CN107628625A - A kind of preparation method of glass sand - Google Patents
A kind of preparation method of glass sand Download PDFInfo
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- CN107628625A CN107628625A CN201711095470.0A CN201711095470A CN107628625A CN 107628625 A CN107628625 A CN 107628625A CN 201711095470 A CN201711095470 A CN 201711095470A CN 107628625 A CN107628625 A CN 107628625A
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Abstract
The invention discloses a kind of preparation method of glass sand, the preparation method comprises the following steps：1) coarse crushing；2) it is finely divided；3) magnetic separation；4) calcine；5) pickling；6) ultrasonic wave cleans；7) dry；8) sub-sieve.Obtained quartz sand purity is high, and small with thermal coefficient of expansion, internal stress is low, high moisture-proof, the good characteristic such as low-activity.
Description
Technical field
The invention belongs to technical field of quartz sand preparation, and in particular to a kind of preparation method of glass sand.
Background technology
Quartz sand is quartz through the broken quartz particles being process.Quartz is a kind of nonmetallic mineral, is one
Hard, wear-resisting, stable chemical performance the silicate mineral of kind, its main mineral constituent is SiO2.The color of quartz sand is milky white
Color or semi-transparent clear shape, Mohs' hardness 7.
Quartz sand is important industrial mineral raw material, non-chemical dangerous material, is widely used in glass, casting, ceramics and fire prevention
The industry such as material, smelting duriron, flux for metallurgy, metallurgy, building, chemical industry, plastics, rubber, abrasive material, filtrate.
Quartz sand is colourless, transparent quartzy mutation, and Greek is referred to as " Krystallos ", meant " pure white
Ice ", they be satisfied that quartz is durable and firm ice.Ancient Chinese people thinks containing upper cold crystal to quench the thirst in the mouth.Quartz
Sandstone is the chip rock of consolidation, and quartz grains content is up to more than 95%, from various magmatic rocks, sedimentary rock and metamorphic rock, and weight
Matter mineral are less, and associated mineral is feldspar, mica and clay mineral.Quartzite is divided to two kinds of sedimentary origin and Metamorphic Origin, the former
The boundary unobvious of detrital grain and cement, the latter refer to the quartzite ore that degree of metamorphism is deep, matter is pure.Vein quartz is by hydrothermal solution
Effect is formed, and almost all is made up of quartz, compact massive construction.Quartz sand Minerals changes of contents is larger, based on quartz,
Secondly it is feldspar, mica, landwaste, heavy mineral, clay mineral etc..
Preparation for quartz sand, the current country are primarily present following patent document：
Publication No. 107140654A Chinese patent discloses a kind of Modified Quartz Sand preparation method, is related to quartz sand processing skill
Art field；Including scouring, ball milling, cladding, drying and sintering process, before modified using ball-milling technology by quartz sand ball milling to smaller
Granularity, be advantageous to quartz sand powder and preferably disperse, so as to increase modification evenness, improve modified quality, stirred in higher temperature
Coating modification is carried out to quartz sand powder under the effect of mixing so that the probability that all quartz sands are wrapped by is consistent, sintering process
Volatile materials in modifying agent can be removed, while make it that covering material tissue is finer and close, be combined with quartz sand matrix
Power is stronger, it is not easy to is come off from quartz sand surface, so that Modified Quartz Sand property is stable.However, the system that the patent is provided
Preparation Method, focus on the modification to quartz sand, really to the emphasis of modified quartz sand purity.
The content of the invention
To solve above-mentioned problem, it is an object of the invention to provide a kind of preparation method of glass sand,
Obtained quartz sand purity is high, and small with thermal coefficient of expansion, internal stress is low, high moisture-proof, the good characteristic such as low-activity.
To reach above-mentioned purpose, the technical scheme is that：
A kind of preparation method of glass sand, the preparation method comprise the following steps：
1) coarse crushing；
Natural water spar or natural quartz are taken, is sent into disintegrating machine, carries out coarse crushing, it is 60 ~ 70mm fragments to obtain some sizes；
2) it is finely divided
Fragment feeding pulverizer obtained by step 1) is ground into 5 ~ 10mm particle；
3) magnetic separation
Particle is sent into magnetic separator and carries out magnetic separation processing；
4) calcine
Particle after step 3) processing is sent into calcining furnace to be calcined, obtains slurry；
5) pickling
Gained slurry is sent into acid dip tank and carries out pickling, the mass volume ratio of slurry and acid solution dosage in acid dip tank is 1：3 ~ 5,
Kg/L, it is 3 ~ 5 to slurry pH value；
6) ultrasonic wave cleans
Slurry after pickling is sent into supersonic wave cleaning machine and carries out ultrasonic wave cleaning, is 6 ~ 7 to slurry pH value；
7) dry
Slurry after washing is sent into drying machine drying；
8) sub-sieve
Resulting material after drying is crossed into 6 ~ 10 eye mesh screens to be sieved, obtains the glass sand.
Further, step 3) the magnet separator magnetic field intensity is 800 ~ 1200Oe.
Preferably, the step 4) calcining heat is 500 ~ 600 DEG C, calcination time 1 ~ 2 hour.
Preferably, acid solution used in step 5) is one kind in hydrofluoric acid, nitric acid, hydrochloric acid, sulfuric acid, and pickling temperature is 70 ~ 80
DEG C, pickling time 1 ~ 2 hour, stood after pickling, the time is 0.5 ~ 1 hour.
Preferably, the supersonic frequency of step 6) supersonic wave cleaning machine is 70 ~ 80KHz, and cleaning temperature is 40 ~ 50 DEG C, power
1 ~ 1.5W/cm of density2。
Preferably, stood in step 5) after pickling, the time is 0.5 ~ 1 hour.
Preferably, 150 ~ 160 DEG C of step 7) drying temperature, drying time period 3 ~ 4 hours.
The invention has the advantages that：
Using 1-4 level natural water spar or high-quality natural quartz by well-chosen, coarse crushing, calcining, finely divided, acid treatment,
The series of process such as high purity water cleaning, drying, sub-sieve, magnetic separation produce, and gained glass sand can be used for producing resistance to height
Warm quartz glass tube, high glass product etc., gained quartz sand fusing point are 1750 DEG C, true specific gravity 2.65g/cm3, and Mohs' hardness is
7, outward appearance is white powder.
Embodiment
Below by specific embodiment, the present invention is described further, but embodiment is not intended to limit the protection of the present invention
Scope.
A kind of preparation method of glass sand provided by the present invention, the preparation method comprise the following steps：
1) coarse crushing；
Natural water spar or natural quartz are taken, is sent into disintegrating machine, carries out coarse crushing, it is 60 ~ 70mm fragments to obtain some sizes；
2) it is finely divided
Fragment feeding pulverizer obtained by step 1) is ground into 5 ~ 10mm particle；
3) magnetic separation
Particle is sent into magnetic separator and carries out magnetic separation processing；
4) calcine
Particle after step 3) processing is sent into calcining furnace to be calcined, obtains slurry；
5) pickling
Gained slurry is sent into acid dip tank and carries out pickling, the mass volume ratio of slurry and acid solution dosage in acid dip tank is 1：3 ~ 5,
Kg/L, it is 3 ~ 5 to slurry pH value；
6) ultrasonic wave cleans
Slurry after pickling is sent into supersonic wave cleaning machine and carries out ultrasonic wave cleaning, is 6 ~ 7 to slurry pH value；
7) dry
Slurry after washing is sent into drying machine drying；
8) sub-sieve
Resulting material after drying is crossed into 6 ~ 10 eye mesh screens to be sieved, obtains the glass sand.
Further, step 3) the magnet separator magnetic field intensity is 800 ~ 1200Oe.
Preferably, the step 4) calcining heat is 500 ~ 600 DEG C, calcination time 1 ~ 2 hour.
Preferably, acid solution used in step 5) is one kind in hydrofluoric acid, nitric acid, hydrochloric acid, sulfuric acid, and pickling temperature is 70 ~ 80
DEG C, pickling time 1 ~ 2 hour, stood after pickling, the time is 0.5 ~ 1 hour.
Preferably, the supersonic frequency of step 6) supersonic wave cleaning machine is 70 ~ 80KHz, and cleaning temperature is 40 ~ 50 DEG C, power
1 ~ 1.5W/cm of density2。
Preferably, stood in step 5) after pickling, the time is 0.5 ~ 1 hour.
Preferably, 150 ~ 160 DEG C of step 7) drying temperature, drying time period 3 ~ 4 hours.
It should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted.Although with reference to compared with
The present invention is described in detail good embodiment, it will be understood by those within the art that, can be to the technology of invention
Scheme is modified or equivalent substitution, and without departing from the scope of technical solution of the present invention, it all should cover the power in the present invention
In sharp claimed range.
Claims (7)
1. a kind of preparation method of glass sand, it is characterised in that the preparation method comprises the following steps：
1) coarse crushing；
Natural water spar or natural quartz are taken, is sent into disintegrating machine, carries out coarse crushing, it is 60 ~ 70mm fragments to obtain some sizes；
2) it is finely divided
Fragment feeding pulverizer obtained by step 1) is ground into 5 ~ 10mm particle；
3) magnetic separation
Particle is sent into magnetic separator and carries out magnetic separation processing；
4) calcine
Particle after step 3) processing is sent into calcining furnace to be calcined, obtains slurry；
5) pickling
Gained slurry is sent into acid dip tank and carries out pickling, the mass volume ratio of slurry and acid solution dosage in acid dip tank is 1：3 ~ 5,
Kg/L, it is 3 ~ 5 to slurry pH value；
6) ultrasonic wave cleans
Slurry after pickling is sent into supersonic wave cleaning machine and carries out ultrasonic wave cleaning, is 6 ~ 7 to slurry pH value；
7) dry
Slurry after washing is sent into drying machine drying；
8) sub-sieve
Resulting material after drying is crossed into 6 ~ 10 eye mesh screens to be sieved, obtains the glass sand.
2. the preparation method of glass sand according to claim 1, it is characterised in that the step 3) magnet separator magnetic
Field intensity is 800 ~ 1200Oe.
3. the preparation method of glass sand according to claim 1, it is characterised in that the step 4) calcining heat
For 500 ~ 600 DEG C, calcination time 1 ~ 2 hour.
4. the preparation method of glass sand according to claim 1, it is characterised in that acid solution used in step 5) is hydrogen
One kind in fluoric acid, nitric acid, hydrochloric acid, sulfuric acid, pickling temperature are 70 ~ 80 DEG C, pickling time 1 ~ 2 hour, are stood after pickling, the time
For 0.5 ~ 1 hour.
5. the preparation method of the glass sand according to claim 1 or 3, it is characterised in that step 6) ultrasonic wave is clear
The supersonic frequency of washing machine is 70 ~ 80KHz, and cleaning temperature is 40 ~ 50 DEG C, 1 ~ 1.5W/cm of power density2。
6. the preparation method of glass sand according to claim 1, it is characterised in that quiet after pickling in step 5)
Put, the time is 0.5 ~ 1 hour.
7. the preparation method of glass sand according to claim 1, it is characterised in that step 7) drying temperature 150 ~
160 DEG C, drying time period 3 ~ 4 hours.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711095470.0A CN107628625A (en) | 2017-11-09 | 2017-11-09 | A kind of preparation method of glass sand |
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| CN201711095470.0A CN107628625A (en) | 2017-11-09 | 2017-11-09 | A kind of preparation method of glass sand |
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Cited By (6)
| 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 |
| CN109092514A (en) * | 2018-07-25 | 2018-12-28 | 信阳核工业新材料有限公司 | A kind of preparation method of high fluidity silica flour |
| CN110508552A (en) * | 2019-09-27 | 2019-11-29 | 江苏美科硅能源有限公司 | A kind of processing method of the primary silicon material of the attached oxide in surface |
| CN111233308A (en) * | 2020-03-17 | 2020-06-05 | 江苏亨通智能科技有限公司 | Opaque quartz glass ingot and preparation method thereof |
| CN111285378A (en) * | 2020-02-24 | 2020-06-16 | 黄冈师范学院 | Preparation method of high-whiteness quartz plate sand |
| CN113416432A (en) * | 2021-04-19 | 2021-09-21 | 广东能辉新材料科技有限公司 | Modified quartz sand and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102126727A (en) * | 2010-11-25 | 2011-07-20 | 黄山恒源石英材料有限公司 | Method for purifying vein quartz under non-pickling condition |
| CN102887516A (en) * | 2012-10-26 | 2013-01-23 | 蔡雅纯 | Production method of high-purity quartz sand |
| CN104986773A (en) * | 2015-06-11 | 2015-10-21 | 大连工业大学 | Purifying process for quartz raw materials for ultra-clear glass |
| CN105060301A (en) * | 2015-07-16 | 2015-11-18 | 安徽东阳矿业科技有限公司 | Quartz sand separation and purification process system |
| CN105948062A (en) * | 2016-04-28 | 2016-09-21 | 江苏凯达石英有限公司 | Preparation method of highly pure quartz sands |
-
2017
- 2017-11-09 CN CN201711095470.0A patent/CN107628625A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102126727A (en) * | 2010-11-25 | 2011-07-20 | 黄山恒源石英材料有限公司 | Method for purifying vein quartz under non-pickling condition |
| CN102887516A (en) * | 2012-10-26 | 2013-01-23 | 蔡雅纯 | Production method of high-purity quartz sand |
| CN104986773A (en) * | 2015-06-11 | 2015-10-21 | 大连工业大学 | Purifying process for quartz raw materials for ultra-clear glass |
| CN105060301A (en) * | 2015-07-16 | 2015-11-18 | 安徽东阳矿业科技有限公司 | Quartz sand separation and purification process system |
| CN105948062A (en) * | 2016-04-28 | 2016-09-21 | 江苏凯达石英有限公司 | Preparation method of highly pure quartz sands |
Cited By (6)
| 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 |
| CN109092514A (en) * | 2018-07-25 | 2018-12-28 | 信阳核工业新材料有限公司 | A kind of preparation method of high fluidity silica flour |
| CN110508552A (en) * | 2019-09-27 | 2019-11-29 | 江苏美科硅能源有限公司 | A kind of processing method of the primary silicon material of the attached oxide in surface |
| CN111285378A (en) * | 2020-02-24 | 2020-06-16 | 黄冈师范学院 | Preparation method of high-whiteness quartz plate sand |
| CN111233308A (en) * | 2020-03-17 | 2020-06-05 | 江苏亨通智能科技有限公司 | Opaque quartz glass ingot and preparation method thereof |
| CN113416432A (en) * | 2021-04-19 | 2021-09-21 | 广东能辉新材料科技有限公司 | Modified quartz sand and preparation method thereof |
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