KR101102936B1 - Micro porous ceramic tile and manufacturing method thereof - Google Patents

Abstract

The present invention relates to a microporous tile and a method for manufacturing the same, and more particularly, to a microporous tile and a method for producing the microporous structure and the microporous tile made by applying a glaze having a functional on the surface of the porous structure and then firing will be.

The present invention relates to a microporous tile and a method of manufacturing the same, and more particularly, to a microporous structure having a deodorizing effect and a humidity control effect, comprising fly ash, zeolite, activated carbon, diatomaceous earth, clay, kaolin, bentonite, waste glass, and water glass. The microporous tile made by applying a glaze having antimicrobial, anionic and far-infrared radiation effects to the porous structure of the porous structure and the surface of the porous structure and having an antimicrobial, anion-releasing, and far-infrared effect and firing method To provide.

Microporous Tile, Porous Structure, Glaze

Description

Microporous tile and manufacturing method thereof

The present invention relates to a microporous tile and a method for manufacturing the same, and more particularly, to a microporous tile and a method for producing the microporous structure and the microporous tile made by applying a glaze having a functional on the surface of the porous structure and then firing will be.

The present invention relates to a microporous tile and a method of manufacturing the same, and more particularly, to a microporous structure having a deodorizing effect and a humidity control effect, comprising fly ash, zeolite, activated carbon, diatomaceous earth, clay, kaolin, bentonite, waste glass, and water glass. The microporous tile made by applying a glaze having antimicrobial, anionic and far-infrared radiation effects to the porous structure of the porous structure and the surface of the porous structure and having an antimicrobial, anion-releasing, and far-infrared effect and firing method It is about.

Tile refers to flat clay plastic products made to cover building surfaces such as floors and walls. There are various kinds of tiles depending on the material and usage of the tiles. It hardly cracks or discolors afterwards and is particularly durable, so boards are used in kitchens, restrooms, baths and washrooms.

Tile is usually used as a building material to make the building's beautiful appearance by being used for the exterior and floor of a building, but recently, it has various functionalities by adding functional ingredients to materials and glazes during tile manufacturing, Many things are being developed.

For example, Korean Patent Laid-Open Publication No. 1998-068212 can produce a porous stone tile using only clay, not cement, and also a porous stone such as lightening the stone tile, improving insulation, and changing the external color. There is a description of the tile and its manufacturing method.

In addition, Korean Patent Laid-Open Publication No. 2003-042595 moisture-absorbing health tile and a method of manufacturing the same to form a microporous body using a fly ash composed of aggregates as a main composition. However, fly ash composed of agglomerates has a spherical shape, and the fly ash is agglomerated, so it is difficult to obtain a porous structure due to the agglomeration of the agglomerates during the manufacturing process. There are disadvantages.

An object of the present invention is to provide a microporous tile comprising a microporous structure having a microporous structure, and the surface of the microporous structure as a glaze having a functional glaze and a method of manufacturing the same.

In the microporous tile of the present invention, in the construction of the microporous structure, the formation of the microporous structure is performed by mixing the refined fly ash having a spherical xenospare structure by slurry stirring instead of ball milling, and water of crystallization. The dehydration mechanism of the raw material with the addition of the porous structure of the matrix portion, and also includes a raw material excellent in adsorption, deodorizing function, and waste glass of low melting point and high concentration water glass so that the sintering of the substrate is carried out at a low temperature To form a stable microporous structure at low temperature. That is, by forming microporous structure by unbroken spheroidal spherical particles and pores of matrix part by dehydration of crystal water, it improves efficiency of humidity control and deodorization function and antibacterial function by functional material contained in glaze. It also has an excellent effect on far-infrared radiation function and negative ion emission function. On the other hand, the glaze applied to the surface of the microporous structure is manufactured by adding antimicrobial agent, anion agent, far-infrared radiation substance, glass granule to low melting point frit, and applying the glaze to the surface of the porous structure by spray injection method. The shape is formed in glass shape by glass granules to prevent the surface of the surface of the body from being buried, smooth the feel of the surface of the glaze, and give a gap between the particles of the glaze and the particles by spray oil. By communicating with the porous structure, the humidity control and deodorization function can be enhanced. In addition, it is possible to provide a microporous tile and a method of manufacturing the same, which may increase productivity, workability, and yield by firing the baking process at the low temperature in a roller kiln (kiln) in an oxidizing atmosphere. .

The present invention is to provide a microporous tile having a microporous structure and a microporous tile coated with a glaze having functionality on the surface of the porous structure, and a method of manufacturing the same.

The present invention relates to a microporous tile and a method of manufacturing the same, and more particularly, to a microporous structure having a deodorizing effect and a humidity control effect, comprising fly ash, zeolite, activated carbon, diatomaceous earth, clay, kaolin, bentonite, waste glass, and water glass. The microporous tile made by applying a glaze having antimicrobial, anionic and far-infrared radiation effects to the porous structure of the porous structure and the surface of the porous structure and having an antimicrobial, anion-releasing, and far-infrared effect and firing method To provide.

The microporous tile of the present invention is based on fly ash, zeolite, activated carbon, and diatomaceous earth, including clay, kaolin, bentonite, waste glass, and water glass, and the formation of pores in the form of pores in the form of porous particles and matrix parts The glaze applied to the surface of the microporous structure by forming a microporous structure and contains an antimicrobial agent, an anionic agent, and a far-infrared radiation substance to increase the deodorizing function, humidity control function, anion release function, antibacterial function, far infrared radiation function It can be used as a building material to improve a pleasant and healthful indoor environment.

The microporous tile of the present invention is excellent in moisture absorption and moisture-proofing by the microporous structure and the porous structure of the matrix portion, and also excellent in the deodorizing effect, the humidity control ability of the indoor living space, volatile organic compounds, food smell It can keep the pleasant and fresh space by purifying the smell of household garbage.

In addition, the microporous tile of the present invention by applying the glaze on the surface of the porous structure, the anion release effect, antibacterial effect, far infrared radiation effect, surface by anion agent, antimicrobial agent, far infrared radiation material, glass granule, etc. It provides a soft texture effect.

In addition, the microporous tile of the present invention is an environmentally friendly product using recycled raw materials (fly ash, waste glass) and low temperature sintered raw materials, and is plastically sintered, which is advantageous in handling and construction, and also discolored and There is no aging and the surface can be finished with design and glaze for aesthetic effect.

The present invention shows a microporous tile having a microporous structure.

The present invention shows a microporous structure and a microporous tile fired after coating glaze on the surface of the microporous structure.

The microporous structure possessed by the microporous tile of the present invention is 10 to 40% by weight of fly ash, 5 to 20% by weight of zeolite, 1 to 8% by weight of activated carbon, 5 to 20% by weight of diatomaceous earth, 10 to 40% by weight of clay, kaolin 5 The thing containing -20 weight%, bentonite 1-5 weight%, 5-10 weight% of waste glass, and 1-6 weight% of water glass can be used.

In the microporous tile of the present invention, the glaze applied to the surface of the microporous structure is 50 to 90% by weight frit, 3.5 to 10% by weight kaolin, 3.5 to 20% by weight glass granules, and 1 to 6 anionic agents. The thing containing 1 weight%, 1-6 weight% of antibacterial agents, and 1-6 weight% of far-infrared radiation substances can be used.

The frit may contain alkali, alkaline earth and / or B ₂ O ₃ and have a low melting point of 500 to 600 ° C. with a softening point.

The glass granules may be a spherical particle having a size of 0.1 to 0.5 mm and having a melting point capable of maintaining the spherical particles at a melting point of about 900 to 1100 ° C. even at glazing firing temperatures.

The antimicrobial agent may be used as long as the inorganic substance exhibiting antimicrobial activity. As an example of such an antimicrobial agent, an inorganic antimicrobial agent and / or an organic antimicrobial agent containing silver (Ag), zinc (Zn) and / or copper (Cu) ions may be used.

Any of the above anionic agents may be used as long as they are powders of minerals that emit anions. As an example of such an anionic agent, any one or more anionic agents selected from among elite, tourmaline, germanium, and genome may be used.

The far-infrared radioactive material may be used as long as it is a powder of mineral that emits far-infrared emissivity and radiation energy. As one example of such a far infrared ray radioactive material, any one or more far infrared ray radioactive materials selected from elvan, jade, carbon, titania, loess, and charcoal may be used.

The present invention includes a porous structure and a method for producing a microporous tile obtained by applying a glaze to the surface of the porous structure and firing.

The porous structure of the present invention and a method for producing a microporous tile obtained by applying a glaze to the surface of the porous structure after firing are dry firing of the spherical powder (single firing) method and / or dry firing of the spherical powder (secondary) It can be carried out by a double firing method.

The porous structure of the present invention and the method for producing a microporous tile obtained by applying a glaze to the surface of the porous structure after firing are wet production of powder powder (single firing) and / or wet production secondary of powder powder It can be carried out by a double firing method.

Dry production of the spherical powder of the present invention (1) manufacturing method of microporous tile using a single firing method (1) 5 to 20% by weight zeolite based on dry weight, 1 to 8 weight of activated carbon %, 5 to 20% by weight of diatomaceous earth, 10 to 40% by weight of clay, 5 to 20% by weight of kaolin, 1 to 5% by weight of bentonite, 5 to 10% by weight of glass, 1 to 6% by weight of glass of water To obtain a fine grinding step;

(2) a slurry mixing step of obtaining a slurry by stirring and mixing 60 to 90% by weight of the pulverized slurry and 10 to 40% by weight of the fly ash based on the dry weight;

(3) slurry ripening step of ripening the slurry;

(4) a spray dryer powder manufacturing step of producing a spherical powder by the hot spray method of the aged slurry;

(5) a green tile forming step of molding the spherical powder into a green tile at a molding pressure of 400 ± 100 kg / cm ² in a press;

(6) a drying step of drying the molded green tile for 50 ± 10 minutes at a drying temperature of 105 ± 5 ° C .;

(7) Apply the glaze containing glass granules to the surface of the dried green tile at 150 ± 10gr / m ² , or print the printing paste in the design of a roller-type printing system. ) Glaze application step of applying the glaze containing granules to 150 ± 10gr / m ² ;

(8) The green tile in which the glaze is applied is calcined for 30 to 60 minutes in a roller kiln (kiln) consisting of a preheating zone, a firing table and a cooling stand, and 0.5 to 3 at a maximum temperature of the firing table at 650 to 800 ° C. Firing step for minutes;

(9) after the firing step includes a fixed number processing step for reducing the dimensional deviation by processing the dimensional difference of the finished product generated by the calcination temperature deviation.

In addition, the method of manufacturing microporous tiles using the dry production secondary firing method of the spherical powder of the present invention (see FIG. 2B) is performed during the dry production primary firing (Single firing) step of the spherical powder (6). In place of step (6 '), instead of step (7), step (7') and step (8) may be performed instead of step (8).

(6 ') The molded green tile is baked in a roller kiln (kiln) consisting of a preheating table, a baking table, and a cooling stand for 30 to 60 minutes, and 0.5 to 3 minutes at the maximum temperature of the baking table at 650 to 800 ° C. Main firing step to maintain the biscuit (Biscuit) semi-finished product for a while;

(7 ') The glaze containing glass granules is applied to the surface of the first baked biscuit semifinished product at 150 ± 10gr / m ² , or the printing paste is printed in a roller-shaped design of continuous printing method. Glaze application step of applying glaze containing glass granules to 150 ± 10gr / m ² ,

(8 ') The biscuit semi-finished product coated on the surface of the glaze is fired in a roller kiln (kiln) consisting of a preheating stand, a baking stand, and a cooling stand for 30 to 60 minutes, but at a maximum temperature of 650 to 800 ° C. A secondary firing step maintained for 0.5 to 3 minutes;

The method for producing microporous tiles using wet firing (single firing) method of the powder powder of the present invention (see Fig. 3a) is (a) 5 to 20% by weight zeolite based on dry weight, 1 to 8% by weight of activated carbon %, 5 to 20% by weight of diatomaceous earth, 10 to 40% by weight of clay, 5 to 20% by weight of kaolin, 1 to 5% by weight of bentonite, 5 to 10% by weight of glass, 1 to 6% by weight of glass of water To obtain a fine grinding step;

(B) a slurry mixing step of obtaining a slurry by stirring and mixing 60 to 90% by weight of the pulverized slurry and 10 to 40% by weight of the fly ash based on the dry weight;

(C) slurry ripening step of ripening the slurry;

(D) a roll crusher powder manufacturing step of preparing the aged slurry as a cake in a filter press and then producing a powder of 14 mesh or less using a roll crusher and a rotating body;

(E) a green tile forming step of molding the powder of the powder into a tile at a molding pressure of 400 ± 100 kg / cm ² in a press;

(F) drying step of drying the molded green tile for 50 ± 10 minutes at a drying temperature 105 ± 5 ℃;

(G) Apply the glaze containing glass granules to the surface of the dried green tile at 150 ± 10gr / m ² , or print the design of printing paste in the form of a continuous printing roller (Glass) glaze application step of applying a glaze containing granules to 150 ± 10gr / m ² ;

(H) Fire the green tile with the glaze on the surface for 30 to 60 minutes in a roller kiln (kiln) consisting of a preheating zone, a firing zone, and a cooling zone. Firing step of holding and baking for 3 minutes;

(I) includes a fixed number processing step for reducing the dimensional deviation by processing the dimensional difference of the finished product generated by the calcination temperature deviation after the firing step.

The method for producing microporous tiles using the wet production secondary firing method of the powder powder of the present invention (see FIG. 3b) is a step (bar) in the wet production first firing step of the powder powder. Instead of the following (bar '), step (g) step instead of the following (step') and (h) step may be carried out the following step (a ').

(Bar ') The molded green tile is calcined for 30 to 60 minutes in a roller kiln (kiln) consisting of a preheating zone, a firing table and a cooling stand, and 0.5 to 3 minutes at the maximum temperature of the firing table at 650 to 800 ° C. Maintaining and firing for the first firing step of producing a biscuit (Biscuit) semi-finished product;

(G ') After applying the glaze containing glass granules to the surface of the first firing biscuit at 150 ± 10gr / m ² , or printing a design consisting of a printing type roller in a continuous printing method, the glass Glaze application step of applying glaze containing granules to 150 ± 10 gr / m ² ,

(H ') The semi-finished biscuit product coated on the surface of the glaze is fired in a roller kiln (kiln) consisting of a preheating stand, a baking stand and a cooling stand for 30 to 60 minutes, but at a maximum temperature of 650 to 800 ° C. Secondary firing step for 0.5 to 3 minutes,

Hereinafter, the present invention will be described in more detail with reference to the drawings.

The present invention refers to a microporous tile obtained by coating a microporous structure and a glaze having functionality on the surface of the porous structure and then firing it in a roller kiln (kiln).

That is, the microporous tile of the present invention comprises a microporous structure (b in FIG. 1) and a functional glaze (a in FIG. 1) applied to the surface of the porous structure.

The microporous tile of the present invention includes a microporous structure and a glaze layer composed mainly of a raw material having a porous structure, a raw material having an adsorption and deodorizing function, a raw material having a crystal water dehydration structure, and a spherical glaze having functional properties. . The microporous tile may have a humidity control function, a deodorizing function, a far infrared radiation function, an anion emission function, and an antibacterial function by glazing having a porous form and function.

Components of the microporous structure in the present invention include fly ash, zeolite, activated carbon, diatomaceous earth, clay, kaolin, bentonite, waste glass, water glass.

In the present invention, the content of the porous structure component is 10 to 40% by weight of fly ash, 5 to 20% by weight of zeolite, 1 to 8% by weight of activated carbon, 5 to 20% by weight of diatomaceous earth, 10 to 40% by weight of clay, and 5 to 20% by weight of kaolin. %, Bentonite 1-5 weight%, waste glass 5-10 weight%, water glass 1-6 weight%.

In the present invention, when the porous structure is applied under conditions of various components and contents in order to obtain the microporous tile, it is preferable to obtain the microporous structure with the content of the above-mentioned components in order to achieve the object of the present invention.

In the present invention, the main composition of the porous structure of the microporous tile, fly ash, zeolite, activated carbon, and diatomaceous earth is a material constituting the structure of the material in a fine porous form, clay, kaolin, bentonite is a material constituting the crystal water matrix porous structure .

Fly ash, one of the porous structure components of the microporous tile of the present invention, was collected from a thermal power plant and purified, and contained a large amount of 1-100 μm spherical particles having a cenospare structure. The unbroken senofare spherical particles will form micropores in the porous structure.

Zeolite is a mineral having a crystal structure of tetrahedral structure in which silicon and aluminum are coordinated with oxygen, and is called boiling mineral because water vapor is generated when heat is applied. Water molecules present in the microcavity in the crystal are dehydrated when heat is applied to form micropores in the porous structure.

Activated charcoal is a chemical and physical heat treatment of charcoal by applying steam to the charcoal at a temperature of 600 to 900 ° C to further activate the adsorption power of charcoal charcoal. The micropores generated during carbonization of char are fine in the porous structure. It will form pores.

Diatomaceous earth is very light and soft because there are countless gaps in the cell of diatom, and the apparent specific gravity is about 0.5 ~ 0.7 at 700 ℃ and it can absorb 5 times the volume of water. Very many pores form micropores in the porous structure.

Clay, kaolin, and bentonite among the porous structure components of the microporous tile of the present invention are fine minerals containing fine weathering particles and are excellent in plasticity and viscosity, and are advantageous for improving the molding ability, which can enhance the molding and drying strength of the structure. By dehydration of water molecules in the crystal structure, micropores are formed in the porous structure.

Waste glass and water glass of the porous structure components of the microporous tile of the present invention are used as a binder that can be sintered at low temperatures because they have a property of melting at a low temperature.

The above-mentioned main components of the porous structure of the microporous tile are spherical xenospare fly ash and zeolite, activated carbon, and diatomaceous earth having a porous structure, which form a microporous structure during the firing process at about 600 to 800 ° C. to deodorize and control humidity. To provide functionality.

In the present invention, the microporous tile can be used as a finishing material for interior construction by applying a functional glaze on the surface of the porous structure, and antimicrobial function, anion emission function, far infrared radiation function can be enhanced.

In the present invention, the glaze applied to the surface of the porous structure has a low melting point frit, kaolin, glass granules as a basic composition, an antimicrobial agent that gives an antimicrobial effect, an anion agent that induces anion generation, to promote far infrared rays Contains far infrared radiation.

The frit may contain alkali, alkaline earth and / or B ₂ O ₃ and have a low melting point of 500 to 600 ° C. with a softening point.

The glass granules may be a spherical particle having a size of 0.1 to 0.5 mm and having a melting point capable of maintaining the spherical particles at a melting point of about 900 to 1100 ° C. even at glazing firing temperatures.

The antimicrobial agent may be used as long as the inorganic substance exhibiting antimicrobial activity. As an example of such an antimicrobial agent, an inorganic antimicrobial agent and / or an organic antimicrobial agent containing silver (Ag), zinc (Zn) and copper (Cu) ions may be used.

Any of the above anionic agents may be used as long as they are powders of minerals that emit anions. As an example of such an anionic agent, any one or more anionic agents selected from among elite, tourmaline, germanium, and genome may be used.

The far-infrared radioactive material may be used as long as it is a powder of mineral that emits far-infrared emissivity and radiation energy. As one example of the far infrared ray radioactive material, any one or more far infrared ray radioactive materials selected from elvan, jade, carbon, titania, loess, and charcoal may be used.

The glaze is produced in the above-mentioned low melting point frit 50 to 90% by weight, kaolin 3.5 to 10% by weight, glass granules 3.5 to 20% by weight, anionic agents 1 to 6% by weight, antibacterial 1 to 1 It may contain 6% by weight, 1 to 6% by weight of the far infrared ray radioactive material.

In the production of the microporous tile of the present invention, when the ratio of the anionic agent, the antimicrobial agent, and the far-infrared radiation substance is high, the fire resistance of the glaze is increased, causing the peeling phenomenon between the porous structure and the glaze, the roughness of the surface, and the anionic agent, the antibacterial agent, and the far infrared ray. When the ratio of the radioactive material is low, it causes anion generation, antibacterial function, and far infrared ray radiation function. Therefore, the glaze suitable for preparing microporous tiles in the present invention is preferably made of the above-mentioned components and contents.

In the present invention, after coating the glaze on the surface of the porous structure it may be baked to obtain a microporous tile. At this time, the firing may be carried out in a roller kiln (kiln) consisting of a preheating zone, a firing zone, and a cooling zone for 30 to 60 minutes, but may be carried out under the conditions of 0.5 to 3 minutes at a maximum temperature of 650 to 800 ° C. have.

In the present invention, after glazing on the surface of the porous structure to obtain a microporous tile by firing according to the firing conditions changes, it is preferable to perform the firing under the above conditions in order to obtain a microporous tile in accordance with the object of the present invention. Do.

Hereinafter, a method of manufacturing the microporous tile of the present invention will be described in more detail with reference to a dry production method using a spherical powder of FIG. 2.

As shown in Figure 2a, 2b of the present invention a method for producing a microporous tile by dry production method of spherical powder

(1) grinding, mixing and powder manufacturing

In order to obtain a microporous structure, all raw materials except for fly ash having a porous structure are pulverized to prepare a slurry, and then mixed with fly ash and a slurry in a slurry state to be aged to prepare a powder.

Weighing the raw materials of the porous structure except fly ash and putting them in a ball mill with water, and then finely pulverizing wet so that the residual ratio of the slurry is 0.5 to 1.5% (230 mesh) and the specific gravity is 1.45 to 1.6. do. After discharging the wet pulverized slurry into the storage tank, the specific gravity is 1.6-1.7 while uniformly stirring and mixing with the fly ash. The slurry is aged for one or more days, preferably for one to three days, in a stirring process, and then, using a spray dryer, a particle size of 6.0 ± 0.4% of water content of 5-10% or more of 0.5 to 0.08mm in size of 0.5 mm or more. A powder having a particle size of 80 to 90% and a particle size of 0.08 mm or less is 1 to 3%.

(2) Green Tile Forming Step

The powder obtained above is put in a molding mold and press-molded at 400 ± 100kg / cm ² with an actual molding pressure in a hydraulic press to produce a molded product green tile having a mold shape.

According to the shape of the molding frame in the above can be obtained a molded article of various forms such as square, circle, oval, triangle.

(3) Green tile drying or biscuit firing step

Press-molded green tiles are dried at a drying temperature of 105 ± 5 ° C and a drying time of 50 ± 10 minutes to obtain a residual moisture content of 1% or less, preferably 0.5-1%, or to obtain a dried semi-finished product. Instead, a biscuit semi-finished product is produced in a roller kiln (kiln) consisting of a preheating stand, a firing stand, and a cooling stand for 30 to 60 minutes, and maintained at a maximum temperature of 650 to 800 ° C. for 0.5 to 3 minutes.

(4) stage of glazing

Glaze applied to the surface of the dried semi- or biscuit semi-finished product of the porous structure in the manufacture of the microporous tile of the present invention except the glass granules (Frit), kaolin, antimicrobial agent, anionic agent, glaze composition of far-infrared radiation substance To a ball mill with water to prepare a ground glaze of 1 to 3% (325 mesh) residue. After the ground glaze is excavated into a storage tank, glass granules are put and stirred and mixed to prepare a lactose for glazing. The glaze should have a specific gravity of 1.5 to 1.65, and the glaze is applied to the surface of the dried semi- or biscuit semi-finished product of the porous structure in the range of 150 ± 10 gr / m ² to prepare a semi-finished product. It is also possible to add a design printing step applying a printing technique to give an aesthetic effect.

(5) firing of finished products

The semi-finished product coated with glaze on the dried semi-finished product or biscuit semi-finished product of the porous structure is fired in a roller kiln (kiln) to produce a microporous tile. At this time, the firing conditions are fired for 30 to 60 minutes in a roller kiln (kiln) consisting of a preheating zone, a firing zone, and a cooling zone, and fired under the conditions maintained at a maximum temperature of 650 to 800 ° C. for 0.5 to 3 minutes. To manufacture the finished product.

(6) Stationary water processing step

Subsequently, the dimensional difference of the finished product generated by the left and right firing temperature deviation in the firing process may be processed to remove the dimensional deviation to eliminate the dimensional deviation.

In addition, as shown in Figure 3a, 3b is a method for producing a microporous tile by a wet production method of powder powder

Instead of manufacturing powder in the spray dryer in the powder manufacturing step of (1) in the method of manufacturing the microporous tile by the dry production method of the spherical powder

(1 ') Using a roll crusher and a rotating body, the water content of 6.0 ± 0.4%, 14 mesh through powder, preferably 80 to 90% of the particle size of 14 to 50 mesh, the particle size of 50 mesh or less 1 The process of manufacturing the powder set to -10% is included.

The microporous tile prepared by the above method has a deodorizing effect, a moisture absorption and humidity control effect by the microporous particles and the matrix porous structure, and may have anion release effect, antibacterial effect, and far infrared radiation effect by the composition of the glaze. .

On the other hand, the microporous tile of the present invention includes a building finishing material that can be used in the interior wall or ceiling of the building that does not use water.

Investigation of the microporous tile of the present invention and its preparation method, in order to achieve the object of the present invention, it is preferable to provide a microporous tile and the preparation method thereof under the above-mentioned conditions.

Hereinafter, the present invention will be described in detail with reference to Examples and Test Examples. However, these are intended to explain the present invention in more detail, and the scope of the present invention is not limited thereto.

<Examples>

(1) Manufacture of porous structures

25% by weight of fly ash, 10% by weight of zeolite, 5% by weight of activated carbon, 10% by weight of diatomaceous earth, 28% by weight of clay, 10% by weight of kaolin, 2% by weight of bentonite, 7% by weight of waste glass, 3% by weight of water glass % Was basis weight in an automatic balance to prepare a raw material for a porous structure.

For wet grinding, all the raw materials except fly ash were put into a ball mill together with water and operated for 13 hours to obtain a grinding slurry having a specific gravity of 1.43 and a residual ratio of 1.25% (230 mesh standard). The slurry was discharged into a stirring tank, and then stirred and mixed while introducing a fly ash. The stirred and mixed slurry was prepared in a spray dryer to prepare a porous structure having a spherical powder shape of 6.2% of powder moisture, 0.5 mm or more of powder particle size, 9.2%, and powder particle size of 0.08 mm or less and 2.3%.

The spherical powder-shaped porous structure is put into a mold punch of a hydraulic press and pressurized at a pressure of 330 kg / cm ² to produce a molded semifinished product having a size of 300 mm × 600 mm × 5 mm. Biscuit semi-finished products were manufactured in a roller kiln made of a kiln, with a maximum temperature of 760 ° C, a holding time of 2 minutes, and a total baking time of 38 minutes.

(2) manufacture of glazes

Based on the dry weight, glaze raw material of 70% by weight of low melting frit, 7% by weight of kaolin, 10% by weight of glass granule, 4% by weight of anionic agent, 4% by weight of antimicrobial agent, and 5% by weight of far infrared ray radioactive material Ready.

Among the glaze raw materials, the remaining raw materials except glass granules were put into a ball mill with water and operated to prepare a primary slurry of glaze having a residue ratio of 1.8% (325 mesh) and a specific gravity of 1.55. A dry oil glaze having a specific gravity of 1.6 was prepared by stirring and mixing 10% by weight of glass granules in 90% by weight of glaze primary slurry.

The anionic agent used in the glaze was made of a 1: 1: 1 weight ratio of tourmaline, elite and germanium, and the antimicrobial agent was a zeolite-based inorganic material substituted with silver (Ag), zinc (Zn) and copper (Cu). Antibacterial agents were used. In addition, the far-infrared radioactive material was used as a raw material mixed with elvan and titania in a 1: 1 weight ratio.

The glaze was applied to the surface of the biscuit semifinished product obtained in the above (1) by 145gr / m ² with a spray gun with a nozzle of 1.5mm to prepare a semi-finished semifinished product.

(3) firing

In the roller firing kiln (the kiln) In the roller kiln (Kiln) consisting of a preheating zone, a baking stand, and a cooling stand, a finished product of the microporous tile was manufactured at a maximum temperature of 800 ° C, a holding time of 2 minutes, and a total baking time of 45 minutes.

<Test Example 1>

XRF (X-ray fluorescence spectrometer) analyzer for the chemical composition of the porous structural material of the fly ash, clay, kaolin, diatomaceous earth, zeolite, bentonite, waste glass, water glass used in the above embodiment and the porous structure prepared therefrom Analysis using the result is shown in the following Table 1-1, Table 1-2.

Table 1-1. Result of Component Analysis of Porous Structure Raw Material and Porous Structure

Sample Name SiO ₂ Al ₂ O ₃ Fe ₂ O ₃ CaO MgO Fly ash 51.99 32.43 5.52 2.32 1.40 clay 56.09 26.82 0.64 0.06 0.37 kaoline 50.12 29.89 1.04 3.94 1.06 Diatomaceous earth 71.81 9.42 2.04 0.26 0.80 Zeolite 67.20 13.14 1.38 1.61 1.25 Bentonite 69.29 14.44 1.85 1.04 1.78 Waste glass 53.90 13.70 - 22.40 0.44 water glass 37.00 - 0.05 - - Porous structure 55.52 23.72 1.17 1.37 0.90

Table 1-2. Result of Component Analysis of Porous Structure Raw Material and Porous Structure

Sample Name K ₂ O Na ₂ O TiO ₂ B ₂ O ₃ Ig..loss Fly ash 0.79 0.36 1.61 - 2.88 clay 1.06 0.15 0.30 - 11.55 kaoline 0.34 1.54 0.09 - 9.31 Diatomaceous earth 1.23 0.65 0.34 - 9.65 Zeolite 2.77 2.99 0.26 - 5.11 Bentonite 1.89 2.65 0.28 - 5.12 Waste glass 0.14 0.97 0.32 7.34 - water glass - 17.50 - - - Porous structure 0.76 2.26 0.25 0.42 9.25

<Test Example 2>

The plastic properties such as plastic shrinkage rate, ignition loss, water absorption rate, and plastic strength of the porous structure, which is the microporous tile manufactured in the above embodiment, were measured by the test method of KS standard, and the results are shown in Table 2 below.

Table 2. Plastic Properties of Porous Structures

Plastic shrinkage Ignition loss Absorption rate Plastic strength 0.53% 9.36% 26.58% 93.2kg / cm ²

<Test Example 3>

Far-infrared emissivity and radiation energy measurement results of the microporous tile finished product prepared in Example are shown in Table 3 below.

In the above, the far-infrared emissivity and the radiation energy of the finished microporous tile were measured using a FT-IR spectrometer at 40 ° C. compared to the black body, and the microporous tile prepared in the above example had a high emissivity of 92.4% and 3.73. It was confirmed that the radiation energy of × 10 ^-2 W / m ² .

Table 3. Far Infrared Emissivity and Radiation Energy of Microporous Tiles

Item Average emissivity (5 ~ 20㎛) Radiation energy (W / m ² ) Microporous Tiles of Examples 0.924 3.73 × 10 ^-2

<Test Example 4>

The amount of negative ions released from the microporous tiles prepared in the above example was measured and the results are shown in Table 4 below.

In the anion emission test of the microporous tile, a ground ion-tester was grounded on the surface of the microporous tile, and the number of anion emission was measured. As a result, high anion emission of 1,210ion / cc was confirmed. .

Table 4. Measurement result of negative ion release amount of microporous tile

Item Anion Release Microporous Tiles of Examples 1,210 ion / cc

&Lt; Test Example 5 >

Deodorization test of ammonia and formaldehyde was measured for the microporous tiles prepared in the above example, and the results are shown in Table 5 below.

The deodorization test for ammonia and formaldehyde of microporous tiles in Table 5 is the result of measuring residual gas concentration by FT-IR. The deodorization rate of ammonia and formaldehyde is 96.8% and 83.5% after 120 minutes. Could.

Table 5. Ammonia Deodorization Test Results of Microporous Tiles

Item Test Items Elapsed time (minutes) Deodorization rate (%) Microporous Tiles of Examples ammonia 120 96.8 Formaldehyde 120 83.5

<Test Example 6>

The moisture absorption and moisture dampness of the microporous tiles prepared in the above example were measured and the results are shown in Table 6 below.

The measurement of the moisture absorption amount and moisture-proof amount of the above microporous tile is measured at 25 ° C., 90% relative humidity (RH), and after 24 hours of standing in a thermo-hygrostat, 25 ° C., 50% relative humidity (RH), after a 24 hours measure the moisture-proof amount after left standing was confirmed that the moisture absorption amount of the moisture barrier and the amount of 286gr / m ² of 301gr / m ^2.

Table 6. Measurement results of moisture absorption and moisture resistance of microporous tiles

Item Test Items Measurement result (gr / m ² ) Measuring conditions Microporous Tiles of Examples Moisture absorption 301 25 ° C, RH 90%, 24 hours Moisture proof 286 25 ° C, RH 50%, 24 hours

<Test Example 7>

The antimicrobial test of the microporous tiles prepared in the above example was measured and the results are shown in Table 7 below.

According to the antimicrobial test of the microporous tile, the antimicrobial activity of the tested strains Staphylo coccus aureus ACTT 6538 ( E. coli ) and Escherichia coli ATCC 25922 (E. coli) was confirmed to be 99.8% high, respectively. there was.

Table 7. Antimicrobial Test Results of Microporous Tiles

Item Test Items Bacterial Reduction Rate (%) Microporous Tiles of Examples Staphylococcus aureus 99.8 Escherichia coli 99.8

As described above, although described with reference to a preferred embodiment of the present invention, those skilled in the art will be variously modified and modified within the scope of the present invention without departing from the spirit and scope of the invention described in the claims below. It will be appreciated that it can be changed.

1 is an exemplary view of a microporous tile according to an embodiment of the present invention.

Figure 2a is a process chart showing the dry production primary firing method of the spherical powder in the method for producing a microporous tile according to the present invention,

Figure 2b is a process chart showing the dry production secondary firing method of the spherical powder in the method for producing a microporous tile according to the present invention.

Figure 3a is a process chart showing the primary production method of wet production of powder powder in the method of manufacturing microporous tiles according to the present invention,

Figure 3b is a process chart showing the wet production secondary firing method of the powder powder in the method for producing a microporous tile according to the present invention.

Claims (7)

Fly ash 10-40 wt%, zeolite 5-20 wt%, activated carbon 1-8 wt%, diatomaceous earth 5-20 wt%, clay 10-40 wt%, kaolin 5-20 wt%, bentonite 1-5 wt%, A porous structure comprising 5 to 10% by weight of waste glass and 1 to 6% by weight of water glass, and a microporous tile obtained by applying a glaze to the surface of the porous structure and baking it. delete According to claim 1, the glaze is 70 to 90% by weight frit, 3.5 to 10% by weight kaolin, 3.5 to 20% by weight glass granules, 1 to 6% by weight of anionic agents, 1 to 6% by weight antibacterial , 1 to 6% by weight of far-infrared radiation material, microporous tile. Zeolite 5-20 wt%, activated carbon 1-8 wt%, diatomaceous earth 5-20 wt%, clay 10-40 wt%, kaolin 5-20 wt%, bentonite 1-5 wt%, feglass 5-10 wt%, A fine grinding step of pulverizing 1 to 6 wt% of water glass to obtain a finely ground slurry; A slurry mixing step of obtaining a slurry by stirring and mixing 60 to 90% by weight of the pulverized slurry and 10 to 40% by weight of the fly ash; Slurry ripening step of aging the slurry; Spray dryer powder manufacturing step of producing a spherical powder by the hot slurry method of the aged slurry; A green tile forming step of molding the spherical powder into a green tile at a molding pressure of 400 ± 100 kg / cm ² in a press; Drying the molded green tile at a drying temperature of 105 ± 5 ° C. for 50 ± 10 minutes; Apply glass glaze containing glass granules to the surface of the dried green tile at 150 ± 10gr / m ² , or print the printing paste in a roller-type design for continuous printing. Glaze application step of applying the contained glaze at 150 ± 10gr / m ² ; While firing the green tile in which the glaze is lubricated for 30 to 60 minutes in a roller kiln consisting of a preheating zone, a firing stand and a cooling stand, the firing stand is maintained at a maximum temperature of 650 to 800 ° C. for 0.5 to 3 minutes. Firing step of firing; Process for producing a microporous tile, characterized in that it comprises a stationary water processing step of reducing the dimensional deviation by processing the dimensional difference of the finished product generated by the calcination temperature deviation after the firing step. Zeolite 5-20 wt%, activated carbon 1-8 wt%, diatomaceous earth 5-20 wt%, clay 10-40 wt%, kaolin 5-20 wt%, bentonite 1-5 wt%, feglass 5-10 wt%, A fine grinding step of pulverizing 1 to 6% by weight of water glass to obtain a finely ground slurry; A slurry mixing step of obtaining a slurry by stirring and mixing 60 to 90% by weight of the pulverized slurry and 10 to 40% by weight of the fly ash; Slurry ripening step of aging the slurry; Spray dryer powder manufacturing step of producing a spherical powder by the hot slurry method of the aged slurry; A green tile forming step of molding the spherical powder into a green tile at a molding pressure of 400 ± 100 kg / cm ² in a press; The molded green tile is baked in a roller kiln consisting of a preheating zone, a firing zone, and a cooling zone for 30 to 60 minutes, and the biscuit is maintained under the conditions of 0.5 to 3 minutes at a maximum temperature of 650 to 800 ° C. Biscuit) the first firing step of manufacturing a semi-finished product; The glaze containing glass granules is applied to the surface of the first baked biscuit semi-finished product at 150 ± 10gr / m ² , or the printing paste is printed on a roller-type design of continuous printing method and then glass. Glaze lactation step of applying glaze containing granules to 150 ± 10gr / m ² , The biscuit semi-finished product coated on the surface of the glaze is fired for 30 to 60 minutes in a roller kiln consisting of a preheating zone, a baking stand, and a cooling stand, and maintained at a maximum temperature of 650 to 800 ° C. for 0.5 to 3 minutes. A secondary firing step of firing under conditions; Method for producing a microporous tile, characterized in that it comprises a stationary water processing step of reducing the dimensional deviation by processing the dimensional difference of the finished product generated by the deviation of the firing temperature after the secondary firing step. Zeolite 5-20 wt%, activated carbon 1-8 wt%, diatomaceous earth 5-20 wt%, clay 10-40 wt%, kaolin 5-20 wt%, bentonite 1-5 wt%, feglass 5-10 wt%, A fine grinding step of pulverizing 1 to 6 wt% of water glass to obtain a finely ground slurry; A slurry mixing step of obtaining a slurry by stirring and mixing 60 to 90% by weight of the pulverized slurry and 10 to 40% by weight of the fly ash; Slurry ripening step of aging the slurry; A roll crusher powder manufacturing step of preparing the aged slurry as a cake in a filter press and then preparing a powder of 14 mesh or less using a roll crusher and a rotating body; A green tile forming step of forming the powder of the powder into a tile at a molding pressure of 400 ± 100 kg / cm ² in a press; Drying the molded green tile for 50 ± 10 minutes at a drying temperature of 105 ± 5 ° C .; Apply glaze containing glass granules to the surface of the dried green tile at 150 ± 10gr / m ² , or print a design consisting of a roller in a continuous printing method Glaze application step of applying the glaze containing granules to 150 ± 10gr / m ² ; The green tile oiled on the surface of the glaze is fired for 30 to 60 minutes in a roller kiln consisting of a preheating zone, a firing zone, and a cooling zone, and maintained at a maximum temperature of 650 to 800 ° C. for 0.5 to 3 minutes. Firing step under conditions; Process for producing a microporous tile, characterized in that it comprises a stationary water processing step of reducing the dimensional deviation by processing the dimensional difference of the finished product generated by the calcination temperature deviation after the firing step. Zeolite 5-20 wt%, activated carbon 1-8 wt%, diatomaceous earth 5-20 wt%, clay 10-40 wt%, kaolin 5-20 wt%, bentonite 1-5 wt%, feglass 5-10 wt%, A fine grinding step of pulverizing 1 to 6 wt% of water glass to obtain a finely ground slurry; A slurry mixing step of obtaining a slurry by stirring and mixing 60 to 90% by weight of the pulverized slurry and 10 to 40% by weight of the fly ash; Slurry ripening step of aging the slurry; A roll crusher powder manufacturing step of preparing the aged slurry as a cake in a filter press and then preparing a powder of 14 mesh or less using a roll crusher and a rotating body; A green tile forming step of forming the powder of the powder into a tile at a molding pressure of 400 ± 100 kg / cm ² in a press; The molded green tile is baked in a roller kiln consisting of a preheating zone, a firing zone, and a cooling zone for 30 to 60 minutes, and the biscuit is maintained under the conditions of 0.5 to 3 minutes at a maximum temperature of 650 to 800 ° C. Biscuit) the first firing step of manufacturing a semi-finished product; Apply glass glaze containing glass granules to the surface of the first firing biscuit at 150 ± 10gr / m ² , or print the design of the printing paste in the form of a continuous printing roller Glaze application step of applying the glaze containing 150 ± 10gr / m ² , The biscuit semi-finished product coated on the surface of the glaze is fired for 30 to 60 minutes in a roller kiln consisting of a preheating zone, a baking stand, and a cooling stand, and maintained at a maximum temperature of 650 to 800 ° C. for 0.5 to 3 minutes. Secondary firing step of firing under conditions, Method for producing a microporous tile, characterized in that it comprises a stationary water processing step of reducing the dimensional deviation by processing the dimensional difference of the finished product generated by the deviation of the firing temperature after the secondary firing step.

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