1. A manufacturing method of a negative oxygen ion ecological ceramic tile is characterized in that: the method comprises the following steps:

(1) preparing blank bottom powder:

the mass percentage of the powder material at the bottom layer of the blank body is as follows: 10% of quartz, 18% of clay, 3% of talcum, 30% of potash-sodalite, 5% of kaolin, 10% of fly ash, 12% of coal gangue, 8% of precipitated mud and 4% of broken bricks;

the particle grade of the powder of the bottom layer of the blank body is as follows: less than or equal to 0.5 percent on 20 meshes, 20 to 30 percent on 40 meshes, 30 to 50 percent on 40 to 60 meshes and less than 3 percent under 100 meshes;

the chemical composition percentage of the bottom powder of the blank body is as follows: fe₂O₃：0.5％、MgO：1％、CaO：0.8％、TiO₂：0.3％、Al₂ O₃：21％；SiO₂：66％、K₂ O：3.2％、Na₂O: 2.5 percent, and the powder of the bottom layer of the blank is detected by a rapid analyzer, and the specific technical indexes are as follows: firing synthetic color: 48 DEG, shrinkage: 9% and scorching: 3.5 percent;

the water content of the powder of the bottom layer of the blank body is as follows: 8.0-8.5%, the particle size composition is: not more than 0.5% on 20 meshes, 20-40 meshes: 20-30%, 40-60 mesh: 30-50% and less than 3% under 100 meshes;

(2) preparing a blank body:

crushing tourmaline, removing iron, washing with water, drying to 20 mesh and 60 mesh, and collecting the material below 20 mesh and 60 mesh for use;

mixing 100% of the powder of the bottom layer of the green body with 3-5% of the crushed tourmaline, stirring, uniformly sieving the powder of the bottom layer of the green body and the tourmaline, and then feeding the powder of the bottom layer of the green body and the tourmaline into a press by a conveyor belt for molding to prepare a green body.

(3) Drying the green body, namely conveying the pressed and molded green body to a drying kiln, firstly drying at 200 ℃ for 30min, and then drying at 200-150 ℃ for 30min to prepare a ceramic tile green body, wherein the water content of the ceramic tile green body reaches below 0.5%, the brick discharging temperature is controlled at 100-110 ℃, and the drying strength reaches 1.2-1.5 bar;

(4) water spraying of the glaze line: after the ceramic tile green body is taken out of the drying kiln, sending the ceramic tile green body into a glaze line for spraying water, wherein the water application amount is 40-60g, so as to protect the surface of the ceramic tile green body from being wet and open pores on the surface of the ceramic tile green body;

(5) preparing overglaze:

the overglaze comprises the following raw materials in percentage by weight: potassium feldspar: 35-40% of frit: 3-5%, talc: 3-5%, albite: 18-22%, calcined soil: 20-30%, kaolin: 10 to 15 percent;

the frit comprises the following chemical components in percentage by weight: na (Na)₂O：10％、CaO：20％、ZrSiO₄：25％、Al₂O₃：15％、SiO₂：10％、B₂O₃：20％；

The overglaze comprises the following chemical components: SiO 2₂：60％、Al₂O₃：23％、Fe₂ O₃：0.3％、CaO：1.3％、MgO：1％、K₂ O：1.5％、Na₂O：3％、TiO₂：0.3％、BaO：0.2％、ZrSiO₄: 5.1 percent, the glazing weight of the overglaze is as follows: 450-500 g;

(6) ink-jet printing: the design and color of the board are adjusted according to the design and color requirements

(7) And (3) glaze polishing preparation:

the glaze-polishing layer comprises the following raw materials in percentage by weight: potassium feldspar: 25% of frit: 20%, kaolin: 10%, zinc oxide: 3.5%, barium carbonate: 6.5%, calcite: 5%, talc: 5%, corundum: 3%, strontium carbonate: 2%, albite: 5% of dolomite: 10 percent;

(8) preparing a base glaze: applying a base coat at the bottom of the ceramic tile blank, wherein the base coat comprises the following raw materials in percentage by weight: 100% magnesium oxide; the preparation method comprises the following steps: putting raw materials of the ground glaze into ball milling equipment, performing ball milling to prepare ground glaze slurry, sieving the ground glaze slurry subjected to ball milling through a 250-mesh sieve, and controlling the specific gravity to be as follows: 1.15-1.25g/cm³；

(9) Firing the ceramic tile blank treated in the step (8) at 45-980 ℃ for 10min, then at 980-1180 ℃ for 15min, then at 1200 ℃ for 10min, and finally cooling at 1000 ℃ for 10 min;

(10) polishing and waxing by a polishing machine.

2. The manufacturing method of the negative oxygen ion ecological ceramic tile according to claim 1, characterized in that: the preparation process of the powder of the bottom layer of the blank in the step (1) comprises the following steps: firstly, crushing, roasting, grinding and pickling coal porphyry, sieving the porphyry by a sieve of 80 meshes, completely passing the porphyry, then loading the porphyry into a feeding machine, proportioning the porphyry by a full-automatic proportioning system according to a formula of blank bottom powder, uniformly mixing the porphyry, then loading the porphyry into continuous ball mill equipment, carrying out ball milling to prepare bottom slurry, guiding the ground bottom slurry into a drying tower to be dried, and preparing the blank bottom powder for later use.

3. The manufacturing method of the negative oxygen ion ecological ceramic tile according to claim 1, characterized in that: the preparation process of the overglaze raw material in the step (5) comprises the following steps of weighing raw materials according to an overglaze formula, uniformly mixing, putting into ball milling equipment, ball milling to prepare overglaze slurry, sieving the ball-milled overglaze slurry with a 325-mesh sieve, uniformly stirring, wherein the fineness is 0.2-0.5%, and the specific gravity is as follows: 1.8-1.87g/cm³The flow rate is: 35 "-70".

4. The manufacturing method of the negative oxygen ion ecological ceramic tile according to claim 1, characterized in that: the glaze polishing raw material preparation process in the step (7) comprises the following steps: weighing the raw materials according to a glaze polishing formula, uniformly mixing, putting into ball milling equipment, and performing ball milling to prepare glaze polishing slurry, wherein the glaze polishing slurry discharged from the ball milling is sieved by a 325-mesh sieve, and the specific gravity is as follows: 1.84-1.88g/cm³The flow rate is: 35 '-70', fineness is: 0.3-0.5%, wherein the polishing slurry comprises the following chemical components in percentage by weight: SiO 2₂：63％、Al₂O₃：17％、Fe₂O₃：0.3％、CaO：3％、MgO：1.5％、K₂O：3.2％、Na₂O：2.5％、TiO₂: 0.3 percent, the glazing weight of the glaze polishing layer is as follows: 450 and 500 g.

5. The manufacturing method of the negative oxygen ion ecological ceramic tile according to claim 2, characterized in that: the water content of the bottom slurry discharged from the ball mill is as follows: 35-38%, and the specific gravity is: 1.63-1.68g/cm³The flow rate is: 30 '-50', the fineness of the screening is: the residue of the 250-mesh sieve is 1.5-1.8%.

Background

Along with the improvement of living standard of people, the demand of healthy life is higher and higher, healthy decoration is the first choice of people, however, many decorative materials use chemical synthesis articles such as adhesive and plastic components during the manufacturing, in the using process, the substances can gradually release toxic substances, plastics, wallpaper, chemical fibers, carpets and the like can cause the rise of indoor formaldehyde, and in addition, paints and coatings also contain organic matters such as ethylene dioxide, dicyanomethane and the like, and the toxic substances can be slowly released after decoration and completely volatilize for several years, so that the negative oxygen ion ecological ceramic tile which can effectively reduce harmful substances in the air, remove peculiar smell and purify the indoor air is urgently needed, and an ecological and healthy home environment is provided for users.

Disclosure of Invention

In order to solve the defects of the prior art, the method for manufacturing the negative oxygen ion ecological ceramic tile mainly adopts tourmaline added in the powder pressing process, and the tourmaline can continuously release negative oxygen ions for a long time, effectively reduce harmful substances in the air, remove peculiar smell and purify indoor air.

The manufacturing method of the negative oxygen ion ecological ceramic tile provided for realizing the purpose of the invention comprises the following steps:

(1) preparing blank bottom powder:

the mass percentage of the powder material at the bottom layer of the blank body is as follows: 10% of quartz, 18% of clay, 3% of talcum, 30% of potash-sodalite, 5% of kaolin, 10% of fly ash, 12% of coal gangue, 8% of precipitated mud and 4% of broken bricks;

the particle grade of the powder of the bottom layer of the blank body is as follows: less than or equal to 0.5 percent on 20 meshes, 20 to 30 percent on 40 meshes, 30 to 50 percent on 40 to 60 meshes and less than 3 percent under 100 meshes;

chemistry of the powder of the bottom layer of the blankThe components by percentage are as follows: fe₂O₃：0.5％、MgO：1％、CaO：0.8％、TiO₂：0.3％、Al₂O₃：21％；SiO₂：66％、K₂O：3.2％、Na₂O: 2.5 percent, and the powder of the bottom layer of the blank is detected by a rapid analyzer, and the specific technical indexes are as follows: firing synthetic color: 48 DEG, shrinkage: 9% and scorching: 3.5 percent;

the water content of the powder of the bottom layer of the blank body is as follows: 8.0-8.5%, the particle size composition is: not more than 0.5% on 20 meshes, 20-40 meshes: 20-30%, 40-60 mesh: 30-50% and less than 3% under 100 meshes;

(2) preparing a blank body:

crushing tourmaline, removing iron, washing with water, drying to 20 mesh and 60 mesh, and collecting the material below 20 mesh and 60 mesh for use;

mixing 100% of the powder of the bottom layer of the green body with 3-5% of the crushed tourmaline, stirring, uniformly sieving the powder of the bottom layer of the green body and the tourmaline, and then feeding the powder of the bottom layer of the green body and the tourmaline into a press by a conveyor belt for molding to prepare a green body.

(3) Drying the green body, namely conveying the pressed and molded green body to a drying kiln, firstly drying at 200 ℃ for 30min, and then drying at 200-150 ℃ for 30min to prepare a ceramic tile green body, wherein the water content of the ceramic tile green body reaches below 0.5%, the brick discharging temperature is controlled at 100-110 ℃, and the drying strength reaches 1.2-1.5 bar;

(4) water spraying of the glaze line: after the ceramic tile green body is taken out of the drying kiln, sending the ceramic tile green body into a glaze line for spraying water, wherein the water application amount is 40-60g, so as to protect the surface of the ceramic tile green body from being wet and open pores on the surface of the ceramic tile green body;

(5) preparing overglaze:

the overglaze comprises the following raw materials in percentage by weight: potassium feldspar: 35-40% of frit: 3-5%, talc: 3-5%, albite: 18-22%, calcined soil: 20-30%, kaolin: 10 to 15 percent;

the frit comprises the following chemical components in percentage by weight: na (Na)₂O：10％、CaO：20％、ZrSiO₄：25％、Al₂O₃：15％、SiO₂：10％、B₂O₃：20％；

The overglaze comprises the following chemical components: SiO 2₂：60％、Al₂O₃：23％、Fe₂O₃：0.3％、CaO：1.3％、MgO：1％、K₂O：1.5％、Na₂O：3％、TiO₂：0.3％、BaO：0.2％、ZrSiO₄: 5.1 percent, the glazing weight of the overglaze is as follows: 450-500 g;

(6) ink-jet printing: the design and color of the board are adjusted according to the design and color requirements

(7) And (3) glaze polishing preparation:

the glaze-polishing layer comprises the following raw materials in percentage by weight: potassium feldspar: 25% of frit: 20%, kaolin: 10%, zinc oxide: 3.5%, barium carbonate: 6.5%, calcite: 5%, talc: 5%, corundum: 3%, strontium carbonate: 2%, albite: 5% of dolomite: 10 percent;

(8) preparing a base glaze: applying a base coat at the bottom of the ceramic tile blank, wherein the base coat comprises the following raw materials in percentage by weight: 100% magnesium oxide; the preparation method comprises the following steps: putting raw materials of the ground glaze into ball milling equipment, performing ball milling to prepare ground glaze slurry, sieving the ground glaze slurry subjected to ball milling through a 250-mesh sieve, and controlling the specific gravity to be as follows: 1.15-1.25g/cm³；

(9) Firing: firing the ceramic tile blank treated in the step (8) at 45-980 ℃ for 10min, then at 980-1180 ℃ for 15min, then at 1200 ℃ for 10min, and finally cooling at 1000 ℃ for 10 min;

(10) polishing and waxing by a polishing machine.

As a further improvement of the scheme, the preparation process of the powder of the bottom layer of the blank in the step (1) comprises the following steps: firstly, crushing, roasting, grinding and pickling coal porphyry, sieving the porphyry by a sieve of 80 meshes, completely passing the porphyry, then loading the porphyry into a feeding machine, proportioning the porphyry by a full-automatic proportioning system according to a formula of blank bottom powder, uniformly mixing the porphyry, then loading the porphyry into continuous ball mill equipment, carrying out ball milling to prepare bottom slurry, guiding the ground bottom slurry into a drying tower to be dried, and preparing the blank bottom powder for later use.

As a further improvement of the above scheme, the preparation process of the overglaze raw material in the step (5) comprises the steps of weighing raw materials according to an overglaze formula, uniformly mixing, putting into ball milling equipment, ball milling to prepare overglaze slurry, and discharging the ball-milled overglaze slurrySieving with 325 mesh sieve, stirring to obtain a fine powder of 0.2-0.5%, and mixing at a given ratio: 1.8-1.87g/cm³The flow rate is: 35 "-70".

As a further improvement of the above scheme, in the step (7), the preparation process of the glaze polishing raw material comprises: weighing the raw materials according to a glaze polishing formula, uniformly mixing, putting into ball milling equipment, and performing ball milling to prepare glaze polishing slurry, wherein the glaze polishing slurry discharged from the ball milling is sieved by a 325-mesh sieve, and the specific gravity is as follows: 1.84-1.88g/cm³The flow rate is: 35 '-70', fineness is: 0.3-0.5%, wherein the polishing slurry comprises the following chemical components in percentage by weight: SiO 2₂：63％、Al₂O₃：17％、Fe₂O₃：0.3％、CaO：3％、MgO：1.5％、K₂O：3.2％、Na₂O：2.5％、TiO₂: 0.3 percent, the glazing weight of the glaze polishing layer is as follows: 450 and 500 g.

As a further improvement of the scheme, the water content of the bottom layer slurry discharged from the ball mill is as follows: 35-38%, and the specific gravity is: 1.63-1.68g/cm³The flow rate is: 30 '-50', the fineness of the screening is: the residue of the 250-mesh sieve is 1.5-1.8%.

The invention has the beneficial effects that:

compared with the prior art, the method for manufacturing the negative oxygen ion ecological ceramic tile provided by the invention utilizes the novel green energy-saving environment-friendly fly ash to manufacture the negative oxygen ion ecological ceramic tile, the mineral tourmaline is mainly added in the powder pressing process, the tourmaline has various colors of black, rose and dark green, in addition, the tourmaline often forms color bands with different colors along the transverse section of the column body, crystal transparent and bright points are dotted in the burnt ecological stone blank of the negative oxygen ions, and meanwhile, the tourmaline can excite water molecules in the air, thereby generating a large amount of negative oxygen ions which can effectively reduce harmful substances in the air to form pure air, thereby reach the effect that the peculiar smell was removed to the miscellaneous fungus of haze clearance, air-purifying, and then provide ecological healthy environment at home for the user.

Drawings

The following detailed description of embodiments of the invention is provided in conjunction with the appended drawings, in which:

FIG. 1 is a process flow diagram of the present invention.

Detailed Description

As shown in fig. 1, the method for manufacturing the negative oxygen ion ecological ceramic tile provided for achieving the purpose of the invention comprises the following steps: (1) preparing blank bottom powder:

the mass percentage of the powder material at the bottom layer of the blank body is as follows: 10% of quartz, 18% of clay, 3% of talcum, 30% of potash-sodalite, 5% of kaolin, 10% of fly ash, 12% of coal gangue, 8% of precipitated mud and 4% of broken bricks; the preparation process of the blank bottom powder comprises the following steps: firstly, crushing, roasting, grinding and acid washing coal porphyry, sieving with a 80-mesh sieve, completely passing the sieved coal porphyry, then loading the sieved coal porphyry into a feeding machine, proportioning by using a full-automatic proportioning system according to a blank bottom powder formula, uniformly mixing, then loading into continuous ball mill equipment, and ball-milling to prepare bottom slurry, wherein the water content of the ball-milled bottom slurry is as follows: 35-38%, and the specific gravity is: 1.63-1.68g/cm³The flow rate is: 30 '-50', the fineness of the screening is: the residue of the 250-mesh sieve is 1.5-1.8%, and the ground bottom slurry is introduced into a drying tower to be dried to prepare blank bottom powder for later use.

The particle grade of the powder of the bottom layer of the blank body is as follows: less than or equal to 0.5 percent on 20 meshes, 20 to 30 percent on 40 meshes, 30 to 50 percent on 40 to 60 meshes and less than 3 percent under 100 meshes;

the chemical composition percentage of the blank bottom layer powder material is as follows: fe₂O₃：0.5％、MgO：1％、CaO：0.8％、TiO₂：0.3％、Al₂O₃：21％；SiO₂：66％、K₂O：3.2％、Na₂O: 2.5 percent of the powder of the bottom layer of the blank is detected by a rapid analyzer, and the specific technical indexes are as follows: firing synthetic color: 48 DEG, shrinkage: 9% and scorching: 3.5 percent;

the water content of the powder of the bottom layer of the blank body is as follows: 8.0-8.5%, the particle size composition is: not more than 0.5% on 20 meshes, 20-40 meshes: 20-30%, 40-60 mesh: 30-50% and less than 3% under 100 meshes;

in the step (1)

(2) Preparing a blank body:

crushing tourmaline, removing iron, washing with water, drying to 20 mesh and 60 mesh, and collecting the material below 20 mesh and 60 mesh for use;

mixing 100% of the powder of the bottom layer of the green body with 3-5% of the crushed tourmaline, stirring, uniformly sieving the powder of the bottom layer of the green body and the tourmaline, and then feeding the powder of the bottom layer of the green body and the tourmaline into a press by a conveyor belt for molding to prepare a green body.

(3) Drying the green body, namely conveying the pressed and molded green body to a drying kiln, firstly drying at 200 ℃ for 30min, and then drying at 200-150 ℃ for 30min to prepare a ceramic tile green body, wherein the water content of the ceramic tile green body reaches below 0.5%, the brick discharging temperature is controlled at 100-110 ℃, and the drying strength reaches 1.2-1.5 bar;

(4) water spraying of the glaze line: after the ceramic tile green body is taken out of the drying kiln, sending the ceramic tile green body into a glaze line for spraying water, wherein the water application amount is 40-60g, so as to protect the surface of the ceramic tile green body from being wet and open pores on the surface of the ceramic tile green body;

(5) preparing overglaze:

the overglaze comprises the following raw materials in percentage by weight: potassium feldspar: 35-40% of frit: 3-5%, talc: 3-5%, albite: 18-22%, calcined soil: 20-30%, kaolin: 10 to 15 percent; the preparation process of the overglaze raw material in the step (5) comprises the following steps of weighing raw materials according to an overglaze formula, uniformly mixing, putting into ball milling equipment, ball milling to prepare overglaze slurry, sieving the ball-milled overglaze slurry with a 325-mesh sieve, uniformly stirring, wherein the fineness is 0.2-0.5%, and the specific gravity is as follows: 1.8-1.87g/cm³The flow rate is: 35 '-70'

The frit comprises the following chemical components in percentage by weight: na (Na)₂O：10％、CaO：20％、ZrSiO₄：25％、Al₂O₃：15％、SiO₂：10％、B₂O₃：20％；

The overglaze comprises the following chemical components: SiO 2₂：60％、Al₂O₃：23％、Fe₂O₃：0.3％、CaO：1.3％、MgO：1％、K₂O：1.5％、Na₂O：3％、TiO₂：0.3％、BaO：0.2％、ZrSiO₄: 5.1 percent, the glazing weight of the overglaze is as follows: 450-500 g;

(6) ink-jet printing: the design and color of the board are adjusted according to the design and color requirements

(7) And (3) glaze polishing preparation:

sources for polishing glaze layersThe material comprises the following components in percentage by weight: potassium feldspar: 25% of frit: 20%, kaolin: 10%, zinc oxide: 3.5%, barium carbonate: 6.5%, calcite: 5%, talc: 5%, corundum: 3%, strontium carbonate: 2%, albite: 5% of dolomite: 10 percent; the glaze polishing raw material preparation process in the step (7) comprises the following steps: weighing the raw materials according to a glaze polishing formula, uniformly mixing, putting into ball milling equipment, and performing ball milling to prepare glaze polishing slurry, wherein the glaze polishing slurry discharged from the ball milling is sieved by a 325-mesh sieve, and the specific gravity is as follows: 1.84-1.88g/cm³The flow rate is: 35 '-70', fineness is: 0.3-0.5%, the chemical components of the glaze polishing slurry are as follows: SiO 2₂：63％、Al₂O₃：17％、Fe₂O₃：0.3％、CaO：3％、MgO：1.5％、K₂O：3.2％、Na₂O：2.5％、TiO₂: 0.3 percent, the glazing weight of the glaze polishing layer is as follows: 450-500g

(8) Preparing a base glaze: applying a base coat at the bottom of the ceramic tile blank, wherein the base coat comprises the following raw materials in percentage by weight: 100% magnesium oxide; the preparation method comprises the following steps: putting raw materials of the ground glaze into ball milling equipment, performing ball milling to prepare ground glaze slurry, sieving the ground glaze slurry subjected to ball milling through a 250-mesh sieve, and controlling the specific gravity to be as follows: 1.15-1.25g/cm³；

(9) Firing: firing the ceramic tile blank treated in the step (8) at 45-980 ℃ for 10min, then at 980-1180 ℃ for 15min, then at 1200 ℃ for 10min, and finally cooling at 1000 ℃ for 10 min;

(10) polishing and waxing by a polishing machine.

The above embodiments are not limited to the technical solutions of the embodiments themselves, and the embodiments may be combined with each other into a new embodiment. The above embodiments are only for illustrating the technical solutions of the present invention and are not limited thereto, and any modification or equivalent replacement without departing from the spirit and scope of the present invention should be covered within the technical solutions of the present invention.