旗忠義砂产业有限公司 | A kind of production method of natural siliceous sand |
| CN110092384A (en) * | 2019-04-16 | 2019-08-06 | 开鲁县昌达矽砂有限公司 | A kind of production method of natural high-purity quartz sand |
| CN115178372A (en) * | 2021-04-01 | 2022-10-14 | 新沂市中大石英科技有限公司 | High-efficiency magnetic separation method for quartz sand |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100947407B1 (en) | Process for recovery of silica followed by alumina from coal fly ash | |
| CN108275686A (en) | A kind of production method of natural siliceous sand | |
| CN1319853C (en) | Process for preparing quartz sand using quartz gravel | |
| CN102674376B (en) | Production method of quartz tailing purification | |
| CN104098101B (en) | Glass sand production technique | |
| CN106082239B (en) | A kind of high-purity low-iron quartz sand purifying preparation method | |
| CN104925823A (en) | Process for refining hematite type potassium feldspar sand powder | |
| CN103663469B (en) | Quartz sand purifying technique | |
| CN103303927A (en) | Production method of purified quartz sand | |
| CN107473231A (en) | A kind of processing purifying technique to glass sand mine tailing | |
| CN102219226A (en) | Preparation method for high-purity fused quartz powder material applied to quartz ceramic crucible | |
| CN108928824A (en) | A kind of preparation process of glass sand | |
| CN103964444A (en) | Method for producing high-purity quartz sand | |
| CN103663465A (en) | Quartz sand purifying technology | |
| CN104986773A (en) | Purifying process for quartz raw materials for ultra-clear glass | |
| CN103663922A (en) | Method for producing natural high-purity quartz sand | |
| CN111792914A (en) | Method for preparing stoneware antique brick from multi-source ceramic solid waste | |
| CN106629743B (en) | A method of ceramic glaze quartz sand is produced using quartz tail sand | |
| CN103664021A (en) | Production method of natural quartz sand for casting | |
| CN109467093A (en) | A method of removal impurities containing iron from quartz sand | |
| CN110885239A (en) | Preparation method of high-purity fused quartz powder | |
| CN104014300B (en) | Diatomite preparation is with the method for drainage functional beer stabilizing agent | |
| CN103663461A (en) | Production method of natural quartz sand | |
| CN102862994A (en) | Method for refining quartz sand | |
| CN109467092A (en) | The processing method of quartz sand tailing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140326 |