CN108940577A - A kind of manufacture craft of the silica flour of ceramic tile - Google Patents
A kind of manufacture craft of the silica flour of ceramic tile Download PDFInfo
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- CN108940577A CN108940577A CN201810267480.6A CN201810267480A CN108940577A CN 108940577 A CN108940577 A CN 108940577A CN 201810267480 A CN201810267480 A CN 201810267480A CN 108940577 A CN108940577 A CN 108940577A
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- silica flour
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- quartz
- ceramic tile
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- 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
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Abstract
The invention discloses a kind of manufacture crafts of the silica flour of ceramic tile, it is processed including carrying out the lesser quartz mine of content that is tentatively broken and filtering out di-iron trioxide and aluminium oxide by the content of detector impurity to quartz mine first, it recycles ball mill to carry out careful grinding to quartz mine and obtains silica flour, the standard compliant silica flour of size is by wet high-intensity magnetic machine to the bloodstone in silica flour, the weak magnetics impure mineral such as limonite and biotite is purged, the preliminary content for reducing the iron in silica flour, ultrasonic technology is recycled to carry out secondary removal of impurities to it, iron and other impurities between silica flour surface and particle gap is purged, finally to silica flour removing chloride ion, nitrate ion and fluorine ion are simultaneously dried, obtain the careful silica flour produced for ceramic tile, silica flour iron-content is 0.03% To 0.04%, iron-content is lower, is suitable for production ceramic tile.
Description
Technical field
The present invention relates to the manufacture technology field of silica flour more particularly to a kind of manufacture crafts of the silica flour of ceramic tile.
Background technique
In ceramic industry, silica flour primarily as porcelain embryo material and glaze, kiln high silica brick, common silica brick and
The raw material of silicon carbide etc..The quartz sand first requirement of ceramic tile is fineness.Generally 60 mesh are wanted hereinafter, more thinner better.Wide requirement
Also 40 mesh or less are wanted.It secondly is exactly whiteness, this can be measured with iron-content, and general Imitation Rock Porcelain Tiles require iron content (di-iron trioxide)
0.1% hereinafter, the factory for doing polished bricks require 0.06 or less just can be with, if this grade, fineness, can below 100 mesh
To sell for 250-280, glazed tile generally require 0.3% hereinafter, selling price about 50-100.Currently, quartz sand is applied in ceramics
Make product dilation when the big problem of raw material is firing in industry and is easy very much cracking greatly.For this purpose, inventor to this problem into
Research is gone, discovery, which solves this problem, is: the quartz sand particle compositing factor of firing is main cause.Quartz sand only has densification
Sand particles can just be applied to ceramic raw material, because only that this stone could manufacture in firing completely heat-staple green compact and
With fine and close ceramic body.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of silica flour of the ceramic tile proposed
Manufacture craft.
To achieve the goals above, present invention employs following technical solutions:
A kind of manufacture craft of the silica flour of ceramic tile, comprising the following steps:
(1), quartz mine be tentatively crushed using impact breaker, washing desliming is carried out to quartz mine, utilizes sieve
Mesh screen selects the quartz particles that diameter is less than 1cm, and the quartz particles screened are tested with the content of wherein impurity, impurity packet
Di-iron trioxide and aluminium oxide etc. are included, and judges whether the content of the di-iron trioxide in quartz particles is greater than 0.15%, aluminium oxide
Content whether be greater than 1.5%；
(2), for the content of di-iron trioxide less than 0.15%, and quartz particles of the content of aluminium oxide less than 1.5%, it is put
Enter in reaction kettle, acid solution be added into reaction kettle, and be stirred to quartz particles, then filter out acid solution, then to reaction after
Quartz particles carry out flotation, washing quartz particles to neutrality after flotation be spare after centrifugal dehydration；
Quartz of the content of quartz particles or aluminium oxide for the content of di-iron trioxide greater than 0.15% greater than 1.5%
Grain, puts it into reaction kettle, acid solution is added into reaction kettle, and be stirred to quartz particles, until three in quartz particles
The content of two iron is aoxidized less than 0.15%, and then the content of aluminium oxide filters out acid solution less than 1.5%, then quartz particles are washed
It washs to neutrality, it is spare after centrifugal dehydration；
(3), it by (2) acquired results, first uses diameter for the ball mill of the abrading-ball of 15mm to 50mm, ball milling is carried out to quartz particles
Afterwards, it then uses diameter for the ball mill secondary ball milling of the abrading-ball of 5mm to 25mm, grinding aid is added in the process and carries out grinding aid, and obtains
It is screened to silica flour, and by the sieve of 100 mesh to 250 mesh；
(4), by (3) acquired results, using Wet-type strong magnetic separator to weak magnetics such as bloodstone, limonite and biotite in silica flour
Property impure mineral be purged, wet high-intensity magnetic machine select 10000 Ao Tesi or more specifications.
(5), (4) acquired results are put into reaction kettle, water are added, and use ultrasonic technology, to silica flour surface and
Iron and other impurities between particle gap is purged, and dispersing agent is added in the process, and the processing time is 10min to 20min；
(6), it is dehydrated after (5) acquired results being washed with water to neutrality, adds deionized water or electronic grade ultrapure water carries out, when
It dehydrates, then separates therein after the total content of chloride ion, nitrate ion and fluorine ion is less than 0.005% in silica flour
The silica flour of 100 mesh to 250 mesh and 250 mesh to 400 mesh；Or wherein 100 mesh to 250 mesh and 250 mesh are first separated to 400
Purpose silica flour, adds deionized water or electronic grade ultrapure water carries out, when chloride ion, nitrate ion and fluorine in silica flour
The total content of ion less than 0.005% after dehydrate.
Preferably, after filtering out quartz particles in the step (1), quartz particles are ground using grinder after sampling,
And screened with 40 mesh screens, silica flour sample is obtained, then be with clear water rinsing dehydration moisture content into silica flour sample
5% to 10%, then the impurity content in quartz particles is measured using inductively coupled plasma atomic emission spectrometry.
Preferably, the method for floating in the step (2) is specific as follows: using petroleum sodium sulfonate and kerosene as capturing agent, with
Hydrofluoric acid is activator, sodium hydroxide is added to inhibit by the quartz of metal ion activation, (range of pH is 2 under highly acid
To the iron floatingly selected under conditions of 3) in quartz particles.
Preferably, acid solution is combined using one or more of hydrochloric acid, sulfuric acid, nitric acid and oxalic acid in the step (2)
Acid solution.
Preferably, the material of abrading-ball is all made of alumina ball in the step (3).
Preferably, in the step (3) grinding aid be ferric nitrate and potassium xanthate mixed solution, ferric nitrate and xanthic acid
The ratio of both potassium is 1:1, and the mixed solution volume range of ferric nitrate and potassium xanthate is 0.5% to 1%.
Preferably, mixed solvent of the dispersing agent using stearmide and higher alcohol, dosage (quality point in the step (4)
Number) range is 0.3% to 0.8%.
Preferably, after the step (6) isolates 100 mesh to 250 mesh silica flours, remaining silica flour is sieved again,
The silica flour for collecting 250 mesh to 400 mesh is crushed to 500 mesh to 800 mesh or 800 mesh extremely using Counter-impact flow pulverizer
Varigrained ultrafine quartz powder is made in 1500 mesh or smaller particle.
The beneficial effects of the present invention are:
Compared with prior art, the present invention provides a kind of manufacture crafts of the silica flour of ceramic tile, first to quartz mine into
The preliminary lesser quartz mine of content for being crushed and di-iron trioxide and aluminium oxide being filtered out by the content of detector impurity of row
Stone is processed, and is recycled ball mill to carry out careful grinding to quartz mine and is obtained silica flour, the standard compliant silica flour of size
The weak magnetics impure minerals such as bloodstone, limonite and biotite in silica flour are purged by wet high-intensity magnetic machine, tentatively
The content of the iron in silica flour is reduced, ultrasonic technology is recycled to carry out secondary removal of impurities to it, silica flour surface and particle are stitched
Iron between gap and other impurities is purged, and finally to silica flour removing chloride ion, nitrate ion and fluorine ion and is carried out
It is dry, the careful silica flour produced for ceramic tile is obtained, composition detection is shown, the silica flour iron-content of this technique manufacture exists
0.03% to 0.04%, much higher than the requirement of iron-content needed for doing polished bricks.
Detailed description of the invention
Fig. 1 is a kind of each impurity component ratio of quartz mine of the manufacture craft of the silica flour of ceramic tile proposed by the present invention
Table；
Fig. 2 is gained each impurity of silica flour in a kind of embodiment 1 of the manufacture craft of the silica flour of ceramic tile proposed by the present invention
Component ratio table；
Fig. 3 is gained each impurity of silica flour in a kind of embodiment 2 of the manufacture craft of the silica flour of ceramic tile proposed by the present invention
Component ratio table；
Fig. 4 is gained each impurity of silica flour in a kind of embodiment 3 of the manufacture craft of the silica flour of ceramic tile proposed by the present invention
Component ratio table.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Embodiment 1
The present embodiment provides a kind of manufacture crafts of the silica flour of ceramic tile
Choose quartz mine first, quartz mine is carried out first with impact breaker it is tentatively broken, to quartz mine into
Row washing desliming, filters out the quartz particles that diameter is less than 1cm using sieve, recycles inductively coupled plasma body atomic emissions
Spectroscopic methodology is measured each element in quartz particles, and quartz particles are put into reaction kettle by measurement result such as Fig. 1, and to anti-
It answers and hydrochloric acid is added in kettle, and reaction kettle inside is stirred, constantly reduce the di-iron trioxide and aluminium oxide in quartz particles
Equal impurity repeat pickling until the content of the di-iron trioxide in quartz particles is less than 0.15%, and the content of aluminium oxide is less than
1.5%, for primary election di-iron trioxide content less than 0.15%, and adaptation particle of the content of aluminium oxide less than 1.5%, with stone
Oily sodium sulfonate and kerosene are capturing agent, and using hydrofluoric acid as activator, sodium hydroxide is added to inhibit by the stone of metal ion activation
English, the iron floatingly selected under conditions of (pH 2) in quartz particles under highly acid will be in quartz particles by preliminary flotation
Iron is tentatively sifted out, and then first uses diameter for the ball mill of the abrading-ball of 15mm to 50mm above-mentioned resulting quartz particles,
Ball milling is carried out to quartz particles, wherein ore pulp is mainly made of silica flour and water, and sphere volume accounts for ball mill 2/3rds, ball milling
Quartz mine accounts for the one third of sphere volume, and ball proportion is as follows: 40mm ball accounts for 60%, 30mm ball and accounts for 40%, and ball milling concentration is in 55wt%
To 75wt%, drum's speed of rotation is set in 50 revs/min to 70 revs/min, and 60 revs/min are used in the present embodiment, is selected again after ball milling
20mm ball accounts for 60%, 10mm ball and accounts for 40% bottom end ball with quartz particles progress ball milling is compared, and ball milling concentration is in 55wt% to 75wt%, ball
Mill speed is set in 60 revs/min, and the mixed solution that ferric nitrate and potassium xanthate are added in the process is used as grinding aid, ferric nitrate with
The ratio of both potassium xanthates is 1:1, and the mixed solution volume of ferric nitrate and potassium xanthate is 0.6%, due to grinding aid agent molecule
It is adsorbed on the crackle of surface of material, reduces the surface free energy of crackle, the remaining valence link and charge on equilibrium crack surface are kept away
Exempt from the healing of crackle, to be conducive to the extension of crackle, improves the brittleness of material.Therefore, grinding aid is during crushing material
Play the role of weakening solid intensity, makes crushing material be easy to carry out, be conducive to the raising of grinding fineness and mill efficiency, so
It is screened again by the sieve of 100 mesh to 250 mesh afterwards, Wet-type strong magnetic separator is added in the silica flour obtained after screening, and wet type is strong
Magnetomechanical selects the specification of 15000 Ao Tesi, remaining silica flour continuously adds ball mill and carries out further ball milling, strong using wet type
Silica flour after magnetic separator is purged the weak magnetics impure minerals such as bloodstone, limonite and biotite in silica flour is added
In reaction kettle, the iron and other impurities between silica flour surface and particle gap is purged using ultrasonic technology after washing,
Dispersing agent is added in the process, dispersing agent uses the mixed solvent of stearmide and higher alcohol, and the two matches 1:1, dosage (quality point
Number) for model 0.5%, the processing time is 12min, ultrasonic wave is mainly the secondary iron thin film for removing silica flour surface except iron, and irony is thin
Film is firmly combined, it cannot be made to be kept completely separate out during carrying out ball milling by ball mill, is wiped with simple machinery
Method is compared, and ultrasonic wave can not only eliminate silica flour surface impurity except iron, and can between eliminating particle at gap other are miscellaneous
Matter, de-ferrous effect is more preferable, is dehydrated after resulting silica flour is finally washed with water to neutrality, adds deionized water or electron level
Ultrapure water carry out, when chloride ion, nitrate ion and fluorine ion in silica flour total content less than 0.005% after dehydrate,
After isolating 100 mesh to 250 mesh silica flours, remaining silica flour is sieved again, collects the silica flour of 250 mesh to 400 mesh, benefit
500 mesh to 800 mesh or 800 mesh are crushed to 1500 mesh or smaller particle with Counter-impact flow pulverizer, and different grains are made
The ultrafine quartz powder of degree, the silica flour finally obtained is using inductively coupled plasma atomic emission spectrometry to each in silica flour
Element is measured, measurement result such as Fig. 2.
Embodiment 2
The present embodiment provides a kind of manufacture crafts of the silica flour of ceramic tile
The present embodiment using Wet-type strong magnetic separator to weak magnetic impurity mines such as bloodstone, limonite and biotite in silica flour
It after object is purged, is dehydrated after being directly washed with water to neutrality, adds deionized water or electronic grade ultrapure water carries out, work as quartz
It is dehydrated after the total content of chloride ion, nitrate ion and fluorine ion is less than 0.005% in powder, then silica flour is sieved
Point, other steps are same as Example 1, measurement result such as Fig. 3.
Embodiment 3
The present embodiment provides a kind of manufacture crafts of the silica flour of ceramic tile
Ball proportion is as follows in step (3) for the present embodiment: 45mm ball accounts for 60%, 25mm ball and accounts for 40%, ball milling concentration 55wt% extremely
75wt%, drum's speed of rotation are set in 60 revs/min, select 25mm ball to account for 60%, 15mm ball after ball milling again and account for 40% bottom end ball proportion
Ball milling is carried out to quartz particles, for ball milling concentration in 55wt% to 75wt%, drum's speed of rotation is set in 60 revs/min, finds after test
The efficiency of quartz particles grinding is substantially reduced, compared with Example 1, at least to be ground one time using ball mill, other steps more
Rapid same as Example 1, measurement result such as Fig. 4.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of manufacture craft of the silica flour of ceramic tile, which comprises the following steps:
S1, quartz mine be tentatively crushed using impact breaker, washing desliming is carried out to quartz mine, utilizes sieve
The quartz particles that diameter is less than 1cm are filtered out, the quartz particles screened are tested with the content of wherein impurity, impurity includes
Di-iron trioxide and aluminium oxide etc., and judge whether the content of the di-iron trioxide in quartz particles is greater than 0.15%, aluminium oxide
Content whether be greater than 1.5%；
S2, for di-iron trioxide content less than 0.15%, and quartz particles of the content of aluminium oxide less than 1.5%, by it
It is put into reaction kettle, acid solution is added into reaction kettle, and be stirred to quartz particles, then filters out acid solution, then to reaction
Quartz particles afterwards carry out flotation, and washing quartz particles to neutrality after flotation is spare after centrifugal dehydration；
The content of quartz particles or aluminium oxide for the content of di-iron trioxide greater than 0.15% is greater than 1.5% quartz
Particle is put it into reaction kettle, acid solution is added into reaction kettle, and be stirred to quartz particles, until in quartz particles
The content of di-iron trioxide is less than 0.15%, and then the content of aluminium oxide filters out acid solution less than 1.5%, then by quartzy
Grain washing is spare after centrifugal dehydration to neutrality；
S3, by S2 acquired results, first use diameter for the ball mill of the abrading-ball of 15mm to 50mm, to quartz particles carry out ball milling
Afterwards, it then uses diameter for the ball mill secondary ball milling of the abrading-ball of 5mm to 25mm, grinding aid is added in the process and carries out grinding aid, and obtains
It is screened to silica flour, and by the sieve of 100 mesh to 250 mesh；
S4, by S3 acquired results, using Wet-type strong magnetic separator to weak magnetics such as bloodstone, limonite and biotite in silica flour
Impure mineral is purged, and wet high-intensity magnetic machine selects 10000 Ao Tesi or more specifications；
S5, S4 acquired results are put into reaction kettle, water are added, and use ultrasonic technology, silica flour surface and particle is stitched
Iron between gap and other impurities is purged, and dispersing agent is added in the process, and the processing time is 10min to 20min；
S6, it is dehydrated after S5 acquired results are washed with water to neutrality, adds deionized water or electronic grade ultrapure water carries out, work as stone
It dehydrates, then separates therein after the total content of chloride ion, nitrate ion and fluorine ion is less than 0.005% in English powder
The silica flour of 100 mesh to 250 mesh and 250 mesh to 400 mesh；Or wherein 100 mesh to 250 mesh and 250 mesh are first separated to 400
Purpose silica flour, adds deionized water or electronic grade ultrapure water carries out, when chloride ion, nitrate ion and fluorine in silica flour
The total content of ion less than 0.005% after dehydrate.
2. a kind of manufacture craft of the silica flour of ceramic tile according to claim 1, which is characterized in that in the step S1
After filtering out quartz particles, quartz particles are ground using grinder after sampling, and is screened with 40 mesh screens, quartz is obtained
Powder sample, then being dehydrated into silica flour sample moisture content with clear water rinsing is 5% to 10%, then uses inductively coupled plasma
Body atomic emission spectrometry is measured the impurity content in quartz particles.
3. a kind of manufacture craft of the silica flour of ceramic tile according to claim 1, which is characterized in that floating in step S2
Choosing method is specific as follows: using petroleum sodium sulfonate and kerosene as capturing agent, using hydrofluoric acid as activator, sodium hydroxide is added to inhibit
By the quartz of metal ion activation, the iron in quartz particles is floatingly selected under conditions of (range of pH be 2 to 3) under highly acid.
4. a kind of manufacture craft of the silica flour of ceramic tile according to claim 1, which is characterized in that acid solution in step S2
Acid solution is combined using one or more of hydrochloric acid, sulfuric acid, nitric acid and oxalic acid.
5. a kind of manufacture craft of the silica flour of ceramic tile according to claim 1, which is characterized in that abrading-ball in step S3
Material be all made of alumina ball.
6. a kind of manufacture craft of the silica flour of ceramic tile according to claim 1, which is characterized in that in the step S3
Grinding aid is the mixed solution of ferric nitrate and potassium xanthate, and the ratio of both ferric nitrate and potassium xanthate is 1:1, and ferric nitrate and
The mixed solution volume range of potassium xanthate is 0.5% to 1%.
7. a kind of manufacture craft of the silica flour of ceramic tile according to claim 1, which is characterized in that in the step S4
Dispersing agent uses the mixed solvent of stearmide and higher alcohol, and dosage (mass fraction) range is 0.3% to 0.8%.
8. a kind of manufacture craft of the silica flour of ceramic tile according to claim 1, which is characterized in that the step S6 points
After separating out 100 mesh to 250 mesh silica flours, remaining silica flour is sieved again, collects the silica flour of 250 mesh to 400 mesh, is utilized
Counter-impact flow pulverizer is crushed to 500 mesh to 800 mesh or 800 mesh to 1500 mesh or smaller particle, and different grain size is made
Ultrafine quartz powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810267480.6A CN108940577A (en) | 2018-03-28 | 2018-03-28 | A kind of manufacture craft of the silica flour of ceramic tile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810267480.6A CN108940577A (en) | 2018-03-28 | 2018-03-28 | A kind of manufacture craft of the silica flour of ceramic tile |
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| Publication Number | Publication Date |
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| CN108940577A true CN108940577A (en) | 2018-12-07 |
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| CN201810267480.6A Withdrawn CN108940577A (en) | 2018-03-28 | 2018-03-28 | A kind of manufacture craft of the silica flour of ceramic tile |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109884036A (en) * | 2019-03-08 | 2019-06-14 | 国家硅材料深加工产品质量监督检验中心东海研究院 | A kind of sampling method using microelement in inductive coupling plasma emission spectrograph measurement quartz |
| CN111530625A (en) * | 2020-05-27 | 2020-08-14 | 贺州市骏鑫矿产品有限责任公司 | Preparation method of 80-mesh and 200-mesh potassium feldspar dry powder |
-
2018
- 2018-03-28 CN CN201810267480.6A patent/CN108940577A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109884036A (en) * | 2019-03-08 | 2019-06-14 | 国家硅材料深加工产品质量监督检验中心东海研究院 | A kind of sampling method using microelement in inductive coupling plasma emission spectrograph measurement quartz |
| CN111530625A (en) * | 2020-05-27 | 2020-08-14 | 贺州市骏鑫矿产品有限责任公司 | Preparation method of 80-mesh and 200-mesh potassium feldspar dry powder |
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Application publication date: 20181207 |