CN111635136B - Green glaze capable of being sliced and preparation method thereof - Google Patents
Green glaze capable of being sliced and preparation method thereof Download PDFInfo
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- CN111635136B CN111635136B CN202010670306.3A CN202010670306A CN111635136B CN 111635136 B CN111635136 B CN 111635136B CN 202010670306 A CN202010670306 A CN 202010670306A CN 111635136 B CN111635136 B CN 111635136B
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—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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- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/81—Coating or impregnation
- C04B41/85—Coating or impregnation with inorganic materials
- C04B41/86—Glazes; Cold glazes
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Abstract
The invention relates to the field of porcelain glaze, in particular to a sliced celadon and a preparation method thereof. The invention firstly discloses a sliced celadon, which is prepared from the following raw materials in parts by weight: 30-40 parts of Yangtze river laterite, 20-30 parts of sycamore feldspar, 10-20 parts of plant ash, 3-6 parts of wollastonite, 2-4 parts of calcite, 5-10 parts of calcium oxide, 6-12 parts of copper oxide and 4-8 parts of mica. The invention further provides a preparation method of the sliced green glaze. The glaze surface of the green glaze with the split pieces prepared by the invention is bluish-blue small split piece lines or large split piece lines, and the split piece lines do not contain various bubble points at different levels, so the glaze color is antique, elegant, stable, noble and moist, and the enamel is firm and fine.
Description
Technical Field
The invention relates to the field of porcelain glaze, in particular to a sliced celadon and a preparation method thereof.
Background
The green glaze is famous traditional color glaze for Chinese porcelain. Ancient southern green glaze is the earliest colored glaze for porcelain. The "greenish glaze" is not a pure green color, and includes moonlight, azure, pink green, plum green, bean green, and jade green, but a little greenish color is always developed. Meanwhile, ancient people often refer to three colors, cyan, green, and blue, collectively referred to as "cyan".
The cracking refers to a crack which is generated on the porcelain glaze layer and is vertical to the glaze surface or forms a slight angle with the glaze surface and consists of two opposite cross sections. The crackle glaze is a kind of decoration art for porcelain, and its glaze surface is covered with many small cracks, and has the grains of thick, thin, long, short, curved and straight, and its form is similar to crazing, crab claw or ice crack. There are two reasons for the breaking: firstly, the blank mud extends along a certain direction during molding, so that the arrangement of molecules is influenced; secondly, the expansion coefficients of the blank and the glaze are different, and the shrinkage rate of the glaze layer is large when the glaze layer is cooled after roasting. Therefore, the cracking is a defect in porcelain firing; however, the cracked glaze (i.e. crack glaze) produced by people with the crack rule becomes a special decoration for porcelain. The porcelain slices can be divided into small slices and large slices according to the shape and size of cracks. The small pieces are finely crushed and called as fish roe veins; the large sparse ones are called "cow hair line", "willow leaf line" and "crab claw line".
In the prior art, because glaze materials for preparing the split green glaze have different formulas, firing process atmosphere and inaccurate temperature control, the size and the level of split glaze pieces, color and luster and enamel cannot achieve ideal effects.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to disclose a formula of an open-sheet green glaze material and a preparation method thereof. The invention develops a formula of the split-sheet green glaze material through a plurality of tests, and strictly controls the firing atmosphere and temperature, so that the prepared split-sheet green glaze has bluish small split lines or large split lines, and the split line layers contain various bubble points, and the glaze color is elegant, stable, noble and smooth, and the enamel is firm and fine.
In order to achieve the purpose, the invention provides an open-chip green glaze which is prepared from the following raw materials in parts by weight: 30-40 parts of Yangtze river laterite, 20-30 parts of sycamore feldspar, 10-20 parts of plant ash, 3-6 parts of wollastonite, 2-4 parts of calcite, 5-10 parts of calcium oxide, 6-12 parts of copper oxide and 4-8 parts of mica.
The sliced green glaze can be prepared into small sliced green glaze or large sliced green glaze by adjusting the raw material ratio.
The small split green glaze is prepared from the following raw materials in parts by weight: 30-40 parts of Yangtze river laterite, 20-25 parts of sycamore feldspar, 10-20 parts of plant ash, 3-6 parts of wollastonite, 2-4 parts of calcite, 5-10 parts of calcium oxide, 6-12 parts of copper oxide and 4-8 parts of mica.
The small split green glaze is preferably prepared from the following raw materials in parts by weight: 35 parts of Yangtze river laterite, 22 parts of sycamore feldspar, 12 parts of plant ash, 5 parts of wollastonite, 2 parts of calcite, 6 parts of calcium oxide, 10 parts of copper oxide and 8 parts of mica.
The large-scale green glaze is prepared from the following raw materials in parts by weight: 30-40 parts of Yangtze river laterite, 25-30 parts of sycamore feldspar, 5-10 parts of plant ash, 3-6 parts of wollastonite, 2-4 parts of calcite, 5-10 parts of calcium oxide, 6-12 parts of copper oxide and 4-8 parts of mica.
The large-scale split green glaze is preferably prepared from the following raw materials in parts by weight: 35 parts of Yangtze river laterite, 27 parts of sycamore feldspar, 8 parts of plant ash, 3 parts of wollastonite, 4 parts of calcite, 10 parts of calcium oxide, 8 parts of copper oxide and 5 parts of mica.
The invention also provides a preparation method of the sliced green glaze, which comprises the following steps:
(1) crushing and sieving the Yangtze river laterite, the sycamore feldspar, the wollastonite, the calcite and the mica respectively, and specifically crushing the Yangtze river laterite, the sycamore feldspar, the wollastonite, the calcite and the mica respectively by using an edge runner mill and sieving by using a 100-200 sieve;
(2) proportionally mixing calcium oxide, copper oxide and plant ash with sieved Yangjiang laterite, sycamore, wollastonite, calcite and mica;
(3) putting the mixed raw materials into a ball mill, and performing wet ball milling for 10-15 hours according to the ratio of water to balls to 1:0.5: 1.5;
(4) after the ball-milled glaze is screened by a sieve of 100-200 meshes, mixing into glaze slip with the Baume degree of 50-80;
(5) the molded blank body is sprayed with the glaze slip and dried, and then the finished product is fired by a kiln, wherein the firing process of the kiln specifically comprises the following stages: in the first oxidation stage, the temperature in the kiln is raised from room temperature to 1020 ℃, and the temperature rise time is 6-8 hours; in the second strong reduction stage, the temperature in the kiln is increased from 1020 ℃ to 1220 ℃, and the temperature is kept for 30 minutes when the temperature is 1220 ℃, wherein the temperature increase time is 2-3 hours; in the third weak reduction stage, the temperature in the kiln is increased from 1220 ℃ to 1260 ℃, and the temperature-increasing time is 20-40 minutes; and in the fourth oxidation stage, the temperature in the kiln is increased from 1260 ℃ to 1280 ℃, and the temperature-increasing time is 20-40 minutes. Cooling and obtaining the product.
The main functions of the raw materials of the invention are as follows:
yangtze river red soil: the red clay mainly comprises silicon dioxide and ferric oxide, and also comprises aluminum oxide and calcium oxide, wherein the ferric oxide mainly changes the glaze color of the celadon, and the silicon dioxide, the aluminum oxide and the calcium oxide mainly increase the temperature resistance of the glaze surface.
Iridescent bridge feldspar: the green glaze can be used as a solvent raw material, and the firing temperature of the green glaze can be reduced. After the iridoid feldspar is melted into a glass state, the iridoid feldspar is filled among all crystal particles, so that the porosity is obviously reduced, the gaps are reduced, and the blank is more compact. The iridoid feldspar can also improve the glossiness of the glaze, reduce the expansion coefficient and high-temperature fluidity of the glaze, and influence the size of the open lines of the glaze layer.
Wollastonite: the addition of a proper amount of wollastonite powder into the raw materials can greatly reduce the sintering temperature, shorten the sintering time, improve the mechanical property of the product, reduce the cracks and the warping of the product, increase the glaze luster and improve the green strength.
Calcite: the melting temperature of the glaze material is mainly reduced, the refractive index of the glaze material can be increased in the glaze, the glossiness is improved, and the light transmittance of the glaze material can be improved.
Calcium oxide: the hardness, the wear resistance, the corrosion resistance and the glossiness of the glaze surface can be improved, and the high-temperature viscosity of the glaze surface is reduced; the intake of calcium can promote the growth and development of human skeleton, and the calcium can dehydrate and sterilize to purify water.
Copper oxide: the copper oxide is added to a certain weight, so that the split green glaze surface can generate the effect of yellow-lining blackening or black-lining yellowing, and the color of the split green glaze surface can be adjusted.
Plant ash: has fluxing effect. A small amount of iron oxide and manganese oxide in the ash optimizes the color development effect of the glaze. In addition, the plant ash can influence the expansion coefficient of the glaze layer, and the classification ratio of the plant ash can influence the size of the open grains of the glaze layer, so that whether the glaze layer is large or small is determined.
Mica: the melting temperature is low, the connection of the glaze is mainly enhanced, and the product quality can be better improved. The mica provides aluminum element for the green glaze of the open sheet, the aluminum element exists on the green glaze surface of the open sheet in the form of aluminum oxide, and the aluminum oxide can enable the green glaze of the open sheet to have the performances of heat resistance, corrosion resistance and wear resistance.
The invention has the beneficial effects that:
(1) the expansion coefficients of the green body and the glaze layer can be changed by adjusting the mixture ratio of the raw materials, and when the expansion coefficient of the glaze layer is larger than that of the green body, the shrinkage rate of the cooled glaze layer after roasting is large, so that the surface glaze layer has open grains. Similarly, the size of the open grains of the surface glaze layer can be changed by optimizing the raw material ratio to prepare small open glaze or large open glaze;
(2) the prepared porcelain glaze is bluish, and the glaze surface is provided with various bubbles at the same time of the lines, thereby having good artistic and ornamental aesthetic feeling;
(3) the prepared open-piece green glaze is antique, deep and stable in glaze color, noble and glossy, and mild and fine in enamel.
Drawings
FIG. 1 is a photograph of a sample of small open-chip greenish glaze obtained in example 2 of the present invention.
FIG. 2 is a photograph of a large open-section celadon sample prepared in example 4 of the present invention.
Detailed Description
The present invention will be described in detail with reference to examples. It should be noted that, if not conflicting, the embodiments of the present invention and the features of the embodiments may be combined with each other within the scope of protection of the present invention.
The weight parts in the invention can be the weight units known in the art such as mu g, mg, g, kg, and the like, and can also be multiples thereof, such as 1/10, 1/100, 10, 100, and the like.
Example 1
(1) Crushing and sieving
Respectively crushing and sieving the Pingjiang laterite, the sycamore feldspar, the wollastonite, the calcite and the mica, and respectively crushing by using an edge runner mill and sieving by using a 100-200-mesh sieve.
(2) Mixing of raw materials
40 parts by weight of Yangtze river laterite, 20 parts by weight of sycamore feldspar, 12 parts by weight of plant ash, 5 parts by weight of wollastonite, 2 parts by weight of calcite, 6 parts by weight of calcium oxide, 7 parts by weight of copper oxide and 8 parts by weight of mica are mixed.
(3) Wet ball milling
And (3) putting the mixed raw materials in the step (2) into a ball mill, and carrying out wet ball milling for 10-15 hours according to the ratio of water to balls to be 1:0.5: 1.5.
(4) Preparation of glaze slip
And (3) after the ball-milled glaze is screened by a sieve of 100-200 meshes, and then the glaze is prepared into glaze slurry with the Baume degree of 50-80.
(5) Glazing firing
Taking a formed blank, spraying the glaze slip on the blank, drying and then firing the blank by kiln fire to obtain a finished product, wherein the firing process by kiln fire specifically comprises the following steps: in the first oxidation stage, the temperature in the kiln is raised from room temperature to 1020 ℃, and the temperature rise time is 6-8 hours; in the second strong reduction stage, the temperature in the kiln is increased from 1020 ℃ to 1220 ℃, and the temperature is kept for 30 minutes when the temperature is 1220 ℃, wherein the temperature increase time is 2-3 hours; in the third weak reduction stage, the temperature in the kiln is increased from 1220 ℃ to 1260 ℃, and the temperature-increasing time is 20-40 minutes; and in the fourth oxidation stage, the temperature in the kiln is increased from 1260 ℃ to 1280 ℃, and the temperature-increasing time is 20-40 minutes. Cooling to obtain the product.
The glaze surface fired in the embodiment has a small chipping effect and contains various bubble points, so that the ornamental value of the chipping green glaze is improved, and the glaze is firm and fine.
Example 2
(1) Crushing and sieving
Respectively crushing and sieving the Pingjiang laterite, the sycamore feldspar, the wollastonite, the calcite and the mica, and respectively crushing by using an edge runner mill and sieving by using a 100-200-mesh sieve.
(2) Mixing of raw materials
35 parts by weight of Pingjiang red soil, 22 parts by weight of sycamore feldspar, 12 parts by weight of plant ash, 5 parts by weight of wollastonite, 2 parts by weight of calcite, 6 parts by weight of calcium oxide, 10 parts by weight of copper oxide and 8 parts by weight of mica are mixed.
(3) Wet ball milling
And (3) putting the mixed raw materials in the step (2) into a ball mill, and carrying out wet ball milling for 10-15 hours according to the ratio of water to balls to be 1:0.5: 1.5.
(4) Preparation of glaze slip
And (3) after the ball-milled glaze is screened by a sieve of 100-200 meshes, and then the glaze is prepared into glaze slurry with the Baume degree of 50-80.
(5) Glazing firing
Taking a formed blank, spraying the glaze slip on the blank, drying and then firing the blank by kiln fire to obtain a finished product, wherein the firing process by kiln fire specifically comprises the following steps: in the first oxidation stage, the temperature in the kiln is raised from room temperature to 1020 ℃, and the temperature rise time is 6-8 hours; in the second strong reduction stage, the temperature in the kiln is increased from 1020 ℃ to 1220 ℃, and the temperature is kept for 30 minutes when the temperature is 1220 ℃, wherein the temperature increase time is 2-3 hours; in the third weak reduction stage, the temperature in the kiln is increased from 1220 ℃ to 1260 ℃, and the temperature-increasing time is 20-40 minutes; and in the fourth oxidation stage, the temperature in the kiln is increased from 1260 ℃ to 1280 ℃, and the temperature-increasing time is 20-40 minutes. Cooling to obtain the product.
The green glaze with small splitting effect, which is fired by the embodiment, has a glaze surface with various bubble points, so that the ornamental value of the green glaze with small splitting effect is increased, and the glaze is firm and fine.
Example 3
(1) Crushing and sieving
Crushing and sieving the sycamore feldspar, the quartz, the Yangjiang laterite and the calcite respectively, and sieving the crushed materials through a 100-200-mesh sieve after crushing the materials respectively by using an edge runner mill.
(2) Mixing of raw materials
30 parts by weight of Pingjiang red soil, 30 parts by weight of sycamore feldspar, 8 parts by weight of plant ash, 5 parts by weight of wollastonite, 4 parts by weight of calcite, 8 parts by weight of calcium oxide, 8 parts by weight of copper oxide and 7 parts by weight of mica are mixed.
(3) Wet ball milling
And (3) putting the mixed raw materials in the step (2) into a ball mill, and performing wet ball milling for 10-15 hours according to the ratio of water to balls of 1:0.5: 1.5.
(4) Preparation of glaze slip
And (4) after the ball-milled glaze is screened by a 100-200 mesh sieve, mixing into glaze slip with the Baume degree of 50-80.
(5) Glazing firing
Taking a formed blank, spraying the glaze slip on the blank, drying and then firing the blank by kiln fire to obtain a finished product, wherein the firing process by kiln fire specifically comprises the following steps: in the first oxidation stage, the temperature in the kiln is raised from room temperature to 1020 ℃, and the temperature rise time is 6-8 hours; in the second strong reduction stage, the temperature in the kiln is increased from 1020 ℃ to 1220 ℃, and the temperature is kept for 30 minutes when the temperature is 1220 ℃, wherein the temperature increase time is 2-3 hours; in the third weak reduction stage, the temperature in the kiln is increased from 1220 ℃ to 1260 ℃, and the temperature-increasing time is 20-40 minutes; and in the fourth oxidation stage, the temperature in the kiln is increased from 1260 ℃ to 1280 ℃, and the temperature-increasing time is 20-40 minutes. Cooling to obtain the product.
The green glaze with the large cracking effect has the advantages that the green glaze with the large cracking effect contains various bubble points, the ornamental value of the green glaze with the large cracking effect is increased, and the enamel is firm and fine.
Example 4
(1) Crushing and sieving
Crushing and sieving the sycamore feldspar, the quartz, the Yangjiang laterite and the calcite respectively, and sieving the crushed materials through a 100-200-mesh sieve after crushing the materials respectively by using an edge runner mill.
(2) Mixing of raw materials
35 parts by weight of Pingjiang red soil, 27 parts by weight of sycamore feldspar, 8 parts by weight of plant ash, 3 parts by weight of wollastonite, 4 parts by weight of calcite, 10 parts by weight of calcium oxide, 8 parts by weight of copper oxide and 5 parts by weight of mica are mixed.
(3) Wet ball milling
And (3) putting the mixed raw materials in the step (2) into a ball mill, and performing wet ball milling for 10-15 hours according to the ratio of water to balls of 1:0.5: 1.5.
(4) Preparation of glaze slip
And (4) after the ball-milled glaze is screened by a 100-200 mesh sieve, mixing into glaze slip with the Baume degree of 50-80.
(5) Glazing and firing
Taking a formed blank, spraying the glaze slurry on the blank, drying and firing the blank by kiln fire to obtain the finished product, wherein the firing process by kiln fire specifically comprises the following steps: in the first oxidation stage, the temperature in the kiln is raised from room temperature to 1020 ℃, and the temperature rise time is 6-8 hours; in the second strong reduction stage, the temperature in the kiln is increased from 1020 ℃ to 1220 ℃, and the temperature is kept at 1220 ℃ for 30 minutes, wherein the temperature increase time is 2-3 hours; in the third weak reduction stage, the temperature in the kiln is increased from 1220 ℃ to 1260 ℃, and the temperature-increasing time is 20-40 minutes; and in the fourth oxidation stage, the temperature in the kiln is increased from 1260 ℃ to 1280 ℃, and the temperature-increasing time is 20-40 minutes. Cooling to obtain the product.
The green glaze with the large cracking effect has the advantages that the green glaze with the large cracking effect contains various bubble points, the ornamental value of the green glaze with the large cracking effect is increased, and the enamel is firm and fine.
The invention obtains a split green glaze formula through repeated experiments, examples 1, 2, 3 and 4 are only preferable examples in the experiments, other examples are not listed, and the split green glaze with different split levels can be prepared within the range of the split green glaze formula provided by the invention according to the split green glaze preparation method provided by the invention, and meanwhile, the glaze also contains various bubble points, so that the appreciation of the split green glaze is improved, and the glaze is firm, fine and smooth.
In addition, the experimenter finds that the splitting size and the color effect of the split green glaze surface are respectively related to the proportion of the iridoid feldspar and the proportion of the Yangjiang red clay in the raw materials, and the following specific description is combined with comparative examples 1, 2, 3 and 4.
Comparative example 1
Different from the embodiment 1, only the adding amount of the iridescent bridge feldspar is changed, the construction method is the same as the embodiment 1, the using amount of the iridescent bridge feldspar is reduced, 20 parts by weight of the iridescent bridge feldspar is changed into 10 parts by weight, and the green glaze surface prepared does not generate flaking.
Comparative example 2
Different from the embodiment 3, only the adding amount of the iridescent bridge feldspar is changed, the construction method is the same as that of the embodiment 3, the using amount of the iridescent bridge feldspar is increased, 30 parts by weight of the iridescent bridge feldspar is changed into 35 parts by weight, and the prepared green glaze surface has over-high vitrification degree and high fluidity, so that the glaze surface is bonded with kiln furniture to influence the firing effect.
Comparative example 3
The difference from the embodiment 1 is that only the addition amount of the Yangtze river laterite is changed, the construction method is the same as the embodiment 1, the using amount of the Yangtze river laterite is increased, 40 parts by weight of the Yangtze river laterite is changed into 45 parts by weight, and the prepared split glaze is black and does not have bluish color.
Comparative example 4
The difference from the embodiment 3 is that only the addition amount of the Yangtze river red soil is changed, the construction method is the same as the embodiment 3, the using amount of the Yangtze river red soil is reduced, 30 parts by weight of the Yangtze river red soil is changed into 25 parts by weight, and the prepared split glaze is gray and does not have bluish color.
The invention is known through repeated experiments that:
(1) when the addition amount of the anorthose is 20-30 parts by weight, the open grains are increased along with the increase of the addition amount of the anorthose, and the glaze is changed from small open sheets to large open sheets, such as examples 1, 2, 3 and 4; when the addition amount of the anorthose is less than 20 parts by weight, the green glaze surface does not generate flaking, as in comparative example 1; when the addition amount of the iridescent feldspar is more than 30 parts by weight, the vitrification degree of the green glaze surface is too high, the fluidity of the glaze surface is high, so that the glaze surface is bonded with kiln furniture, and meanwhile, the glaze surface can not be cracked, as in comparative example 2.
(2) When the addition amount of the Yangtze river red clay is 30-40 parts by weight, the color of the glaze surface is bluish between black and gray along with the increase of the addition amount of the Yangtze river red clay, such as examples 1, 2, 3 and 4; when the addition amount of the Yangtze river laterite is more than 40 parts by weight, the glaze color is black, and bluish color is not available, as in comparative example 3; when the amount of the Pingjiang red soil is less than 30 parts by weight, the glaze is gray and bluish color is not available, as in comparative example 4.
Although the invention has been described in detail hereinabove by way of general description, specific embodiments and experiments, it will be apparent to those skilled in the art that many modifications and improvements can be made thereto based on the invention. Accordingly, it is intended that all such modifications and alterations be included within the scope of this invention as defined in the appended claims.
Claims (6)
1. The green glaze is characterized by being prepared from the following raw materials in parts by weight: 30-40 parts of Yangtze river laterite, 20-30 parts of sycamore feldspar, 10-20 parts of plant ash, 3-6 parts of wollastonite, 2-4 parts of calcite, 5-10 parts of calcium oxide, 6-12 parts of copper oxide and 4-8 parts of mica;
the preparation method of the green glaze comprises the following steps:
(1) crushing and sieving the Yangtze river laterite, the sycamore feldspar, the wollastonite, the calcite and the mica respectively;
(2) proportionally mixing calcium oxide, copper oxide and plant ash with sieved Yangjiang laterite, sycamore, wollastonite, calcite and mica;
(3) putting the mixed raw materials into a ball mill, and carrying out wet ball milling for 10-15 hours according to the ratio of water to balls to be 1:0.5: 1.5;
(4) after the ball-milled glaze is screened by a sieve of 100-200 meshes, mixing into glaze slip with the Baume degree of 50-80;
(5) spraying the glaze slurry on the formed blank body, drying, and firing by kiln fire to obtain the finished product;
the kiln fire burning process in the step (5) specifically comprises the following stages: in the first oxidation stage, the temperature in the kiln is raised from room temperature to 1020 ℃, and the temperature rise time is 6-8 hours; in the second strong reduction stage, the temperature in the kiln is increased from 1020 ℃ to 1220 ℃, and the temperature is kept for 30 minutes when the temperature is 1220 ℃, wherein the temperature increase time is 2-3 hours; in the third weak reduction stage, the temperature in the kiln is increased from 1220 ℃ to 1260 ℃, and the temperature-increasing time is 20-40 minutes; and in the fourth oxidation stage, the temperature in the kiln is increased from 1260 ℃ to 1280 ℃, and the temperature-increasing time is 20-40 minutes.
2. The green glaze with the split slices as claimed in claim 1, is characterized by being prepared from the following raw materials in parts by weight: 30-40 parts of Yangtze river laterite, 20-25 parts of sycamore feldspar, 10-20 parts of plant ash, 3-6 parts of wollastonite, 2-4 parts of calcite, 5-10 parts of calcium oxide, 6-12 parts of copper oxide and 4-8 parts of mica.
3. The green glaze with the split slices as claimed in claim 2, which is prepared from the following raw materials in parts by weight: 35 parts of Yangtze river laterite, 22 parts of sycamore feldspar, 12 parts of plant ash, 5 parts of wollastonite, 2 parts of calcite, 6 parts of calcium oxide, 10 parts of copper oxide and 8 parts of mica.
4. The green glaze with the split slices as claimed in claim 1, is characterized by being prepared from the following raw materials in parts by weight: 30-40 parts of Yangtze river laterite, 25-30 parts of sycamore feldspar, 5-10 parts of plant ash, 3-6 parts of wollastonite, 2-4 parts of calcite, 5-10 parts of calcium oxide, 6-12 parts of copper oxide and 4-8 parts of mica.
5. The green glaze with the flakes according to claim 4, which is characterized by being prepared from the following raw materials in parts by weight: 35 parts of Yangtze river laterite, 27 parts of sycamore feldspar, 8 parts of plant ash, 3 parts of wollastonite, 4 parts of calcite, 10 parts of calcium oxide, 8 parts of copper oxide and 5 parts of mica.
6. The green glaze with split pieces as claimed in claim 1, wherein the step (1) is specifically: crushing the Pingjiang laterite, the sycamore feldspar, the wollastonite, the calcite and the mica respectively by using an edge runner mill, and sieving by using a 100-200-mesh sieve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010670306.3A CN111635136B (en) | 2020-07-13 | 2020-07-13 | Green glaze capable of being sliced and preparation method thereof |
Applications Claiming Priority (1)
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| US4089920A (en) * | 1970-12-14 | 1978-05-16 | Stephens John A | High-strength, light-weight, fired clay body and method of producing same |
| CN104150873A (en) * | 2014-08-25 | 2014-11-19 | 龙泉市尚唐瓷艺发展有限公司 | Longquan celadon crackle glaze wine bottle and preparation method thereof |
| CN112299714A (en) * | 2020-11-24 | 2021-02-02 | 禹州大唐钧瓷文化有限公司 | Preparation method of Tang Jun porcelain |
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| JP2001206790A (en) * | 2000-01-24 | 2001-07-31 | Marukatsu Seitosho:Kk | Coloring glaze |
| CN102617190B (en) * | 2012-04-09 | 2013-05-22 | 福建省德化县佳美工艺品有限责任公司 | Antique matte cracked glaze and preparation technology thereof |
| CN103467133A (en) * | 2012-06-06 | 2013-12-25 | 湖南泰鑫瓷业有限公司 | Preparation method of crack glaze imitating nature to form marble patterns |
| CN106517781B (en) * | 2016-11-18 | 2019-01-01 | 平江县阜山窑陶瓷文化艺术发展有限公司 | A kind of Zijin glaze and preparation method thereof |
| CN107698158A (en) * | 2017-09-28 | 2018-02-16 | 禹州市大龙山钧瓷文化有限公司 | A kind of hacking pottery plum green glaze and preparation method thereof |
| CN108863079B (en) * | 2018-08-02 | 2020-12-18 | 德化县如瓷生活文化有限公司 | Split matte white porcelain and preparation method thereof |
| CN109369219A (en) * | 2018-11-23 | 2019-02-22 | 五邑大学 | A kind of nano powder doped low temperature glaze formula and preparation method thereof |
| CN110615616A (en) * | 2019-10-31 | 2019-12-27 | 平顶山学院 | Green glaze and application method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4089920A (en) * | 1970-12-14 | 1978-05-16 | Stephens John A | High-strength, light-weight, fired clay body and method of producing same |
| CN104150873A (en) * | 2014-08-25 | 2014-11-19 | 龙泉市尚唐瓷艺发展有限公司 | Longquan celadon crackle glaze wine bottle and preparation method thereof |
| CN112299714A (en) * | 2020-11-24 | 2021-02-02 | 禹州大唐钧瓷文化有限公司 | Preparation method of Tang Jun porcelain |
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