CN103303927A - Production method of purified quartz sand - Google Patents
Production method of purified quartz sand Download PDFInfo
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- CN103303927A CN103303927A CN 201210058340 CN201210058340A CN103303927A CN 103303927 A CN103303927 A CN 103303927A CN 201210058340 CN201210058340 CN 201210058340 CN 201210058340 A CN201210058340 A CN 201210058340A CN 103303927 A CN103303927 A CN 103303927A
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- quartz sand
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Abstract
The invention discloses a production method of purified quartz sand belonging to the quartz stone fine finishing field. The purified quartz sand is obtained by adopting high-quality quartz stones, dilute hydrochloric acid having a concentration of 10-15% and water as raw materials and processing through a series of processes comprising water washing, fragmentation, magnetic separation, acid treatment, water washing, drying, grading and the like. The production method has the advantages of less investment, low cost, no pollution, good product quality, batch production, and production of the high-quality purified quartz sand. The purified quartz sand is mainly used for making glass, refractory materials, smelting ferrosilicon, metallurgic fluxes, ceramics, grinding materials, cast molded quartz sand and the like, and can be used for preparing acid resistant concrete and acid resistant mortars in buildings because of the very strong acidic medium etching resistance.
Description
Technical field
The invention belongs to quartzite precision work field, relate in particular to a kind of take the method for quartzite as primary industry production purity quartzite.
Background technology
Quartz sand is a kind of silicate mineral of hard, wear-resisting, stable chemical performance, and its main component is SiO
2, color is oyster white or colourless translucent, property is crisp without cleavage, and conchoidal fracture, oily luster, density is 2.65, its chemistry, calorifics and mechanical property have obvious anisotropy, are insoluble to acid, are slightly soluble in KOH solution, 1730 ℃ of fusing points.Quartz sand is important industrial mineral raw material, because of its inherent molecular chain structure, crystal shape and lattice variations rule uniqueness, and make physics, the chemical property of its uniqueness that has, characteristics are: high temperature resistant, thermal expansivity is little, high-insulation, corrosion-resistant, have piezoelectric effect, resonance effect with and unique optical characteristics, make it in many high-tech products, bring into play more and more important effect, be widely used in the industries such as glass, casting, pottery and refractory materials, smelting duriron, flux for metallurgy, metallurgy, building, chemical industry, plastics, rubber.Industrial quartz sand is divided into: common quartz sand, purity quartzite, glass sand, fused quartz sand, silicon powder.The present invention is a kind of purity quartzite, and outward appearance is the white crystals shape, is characterized in SiO
2Content is more than 99%, Fe
2O
3Content is less than 0.005%, the product granularity scope has following several: 1-0.5mm, 0.5-0.1mm, 0.1-0.01mm, 0.01-0.005mm, mainly for the manufacture of glass, refractory materials, smelting duriron, flux for metallurgy, pottery, abrasive substance, casting and molding quartz sand etc.; Also can utilize under construction it that very strong resistance to acid medium etch ability is arranged, produce acid resisting concrete and acid resisting mortar.The raw material of producing quartz sand is quartzite, and quartzite also claims silica, is that a kind of quality is hard, wear-resisting, the silicates mineral of stable chemical nature, exists with quartzose sandstone, quartzite and vein quartz at occurring in nature.It is raw material that the production purity quartzite will be selected high grade quartz stone, process through series of process such as washing, fragmentation, magnetic separation, acid treatment, washing, oven dry, classifications, the major advantage of this technical process is: less investment, cost are low, pollution-free, good product quality, can be mass, and can produce high-quality purity quartzite.
Summary of the invention
The problem that the present invention mainly solves provides a kind of method of suitability for industrialized production purity quartzite, the method is produced purity quartzite take high grade quartz stone as main raw material, has that technique is simple, easy to operate, the major advantage of this technical process is: less investment, cost are low, pollution-free, good product quality, can be mass.Producing the raw material that purity quartzite uses has: high grade quartz stone, concentration are dilute hydrochloric acid, the water of 10-15%.
The present invention can be achieved through the following technical solutions:
A kind of production method of purity quartzite is characterized in that being made of following steps:
1. the quartzite of high-quality bulk is sent into rinsing machine, use high pressure water washing, remove impurity.
2. the Calusena lansium that the boulder diamond stone after will cleaning is removed the quartzite outside surface by sheller or artificial method.
3. the boulder diamond stone after will removing the peel is sent into the particle that crusher in crushing is 0.005-1mm.
4. the quartzite particle after the fragmentation is sent into magnetic separator and pass through from magnetic separator, magnetic field powerful in the magnetic separator is with the Fe that contains in the quartzite
2O
3The coloured particle Adsorption, obtain white quartz sand.
5. the quartz sand of white is sent into sour pond, use the dilute hydrochloric acid of concentration 10-15% to soak 24-30 hour.
6. the quartz sand elimination hydrochloric acid after dilute hydrochloric acid being soaked is sent into the rinsing machine high pressure water washing immediately, sends into drying machine drying behind the hydrochloric acid on clean quartz sand particle surface, and bake out temperature is 60 ℃-66 ℃, and drying time is 1-1.5 hour.
7. the quartz sand after will drying is sent into and is obtained the purity quartzite that diameter is 1-0.5mm, 0.5-0.1mm, 0.1-0.01mm, 0.01-0.005mm after vibratory screening apparatus sieves, and obtains finished product after the packing respectively.
The invention has the beneficial effects as follows: a kind of production method of purity quartzite is provided, this production method has advantages of that technique is simple, easy to operate, facility investment is few, cost is low, pollution-free, can be mass, and can produce the purity quartzite of high-quality.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in further detail.
Embodiment 1
The quartzite of high-quality bulk is sent into rinsing machine, use high pressure water washing, remove impurity; The Calusena lansium that boulder diamond stone after cleaning is removed the quartzite outside surface by sheller or artificial method; Boulder diamond stone after the peeling is sent into the particle that crusher in crushing is 0.005-1mm; Quartzite particle after the fragmentation is sent into magnetic separator and pass through from magnetic separator, magnetic field powerful in the magnetic separator is with the Fe that contains in the quartzite
2O
3The coloured particle Adsorption, obtain white quartz sand; The quartz sand of white is sent into sour pond, use the dilute hydrochloric acid of concentration 15% to soak 24 hours; With the quartz sand elimination hydrochloric acid after the dilute hydrochloric acid immersion, send into immediately the rinsing machine high pressure water washing, send into drying machine drying behind the hydrochloric acid on clean quartz sand particle surface, bake out temperature is 60 ℃, drying time is 1.5 hours; Quartz sand after the oven dry is sent into and obtained the purity quartzite that diameter is 1-0.5mm, 0.5-0.1mm, 0.1-0.01mm, 0.01-0.005mm after vibratory screening apparatus sieves, obtain finished product after the packing respectively.
Embodiment 2
The quartzite of high-quality bulk is sent into rinsing machine, use high pressure water washing, remove impurity; The Calusena lansium that boulder diamond stone after cleaning is removed the quartzite outside surface by sheller or artificial method; Boulder diamond stone after the peeling is sent into the particle that crusher in crushing is 0.005-1mm; Quartzite particle after the fragmentation is sent into magnetic separator and pass through from magnetic separator, magnetic field powerful in the magnetic separator is with the Fe that contains in the quartzite
2O
3The coloured particle Adsorption, obtain white quartz sand; The quartz sand of white is sent into sour pond, use the dilute hydrochloric acid of concentration 12.5% to soak 27 hours; With the quartz sand elimination hydrochloric acid after the dilute hydrochloric acid immersion, send into immediately the rinsing machine high pressure water washing, send into drying machine drying behind the hydrochloric acid on clean quartz sand particle surface, bake out temperature is 63 ℃, drying time is 1.25 hours; Quartz sand after the oven dry is sent into and obtained the purity quartzite that diameter is 1-0.5mm, 0.5-0.1mm, 0.1-0.01mm, 0.01-0.005mm after vibratory screening apparatus sieves, obtain finished product after the packing respectively.
Embodiment 3
The quartzite of high-quality bulk is sent into rinsing machine, use high pressure water washing, remove impurity; The Calusena lansium that boulder diamond stone after cleaning is removed the quartzite outside surface by sheller or artificial method; Boulder diamond stone after the peeling is sent into the particle that crusher in crushing is 0.005-1mm; Quartzite particle after the fragmentation is sent into magnetic separator and pass through from magnetic separator, magnetic field powerful in the magnetic separator is with the Fe that contains in the quartzite
2O
3The coloured particle Adsorption, obtain white quartz sand; The quartz sand of white is sent into sour pond, use the dilute hydrochloric acid of concentration 10% to soak 30 hours; With the quartz sand elimination hydrochloric acid after the dilute hydrochloric acid immersion, send into immediately the rinsing machine high pressure water washing, send into drying machine drying behind the hydrochloric acid on clean quartz sand particle surface, bake out temperature is 66 ℃, drying time is 1 hour; Quartz sand after the oven dry is sent into and obtained the purity quartzite that diameter is 1-0.5mm, 0.5-0.1mm, 0.1-0.01mm, 0.01-0.005mm after vibratory screening apparatus sieves, obtain finished product after the packing respectively.
Claims (3)
1. the production method of a purity quartzite, its raw material that uses comprises: high grade quartz stone, concentration are dilute hydrochloric acid, the water of 10-15%; It is characterized in that: step (1) is sent the quartzite of high-quality bulk into rinsing machine, uses high pressure water washing, removes impurity; The Calusena lansium that boulder diamond stone after step (2) will be cleaned is removed the quartzite outside surface by sheller or artificial method; Boulder diamond stone after step (3) will be removed the peel is sent into the particle that crusher in crushing is 0.005-1mm; Step (4) is sent the quartzite particle after the fragmentation into magnetic separator and is passed through from magnetic separator, and magnetic field powerful in the magnetic separator is with the Fe that contains in the quartzite
2O
3The coloured particle Adsorption, obtain white quartz sand; Step (5) is sent the quartz sand of white into sour pond, uses the dilute hydrochloric acid of concentration 10-15% to soak 24-30 hour; Quartz sand elimination hydrochloric acid after step (6) is soaked dilute hydrochloric acid is sent into the rinsing machine high pressure water washing immediately, sends into drying machine drying behind the hydrochloric acid on clean quartz sand particle surface, and bake out temperature is 60 ℃-66 ℃, and drying time is 1-1.5 hour; Quartz sand after step (7) will be dried is sent into and is obtained the purity quartzite that diameter is 1-0.5mm, 0.5-0.1mm, 0.1-0.01mm, 0.01-0.005mm after vibratory screening apparatus sieves, and obtains finished product after the packing respectively.
2. the production method of a kind of purity quartzite according to claim 1, the feature of its step (5) is: described when being 15% with dilute hydrochloric acid concentration soak time be 24 hours, soak time was 27 hours when dilute hydrochloric acid concentration was 12.5%, and soak time was 30 hours when dilute hydrochloric acid concentration was 10%.
3. the production method of a kind of purity quartzite according to claim 1, the feature of its step (6) is: when described bake out temperature is 60 ℃, drying time is 1.5 hours, when bake out temperature is 63 ℃, drying time is 1.25 hours, when bake out temperature is 66 ℃, drying time is 1 hour.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210058340 CN103303927A (en) | 2012-03-08 | 2012-03-08 | Production method of purified quartz sand |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210058340 CN103303927A (en) | 2012-03-08 | 2012-03-08 | Production method of purified quartz sand |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103626190A (en) * | 2013-12-04 | 2014-03-12 | 王林 | Method for removing surface and impurities of quartz ore |
| CN105624783A (en) * | 2016-01-26 | 2016-06-01 | 张雷 | Formula-grade technology for smelted crystal terahertz energy ball |
| CN107140647A (en) * | 2017-06-26 | 2017-09-08 | 安徽安顺硅基玻璃原料有限公司 | A kind of quartz sand purification method |
| CN107827115A (en) * | 2017-09-15 | 2018-03-23 | 江苏闽江矿业有限公司 | A kind of method of purity quartzite |
| CN108005257A (en) * | 2017-12-12 | 2018-05-08 | 蒋燕鑫 | A kind of construction techniques |
| CN108341597A (en) * | 2018-04-28 | 2018-07-31 | 四川南联环资科技股份有限公司 | A kind of production technology preparing glass quartz sand from quartz sand tailings extraction |
| CN108640664A (en) * | 2018-03-22 | 2018-10-12 | 滁州方大矿业发展有限公司 | A kind of silica flour for ceramic making |
| CN110357470A (en) * | 2019-06-28 | 2019-10-22 | 黄冈师范学院 | A kind of high pressure acidleach removes the process of blue illite particulate matter in quartz sand |
| CN110615687A (en) * | 2019-11-01 | 2019-12-27 | 内蒙古仁创沙产业有限公司 | Purification method of casting silica sand and high-purity silica sand |
| CN110681472A (en) * | 2019-10-09 | 2020-01-14 | 广西大化汇邦石材有限公司 | Quartz sand pickling-free wampee removing process |
| 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 |
| CN115417414A (en) * | 2022-08-19 | 2022-12-02 | 陕西合兴硅砂有限公司 | Method for removing impurity iron in quartz sand by synergy of sodium salt and ammonium salt |
-
2012
- 2012-03-08 CN CN 201210058340 patent/CN103303927A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103626190B (en) * | 2013-12-04 | 2015-05-27 | 王林 | Method for removing surface and impurities of quartz ore |
| CN103626190A (en) * | 2013-12-04 | 2014-03-12 | 王林 | Method for removing surface and impurities of quartz ore |
| CN105624783A (en) * | 2016-01-26 | 2016-06-01 | 张雷 | Formula-grade technology for smelted crystal terahertz energy ball |
| CN107140647A (en) * | 2017-06-26 | 2017-09-08 | 安徽安顺硅基玻璃原料有限公司 | A kind of quartz sand purification method |
| CN107827115A (en) * | 2017-09-15 | 2018-03-23 | 江苏闽江矿业有限公司 | A kind of method of purity quartzite |
| CN108005257A (en) * | 2017-12-12 | 2018-05-08 | 蒋燕鑫 | A kind of construction techniques |
| CN108640664A (en) * | 2018-03-22 | 2018-10-12 | 滁州方大矿业发展有限公司 | A kind of silica flour for ceramic making |
| CN108341597A (en) * | 2018-04-28 | 2018-07-31 | 四川南联环资科技股份有限公司 | A kind of production technology preparing glass quartz sand from quartz sand tailings extraction |
| CN110357470A (en) * | 2019-06-28 | 2019-10-22 | 黄冈师范学院 | A kind of high pressure acidleach removes the process of blue illite particulate matter in quartz sand |
| CN110357470B (en) * | 2019-06-28 | 2022-01-14 | 黄冈师范学院 | Process method for removing blue illite particles in quartz sand through high-pressure acid leaching |
| CN110681472A (en) * | 2019-10-09 | 2020-01-14 | 广西大化汇邦石材有限公司 | Quartz sand pickling-free wampee removing process |
| CN110615687A (en) * | 2019-11-01 | 2019-12-27 | 内蒙古仁创沙产业有限公司 | Purification method of casting silica sand and high-purity silica sand |
| CN110615687B (en) * | 2019-11-01 | 2022-05-13 | 内蒙古仁创沙产业有限公司 | Purification method of casting silica sand and high-purity silica 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 |
| CN115417414A (en) * | 2022-08-19 | 2022-12-02 | 陕西合兴硅砂有限公司 | Method for removing impurity iron in quartz sand by synergy of sodium salt and ammonium salt |
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Application publication date: 20130918 |