CN106629743B - A method of ceramic glaze quartz sand is produced using quartz tail sand - Google Patents
A method of ceramic glaze quartz sand is produced using quartz tail sand Download PDFInfo
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- CN106629743B CN106629743B CN201611020299.2A CN201611020299A CN106629743B CN 106629743 B CN106629743 B CN 106629743B CN 201611020299 A CN201611020299 A CN 201611020299A CN 106629743 B CN106629743 B CN 106629743B
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- sand
- quartz
- quartz tail
- ceramic glaze
- tail
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Classifications
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/113—Silicon oxides; Hydrates thereof
- C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B9/00—General arrangement of separating plant, e.g. flow sheets
- B03B9/06—General arrangement of separating plant, e.g. flow sheets specially adapted for refuse
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/52—Mechanical processing of waste for the recovery of materials, e.g. crushing, shredding, separation or disassembly
Abstract
The invention discloses a kind of methods using quartz tail sand production ceramic glaze quartz sand, it is related to quartz sand production technical field, pass through washing, first time magnetic separation, it is classified for the first time, acidleach, second of magnetic separation, second of classification, it is dry, pack these steps, it is excellent a kind of properties of product have been obtained, decorative effect is unique, impurity is few, purity is high, and glaze is free of lead, the ceramic glaze quartz sand of the harmful substances such as cadmium, it solves in existing quartz sand production process that tailings is made into caused by waste disposal pollution and the method for existing processing quartz sand tailings obtains product quality is not high, the restricted problem of the scope of application.
Description
Technical field
The present invention relates to quartz sand production technical fields more particularly to a kind of utilization quartz sand tailings to produce ceramic glaze stone
The method of sand.
Background technique
Quartz tail sand is valuable mineral resources, and the up to ten million tons of China's annual emissions, resource utilization, which has become, necessarily to become
Gesture.National annual quartz tail sand, mine tailings discharge amount more have 10,000,000 tons, discharge so a large amount of quartz tail sand, mine tailings, directly
It connects and serious environmental pollution, cultivated land occupancy, river, reservoir is caused the adverse consequences such as to silt up.Many enterprises technique and it is dust-proof on
It is also relatively backward, especially in quartz sand dry process, a large amount of dusts are produced, production environment is quite severe, serious to endanger
The health of evil worker and neighbouring resident.In order to protect environment and make full use of mineral resources, the comprehensive benefit of quartz sand tailings
With extremely urgent.
Quartz tail sand includes the waste residue in ore extraction, the tailings in process and tail mud, and wherein tailings accounts for absolutely mostly
Number.The chemical component of quartz tail sand is mainly SiO2, other impurities ingredient is mainly LoI, Al2O3, Fe2O3, CaO, MgO, R2O
Mainly it is present in feldspar, clay, mica, iron mineral etc. Deng, these impurity components.
The selected waste residue of magnetite quartzite of introducing 15% or so can improve the object of ceramic body and glaze layer in ceramic batch
Mechanical performance is managed, the glazing metope ceramics of production thick black are effectively used for.If quartz tail sand is added, ceramics are effectively reduced
Production cost, moreover, its properties of product is excellent, decorative effect is unique, riotous with colour, and glaze is without harmful substances such as lead, cadmiums.
So research quartz sand tailings production ceramics are right to bring huge benefit to environment, cost with the method for quartz sand.Now,
Tailings is not all carried out deep processing and is used by most of quartz sand manufacturing enterprises, but regards waste material and garbage disposal,
It is because up to the present, the appropriate technology of purity and whiteness is improved in China about quartz sand tailings not yet.
Summary of the invention
To solve that tailings is made into pollution caused by waste disposal and existing place in existing quartz sand production process
The problems such as product quality that the method for fibrous gypsum sand tailings obtains is not high, the scope of application is restricted and provide a kind of using quartz sand
The method of tailings production ceramic glaze quartz sand.
Concrete scheme of the invention is as follows:
A method of ceramic glaze quartz sand is produced using quartz tail sand, which comprises the following steps:
(1) it washes: the quartz tail sand that granular size is 100-300 mesh being put into hydrocyclone cleaning, until surface does not have
Apparent dirt；
(2) first time magnetic separation: the obtained quartz tail sand cleaned up of step (1) is put into magnetic separator and is removed in material
Magnetic metal impurity；
(3) it is classified for the first time: going out the stone of 100-200 mesh and 200-300 mesh from the obtained quartz tail sand sub-argument of step (2)
It is dehydrated after English tailings spare；
(4) acidleach: quartz sand tailings raw material obtained in step (3) is respectively put into sand washing tube, while wherein
Even spreading inorganic acid makes the concentration of solid-to-liquid ratio in 40-50% after adding water, after inorganic acid is added, is by quartz sand standing 6-12h
It can be cleaned to material pH=6-7 then drying material again.
(5) second of magnetic separation: the quartz tail sand that step (4) obtains is respectively put into again in magnetic separator and carries out magnetic separation, is removed
Remaining minority magnetic metal impurity.
(6) it is classified for second: isolating the quartz tail sand of 100-150 mesh again from step (5) obtained quartz tail sand.
(7) dry: the material in step (6) to be sent into drying machine, drying temperature is 200-450 DEG C, and drying time is
6h-12h。
(8) it packs: step (8) obtained quartz tail sand is packed.
Further, the inorganic acid is any one or a few in technical hydrochloric acid, industrial sulphuric acid and industrial nitric acid
Mixing.
Preferably, the dispensing ratio of the technical hydrochloric acid, industrial sulphuric acid and industrial nitric acid when being used in conjunction with is 2:
1.5:1。
Preferably, the temperature of acidleach is 150 DEG C -250 DEG C in step (4).
Further, the drying process in step (6) is to have acclive curve drying process, wherein when 0-1h, temperature
At the uniform velocity rise to 100 DEG C by 0 DEG C, 1-2h keeps the temperature 2h, and 4-6h temperature at the uniform velocity rises to 300 DEG C by 100 DEG C, when 6-7h, temperature by
300 DEG C rise to 400 DEG C, and 7-10h is kept the temperature, then natural cooling.
After adopting the above scheme, obtained by the present invention to have the beneficial effect that:
1. links will not generate toxic exhaust gas, waste water and dregs, remaining quartz tail sand is obtained after classification can be after
It is continuous to use.
2. use acid soak, it is easier to carry out after the metal oxide and hydrochloric acid, sulfuric acid, nitric acid reaction in quartz sand point
Grade.
3. using magnetic separation twice and classification, so that the impurity in raw material is less, obtained quartz sand is purer.
4. drying temperature is 200 DEG C -450 DEG C, using the drying mode with certain temperature curve, so that drying is more
Add thoroughly.
Specific embodiment
All features disclosed in this specification, in addition to mutually exclusive feature and other than, can group in any way
It closes.By embodiment, the present invention will be further described with reference to the accompanying drawing, and the embodiment of the present invention includes but is not limited to following
Embodiment.
Embodiment 1
A method of ceramic glaze quartz sand is produced using quartz tail sand, comprising the following steps:
(1) it washes: the quartz tail sand that granular size is 100-300 mesh being put into hydrocyclone cleaning, until surface does not have
Apparent dirt；
(2) first time magnetic separation: the obtained quartz tail sand cleaned up of step (1) is put into magnetic separator and is removed in material
Magnetic metal impurity；
(3) it is classified for the first time: going out the stone of 100-200 mesh and 200-300 mesh from the obtained quartz tail sand sub-argument of step (2)
It is dehydrated after English tailings spare；
(4) acidleach: quartz sand tailings raw material obtained in step (3) is respectively put into sand washing tube, while wherein
Even spreading inorganic acid adds and makes the concentration of solid-to-liquid ratio after water 40%, is added technical hydrochloric acid, industrial sulphuric acid and industrial nitric acid, and three
The ratio of person is 2:1.5:1, and the temperature of acidleach is 150 DEG C, and quartz sand 6 hours of standing can be cleaned to material pH=
7 then drying materials again.
(5) second of magnetic separation: the quartz tail sand that step (4) obtains is respectively put into again in magnetic separator and carries out magnetic separation, is removed
Remaining minority magnetic metal impurity.
(6) it is classified for second: isolating the quartz tail sand of 100-150 mesh again from step (5) obtained quartz tail sand.
It is dry: the material in step (6) to be sent into drying machine, drying temperature 400, drying time 10h；Wherein,
When 0-1h, temperature at the uniform velocity rises to 100 DEG C by 0 DEG C, and 1-2h keeps the temperature 2h, and 4-6h temperature at the uniform velocity rises to 300 DEG C by 100 DEG C, 6-
When 7h, temperature rises to 400 DEG C by 300 DEG C, and 7-10h is kept the temperature, then natural cooling.
(7) it packs: step (8) obtained quartz tail sand is packed.
Embodiment 2
A method of ceramic glaze quartz sand is produced using quartz tail sand, comprising the following steps:
(1) it washes: the quartz tail sand that granular size is 100-300 mesh being put into hydrocyclone cleaning, until surface does not have
Apparent dirt；
(2) first time magnetic separation: the obtained quartz tail sand cleaned up of step (1) is put into magnetic separator and is removed in material
Magnetic metal impurity；
(3) it is classified: being taken off after the quartz tail sand that step (2) obtained quartz tail sand filters out 100-200 mesh for the first time
Water is spare；
(4) acidleach: quartz sand tailings raw material is put into sand washing tube, while uniformly dispensing inorganic acid wherein, after adding water
So that technical hydrochloric acid, industrial sulphuric acid and industrial nitric acid is added 50% in the concentration of solid-to-liquid ratio, the ratio of three is 2:1.5:1, acid
The temperature of leaching is 200 DEG C, and quartz sand 6 hours of standing can be cleaned to material pH=7 then drying material again.
(5) second of magnetic separation: the quartz tail sand that step (4) obtains being placed into and carries out magnetic separation in magnetic separator, is removed remaining
A small number of magnetic metal impurities.
(6) it is classified for second: filtering out the quartz tail sand of 100-150 mesh from step (5) obtained quartz tail sand.
(7) dry: the material in step (6) to be sent into drying machine, drying temperature is 300 DEG C, drying time 6h；Its
In, when 0-1h, temperature at the uniform velocity rises to 100 DEG C by 0 DEG C, and 1-2h keeps the temperature 1h, and 3-5h temperature at the uniform velocity rises to 300 DEG C by 100 DEG C,
5-6h is kept the temperature, then natural cooling.
(8) it packs: step (8) obtained quartz tail sand is packed.
Claims (4)
1. a kind of method using quartz tail sand production ceramic glaze quartz sand, which comprises the following steps:
(1) it washes: the quartz tail sand that granular size is 100-300 mesh being put into hydrocyclone cleaning, until surface is not obvious
Dirt；
(2) the obtained quartz tail sand cleaned up of step (1) first time magnetic separation: is put into the magnetic in magnetic separator removing material
Property metal impurities；
(3) it is classified for the first time: going out the quartzy tail of 100-200 mesh and 200-300 mesh from the obtained quartz tail sand sub-argument of step (2)
It is dehydrated after sand spare；
(4) acidleach: quartz sand tailings raw material is respectively put into sand washing tube, while uniformly dispensing inorganic acid wherein, after adding water
So that in 40-50%, after inorganic acid is added, quartz sand standing 6-12h can be cleaned to material pH for the concentration of solid-to-liquid ratio
=6-7 and then again drying material；
(5) second of magnetic separation: the quartz tail sand that step (4) obtains is respectively put into again in magnetic separator and carries out magnetic separation, is removed remaining
A small number of magnetic metal impurities；
(6) it is classified for second: isolating the quartz tail sand of 100-150 mesh again from step (5) obtained quartz tail sand；
(7) dry: the material in step (6) to be sent into drying machine, drying temperature is 200-450 DEG C, drying time 6-
12h。
2. a kind of method using quartz tail sand production ceramic glaze quartz sand according to claim 1, feature exist
In the inorganic acid is any one or a few the mixed solution in technical hydrochloric acid, industrial sulphuric acid and industrial nitric acid.
3. a kind of method using quartz tail sand production ceramic glaze quartz sand according to claim 2, feature exist
In the dispensing ratio of the technical hydrochloric acid, industrial sulphuric acid and industrial nitric acid when being used in conjunction with is 2:1.5:1.
4. a kind of method using quartz tail sand production ceramic glaze quartz sand according to claim 2, feature exist
In the temperature of acidleach is 150 DEG C -250 DEG C in step (4).
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| CN201611020299.2A CN106629743B (en) | 2016-11-21 | 2016-11-21 | A method of ceramic glaze quartz sand is produced using quartz tail sand |
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| CN201611020299.2A CN106629743B (en) | 2016-11-21 | 2016-11-21 | A method of ceramic glaze quartz sand is produced using quartz tail sand |
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| CN106629743A CN106629743A (en) | 2017-05-10 |
| CN106629743B true CN106629743B (en) | 2019-06-07 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108383127A (en) * | 2018-04-28 | 2018-08-10 | 四川南联环资科技股份有限公司 | A kind of preparation method producing finished product ceramic glaze using quartz sand tailings |
| 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 |
| CN108620228B (en) * | 2018-04-28 | 2020-02-07 | 四川南联环资科技股份有限公司 | Process for treating quartz sand tailings and recycling quartz sand tailings |
| CN113578519A (en) * | 2021-07-26 | 2021-11-02 | 江苏火焰山干燥技术有限公司 | Tailing deep processing technology and intelligent system device thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101870474A (en) * | 2010-06-30 | 2010-10-27 | 长沙矿冶研究院 | Method for preparing quartz sand concentrate by mineral separation of desert aeolian sand |
| CN102674376A (en) * | 2012-04-19 | 2012-09-19 | 田辉明 | Production method of quartz tailing purification |
| CN103979546A (en) * | 2014-05-05 | 2014-08-13 | 临沂晟泉矿业有限公司 | Method for producing purified high-whiteness quartz sand and silica micropowder from quartz sand tailings |
-
2016
- 2016-11-21 CN CN201611020299.2A patent/CN106629743B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101870474A (en) * | 2010-06-30 | 2010-10-27 | 长沙矿冶研究院 | Method for preparing quartz sand concentrate by mineral separation of desert aeolian sand |
| CN102674376A (en) * | 2012-04-19 | 2012-09-19 | 田辉明 | Production method of quartz tailing purification |
| CN103979546A (en) * | 2014-05-05 | 2014-08-13 | 临沂晟泉矿业有限公司 | Method for producing purified high-whiteness quartz sand and silica micropowder from quartz sand tailings |
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