CN114057397B - Micro-light treatment method for surface of fine dry particle rock plate - Google Patents
Micro-light treatment method for surface of fine dry particle rock plate Download PDFInfo
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- CN114057397B CN114057397B CN202111241338.2A CN202111241338A CN114057397B CN 114057397 B CN114057397 B CN 114057397B CN 202111241338 A CN202111241338 A CN 202111241338A CN 114057397 B CN114057397 B CN 114057397B
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
- C03C8/02—Frit compositions, i.e. in a powdered or comminuted form
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
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- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/5022—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with vitreous materials
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- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/81—Coating or impregnation
- C04B41/85—Coating or impregnation with inorganic materials
- C04B41/86—Glazes; Cold glazes
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
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Abstract
The invention discloses a micro-light treatment method for the surface of a fine dry particle rock plate. The method comprises the following steps: pressing the rock plate base material into a green brick; applying surface glaze on the surface of the green brick; printing a design pattern on the surface of the green brick after the overglaze is applied by ink jet; printing design patterns on the surface Shi Ganli of the green brick by ink jet; the mineral composition of the dry granular glaze comprises: 13 to 18 percent of high-temperature dry granules in percentage by mass; low temperature dry granules 3~5%; 1.5 to 2.5 percent of high-temperature satin glaze; and sintering the green brick after the dry grain glaze is applied to obtain the fine dry grain rock plate with a glimmer surface. The method enables the kiln-out product to form a frosted glaze surface by adjusting the composition of the dry granular glaze.
Description
Technical Field
The invention relates to a micro-light treatment method for the surface of a fine dry particle rock plate, belonging to the field of ceramic tile production and processing.
Background
Along with the popularization and application of the rock plate in the decorative material, people put higher requirements on the rock plate applied to home decoration, and the conventional satin rock plate and the polished surface rock plate cannot meet the application of the decorative material. In recent years, the appearance characteristics of the ceramic product with fine dry particle glaze in the market of rock plate furniture are represented by ultrafine particle frosted glaze. In addition, the fine texture of the ceramic product with the fine dry grain glaze improves the grade of rock plate decoration, and is accepted by consumers, but the defects that the dry grain products are easy to store dirt and contain dirt in the use process, the product taken out of a kiln has rough hand feeling, large gloss difference and poor anti-skid performance due to the fact that dry grains are unevenly stacked and gaps among the high-temperature dry grains are invisible to naked eyes still exist. These performance deficiencies have led to a market penetration of fine dry glazed ceramic products.
Disclosure of Invention
Aiming at the problems, the invention provides a method for treating the shimmer on the surface of a fine dry particle rock plate, which enables a kiln-out product to form a frosted glaze surface by adjusting the composition of dry particle glaze, and adjusts the unsmooth dry particle glaze surface after sintering into the distribution of the adjacent dry particle with the interval close to the micron level by using a light brush, so that the obtained dry particle surface product is not easy to hide dirt, the glossiness of the glaze surface is 6-8 degrees, the light is irradiated on the glaze surface to form uniform diffuse reflection, a comfortable and warm human living environment can be created, the texture of the glaze surface is finer and smoother, and the high-grade feeling of the rock plate is increased.
In a first aspect, the invention provides a method for micro-light treatment of the surface of a fine dry rock plate. The method comprises the following steps: pressing the rock plate base material into green bricks;
applying surface glaze on the surface of the green brick;
printing a design pattern on the surface of the green brick after the overglaze is applied by ink jet;
printing design patterns on the surface Shi Ganli of the green brick by ink jet; the mineral composition of the dry granular glaze comprises: 13-18% of high-temperature dry granules in percentage by mass; 3-5% of low-temperature dry granules; 1.5 to 2.5 percent of high-temperature satin glaze;
and sintering the green brick after the dry grain glaze is applied to obtain the fine dry grain rock plate with a glimmer surface.
Preferably, the chemical composition of the dry particle glaze comprises: in terms of mass percent, siO 2 ：55～57％、Al 2 O 3 :17 to 19%, alkaline earth metal oxide: 14 to 18%, alkali metal oxide: 4 to 6%, znO:3 to 4 percent.
Preferably, the initial melting temperature of the high-temperature dry granules is 920-950 ℃; preferably, the chemical composition of the high temperature dry pellets comprises: by mass percent, siO 2 ：56～58％、Al 2 O 3 :18 to 20%, alkaline earth metal oxide: 13 to 17%, alkali metal oxide: 4 to 6%, znO:3 to 4 percent. The high-temperature dry particles have high silicon content, low aluminum content and more high-temperature flux, are beneficial to gas discharge, and promote the obtainment of dry particle glaze surfaces with better texture.
Preferably, the initial melting temperature of the low-temperature dry granules is 900-930 ℃; preferably, the chemical composition of the low temperature dry pellets comprises: in terms of mass percent, siO 2 ：52～54％、Al 2 O 3 :16 to 18%, alkaline earth metal oxide: 15 to 19%, alkali metal oxide: 6-8%, znO:3 to 4 percent.
Preferably, the initial melting temperature of the high-temperature satin glaze is 870-900 ℃; preferably, the chemical composition of the high-temperature satin glaze comprises: by mass percent, siO 2 ：49～51％、Al 2 O 3 :18 to 20%, alkaline earth metal oxide: 19 to 22%, alkali metal oxide: 4 to 6 percent. The high-temperature satin glaze, the high-temperature dry particles and the low-temperature dry particles are combined to form the dry particle glaze, so that the exhaust effect on a blank body and a glaze material can be improved, the glaze quality is high, and the antifouling performance is good.
Preferably, the melting temperature of the high-temperature satin glaze is lower than that of the high-temperature dry granules; preferably, the initial melting temperature difference between the high-temperature satin glaze and the high-temperature dry granules is controlled to be 40-60 ℃.
Preferably, the dry granular glaze is applied in a glaze spraying mode, and the specific gravity of the dry granular glaze is 1.21-1.23 g/cm 3 The glazing amount is 70-90 g/m 2 。
Preferably, the maximum firing temperature is 1200-1220 ℃, and the firing period is 135-165 min.
Preferably, the preparation method further comprises a light brush treatment for enabling the spacing between adjacent dry particles on the dry particle glaze surface of the ceramic tile after being fired to be close to the equal micron-sized distribution.
Preferably, the glaze surface glossiness of the fine dry particle rock plate is 6-8 degrees.
Drawings
FIG. 1 is an SEM image of the glaze before light brushing;
FIG. 2 is an SEM image of the glaze after light brushing;
FIG. 3 is a graph showing the effect of a soil hiding test before light brushing, wherein the soil hiding test is magnified 150 times, and black spots are soil hiding;
FIG. 4 is a graph showing the effect of the soil hiding test after light brushing, wherein the soil hiding test is magnified 150 times, and black spots are soil hiding.
Detailed Description
The present invention is further illustrated by the following examples, which are to be understood as merely illustrative of, and not restrictive on, the present invention. Unless otherwise specified, each percentage means a mass percentage.
The following is an exemplary illustration of the inventive method for micro-surfacing a fine dry slate surface.
And pressing the rock plate base material into a green brick. The chemical composition of the rock plate base material is not limited, and the rock plate base material can be prepared by adopting a common rock plate base material. As an example, the chemical composition of the rock matrix material may include, in mass percent, loss on Ignition (IL): 4 to 5 percent of SiO 2 ：54～66％、Al 2 O 3 ：20～22％、Fe 2 O 3 ：0.5～0.7％、TiO 2 ：0.3～0.6％、CaO：0.3～0.5％、MgO：0.5～0.8％、K 2 O：2.8～3.2％、Na 2 O：2.5～3.2％。
And drying the green brick. Drying in a drying kiln may be used. For example, the drying time is 0.5 to 1.1h, and the moisture of the dried blank is controlled within 0.5 wt%.
And applying surface glaze on the surface of the dried green brick. The effects of covering the base color and flaws of the blank, promoting the color development of the ink-jet pattern and showing the shimmering and lustrous effect of the dry grain glaze. The chemical composition of the overglaze may include: the weight percentage is as follows: siO 2 2 ：53～55％、Al 2 O 3 :22 to 24%, alkaline earth metal oxide: 0.4 to 0.6%, alkali metal oxide: 6 to 9 percent of ZrO 2 :8 to 10 percent. For example, the chemical composition of the overglaze may include: the weight percentage is as follows: IL: 3.5-4.5% of SiO 2 ：53～55％、Al 2 O 3 ：22～24％、Fe 2 O 3 ：0.2～0.3％、TiO 2 ：0.05～0.3％、CaO：0.2～0.3％、MgO：0.2～0.3％、K 2 O：4～5％、Na 2 O：2.5～3.5％、ZrO 2 ：8～10％。
The overglaze may be applied by spraying glaze. The specific gravity of the overglaze can be 1.45-1.48 g/cm 3 The glazing amount can be 280-400 g/m 2 。
And printing a design pattern on the surface of the green brick after the overglaze is applied by ink jet. The texture and color of the ink-jet printing design pattern are adaptively changed according to the layout effect.
And applying dry grain glaze on the surface of the green brick after the design pattern is printed by ink jet. The mineral composition of the dry granular glaze comprises: 13-18% of high-temperature dry granules in percentage by mass; 3-5% of low-temperature dry granules; 1.5-2.5% of high-temperature satin glaze. The high temperature satin glaze may also be referred to as a high onset satin glaze. The dry grain glaze of the invention does not need matte glaze slurry to play a role in auxiliary suspension and melting, and the combination of high-temperature dry grains, low-temperature dry grains and high-temperature satin glaze ensures that the product after being taken out of the kiln has more exquisite glossiness. In some embodiments, the raw material composition of the dry granular glaze comprises: 13-18% of high-temperature dry granules in percentage by mass; 3-5% of low-temperature dry granules; 1.5 to 2.5 percent of high-temperature satin glaze; 70 to 80 percent of suspending agent. The composition of the suspending agent is not limited, and the glaze suspending agent commonly used in the field can be adopted.
Too low a temperature of the dry glaze results in a product that does not exhibit a fine dry grain surface after firing. The introduction of high-temperature dry particles can improve the temperature of dry particle glaze and increase the sense of frosted particles. The chemical composition of the high-temperature dry granules comprises: in terms of mass percent, siO 2 ：56～58％、Al 2 O 3 :18 to 20%, alkaline earth metal oxide: 13 to 17%, alkali metal oxide: 4 to 6%, znO:3 to 4 percent. As an example, the chemical composition of the high temperature dry pellets includes: by mass percent, IL: 0.2-0.6% of SiO 2 ：56～58％、Al 2 O 3 ：18～20％、SrO：4～5％、CaO：3～4％、MgO：1～2％、K 2 O：3～4％、Na 2 O：1～2％、ZnO：3～4％、BaO：5～6％、Fe 2 O 3 :0.1 to 0.2 percent. The initial melting temperature of the high-temperature dry granules is 920-950 ℃. The introduction of strontium oxide can increase the melting range of the glaze.
The mass percentage of the high-temperature dry particles in the dry particle glaze is controlled within the range of 13-18%, so that the glossiness and texture of the product can be met. The mass percentage of the high-temperature dry particles in the dry particle glaze is lower than 13%, the glaze surface has higher glossiness and poorer texture. The mass percentage of the high-temperature dry particles in the dry particle glaze is higher than 18%, the glaze surface gloss is too low, and the antifouling property is poor.
The low-temperature dry particles and the high-temperature dry particles form mutually complementary and superposed stacks in the firing process, and the uniformity of hand feeling and glossiness of the product is favorably improved. The chemical composition of the low-temperature dry granules comprises: by mass percent, siO 2 ：52～54％、Al 2 O 3 :16 to 18%, alkaline earth metal oxide: 15 to 19%, alkali metal oxide: 6-8%, znO:3 to 4 percent. As an example, the chemical composition of the low temperature dry pellets includes: by mass percent, IL: 0.3-0.7% of SiO 2 ：52～54％、Al 2 O 3 ：16～18％、SrO：3～4％、CaO：3～4％、MgO：0.1～0.5％、K 2 O：2～3％、Na 2 O：4～5％、ZnO：3～4％、BaO：9～10％、Fe 2 O 3 :0.1 to 0.2 percent. The initial melting temperature of the low-temperature dry granules is 900-930 ℃.
The mass percentage of the low-temperature dry particles in the dry particle glaze is controlled within the range of 3-5%, and the low-temperature dry particles can better form a mutual complementary effect with the high-temperature dry particles, so that an ideal glaze surface effect is obtained. The mass percentage of the low-temperature dry particles in the dry particle glaze is lower than 3%, the glaze surface has thick hand feeling, more dry particle accumulation cavities can be seen after amplification, and particularly, the dirt absorption of ceramic products with light patterns and textures is more serious. The mass percentage of the low-temperature dry particles in the dry particle glaze is higher than 5%, the overall glossiness of the glaze is higher, and the texture of the glaze is poor.
In experiments, the ideal glaze effect cannot be obtained by using only high-temperature dry particles or only low-temperature dry particles. Only using high-temperature dry particles, the glaze has dumb glossiness, thick hand feeling and poor antifouling effect; only low-temperature dry particles are used, the glaze surface has bright glossiness and poor frosted texture.
In some embodiments, the mass ratio of the high-temperature dry granules to the low-temperature dry granules is 2 to 6:1, preferably about 4:1. The consumption of the high-temperature dry granules is obviously higher than that of the low-temperature dry granules, because the invention aims to form fine dry granule surfaces, the grain composition of the dry granules is finer, and therefore, the high-temperature dry granules with high proportion can form fine dry granule surface products with fine texture and glossiness meeting the requirements.
The high-temperature satin glaze has the functions ofPromotes the dry particles to be well melted in the firing process, and reduces the porosity of the glaze surface. The chemical composition of the high-temperature satin glaze comprises: by mass percent, siO 2 ：49～51％、Al 2 O 3 :18 to 20%, alkaline earth metal oxide: 19 to 22%, alkali metal oxide: 4 to 6 percent. As an example, the chemical composition of the high temperature satin glaze includes: by mass percent, IL:6 to 8 percent of SiO 2 ：49～51％、Al 2 O 3 ：18～20％、CaO：9～10％、MgO：5～6％、K 2 O：1～2％、Na 2 O：3～4％、ZrO 2 ：0.01～0.04％、BaO：5～6％、Fe 2 O 3 :0.1 to 0.2 percent. The high-temperature satin glaze has an initial melting temperature of 870-900 ℃.
The mass percentage of the high-temperature satin glaze in the dry granular glaze is controlled within the range of 1.5-2.5%, so that the glaze surface is more exquisite without losing frosting texture. The mass percentage of the high-temperature satin glaze in the dry granular glaze is lower than 1.5 percent, which is not beneficial to antifouling and has low glossiness. The mass percentage of the high-temperature satin glaze in the dry grain glaze is higher than 2.5 percent, and the glaze texture of the kiln-out product is poor.
Preferably, the high-temperature satin glaze has a melting onset temperature lower than that of the high-temperature dry granules. The purpose of this design is to seal the glaze layer in time and prevent more gas from being discharged improperly to form uneven pinhole defects. Preferably, the difference between the initial melting temperature of the high-temperature satin glaze and the initial melting temperature of the high-temperature dry granules is controlled to be 40-60 ℃.
The glaze surface glossiness of the high-temperature satin glaze is 12-16 degrees, so that the product glaze surface can keep a glimmer effect. If the high-temperature satin glaze is omitted from the dry granular glaze, the antifouling difference of the glaze surface, the dumb glossiness and the soft texture can be caused.
The grain composition of the high-temperature dry grains and the low-temperature dry grains comprises: by mass percentage, 0.1 to 2 percent above 200 meshes, 20 to 30 percent below 200 to 325 meshes and 70 to 80 percent below 325 meshes.
The dry granular glaze is applied in a glaze spraying mode. For example, the glaze particles are sprayed and dried by a spray gun of a high-pressure water jet machine with five groups of nozzles and the aperture of 0.36 mm. In some embodiments, the dry granular glaze has a specific gravity of 1.21 to 1.23g/cm 3 The glazing amount is 70-90 g/m 2 . The glazing amount of the dry granular glaze can be controlled within the range, so that the cost and the glaze texture can be balanced, and the mass production is facilitated.
And drying the green brick with the dry grain glaze. Drying in an electric kiln can be adopted. The drying temperature is controlled between 110 and 130 ℃, and the water content of the dried green bricks is controlled within 0.5 weight percent.
And (5) firing. Can be slowly burnt at high temperature by a roller kiln. The maximum firing temperature is 1200-1220 ℃, and the firing period is 135-165 min. The slow burning can meet the high requirements of the rock plate on cutting performance and blank glaze bonding performance, and promotes the melting of dry particles, so that the product gloss is more uniform and finer.
And (5) performing light brushing treatment. The light brushing treatment enables the space between adjacent dry particles on the dry particle glaze surface of the fired ceramic tile to be approximately distributed in an equal micron order. For example, the glaze is lightly brushed by adopting fiber modules with different meshes and combinations of different pressures and adjusting the linear speed of the belt and the rotating speed of the rotary table. The light brush is used for processing the uneven dry particle glaze surface into the gap between the dry particles which is close to the micron order, and the product is not easy to hide. The invention preferentially uses the fiber module group rather than the elastic module, which is more beneficial to controlling the glossiness to be in the range of 6-8 degrees and has better protection effect on the glaze layer.
A preferable example is that after the finished product is taken out of a kiln, the surface of the rock plate is lightly brushed by 14 groups of 400-mesh toothbrush fiber modules, the convex uneven large particles are removed, and then the surface of the rock plate is lightly brushed by 6 groups of 400-mesh compressed nylon cloth pulling fiber modules, so that the glaze surface is smoother, and the antifouling effect is better. At this time, the pressure is 0.08-0.15 Mpa, the rotating speed of the turntable is 1200-1250 r/min, and the frequency conversion of the belt is 13-14 HZ.
The same effect can be achieved by using a combination of 10 groups of 240-mesh toothbrush fiber modules and 10 groups of 320-mesh toothbrush fiber modules in another preferred example. The pressure is 0.1-0.25 Mpa, the rotating speed of the rotating disc is 1300-1450 r/min, and the frequency conversion of the belt is 14-16 HZ.
The glaze surface gloss obtained by the method for the low-light treatment of the surface of the fine dry particle rock plate is 6-8 degrees, and the light irradiation forms uniform diffuse reflection on the glaze surface, so that a comfortable and warm human living environment can be created. The glaze surface can form a sucker effect with nearly equal size when meeting water, and the anti-skid performance is improved.
The present invention will be described in detail by way of examples. It is also to be understood that the following examples are illustrative of the present invention and are not to be construed as limiting the scope of the invention, and that certain insubstantial modifications and adaptations of the invention by those skilled in the art may be made in light of the above teachings. The specific process parameters and the like of the following examples are also only one example of suitable ranges, i.e., those skilled in the art can select the appropriate ranges through the description herein, and are not limited to the specific values exemplified below.
Example 1
The micro-light treatment method for the surface of the fine dry particle rock plate comprises the following steps:
step 1, pressing a rock plate base material into a green brick;
step 2, putting the green brick into a drying kiln for drying for 0.5-1.1 h, and controlling the moisture of the dried green brick within 0.5 wt%;
step 3, spraying surface glaze on the surface of the green brick, wherein the specific gravity of the surface glaze is 1.45-1.48 g/cm 3 The glazing amount is 280-400 g/m 2 ；
Step 4, ink-jet printing design patterns on the surface of the green brick after the surface glaze is sprayed;
step 5, spraying dry grain glaze on the surface of the green brick after the design pattern is printed by ink jet; the dry granular glaze comprises the following raw materials: 13-18% of high-temperature dry granules in percentage by mass; 3-5% of low-temperature dry granules; 1.5 to 2.5 percent of high-temperature satin glaze; 70 to 80 percent of suspending agent; the chemical composition of the high-temperature dry granules comprises: by mass percent, IL: 0.2-0.6% of SiO 2 ：56～58％、Al 2 O 3 ：18～20％、SrO：4～5％、CaO：3～4％、MgO：1～2％、K 2 O：3～4％、Na 2 O：1～2％、ZnO：3～4％、BaO：5～6％、Fe 2 O 3 :0.1 to 0.2 percent; the chemical composition of the low-temperature dry granules comprises: by mass percent, IL: 0.3-0.7% of SiO 2 ：52～54％、Al 2 O 3 ：16～18％、SrO：3～4％、CaO：3～4％、MgO：0.1～0.5％、K 2 O：2～3％、Na 2 O：4～5％、ZnO：3～4％、BaO：9～10％、Fe 2 O 3 :0.1 to 0.2 percent; the chemical composition of the high-temperature satin glaze comprises: by mass percent, IL:6 to 8 percent of SiO 2 ：49～51％、Al 2 O 3 ：18～20％、CaO：9～10％、MgO：5～6％、K 2 O：1～2％、Na 2 O：3～4％、ZrO 2 ：0.01～0.04％、BaO：5～6％、Fe 2 O 3 :0.1 to 0.2 percent; the specific gravity of the dry granular glaze is 1.21-1.23 g/cm 3 The glazing amount is 70-90 g/m 2 ；
Step 6, drying the green brick after the grain glaze is sprayed and dried; drying in an electric kiln at 110-130 deg.c and controlling the water content within 0.5 wt%;
step 7, slowly burning the dried green bricks in a roller kiln at high temperature, wherein the maximum burning temperature is 1200-1220 ℃, and the burning period is 135-165 min;
and 8, post-processing and light brushing treatment.
Fig. 1 is an SEM image of the glaze before light brushing. The glaze is serrated, has more raised dry particles, has serious hiding phenomenon, irradiates the glaze with light to form local strong reflection, and causes visual fatigue to human eyes after being watched for a long time.
Fig. 2 is an SEM image of the glaze after light brushing. The glaze has fine texture, satin hand feeling and frosted particle glaze, and the high-grade feeling of the rock plate is enhanced.
Comparative example 1
Essentially the same as example 1, except that: and replacing all dry particles in the dry particle glaze with high-temperature dry particles. The temperature of the dry glaze particles is too high, so that the glaze surface is coarse, the glossiness is only 2-3 degrees, the glaze surface has poor melting effect, the dirt absorption and collection are serious, and the texture is not fine and smooth enough.
Comparative example 2
Essentially the same as example 1, except that: and replacing all dry particles in the dry particle glaze with low-temperature dry particles. The glossiness of the glaze reaches 9-12 degrees, but the glaze loses the texture of the frosted particles due to the low temperature.
Comparative example 3
Essentially the same as in example 1, except that: the composition of the dry grain glaze does not contain high temperature satin glaze. In the firing process, the high-temperature satin glaze which is used as a filler among dry particles is lacked to play a role in auxiliary melting, the glossiness of the glaze surface is uneven, and the phenomena of dirt absorption and dirt storage are serious.
Comparative example 4
Essentially the same as in example 1, except that: the dry granular glaze comprises the following raw materials: 7-9% of high-temperature dry granules in percentage by mass; 9 to 12 percent of low-temperature dry granules; 3-4% of high-temperature satin glaze; 70 to 80 percent of suspending agent. The content of low-temperature dry grains and high-temperature satin glaze is too much, so that the dry grain texture of the glaze is completely lost.
Claims (7)
1. A micro-light treatment method for the surface of a fine dry particle rock plate is characterized by comprising the following steps:
pressing the rock plate base material into a green brick;
applying surface glaze on the surface of the green brick;
printing a design pattern on the surface of the green brick after the surface glaze is applied by ink jet;
printing design patterns on the surface Shi Ganli of the green brick by ink jet; the mineral composition of the dry granular glaze comprises: 13 to 18 percent of high-temperature dry granules in percentage by mass; low temperature dry granules 3~5%; 1.5 to 2.5 percent of high-temperature satin glaze;
the initial melting temperature of the high-temperature dry granules is 920 to 950 ℃; the chemical composition of the high-temperature dry granules comprises: by mass percent, IL:0.2 to 0.6% of SiO 2 ：56~58%、Al 2 O 3 ：18~20%、SrO：4~5%、CaO：3~4%、MgO：1~2%、K 2 O：3~4%、 Na 2 O：1~2%、ZnO：3~4%、BaO：5~6%、Fe 2 O 3 ：0.1~0.2%；
The initial melting temperature of the low-temperature dry granules is 900 to 930 ℃; the chemical composition of the low-temperature dry granules comprises: by mass percent, IL:0.3 to 0.7 percent of SiO 2 ：52~54%、Al 2 O 3 ：16~18%、SrO：3~4%、CaO：3~4%、MgO：0.1~0.5%、K 2 O：2~3%、Na 2 O：4~5%、ZnO：3~4%、BaO：9~10%、Fe 2 O 3 ：0.1~0.2%；
The initial melting temperature of the high-temperature satin glaze is 870-900 ℃; the chemical composition of the high-temperature satin glaze comprises: by mass percent, IL:6~8%, siO 2 ：49~51%、Al 2 O 3 ：18~20%、CaO：9~10%、MgO：5~6%、K 2 O：1~2%、Na 2 O：3~4%、ZrO 2 ：0.01~0.04%、BaO：5~6%、Fe 2 O 3 ：0.1~0.2%；
And sintering the green brick after the dry grain glaze is applied to obtain the fine dry grain rock plate with a glimmer surface.
2. The method according to claim 1, wherein the chemical composition of the dry particulate glaze comprises: by mass percent, siO 2 ：55~57%、Al 2 O 3 :17 to 19%, alkaline earth metal oxide: 14 to 18%, alkali metal oxide: 4~6%, znO:3~4%.
3. The method as claimed in claim 1, wherein the difference between the melting temperatures of the high-temperature satin glaze and the high-temperature dry granules is controlled to be 40-60 ℃.
4. The method according to claim 1, wherein the dry glaze granules are applied by spraying glaze, and the specific gravity of the dry glaze granules is 1.21 to 1.23g/cm 3 The glazing amount is 70 to 90g/m 2 。
5. The method according to claim 1, wherein the maximum firing temperature is 1200 to 1220 ℃ and the firing period is 135 to 165min.
6. The method of claim 1 further comprising a light brushing process to achieve a near equal micron spacing between adjacent dry particles on the glaze of the dry particles of the fired ceramic tile.
7. The method of claim 1, wherein the fine dry slate has a glaze gloss of 6~8 degrees.
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| CN115196993A (en) * | 2022-07-13 | 2022-10-18 | 九江诺贝尔陶瓷有限公司 | Dry particles and production method of once-fired double-digital decorative colorful rock plate by using dry particles |
| CN116282925B (en) * | 2023-05-22 | 2023-09-19 | 新明珠集团股份有限公司 | Matte antifouling overglaze, matte antifouling ceramic tile and preparation method thereof |
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