CN113713944A - Raw material treatment method for digital ceramic glaze ink - Google Patents
Raw material treatment method for digital ceramic glaze ink Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/20—Disintegrating members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
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- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
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- 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
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- Y02P40/00—Technologies relating to the processing of minerals
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Abstract
The invention discloses a method for processing raw materials for digital ceramic glaze ink, which comprises the following steps: selecting required natural mineral raw materials or rough processed mineral raw materials for preparing the digital ceramic glaze ink; respectively calcining various screened raw materials; mixing the various calcined raw materials according to a formula to obtain a mixture; sequentially grinding the mixture, removing iron, drying, crushing and grading; and sequentially calcining, crushing and grading the mixture subjected to grading treatment to obtain raw material powder. The raw material powder which can be directly used for preparing the digital ceramic glaze ink is obtained by the method; the powder has the characteristics of high purity and high grade; the calcined raw materials are easy to break, the grinding efficiency is improved, and the ink preparation time is shortened; the digital ceramic glaze ink prepared by the powder has the characteristics of good dispersibility and high stability in a dispersion system of an ink solvent.
Description
Technical Field
The invention relates to the technical field of ink, in particular to a method for processing raw materials for digital ceramic glaze ink.
Background
The architectural ceramics industry has developed to present day, and the pattern decoration of the ceramic tiles produced and manufactured by the architectural ceramics industry is basically popularized by adopting the decoration technology of digital ink-jet printing. The digital ink-jet printing has obvious advantages compared with the traditional silk-screen printing and rubber roller printing decoration, and particularly has incomparable advantages in the aspects of color decoration, replacement design and the like. With the popularization of ink-jet technology and the continuous improvement of requirements of ceramic enterprises on the decorative effect of products, the decoration of digital glaze gradually enters ceramic manufacturers, such as digital white ink which has higher whiteness, so that a part of traditional glaze can be replaced to cover the color of a blank with low whiteness, and the color development of decorative patterns is facilitated; in addition, after partial traditional glaze is replaced, the matching investment and management of the processing and performance adjusting glaze line equipment and personnel of the traditional glaze can be reduced. Therefore, the application and popularization of the digital ceramic glaze ink with special effects or functions become an important condition for ceramic production enterprises to move to modernization, science and technology and digitization, and ink companies are developing various digital ceramic glaze inks in the direction of meeting the demand.
The digital ceramic glaze ink is substantially the same as the raw materials used by the traditional ceramic glaze, and high-quality mineral raw materials are screened to prepare the digital ceramic glaze ink, or some special materials, such as various frits, are introduced to adjust the sintering performance of the digital ceramic glaze ink. However, the existing processing mode generally has the problems of high processing difficulty, high hardness of partial natural minerals, difficulty in crushing, particularly, the introduction of partial frits, the processing time which is very long and even up to 120 hours because of the large amount of frit particles at the end of the processing. At present, most of digital white glaze inks are prepared by using zirconium silicate or cerium oxide ceramic raw materials as main raw materials, and the raw materials are not obtained by processing natural mineral raw materials by an ink company, but are powder obtained by processing by upstream professional customers and are used as raw materials of the digital white glaze inks.
The raw materials for preparing the digital ceramic glaze ink have different particle requirements from the traditional ceramic glaze, and the fineness of the raw materials is generally required to be controlled below 1-5 mu m, so that the more natural minerals with higher hardness are introduced into the formula of the digital ceramic glaze ink, the greater the processing difficulty is, and the longer the ink preparation time is. The prepared ceramic ink has the advantages of wide particle range distribution, low particle size concentration, poor dispersibility and low stability of the material in an ink solvent system, easy layering of the ink material, inconvenient storage, influence on the jetting performance, easy blockage of a nozzle and final influence on production.
Accordingly, the prior art remains to be improved and developed.
Disclosure of Invention
In view of the technical defects, the invention provides a method for processing raw materials for digital ceramic glaze ink, and aims to solve the problems that when the existing raw materials are used for preparing the digital ceramic glaze ink, part of mineral raw materials are high in hardness, difficult to crush and long in ink preparation time.
Specifically, the technical scheme of the invention is as follows:
a method for processing raw materials for digital ceramic glaze ink comprises the following steps:
a, selecting required natural mineral raw materials or rough processed mineral raw materials for preparing the digital ceramic glaze ink;
b, respectively calcining various screened raw materials;
step C, mixing the various calcined raw materials according to a formula to obtain a mixture;
d, sequentially grinding the mixture, removing iron, drying, crushing and grading;
and E, sequentially calcining, crushing and grading the mixture treated in the step D to obtain raw material powder.
Optionally, the natural mineral raw material is selected from one or more of a feldspar raw material, a quartz raw material and a clay raw material;
alternatively, the raw mineral material is selected from one or more of a feldspar based material, a quartz sand based material, and a clay based material.
Optionally, in the step D, the process conditions of the grinding are as follows: and under the action of grinding balls, taking water as a medium, and carrying out wet grinding on the mixture, wherein the grain diameter of the grinding balls is 3-5 mm.
Optionally, in the step D, the particle size of the raw material after the grinding treatment is controlled to be 325 mesh below.
Optionally, in the step D, the size of the raw material particles after classification is controlled to be 200 meshes.
Optionally, in the step E, the calcining temperature is 900-1200 ℃.
Optionally, in the step E, the particle size of the raw material powder is controlled to be 10 μm or less.
A method for processing raw materials for digital ceramic glaze ink comprises the following steps:
selecting natural mineral raw materials or rough processed mineral raw materials which are required for preparing the digital ceramic glaze ink;
b', mixing the screened raw materials according to a formula respectively to obtain a mixture;
and step C', sequentially grinding the mixture, removing iron, drying, crushing, grading, calcining, crushing and grading to obtain raw material powder.
Optionally, in the step C', the process conditions of the grinding are as follows: and under the action of grinding balls, taking water as a medium, and carrying out wet grinding on the mixture, wherein the grain diameter of the grinding balls is 3-5 mm.
Optionally, in the step C', the temperature of the calcination is 1100 ℃ to 1200 ℃.
Has the advantages that: the invention provides a method for processing a digital ceramic glaze ink raw material, which is used for obtaining raw material powder which can be directly used for preparing digital ceramic glaze ink; the raw material powder obtained by the method has the characteristics of high purity and high grade; the calcined raw material is easy to break, so that the grinding efficiency is improved, and the ink preparation time is shortened; the digital ceramic glaze ink prepared from the raw material powder obtained by the method has the characteristics of good dispersibility, good uniformity and high stability in a dispersion system of an ink solvent, and is convenient for later storage and jet printing of an ink jet printer.
Drawings
FIG. 1 is a particle size distribution diagram of an ink after calcination and grinding according to an embodiment of the present invention.
Detailed Description
The invention provides a method for processing raw materials for digital ceramic glaze ink, which is further detailed in the following in order to make the purpose, technical scheme and effect of the invention clearer and clearer. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The embodiment of the invention provides a method for processing raw materials for digital ceramic glaze ink, which comprises the following steps:
s1, selecting the required natural mineral raw materials or rough processed mineral raw materials for preparing the digital ceramic glaze ink;
s2, respectively calcining the selected raw materials;
s3, blending the various calcined raw materials according to a formula to obtain a mixture;
s4, sequentially grinding the mixture, removing iron, drying, crushing and grading;
and S5, sequentially calcining, crushing and grading the graded mixture to obtain raw material powder.
The embodiment provides a method for processing a digital ceramic glaze ink raw material, and the method is used for obtaining raw material powder which can be directly used for preparing the digital ceramic glaze ink; the raw material powder obtained by the method has the characteristics of high purity and high grade; the calcined raw materials are easy to crush, so that the crushing efficiency is improved, and the ink preparation time is shortened; the digital ceramic glaze ink prepared from the raw material powder obtained by the method has the characteristics of good uniformity and high stability in a dispersion system of an ink solvent.
The screening in step S1 is because many natural mineral raw materials or raw processed mineral raw materials can be used for preparing the digital ceramic glaze ink, but the natural mineral raw materials or raw processed mineral raw materials cannot be used directly, and the requirements of the material for the digital ceramic glaze ink are higher than those of the traditional glaze, and natural mineral raw materials or raw processed mineral raw materials with high grade and less impurities need to be screened.
The natural mineral raw materials refer to raw materials directly purchased and transported from mines, and raw materials without any artificial treatment generally comprise feldspar, quartz and various clay raw materials (mainly comprising kaolin minerals, montmorillonite minerals, illite minerals and the like);
the raw mineral materials subjected to rough processing refer to simply crushed or washed raw materials, and generally include feldspar, quartz sand and clay.
In step S2, it should be noted that, instead of mixing the selected raw materials together and then calcining, the selected raw materials are calcined separately.
The calcination in step S2 is to perform high-temperature calcination on each of the selected raw materials. The high-temperature calcination is a method for thermally treating various selected raw materials by a physical method. For example, when the kaolin minerals are calcined at 900-1100 ℃ at a proper temperature, part or all of the hydroxyl groups on the surfaces of the kaolin minerals can be removed, and new stable phases such as mullite, cristobalite and the like are not formed yet, so that the elution amount of silicon and aluminum is the largest, and the kaolin minerals have great activity, thereby obtaining special physical and chemical properties. In addition, various selected raw materials contain certain moisture, and part of the raw materials also contain structural water, interlayer water and crystal water besides free water. After high-temperature calcination, free water, structural water, interlayer water and crystal water in the raw materials can be removed. In the high-temperature heating process of the raw material, free water, structural water, interlayer water and crystal water are discharged in succession, and the crystal lattice structure of hydrous minerals such as kaolin, clay and the like is destroyed, so that plasticity is lost to become a poor raw material. In the calcination process, besides discharging moisture in the minerals, carbon, sulfide and organic matters in the minerals are oxidized, and sulfate, carbonate and iron oxide are decomposed. The calcined raw material can lose weight, the purity is high, and the subsequent batching is more accurate.
For kaolin minerals, after high-temperature calcination, the original ordered lamellar crystal structure is changed into metakaolin with an unordered structure, so that part of groups in the inner layer of the original crystal are exposed. And because of the removal of crystal water, the types and the number of the surface active points are increased, so that the reaction activity is increased. In addition, the particle size of the calcined kaolin mineral is increased, the specific surface area is reduced, the adsorbability is reduced, but the surface energy is reduced, the dispersibility of the kaolin is improved, and the structure is loosened by amorphous formation, so that the kaolin mineral is beneficial to crushing and improving the dispersibility.
For clay minerals, the clay minerals lose crystal water when calcined at 800-850 ℃, the crystal structure is destroyed, the activity and whiteness are improved, and the dispersibility is good due to regular particle size.
By way of example, the process conditions for the high temperature calcination are as follows in table 1:
TABLE 1
The above parameters are only one example of the present invention, and are not exhaustive, as long as the purpose of calcining the raw material can be achieved, and the calcining temperature, calcining time, kiln length and type of kiln, and the manner of calcining the raw material can be changed, for example, a roller kiln is replaced by a shuttle kiln, etc.
In step S3, blending the calcined raw materials according to a formula, specifically, a single raw material may be selected from the calcined raw materials for blending, or a plurality of raw materials may be selected from the calcined raw materials for blending according to a formula, so as to obtain a desired formula mixture; besides the various calcined raw materials, other mineral chemical raw materials can be introduced into the formula for formula adjustment, such as calcite, wollastonite, zirconium silicate, calcined zinc oxide and the like. The digital ceramic glaze ink prepared from one or more raw materials is abundant, and the multiple raw materials cannot be directly mixed for preparing the ink, because different raw materials have different raw material attributes, particularly after the digital ceramic glaze ink is processed to the required fineness, the specific surface energy of the digital ceramic glaze ink is increased, and the performances of the digital ceramic glaze ink in a solvent dispersion system are different, so that the uniformity and the stability of the ink dispersion system can be influenced. After the processing of step S2 in this embodiment, the ingredients can be blended according to the recipe.
Preferably, when a plurality of raw materials are selected from various calcined raw materials and are proportioned according to the formula, the selected raw materials are all uniformly mixed at one time. Since the homogeneity of the raw material formulation is affected if mixed in batches.
In step S4, the mixture may be ground using a ball mill. The grinding may be performed by a dry method or a wet method. Preferably, the mixture is ground to a 325 mesh screen using a ball mill. Preferably, the mixture is subjected to wet grinding by using an aqueous medium under the action of grinding balls. More preferably, the grinding ball has a particle size of 3mm to 5mm, and is high alumina ball stone or zirconia beads.
The step S4 of removing iron refers to removing iron from the glaze slurry having reached the grinding fineness to improve the grade and whiteness of the raw materials. Preferably, iron removal is performed using an iron removal rod.
The drying in step S4 is to dry the iron-removed glaze slip by drying, draining, squeezing or the like to remove excess water in the glaze slip.
In step S4, the raw material is pulverized after being iron-removed and dried, and the pulverized raw material is classified according to the particle size. In this example, the size of the raw material particles after the pulverization and classification was controlled to be below the 200 mesh sieve, and the raw material particles on the 200 mesh sieve were recovered and continuously pulverized. Of course, the particle size of the crushed raw material does not need to be controlled below a 200-mesh sieve, and the particle size can be adjusted according to the performance requirements of different raw materials.
In step S5, the mixture processed in step S4 is again loaded into a sagger and calcined, and the raw material after the secondary calcination is subjected to secondary pulverization and classification. The high-temperature calcination is mainly used for fusing fine particles of various mixed raw materials into a raw material with a performance except for removing redundant water in the raw materials so as to improve the purity of the raw materials and the dispersion degree of the raw materials in an ink solvent system, thereby improving the stability of the digital ceramic glaze ink. Otherwise, the raw materials which are not subjected to secondary calcination grading are directly used for preparing the ink, and in a dispersion system of an ink solvent, particles of the raw materials still show the original attributes of the raw materials, so that the service performance and the stability of the digital ceramic glaze ink are influenced.
Further, the temperature of the secondary calcination is 900-1200 ℃.
Further, the time of the secondary calcination is 45-120 minutes.
Further, the particle diameter of the particles after the secondary pulverization and classification (i.e., the particle diameter of the obtained raw material powder) is controlled to 10 μm or less.
By way of example, the parameters of the raw material powder obtained by secondary calcination and secondary pulverization classification in this example, which can be directly used for preparing the digital ceramic glaze ink, are as follows:
TABLE 2
The embodiment of the invention provides another method for processing raw materials for digital ceramic glaze ink, which comprises the following steps:
s1', selecting the required natural mineral raw materials or rough processed mineral raw materials for preparing the digital ceramic glaze ink;
s2', mixing the screened raw materials according to the formula respectively to obtain a mixture;
s3', sequentially grinding the mixture, removing iron, drying, crushing, grading, calcining, crushing and grading to obtain raw material powder.
The first treatment method comprises two times of calcination, wherein the first time is to calcine selected raw materials separately, and the second time is to calcine the prepared mixture. In the embodiment, various selected raw materials are directly mixed, and the mixed materials are calcined. Compared with the first treatment method, the embodiment can obtain the uniform raw material powder for preparing the digital ceramic glaze ink only by calcining the formula mixture once, but needs to be crushed and graded for multiple times, and the performance of the actual formula raw material has a certain error with a theoretical value and needs to be corrected for multiple times in the later period.
In step S3', the mixture is further ground until the D50 of the mixture particles is 5-10 μm.
Further, under the action of grinding balls, an aqueous medium is adopted for wet grinding. Furthermore, the grain diameter of the grinding ball is 3 mm-5 mm, and the grinding ball is high alumina ball stone or zirconia beads.
Further, the drying temperature is 120-220 ℃.
Further, the drying time is as follows: 2-6 h.
Further, the mixture with the fineness of 80-120 meshes below is obtained through primary classification (namely classification before calcination).
Further, the calcining temperature is 1100-1200 ℃.
Further, the particle diameter of the particles after the secondary pulverization and classification (i.e., the particle diameter of the obtained raw material powder) is controlled to 10 μm or less.
The two methods for processing the raw materials provided by the embodiment of the invention have the following technical advantages:
1) the raw material powder obtained by the processing method provided by the embodiment of the invention has higher purity and better grade. The clay calcined by the embodiment of the invention can be directly used as a ball to be processed into ceramic ink without the problems of incapability of sieving, thixotropy of processed slurry and the like;
2) the raw material powder obtained by the processing method of the embodiment of the invention is used for preparing the digital ceramic glaze ink, the ignition loss does not need to be considered during the batching, the batching is more accurate and is closer to the theoretical formula value;
3) the raw material powder obtained by the processing method of the embodiment of the invention is used for preparing the digital ceramic glaze ink, so that the grinding efficiency can be improved, the ink preparation time can be shortened, the raw material before calcination needs 12-15 hours for grinding to the required fineness, and only 3 hours are needed after calcination, so that the grinding time is shortened;
4) the digital ceramic glaze ink prepared from the raw material powder obtained by the processing method of the embodiment of the invention has better dispersibility and more uniform and stable particle distribution, and is beneficial to the storage of the ink and the spraying performance of an ink jet machine. The uncalcined raw material is severely agglomerated during grinding, can not be sieved and is difficult to continue processing.
The invention is further illustrated by the following specific examples.
Example 1
According to the mass percentage, 80 percent of calcined clay, 5 percent of zirconium silicate, 2 percent of zinc oxide and 13 percent of calcined potassium sand are selected for proportioning and uniformly mixed to obtain a mixture, and the mixture is put into balls to be ground into glaze slurry and dried by removing iron. And crushing and grading the dried mixture, feeding the mixture into a sagger by adopting a 200-mesh sieve, calcining the mixture for 90 minutes at the high temperature of 1200 ℃ by adopting a shuttle kiln, taking out the calcined material, and crushing and grading the calcined material again to obtain the raw material powder for preparing the ceramic ink. The specific parameters are as follows:
the material preparation parameters are as follows: 240g of calcined clay, 15g of zirconium silicate, 6g of zinc oxide and 39g of calcined potassium sand;
grinding time: 15 minutes;
drying temperature: 125 ℃;
drying time: 6 h;
primary particle classification: sieving with 200 meshes;
and (3) secondary particle classification: less than 10 μm.
The clay before calcination in this example contains more organic matters and other impurities, and after high-temperature calcination, grinding and iron removal, the purity of the clay changes, the iron content is also reduced, the taste is improved, and the detection result is shown in table 3 below:
TABLE 3
| Raw materials | IL | SiO2 | Al2O3 | K2O | Na2O | CaO | MgO | Fe2O3 | TiO2 | Total amount of |
| Before calcination | 10.82 | 53.08 | 31.47 | 2.28 | 0.15 | 0.21 | 1.36 | 0.52 | 0.03 | 99.92 |
| After calcination | 0 | 59.84 | 35.48 | 2.57 | 0.17 | 0.24 | 1.53 | 0.13 | 0.03 | 99.99 |
The preparation of the digital ceramic glaze ink was carried out using the raw material powder obtained after calcination and grinding in this example: the ink was prepared by mixing the raw material powder obtained in this example with a solvent (solvent 1, solvent 2, dispersant and anti-settling agent). Specifically, the ink was prepared according to the formulations shown in the following table 4 (solvent formulation) and table 5 (ink formulation).
TABLE 4
TABLE 5
| Name (R) | Solvent formulation | Raw material powder |
| Proportion of materials (mass ratio meter) | 60 | 40 |
TABLE 6
| Ink performance | Viscosity of the oil | Surface tension | Solid content | D10 | D50 | D90 | Specific surface area |
| Ink parameters | 20mpas | 27mN/m | 40％ | 228nm | 374nm | 615nm | 1718m2/kg |
The ink performance test results obtained by the formula are shown in table 6, and the particle size distribution of the ink is as follows: d (10)228 nm; d (50)374 nm; d (90)615nm, and the particle size distribution diagram is shown in figure 1, and as can be seen from figure 1, the particle size distribution is concentrated, the range is narrow, the size difference span of particles is not large, uniform dispersion and stability in an ink solvent system are facilitated, and precipitation and agglomeration are not easy to occur.
Example 2
According to the mass percentage, 60% of natural clay, 15% of potassium feldspar and 25% of albite are selected for proportioning to obtain a mixture, the mixture is put into balls for grinding and then deironing and drying are carried out, after primary crushing and grading, the material with a 120-mesh sieve is put into a sagger, and the sagger is calcined for 120 minutes at the high temperature of 1200 ℃ by adopting a shuttle kiln. And crushing and grading the calcined material to obtain the powder for preparing the ceramic ink. The specific parameters are as follows:
the material preparation parameters are as follows: 180g of natural clay, 45g of potassium feldspar and 75g of albite;
grinding time: 15 minutes;
drying temperature: 125 ℃;
drying time: 6 h;
primary particle classification: sieving with a 120-mesh sieve;
and (3) secondary particle classification: less than 10 μm.
It is to be understood that the invention is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the invention as defined by the appended claims.
Claims (10)
1. A method for processing raw materials for digital ceramic glaze ink is characterized by comprising the following steps:
a, selecting required natural mineral raw materials or rough processed mineral raw materials for preparing the digital ceramic glaze ink;
b, respectively calcining various screened raw materials;
step C, mixing the various calcined raw materials according to a formula to obtain a mixture;
d, sequentially grinding the mixture, removing iron, drying, crushing and grading;
and E, sequentially calcining, crushing and grading the mixture treated in the step D to obtain raw material powder.
2. The method for processing raw materials for digital ceramic glaze ink according to claim 1, wherein the natural mineral raw materials are selected from one or more of feldspar type raw materials, quartz type raw materials, and clay type raw materials;
alternatively, the raw mineral material is selected from one or more of a feldspar based material, a quartz sand based material, and a clay based material.
3. The method for processing raw materials of digital ceramic glaze ink as claimed in claim 1, wherein in the step D, the grinding process conditions are as follows: and under the action of grinding balls, taking water as a medium, and carrying out wet grinding on the mixture, wherein the grain diameter of the grinding balls is 3-5 mm.
4. The method for processing raw material for digital ceramic glaze ink as claimed in claim 1, wherein in step D, the particle size of the ground raw material is controlled under 325 mesh.
5. The method for processing raw materials for digital ceramic glaze ink as claimed in claim 1, wherein in step D, the particle size of the classified raw materials is controlled under 200 mesh.
6. The method for processing the raw material of the digital ceramic glaze ink as set forth in claim 1, wherein the calcining temperature in the step E is 900-1200 ℃.
7. The method for processing a raw material for digital ceramic glaze ink as set forth in claim 1, wherein in the step E, the particle size of the raw material powder is controlled to be 10 μm or less.
8. A method for processing raw materials for digital ceramic glaze ink is characterized by comprising the following steps:
selecting natural mineral raw materials or rough processed mineral raw materials which are required for preparing the digital ceramic glaze ink;
b', mixing the screened raw materials according to a formula respectively to obtain a mixture;
and step C', sequentially grinding the mixture, removing iron, drying, crushing, grading, calcining, crushing and grading to obtain raw material powder.
9. The method for processing raw materials of digital ceramic glaze ink as claimed in claim 8, wherein in the step C', the grinding process conditions are as follows: and under the action of grinding balls, taking water as a medium, and carrying out wet grinding on the mixture, wherein the grain diameter of the grinding balls is 3-5 mm.
10. The method for processing raw materials for digital ceramic glaze ink as claimed in claim 8, wherein the temperature of the calcination in the step C' is 1100 ℃ to 1200 ℃.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115286247A (en) * | 2022-07-05 | 2022-11-04 | 广东精英无机材料有限公司 | Preparation method and application of key glaze element of digital glaze ink |
| CN115286247B (en) * | 2022-07-05 | 2023-11-03 | 广东精英无机材料有限公司 | Preparation method and application of key glaze element of digital glaze ink |
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