CN107685383B

CN107685383B - Production process of antique brick ceramic

Info

Publication number: CN107685383B
Application number: CN201710839471.5A
Authority: CN
Inventors: 林家生; 王志强; 石颍; 李宣营; 于智深; 万春海; 谢扬光; 梁勇海; 莫伟森; 吴建洲; 陆月星; 朱岸权; 吴云平; 黄金保; 李继新
Original assignee: Guangdong Bohua Ceramics Co ltd
Current assignee: Guangdong Bohua Ceramics Co ltd
Priority date: 2017-09-18
Filing date: 2017-09-18
Publication date: 2020-05-01
Anticipated expiration: 2037-09-18
Also published as: CN107685383A

Abstract

The embodiment of the invention discloses a production process of an antique brick ceramic, which effectively embodies rich colors and strong stereoscopic impression by combining multiple technologies in an overlapping way, and can effectively solve the problems of single texture, lack of layering and insufficient colors of the traditional antique brick ceramic. The production process comprises the following steps: A. ball-milling the raw materials into slurry until the water content is 30-35%, spraying to prepare powder until the water content of the powder is 5-7%, and aging in a powder bin; B. pressing and molding the mixture by using a mold under the pressure of 31000-32000 KN, and drying the mixture at the temperature of 180-250 ℃ until the water content is lower than 0.5%; C. applying an antique overglaze, namely applying the antique overglaze to the surface of the green brick; D. applying a protective glaze; E. performing ink-jet printing, namely performing pattern printing by an ink-jet printer and printing on the surface of the green brick; F. and (3) at 1000-1200 ℃, firing and edging to obtain the archaized brick ceramic.

Description

Production process of antique brick ceramic

Technical Field

The invention relates to the field of ceramic tiles, in particular to a production process of an antique brick ceramic.

Background

Archaized tile ceramics evolve from colored glazed tiles, and the archaizing refers to the effect of tiles. The green body of the brick can be porcelain, and also can be made of stoneware, fine stoneware and stoneware. The ancient brick ceramic product is introduced from abroad, and is a new ceramic product produced through digestion, absorption and innovation by domestic enterprises. Technically, the archaized brick is evolved from a colored glazed brick, and is a glazed ceramic brick. The use function and cultural connotation of the archaized brick are expanded to the larger architectural decoration field. As a product containing elegant culture elements, the application range of the antique brick ceramics is very wide. The antique brick ceramic is not rare when being used for home decoration, and the antique brick has no more distinct and characteristic effects no matter whether being applied indoors or outdoors. Similarly, the archaized bricks are used for floor decoration or wall decoration and are more similar and unique in function expression.

In the traditional preparation process of the antique brick ceramic, raw materials are respectively crushed, sieved and uniformly mixed to obtain a mixture, the mixture is aged to obtain a blank, the blank is placed into a mold and molded by adopting a plastic compression method to obtain a green body, the green body is dried, then glazed and baked to obtain the antique brick ceramic. The surface of the traditional archaized brick ceramic has single texture, lacks layering sense and is not rich enough in color, thus being difficult to meet the increasingly personalized decoration requirements of consumers.

It can be seen that there is a need in the art for an improved ceramic tile antique to fit the market today.

Disclosure of Invention

Compared with the traditional antique brick ceramic, the antique brick ceramic has the obvious technical advantages that the surface patterns have 3D effects and are rich in layering; the combination of multiple technologies, especially the high integration of glaze, glaze spraying, ink, dry particles, polishing or semi-polishing and other technologies, enriches the variety of the archaized brick ceramics and makes the archaized brick ceramics richer in decoration.

In order to solve the problems, the invention provides a production process of an antique brick ceramic, which comprises the following steps:

A. ball-milling the raw materials into slurry until the water content is 30-35%, spraying to prepare powder until the water content of the powder is 5-7%, and aging in a powder bin;

B. pressing and molding the mixture by using a mold under the pressure of 31000-32000 KN, and drying the mixture at the temperature of 180-250 ℃ until the water content is lower than 0.5%;

C. applying an antique overglaze, namely applying the antique overglaze to the surface of the green brick;

D. applying a protective glaze;

E. performing ink-jet printing, namely performing pattern printing by an ink-jet printer and printing on the surface of the green brick;

F. and (3) at 1000-1200 ℃, firing and edging to obtain the archaized brick ceramic.

Preferably, after step C and before step D, further comprising applying dry granules;

and the dried particles are prepared and sprayed on the surface of the green brick through a glaze spraying cabinet.

Preferably, after step C and before step D, the method further comprises the steps of: applying dry granules;

and the number of the first and second groups,

after step E and before step F, polishing is further included;

the drying particles are prepared and sprayed on the surface of the green brick through a glaze spraying cabinet;

the polishing is carried out by adopting a polishing machine and adopting modules with different meshes to combine;

and the module combination comprises deep polishing or shallow polishing.

Preferably, the dry particles are one or more of matte dry particles, bright dry particles, colored dry particles and metal dry particles;

the particle size composition of the dry particles is 110-210 meshes, and the dry particles are spherical particles.

Preferably, after the step D and before the step E, printing a layer of half-polishing raised glaze;

and the number of the first and second groups,

after step E and before step F, polishing is further included;

printing a layer of semi-polished raised glaze, specifically printing the raised glaze on the surface of a product in a screen printing mode;

and the module combination comprises deep polishing or shallow polishing.

Preferably, the antique overglaze is applied in the step C, and the specific implementation mode is glaze spraying or glaze pouring.

Preferably, the ink-jetting in step E is performed by using a multichannel nozzle digital ink-jetting, specifically, using a ceramic glaze synthesized from inorganic materials as a solvent.

Preferably, the multiple channels are 8 channels.

According to the technical scheme, the implementation mode of the invention has the following advantages:

according to the production process of the antique brick ceramic, the surface patterns have 3D effects and rich layering, and the novel antique brick is rich in types through combination of superposition of multiple technologies, particularly high integration of technologies such as glaze, glaze spraying, ink, dry particles, polishing or half polishing and the like. The archaized brick ceramic manufactured by the production process can effectively solve the problems that the surface texture of the traditional archaized brick ceramic is single, the layering sense is lacked, and the color is not rich enough.

Detailed Description

The embodiment of the invention provides a production process of antique brick ceramics, which has more prominent product level and stereoscopic impression; compared with the traditional antique brick ceramic, the surface of the antique brick ceramic can be printed with various antique patterns, the surface is sand-grained, the natural texture of sandstone is achieved, the contrast between light and shade is strong, the third dimension is strong, and the requirements of various decorative effects are met.

The invention provides a production process of an antique brick ceramic, which comprises the following steps:

D. applying a protective glaze;

Preferably, after step C and before step D, further comprising the step of applying dry granules;

The invention changes the prior method, increases the procedure of applying dry particles, sprays the dry particles on the surface of the product through the glaze spraying cabinet, changes the texture effect of the antique brick ceramic by utilizing the temperature of the dry particles, the size of the particles and the density degree of the spray gun, and the dry particles with different functions produce different effects. The non-polished pure dry grain effect enables the glazed surface of the ceramic tile to form an uneven surface, so that the lubrication degree of hand feeling can be improved, and the use effect of no light and skid resistance is achieved.

and the number of the first and second groups,

after step E and before step F, polishing is further included;

and the module combination comprises deep polishing or shallow polishing.

The invention changes the prior method, increases the procedures of dry particle application and polishing, sprays dry particles on the surface of the product through the glaze spraying cabinet, changes the texture effect of the antique brick ceramics by utilizing the temperature of the dry particles, the size of the particles and the density degree of the spray gun, can generate the use effect of smoothness and skid resistance by the dry particle effect after polishing treatment, and has the effect similar to a glaze surface and easy formation of rich layering on a visual angle.

Preferably, the dry particles can be one or more of matte dry particles, bright dry particles, colored dry particles and metal dry particles;

the particle size distribution of the dry particles is 110-210 meshes, and the shape of the dry particles is spherical particles.

Wherein, the dry particles are required to be spherical, flaky or in other shapes, which can cause the dry particles to be adhered together and can not show the sandstone or stone effect.

and the number of the first and second groups,

after step E and before step F, polishing is further included;

and the module combination comprises deep polishing or shallow polishing.

The invention changes the prior method, increases the procedure of printing a layer of half-polishing raised glaze, adopts the screen printing mode to print the raised glaze on the surface of the product, changes the final effect of the product by utilizing the transparency of the raised glaze and the effect of the screen printing plate, and different screen printing plates can generate different effects.

Different glazing modes are adopted, the requirements of the fineness of the hand feeling of the brick surface are met, the effects of rough brick surface and strong concave-convex feeling can be obtained by adopting the glaze spraying mode of the glaze spraying cabinet, and the softer brick surface effect can be obtained by adopting the bell jar glaze spraying mode.

Printing patterns by adopting an ink-jet printer; according to the design and texture of the brick surface, the corresponding functions such as color depth, distinct gradation and the like are adjusted through image processing software, the adjusted file is uploaded to an ink-jet printer, and the ink-jet printer prints patterns by using a nozzle to print ink or functional ink according to the requirements of the uploaded file

Preferably, the multiple channels are 8 channels.

The multi-channel nozzle is adopted for ink jet, namely, the ink jet machine is provided with a plurality of nozzles, and ceramic glaze synthesized by inorganic materials is sequentially sprayed by different nozzles, so that multi-channel ink jet is realized, and the color and luster types of the brick body can be enriched. The production process preferably uses 8-channel ink jet, the color can orderly permeate into the green brick, the permeation is more excellent after one step, and the vivid effect of a stone and multiple surfaces can be created.

The process flow diagram is as follows:

raw materials enter a factory → ball milling pulping → spray powder making → powder storehouse aging → pressing → drying → glazing (overglaze) → glazing (protective glaze) → ink jetting → kiln firing → polishing → finished products are obtained → finished products are put in a warehouse and are ready to be delivered out of the warehouse.

The invention is described in detail below by means of specific embodiments and examples:

the specific implementation mode is as follows:

the production process of the antique brick ceramic comprises the following steps:

wherein, the mode of applying the antique overglaze is glaze spraying or glaze pouring.

D. Applying a protective glaze;

the ink-jet adopts ceramic glaze synthesized by inorganic materials as an agent, and adopts a multi-channel nozzle to jet ink digitally, wherein the multi-channel is 8 channels.

Raw materials enter a factory: namely, the raw materials are taken in the step A, the types of the raw materials are consistent with the production raw materials of the traditional antique brick ceramics, and each raw material needs to be homogenized.

Ball milling and pulping: and (3) putting the prepared formula material into a ball mill, adding water for grinding, wherein the water content of the ground slurry is 30-35%, and sieving the slurry with a 250-mesh sieve until the residue on the sieve is less than 1.5%.

Spray milling: and (3) conveying the slurry to a spray tower for atomization and drainage to reduce the water content to 5-7%.

Aging in a powder bin: and (3) sending the qualified powdery material into powder bins, sieving, tapping, putting into a slurry pool for ageing to ensure that all components are uniform, ageing for 42-48 hours in a basically sealed environment to ensure that the components are fully decomposed, wherein the material performance in each powder bin is as same as that of the powder bin, and the water content is basically consistent.

Pressing: qualified powder is sent into a press, falls from a transfer hopper at the top of the press, is distributed into a die cavity through a feeding vehicle, an upper die core descends to enter the die cavity to punch the powder under the high pressure of 31000-32000 KN, then the upper die core is slightly lifted to exhaust, and then the upper die is gradually pressed downwards, so that the green brick achieves sufficient breaking strength and good density.

And (3) drying: and drying the wet blank after compression molding at 180-250 ℃ to reduce the water content to below 0.5%, thereby ensuring that the material strength meets the production requirements.

Glazing (overglaze): and the glaze is applied by spraying the overglaze by using a glaze spraying cabinet or spraying the overglaze by using a bell jar, so that the fine degree of the hand feeling of the brick surface is favorably improved.

Glazing (protective glaze): the glaze is applied by spraying the overglaze by using a glaze spraying cabinet or spraying the overglaze by using a bell jar, so that the service life of the overglaze can be prolonged.

Ink jetting: ceramic glaze synthesized by inorganic materials is used as an agent, and a multichannel nozzle is used for digital ink jet.

Firing in a kiln: the ceramic material is fired in a roller kiln at a high temperature of 1000-1200 ℃, and the fired antique brick ceramic has strong breaking strength.

Polishing: the polishing method is various, and a matte polished surface with a gloss of 45 ° or a matte polished surface with a gloss of 90 ° may be used.

Example 1

a1, ball-milling the raw materials into slurry until the water content is 30%, spraying and pulverizing until the water content of the powder is 5%, and aging the powder in a powder bin;

b1, pressing and molding by a mold under the pressure of 31000, and drying at 180 ℃ until the water content is lower than 0.5 percent;

c1, applying antique overglaze, and applying the antique overglaze to the surface of the green brick;

wherein, the mode of applying the antique overglaze is glaze spraying.

D1, applying protective glaze;

e1, ink-jet printing, wherein an ink-jet printer is used for pattern printing and is printed on the surface of the green brick;

F1, at 1000 ℃, firing and edging to obtain the archaized brick ceramic.

Example 2

a2, ball-milling the raw materials into slurry until the water content is 30%, spraying and pulverizing until the water content of the powder is 7%, and aging the powder in a powder bin;

b2, pressing and molding by a die under the pressure of 31000KN, and drying at 250 ℃ until the water content is lower than 0.5%;

c2, applying antique overglaze, and applying the antique overglaze to the surface of the green brick;

wherein, the mode of applying the antique overglaze is glaze pouring.

D2, applying protective glaze;

e2, ink-jet printing, wherein an ink-jet printer is used for pattern printing and is printed on the surface of the green brick;

F2, firing at 1000-1200 ℃, and edging to obtain the archaized brick ceramic.

Example 3

a3, ball-milling the raw materials into slurry until the water content is 30%, spraying and pulverizing until the water content of the powder is 5%, and aging the powder in a powder bin;

b3, 32000KN pressure, die pressing and forming, drying at 250 ℃ until the water content is lower than 0.5%;

c3, applying antique overglaze, and applying the antique overglaze to the surface of the green brick;

wherein, the mode of applying the antique overglaze is glaze pouring.

D3, applying protective glaze;

e3, ink-jet printing, wherein an ink-jet printer is used for pattern printing and is printed on the surface of the green brick;

F3, at 1200 ℃, baking and edging to obtain the archaized brick ceramic.

Example 1, example 2 and example 3 three batches of antique tile ceramics were produced, randomly selected 10 tiles from example 1, numbered batch 1, randomly selected 10 tiles from example 2, numbered batch 2, randomly selected 10 tiles from example 3, numbered batch 3 were compared and the antique tile ceramics were observed for appearance, texture and hardness testing:

the person skilled in the art observes that: 10 ceramic tiles of batch 1 have basically consistent color and similar patterns;

the person skilled in the art observes that: 10 tiles of batch 2 have basically consistent color and similar patterns;

the person skilled in the art observes that: 10 tiles of batch 3 had basically consistent color and similar patterns;

the person skilled in the art observes that: batch 1, batch 2 and batch 3 tiles were selected for comparison, with slightly different colors and similar patterns.

Non-skilled person observes: batch 1, batch 2 and batch 3 had substantially identical 30 tiles.

And (3) hardness testing: the tile hardness of batch 1, batch 2 and batch 3 meets the tile national standard.

Comparative example

A4-F4 were prepared in the same manner as in examples 1A 1-F1, except that E1:

e4, printing, namely printing patterns on the surface of the green brick by adopting a screen printing pattern mode.

The 10 tiles of the control example were randomly selected and designated batch 4, and the 10 tiles of example 1 were randomly selected and designated batch 5.

And (3) observing the appearance of the ceramic tile and testing the hardness:

the person skilled in the art observes that: 10 tiles of batch 4 had slightly different colors and similar patterns;

the person skilled in the art observes that: 10 tiles of batch 5 were substantially identical in color and similar in pattern;

the person skilled in the art observes that: the tiles of the selected batch 4 and the selected batch 5 are compared with each other for 1 piece, and the color and the pattern have larger difference.

Non-skilled person observes: the color and pattern matching effect of the tiles of batch 4 and batch 5 is better in batch 5.

And (3) hardness testing: the tile hardness of batch 4 and batch 5 met the tile national standard requirements.

Therefore, the antique brick ceramic prepared by the production process has good effect.

As described above, the above embodiments and examples are only for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments and examples, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments and examples of the present invention.

Claims

1. The production process of the antique brick ceramic is characterized by comprising the following steps:

C. spraying glaze through a glaze spraying cabinet or spraying glaze with a bell jar to apply antique overglaze, applying the antique overglaze on the surface of the green brick, then preparing dry particles, and spraying the dry particles on the surface of the green brick through the glaze spraying cabinet to realize dry particle application;

the dry particles are one or more of matte dry particles, bright dry particles, colored dry particles and metal dry particles, the particle size distribution of the dry particles is 110-210 meshes, and the particles are spherical;

D. applying protective glaze, printing the raised glaze on the surface of the product by adopting a screen printing mode to realize printing of a layer of semi-polished raised glaze;

E. printing patterns by an ink-jet printer, printing the patterns on the surface of the green brick, and polishing by a polishing machine by adopting modules with different meshes;

the module combination comprises deep polishing or shallow polishing;

the ink-jet method specifically comprises the steps of adopting ceramic glaze synthesized by inorganic materials as an agent, and digitally jetting ink by using an 8-channel nozzle;