CN108424112B - Preparation process of whole-body light-transmitting brick with single material layer and whole-body light-transmitting brick thereof - Google Patents

Preparation process of whole-body light-transmitting brick with single material layer and whole-body light-transmitting brick thereof Download PDF

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CN108424112B
CN108424112B CN201810354426.5A CN201810354426A CN108424112B CN 108424112 B CN108424112 B CN 108424112B CN 201810354426 A CN201810354426 A CN 201810354426A CN 108424112 B CN108424112 B CN 108424112B
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brick
material layer
fabric
transmitting
layer
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CN108424112A (en
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罗宏
周燕
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Foshan Donghua Shengchang New Material Co ltd
Foshan Dongpeng Ceramic Co Ltd
Guangdong Dongpeng Holdings Co Ltd
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Foshan Donghua Shengchang New Material Co ltd
Foshan Dongpeng Ceramic Co Ltd
Guangdong Dongpeng Holdings Co Ltd
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    • C04B33/00—Clay-wares
    • C04B33/02—Preparing or treating the raw materials individually or as batches
    • C04B33/13—Compounding ingredients
    • 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
    • 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
    • C03C8/14—Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill-additions
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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
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    • C04B41/85—Coating or impregnation with inorganic materials
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Abstract

A preparation process of a whole body light-transmitting brick with a single material layer and the whole body light-transmitting brick thereof comprise the following steps: (1) laying a green brick backing material containing 25-40% of high-alumina pug by weight in a die cavity of a press to form a backing material layer; (2) laying a fabric on the adobe base material layer to form a fabric layer, wherein the fabric is a light-transmitting material or is formed by matching a light-transmitting material and a colored material; (3) pressing to form a green brick, wherein the thickness of the primer layer accounts for 10-20% of that of the green brick; (4) after the mixture is fired in a kiln, the bottom material layer is strickled off, and the whole transparent brick with a single material layer can be obtained; according to the invention, through designing a secondary material distribution process combining a thin-layer bottom material distribution process and a bottom polishing process, the whole transparent brick with a single material layer is obtained, the stereoscopic impression and the layering impression are stronger, different light sources are combined, a more crystal transparent shadow effect is achieved, the production cost is low, and the application is wide.

Description

Preparation process of whole-body light-transmitting brick with single material layer and whole-body light-transmitting brick thereof
Technical Field
The invention relates to the technical field of building ceramics, in particular to a preparation process of a whole body light-transmitting brick with a single surface material layer and the whole body light-transmitting brick.
Background
The existing secondary material distribution vitrified tiles are relatively common secondary material distribution ceramic tiles. The thickness of the general surface material layer of the secondary material distribution vitrified tile prepared by the secondary material distribution process accounts for 1/3-1/2 of the thickness of the whole tile at present, and the thickness of the primer layer accounts for 2/3-1/2, so the secondary material distribution vitrified tile belongs to a semi-full ceramic tile strictly.
The real all-in-one brick requires the same surface and bottom, and especially for the current consumers favor the all-in-one light-transmitting brick, namely the all-in-one ceramic tile material which is glittering and translucent like jade, under the irradiation of a backlight source, light penetrates through the ceramic tile which is light-transmitting of the ceramic tile body, the natural texture of the traditional ceramic tile needs to be reflected, meanwhile, different dimensional effects need to be increased by fully combining with a light source, the layering sense is stronger, the light shadow effect formed by the surface of the ceramic tile is obviously inevitably influenced by the current semi-all-in-one ceramic tile, and the three-dimensional and transparent texture is difficult to achieve. Moreover, the existing secondary cloth vitrified brick precoat has the problems of no high temperature resistance, more single firing defects and difficult control of brick shape, and the pattern texture of the brick after firing is difficult to control, so that how to prepare the real full body light-transmitting brick with a single precoat needs to be provided.
Disclosure of Invention
The invention aims to provide a preparation process of a single-surface material layer whole body light-transmitting brick, which is characterized in that a designed secondary material distribution process combining a thin-layer bottom material distribution process and a bottom polishing process is adopted to obtain the single-surface material layer whole body light-transmitting brick, the three-dimensional effect and the layering effect are stronger, different light sources are combined, a more crystal-transparent shadow effect is achieved, the production cost is low, and the application is wide.
The invention also aims to provide a whole body light-transmitting brick with a single material layer.
In order to achieve the purpose, the invention adopts the following technical scheme:
a preparation process of a whole body light-transmitting brick with a single material layer comprises the following steps:
(1) laying a green brick backing material containing 25-40% of high-alumina pug by weight in a die cavity of a press to form a backing material layer;
(2) laying a fabric on the adobe base material layer to form a fabric layer, wherein the fabric is a light-transmitting material or is formed by matching a light-transmitting material and a colored material;
(3) pressing to form a green brick, wherein the thickness of the primer layer accounts for 10-20% of that of the green brick;
(4) and after firing in a kiln, scraping the bottom material layer to obtain the whole body light-transmitting brick with a single material layer. The invention provides a preparation process of a whole-body light-transmitting brick with a single material layer, which is mainly an improvement on the traditional secondary material distribution brick preparation process, and realizes the manufacture of the whole-body light-transmitting brick with the single material layer by combining a thin-layer material distribution bottom material with a bottom polishing process, wherein high-alumina pug is added in a brick blank bottom material, the thickness of the formed bottom material layer is controlled at the same time, and then a fabric with a light-transmitting effect is uniformly distributed above the bottom material layer, so that the thinner bottom material layer can be utilized to effectively adjust and control the brick shape of the whole brick, the brick blank has higher refractoriness and better plasticity, the bottom material layer of the sintered brick blank can be scraped flat, the whole-body light-transmitting brick with the same real surface and bottom and the single material layer is effectively obtained, the natural texture can be effectively combined with the penetrating effect like jade, and the pattern texture of the brick surface is rich and has stronger stereoscopic impression and layering sense, and different light sources are combined to achieve a more crystal-transparent light and shadow effect, the crystal-transparent light and shadow effect can be used as a decorative material for replacing stone in home decoration, and can also be used as a substitute for stone in some furniture, so that the crystal-transparent light and shadow effect is wide in application.
In addition, the primer layer of the base material can not influence the pattern and the texture of the green brick, so that compared with the existing base material, the green brick base material of the invention can greatly reduce the requirement on whiteness, namely can further reduce the production cost of the green brick base material. Meanwhile, the fabric layer can form a brick surface effect of a plane or a concave-convex surface according to the characteristics of different pressing dies, and the natural texture effect of the brick surface is further enhanced. In the steps (1) and (2), when the materials are reversely distributed, the distributing sequence of the brick blank bottom material and the material is opposite.
The high-alumina mud material comprises the following chemical components in percentage by mass: 49.09% SiO2、35.7％Al2O3、1.09％Fe2O3、0.37TiO2％、0.16％CaO、0.14％MgO、0.83％K2O、0.49Na2O and 12.13% loss on ignition.
Further, the water content of the green brick bed charge is controlled to be 6.75-7.45%, the particle size of the green brick bed charge is controlled to be less than 1% of 20-mesh screen residue, 35-45% of 40-mesh screen residue, 80-90% of 60-mesh screen residue and more than 93% of 100-mesh screen residue, and the screen residue of each mesh number is an accumulated value;
the fired absolute thickness of the primer layer is less than or equal to 2 mm. By setting the gradation of different particle sizes of the green brick backing material, the shape of the fired brick of the green brick can still be effectively adjusted on the basis of the thinner backing material layer, and the refractoriness and plasticity of the green brick are improved. The absolute thickness of the backing material layer after being sintered is controlled to be less than 2mm, namely, the proportion of the backing material layer to the backing material layer is controlled, so that the backing material layer can be scraped smoothly in the later period on the premise of ensuring the stability of a green brick, and the production cost is effectively saved.
Further, the brick blank backing material comprises the following chemical components in percentage by weight: 63-64% SiO2、23～24％Al2O3、0.1～0.2％Fe2O3、0.12～0.14％TiO2、1.0～1.2％CaO、0.6～0.9％MgO、2.8～3.0％K2O、1.3～1.6％Na2O and 6.4-6.6% loss on ignition. The high-alumina pug is adopted to increase the aluminum content in the brick blank backing material, improve the refractoriness and plasticity of the backing material layer, further reduce the thickness of the backing material layer on the basis of effectively controlling the brick shape of the whole brick, further realize full strickling of the backing material layer and effectively obtain the full-body brick with a single-face material layer with the real face and the bottom consistent.
Preferably, the raw brick bed charge comprises the following chemical components in percentage by weight: 63.2% SiO2、23.5％Al2O3、0.15％Fe2O3、0.13％TiO2、1.1％CaO、0.8％MgO、2.9％K2O、1.5％Na2O and 6.5% loss on ignition.
Further, the light-transmitting material comprises the following components in percentage by weight: 10-30% of white clay, 8-15% of black talc, 20-40% of ultra-white stone powder, 17-25% of high-alumina potassium-sodium sand, 13-20% of water-washed black mud, 3-7% of water-washed kaolin and 3-8% of A-grade black mud;
after pigment is removed from the colored material, the base material comprises the following components in percentage by weight: 2.3-4.5% of selected washed sodalite, 30-40% of Longshan potash sand, 22-37% of Longshan stone particles, 3-6.5% of carbon powder 83, 2.5-6.5% of washed black mud, 8-16% of raw ore washed black mud and 1.1-3.2% of black talc.
The formula system of the light-transmitting material is designed to be high-silicon high-potassium sodium low-aluminum low-calcium magnesium, and the system has better transmittance than a high-silicon high-calcium magnesium system, and can realize better light-transmitting effect. The light-transmitting material comprises the following chemical components in percentage by weight: SiO 22 60～75％、Al2O3 7～12％、Fe2O3＜0.5％、TiO2＜0.3％、CaO 1.7～3.5％、MgO 1.5-5％、K2O 2.6～7％、Na2O2.1-5.0% and loss on ignition 4.0-5.1%.
The base material with the pigment comprises the following chemical components in percentage by weight: SiO 22 58～65％、Al2O3 15～21％、Fe2O3＜0.5％、TiO2＜0.3％、CaO 1.7～2.3％、MgO 1.5-2.0％、K2O 2.2～3.5％、Na21.8-3.0% of O and 4.5-5.7% of loss on ignition.
Further, when the colored material is mixed with the light transmitting material, the ratio of the colored material to the total amount of the mixture is less than 40%. When the fabric is formed by matching the light-transmitting material and the colored material, the light-transmitting material and the colored material can be respectively distributed at intervals to form a strip-shaped or strip-shaped texture decorative effect, and the light-transmitting material and the colored material can be mixed to form related natural textures, so that the whole light-transmitting brick with more abundant and diversified decorative effects is obtained. When the two materials are mixed, the proportion of the pigment is required to be controlled so as to ensure that the influence of the mixed material on the transparency of the green brick is reduced.
Further, the particle size of the fabric is controlled to be less than 1% of 20-mesh screen residue, 34-49% of 40-mesh screen residue, 80-92% of 60-mesh screen residue and more than 95% of 100-mesh screen residue, and the screen residue of each mesh number is an accumulated value.
By controlling the grading of different particle sizes of the fabric, the fabric layer formed by the fabric is more uniform and smooth in structure, the defects of the fired brick surface are effectively reduced, and the brick-shaped structure is more stable.
Further explaining, in the step (2), a fabric secondary refining process is also included before the fabric is applied, the fabric is ground into fine powder again, and the particle size of the fine powder is 20-60% of the particle size of 100 meshes;
and (4) a brick surface decoration process is also included between the step (3) and the step (4), the pressed and formed brick blank is dried, and the surface of the brick blank is added with the pattern texture through a silk screen, a roller or an ink-jet decoration process, or the surface texture of the brick surface is increased through throwing a small amount of glaze or dry particles. The invention can effectively control the brick shape, enable the green brick to have higher refractoriness and better plasticity, and can further enable the pattern texture of the brick surface to be more exquisite and rich by carrying out secondary refinement on the fabric, so that the light transmission effect after firing is more crystal-transparent, and more diversified light and shadow effects are achieved.
Utilize silk screen, roller and inkjet decoration technology or get rid of the decoration technology of glaze and dry grain, further richen the decorative effect of brick face, simultaneously, also no longer exist because of the colour difference between bed material layer and the surface fabric layer and lead to the pattern texture and the color effect greatly reduced's of brick face the condition to make the whole brick face effect of adobe more stable, abundant nature, the printing opacity effect is more stable.
Further, the distribution mode of the brick blank backing material is grid type distribution, and the distribution mode of the fabric is multi-pipe distribution. Adobe bed charge adopts the grid to carry out the cloth of adobe bed charge to guarantee the roughness of its bed charge layer, adopt the multitube to carry out the cloth of surface fabric, so that the pattern texture that makes its formation is changeable more at random, nature abundant, thereby improve the texture effect of brick face and the strickle of later stage to the bed charge layer, reduce the waste of material.
Further, the step (4) further comprises a polishing process, wherein the surface material layer and the bottom material layer of the green brick are polished, and the polishing process is any one of full polishing, half polishing and soft polishing. The base material layer can be scraped and polished to further realize double-sided use of the whole transparent brick with a single surface material layer, and the transparent brick can be used as a substitute of stone in some furniture and has wide application, for example, the transparent brick can be used for replacing door plates of cabinets, and different brick surface effects can be obtained through different types of polishing treatment.
The whole body light-transmitting brick with the single material layer is prepared by the preparation process of the whole body light-transmitting brick with the single material layer.
The invention has the beneficial effects that: the high-alumina pug is added in the brick blank backing material, the thickness of the backing material layer formed by the high-alumina pug is controlled at the same time, and the fabric with the light transmission effect is uniformly distributed above the backing material layer, so that the thinner backing material layer can be utilized to effectively adjust and control the brick shape of the whole brick, the brick blank has higher refractoriness and better plasticity, the backing material layer of the fired brick blank can be scraped flat, the whole body light transmission brick with a single-face material layer and the real face and the bottom are consistent can be effectively obtained, the natural texture can be effectively combined with the light transmission effect like jade, the pattern texture of the brick face is rich, the stereoscopic impression and the layering sense are stronger, different light sources are combined, the more crystal light shadow effect is achieved, the whiteness requirement of the brick blank backing material is greatly reduced, and the production cost of the brick blank backing material is reduced; the product can be used as a decorative material for replacing stone in home decoration, and can also be used as a substitute for stone in some furniture, so that the product has wide application.
Drawings
FIG. 1 is a schematic structural diagram of a single precoat of a whole transparent brick backing before being leveled according to one embodiment of the invention;
FIG. 2 is a schematic structural view of a single precoat of a scraped-off backing layer of transparent through-bricks according to an embodiment of the present invention;
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
Embodiment 1-a process for preparing a single facer layer through-body light-transmitting tile, comprising the steps of:
(1) applying a brick blank backing material containing 25% of high-alumina pug by weight into a die cavity of a press by adopting a grid to form a backing material layer;
wherein, the water content of the brick blank bottom material is controlled at 6.75%, the particle size is controlled at 20 mesh screen residue less than 1%, 40 mesh screen residue 35-45%, 60 mesh screen residue 80-90%, 100 mesh screen residue > 93%, and each mesh screen residue is an accumulated value;
(2) distributing the fabric on the bottom material layer by adopting a multi-tube distributing system to form a fabric layer;
the particle size of the fabric is controlled to be less than 1% of 20-mesh screen residue, 34-49% of 40-mesh screen residue, 80-92% of 60-mesh screen residue and more than 95% of 100-mesh screen residue, and the screen residue of each mesh number is an accumulated value;
the fabric is a light-transmitting material, and the light-transmitting material comprises the following components in percentage by weight: 30% of white clay, 8% of black talc, 20% of ultra-white stone powder, 17% of high-alumina potassium-sodium sand, 13% of water-washed black mud, 7% of water-washed kaolin and 5% of A-grade black mud;
(3) pressing to form a green brick, wherein the thickness of the primer layer accounts for 10% of that of the green brick;
(4) and after the mixture is placed into a kiln for firing, the absolute thickness of the fired primer layer is 2mm, and the primer layer is strickled off to obtain the whole transparent brick 1 with a single-surface material layer.
Embodiment 2-a process for preparing a single facer layer through-body light-transmitting tile, comprising the steps of:
(1) applying a brick blank backing material containing 40% of high-alumina pug by weight into a die cavity of a press by adopting a grid to form a backing material layer;
wherein, the water content of the brick blank bottom material is controlled to be 7.45%, the particle size is controlled to be less than 1% of 20 meshes of screen residue, 35-45% of 40 meshes of screen residue, 80-90% of 60 meshes of screen residue and more than 93% of 100 meshes of screen residue, and the screen residue of each mesh number is an accumulated value;
(2) distributing the fabric on the bottom material layer by adopting a multi-tube distributing system to form a fabric layer;
the particle size of the fabric is controlled to be less than 1% of 20-mesh screen residue, 34-49% of 40-mesh screen residue, 80-92% of 60-mesh screen residue and more than 95% of 100-mesh screen residue, and the screen residue of each mesh number is an accumulated value;
the fabric is formed by matching a light-transmitting material and a colored material;
the light-transmitting material comprises the following components in percentage by weight: 10% of white clay, 10% of black talc, 40% of ultra-white stone powder, 17% of high-alumina potassium-sodium sand, 13% of water-washed black mud, 3% of water-washed kaolin and 7% of A-grade black mud;
after pigment is removed from the colored material, the base material comprises the following components in percentage by weight: 4.5% of selected washed sodalite, 40% of Longshan potash sand, 22% of Longshan stone particles, 6.5% of carbon powder 83, 8.5% of washed black mud, 16% of raw ore washed black mud and 2.5% of black talc; wherein, the transparent material and the colored material are respectively distributed at intervals to form the decorative effect of strip-shaped or strip-shaped textures;
(3) pressing to form a green brick, wherein the thickness of the primer layer accounts for 20% of that of the green brick;
(4) drying the pressed and formed green brick in a drying kiln, increasing pattern grains on the surface of the green brick through a glaze line by an ink-jet decoration process, and increasing the texture of the surface of the green brick by throwing a small amount of glaze on the surface of the green brick;
(4) and after the mixture is fired in a kiln, the absolute thickness of the fired primer layer is 1.5mm, and the primer layer is strickled off to obtain the whole transparent brick 2 with a single-surface material layer.
Embodiment 3-a process for preparing a single facer layer through-body light-transmitting tile, comprising the steps of:
(1) applying a brick blank backing material containing 35% of high-alumina pug by weight into a die cavity of a press by adopting a grid to form a backing material layer;
wherein, the water content of the brick blank bottom material is controlled to be 7.05 percent, the particle size of the brick blank bottom material is controlled to be less than 1 percent of 20 meshes of screen residue, 35 to 45 percent of 40 meshes of screen residue, 80 to 90 percent of 60 meshes of screen residue and more than 93 percent of 100 meshes of screen residue, and the screen residue of each mesh number is an accumulated value;
(2) firstly, performing secondary refining on the fabric with the particle size of 20 meshes and the residual sieve of less than 1 percent, 40 meshes and 34-49 percent, 60 meshes and the residual sieve of more than 95 percent and the residual sieve of each mesh number of more than 95 percent, namely, grinding the fabric into fine powder with the particle size of 20-60 percent and the residual sieve of 100 meshes, and then distributing the fabric on a bottom material layer by adopting a multi-pipe material distribution system to form a fabric layer;
the fabric is made of a light-transmitting material or a mixture of the light-transmitting material and a colored material;
the light-transmitting material comprises the following components in percentage by weight: 12% of white clay, 15% of black talc, 22% of ultra-white stone powder, 19% of high-alumina potassium-sodium sand, 20% of water-washed black mud, 4% of water-washed kaolin and 8% of A-grade black mud;
after pigment is removed from the colored material, the base material comprises the following components in percentage by weight: selecting 4% of washed sodalite, 30% of Longshan potash sand, 37% of Longshan stone grains, 6% of carbon powder 83, 4.5% of washed black mud, 15.5% of raw ore washed black mud and 3% of black talc; and the ratio of the coloring material in the total mixing amount is 40%;
(3) pressing to form a green brick, wherein the thickness of the primer layer accounts for 15% of that of the green brick;
(4) drying the pressed and formed green bricks in a drying kiln, increasing pattern grains on the surfaces of the green bricks through a glaze line by a silk screen decoration process, and increasing the texture of the surfaces of the green bricks by throwing a small amount of dry particles;
(4) and after the mixture is placed into a kiln for firing, the absolute thickness of the fired primer layer is 1mm, and the primer layer is strickled off to obtain the whole transparent brick 3 with a single-surface material layer.
Embodiment 4-a process for preparing a single facer layer through-body light-transmitting tile, comprising the steps of:
(1) applying a brick blank backing material containing 38% of high-alumina pug by weight into a die cavity of a press by adopting a grid to form a backing material layer;
wherein, the water content of the brick blank bottom material is controlled at 6.95%, the particle size is controlled at 20 mesh screen residue less than 1%, 40 mesh screen residue 35-45%, 60 mesh screen residue 80-90%, 100 mesh screen residue > 93%, and each mesh screen residue is an accumulated value;
(2) firstly, performing secondary refining on the fabric with the particle size of 20 meshes and the residual sieve of less than 1 percent, 40 meshes and 34-49 percent, 60 meshes and the residual sieve of more than 95 percent and the residual sieve of each mesh number of more than 95 percent, namely, grinding the fabric into fine powder with the particle size of 20-60 percent and the residual sieve of 100 meshes, and then distributing the fabric on a bottom material layer by adopting a multi-pipe material distribution system to form a fabric layer;
the fabric is made of a light-transmitting material or is formed by matching the light-transmitting material with a colored material;
the light-transmitting material comprises the following components in percentage by weight: 15% of white clay, 12% of black talc, 23% of ultra-white stone powder, 25% of high-alumina potassium-sodium sand, 14% of water-washed black mud, 5% of water-washed kaolin and 6% of A-grade black mud;
after pigment is removed from the colored material, the base material comprises the following components in percentage by weight: 2.3% of selected washed sodalite, 38% of Longshan potash sand, 36% of Longshan stone particles, 6% of carbon powder 83, 5.5% of washed black mud, 11% of raw ore washed black mud and 1.2% of black talc; and the ratio of the coloring material in the total mixing amount is 30 percent;
(3) pressing to form a green brick, wherein the thickness of the primer layer accounts for 18% of that of the green brick;
(4) drying the green bricks after compression molding in a drying kiln, and throwing a small amount of dry particles on the surfaces of the green bricks to increase the texture of the surfaces of the green bricks;
(5) and after the brick is placed into a kiln for firing, the absolute thickness of the fired primer layer is 1.3mm, the primer layer is strickleed off, and the surface material layer and the primer layer of the green brick are polished to obtain the whole transparent brick 4 with a single surface material layer.
Comparative example 1-based on example 1, only the thickness of the primer layer was changed to 25% of the green brick thickness; the rest of the preparation steps and experimental parameter conditions are the same as those of the example 1, and the whole transparent brick 5 with a single surface material layer is obtained.
Comparative example 2-based on example 1, only by changing to the conventional green brick base material, the remaining preparation steps and experimental parameter conditions were the same as those of example 1, and a single-face material layer through-body light-transmitting brick 6 was obtained.
Comparative example 3-based on example 1, only the setting of the grain composition of the green brick base material and the grain composition of the face material were cancelled, the grain size of the green brick base material was 80 to 100 mesh, the grain size of the face material was 80 to 100 mesh, and the rest of the preparation steps and experimental parameter conditions were the same as those in example 1, thereby obtaining a single-face material layer through-body light-transmitting brick 7.
The brick surface effects of the through-body light-transmitting bricks with single material layers respectively prepared in the above embodiments 1 to 4 and the comparative examples 1 to 3 were tested, observed and compared, and the results are shown in the following table 1:
TABLE 1 brick surface effect of all-body light-transmitting brick with different single surface material layers
Figure GDA0002663086870000101
According to the above, it can be seen that the single-face material layer through-body light-transmitting brick prepared in the embodiments 1 to 4 is compared with the comparative embodiments 1 to 3, by adding high-alumina pug in the brick blank backing material, controlling the thickness of the backing material layer formed by the pug, uniformly distributing the material with light-transmitting effect above the backing material layer, effectively adjusting and controlling the brick shape of the whole brick by using the backing material layer, enabling the brick blank to have higher refractoriness and better plasticity, scraping the backing material layer of the baked brick blank, thereby effectively obtaining the single-face material layer through-body light-transmitting brick with characteristics of obviously increased refractoriness and plasticity, stable brick blank structure and no brick face defect, capable of effectively combining the natural texture imitation with the effect of jade, enabling the brick face to have rich patterns and stronger stereoscopic impression and layering sense, and combining different light sources, the effect of more transparent light and shadow is achieved, and the application is wider.
The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.

Claims (8)

1. A preparation process of a whole body light-transmitting brick with a single material layer is characterized in that: the method comprises the following steps:
(1) laying a green brick backing material containing 25-40% of high-alumina pug by weight in a die cavity of a press to form a backing material layer;
(2) laying a fabric on the adobe base material layer to form a fabric layer, wherein the fabric is a light-transmitting material or is formed by matching a light-transmitting material and a colored material;
(3) pressing to form a green brick, wherein the thickness of the primer layer accounts for 10-20% of that of the green brick;
(4) after the mixture is fired in a kiln, the bottom material layer is strickled off, and the whole transparent brick with a single material layer can be obtained;
the water content of the green brick bed charge is controlled to be 6.75-7.45%, the particle size of the green brick bed charge is controlled to be less than 1% of 20-mesh screen residue, 35-45% of 40-mesh screen residue, 80-90% of 60-mesh screen residue and more than 93% of 100-mesh screen residue, and the screen residue of each mesh number is an accumulated value; the fired absolute thickness of the primer layer is less than or equal to 2 mm.
2. The preparation process of the whole transparent brick with the single precoat according to claim 1, characterized in that: the brick blank backing material comprises the following chemical components in percentage by weight: 63-64% SiO2、23~24%Al2O3、0.1~0.2%Fe2O3、0.12~0.14%TiO2、1.0~1.2%CaO、0.6~0.9%MgO、2.8~3.0%K2O、1.3~1.6%Na2O and 6.4-6.6% loss on ignition.
3. The preparation process of the whole transparent brick with the single precoat according to claim 1, characterized in that: the light-transmitting material comprises the following components in percentage by weight: 10-30% of white clay, 8-15% of black talc, 20-40% of ultra-white stone powder, 17-25% of high-alumina potassium-sodium sand, 13-20% of water-washed black mud, 3-7% of water-washed kaolin and 3-8% of A-grade black mud;
after pigment is removed from the colored material, the base material comprises the following components in percentage by weight: 2.3-4.5% of selected washed sodalite, 30-40% of Longshan potash sand, 22-37% of Longshan stone particles, 3-6.5% of carbon powder 83, 2.5-8.5% of washed black mud, 8-16% of raw ore washed black mud and 1.1-3.2% of black talc.
4. The preparation process of the whole transparent brick with the single precoat according to claim 1, characterized in that: when the pigment and the transparent material are mixed, the ratio of the pigment in the total mixing amount is less than 40%.
5. The preparation process of the whole transparent brick with the single precoat according to claim 1, characterized in that: the particle size of the fabric is controlled to be less than 1% of 20-mesh screen residue, 34-49% of 40-mesh screen residue, 80-92% of 60-mesh screen residue and more than 95% of 100-mesh screen residue, and the screen residue of each mesh number is an accumulated value.
6. The preparation process of the whole transparent brick with the single precoat according to claim 1, characterized in that: in the step (2), a fabric secondary refining process is also included before the fabric is applied, the fabric is ground into fine powder again, and the particle size of the fine powder is 20-60% of the particle size of a 100-mesh sieve;
and (4) a brick surface decoration process is also included between the step (3) and the step (4), the pressed and formed brick blank is dried, and the surface of the brick blank is added with the pattern texture through a silk screen, a roller or an ink-jet decoration process, or the surface texture of the brick surface is increased through throwing a small amount of glaze or dry particles.
7. The preparation process of the whole transparent brick with the single precoat according to claim 1, characterized in that: the distribution mode of the adobe base material is grid type distribution, and the distribution mode of the fabric is multi-pipe distribution.
8. The preparation process of the whole transparent brick with the single precoat according to claim 1, characterized in that: and (4) polishing the surface material layer and the bottom material layer of the green brick, wherein the polishing treatment is any one of full polishing, half polishing or soft polishing.
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