CN111423120A - A kind of preparation method of pine and cypress green ceramic glaze - Google Patents

Abstract

The invention discloses a preparation method of pine and cypress green ceramic glaze, which comprises the steps of preparing dredged sediment dry powder, strontium carbonate and nano copper oxide into glaze according to a certain proportion, preparing the glaze into glaze slurry through planetary ball milling, applying the glaze to the surface of a biscuit firing ceramic biscuit by adopting a glaze dipping method, drying the biscuit firing ceramic biscuit, and then placing the biscuit in a program-controlled high-temperature furnace to fire under the air atmosphere condition to obtain a ceramic glaze product with the color development effect of a pine and cypress green glaze layer.

Description

A kind of preparation method of pine and cypress green ceramic glaze

technical field

The invention relates to the technical field of traditional ceramic glaze preparation, in particular to a preparation method of pine and cypress green ceramic glaze.

Background technique

Ceramics originated in ancient my country and have a history of thousands of years. The representative types of porcelain developed so far include Jun porcelain and Ru porcelain in the Song Dynasty, blue and white porcelain and enamel in the Ming and Qing Dynasties. The original ceramics were used to meet people's needs, but with the progress of society and the substantial improvement of people's living standards, the artistic pursuit of ceramic glazes has risen to a new height. At present, the color innovation of ceramic glazes on the market is insufficient And there is the problem of environmental pollution in the firing process; on the other hand, in line with the development needs of the times, my country attaches great importance to environmental governance. Ceramic glaze not only benefits the society, but also injects fresh vitality into the ceramic industry.

SUMMARY OF THE INVENTION

In order to overcome the shortcoming of the above-mentioned prior art, the object of the present invention is to provide a preparation method of a pine and cypress green ceramic glaze, which can prepare a ceramic glaze product with a pine and cypress green color under simple environmental protection conditions, and this ceramic glaze can be applied to Display art porcelain field.

In order to achieve the above object, the technical scheme adopted in the present invention is:

A preparation method of pine and cypress green ceramic glaze, comprising the steps:

Step 1, the dredging bottom mud dry powder, strontium carbonate, nano-copper oxide are weighed and prepared as SL glaze according to a certain mass ratio;

Step 2: Mix the SL glaze, water, and agate grinding balls in a mass ratio of 0.8:1.0:1.1, and then use a planetary ball mill for ball milling. After the ball milling is completed, a slurry is obtained. The specific gravity of the slurry passing through the mesh screen is adjusted to 1.50~1.65 g/cm ³ , and the SL glaze slurry is obtained after the adjustment;

Step 3, put the ceramic bisque into a program-controlled high-temperature furnace, set a heating rate of 4 °C/min to heat up to 900 °C for 15 min under the condition of air atmosphere, and then cool with the furnace to obtain a bisque fired ceramic body;

In step 4, the SL glaze slurry prepared in step 2 is dipped into the glaze method so that the glaze is evenly coated on the surface of the biscuit-fired ceramic body in step 3 to obtain the SL-glazed ceramic body, and the SL-glazed ceramic body is fully coated. drying to obtain a dry SL-glazed ceramic china;

Step 5, put the dried SL glazed ceramic china prepared in step 4 into a program-controlled high-temperature furnace, and fire in an air atmosphere to obtain the pine and cypress green ceramic glaze product.

Preferably, in the step 1, the dry powder of the dredged bottom mud is obtained by drying the dredged bottom mud in a drying oven at a temperature of 110-160 °C and a drying time of 10-12 h.

Preferably, in the step 1, the dredged sediment dry powder, strontium carbonate, and nano-copper oxide are in each mass ratio as (dredged sediment dry powder: strontium carbonate: nano-copper oxide=15: (3.5~5.0): (0.375~0.515) ) weighing and preparing to obtain SL glaze.

Preferably, in the step 2, the ball milling rotation speed of the planetary ball milling is 200-300 r/min, and the ball milling time is 24-48 h.

Preferably, the formula of the ceramic china in the step 3 is 55% kaolin, 30% quartz, and 15% feldspar.

Preferably, the thickness of the glaze layer of the SL-glazed ceramic china in the step 4 is 1.0-1.3 mm.

Preferably, in the step 4, the fully drying condition of the SL glazed ceramic china is to put the glazed ceramic china into a blast drying oven, and the set temperature is 100-120 °C for drying for 6-12 hours.

Preferably, the firing temperature of the SL-glazed ceramic china in the step 5 is 1250-1280 °C.

Preferably, in the step 5, the heating rate during the firing process of the SL glazed ceramic china is 3°C/min.

Preferably, the holding time in the firing process of the SL glazed ceramic china in the step 5 is 30-60 min.

Preferably, in the step 5, the post-firing cooling condition of the SL-glazed ceramic china body is cooling with the furnace.

Description of drawings

1 is a macroscopic effect diagram of Embodiment 1 of the present invention;

Fig. 2 is the SEM image and the element surface distribution map of the embodiment of the present invention 1;

3 is a macroscopic effect diagram of Embodiment 2 of the present invention;

4 is a macroscopic effect diagram of Embodiment 3 of the present invention;

5 is a macroscopic effect diagram of Embodiment 4 of the present invention;

6 is a macroscopic effect diagram of Embodiment 5 of the present invention;

FIG. 7 is a macroscopic effect diagram of Embodiment 6 of the present invention.

Detailed ways

In order to enable those skilled in the art to better understand that the technical solutions of the present invention can be implemented, the present invention is further described below with reference to the accompanying drawings and specific embodiments, but the embodiments are not intended to limit the present invention.

The test methods that do not specify specific conditions in the following examples are all carried out in accordance with the conventional methods and conditions in the art, and the materials used are commercially available unless otherwise specified.

Example 1

A preparation method of pine and cypress green ceramic glaze, comprising the steps:

Step 1, the dredged sediment dry powder, strontium carbonate, and nano-copper oxide are weighed and prepared as SL glaze according to each mass ratio of (dredged sediment dry powder: strontium carbonate: nano-copper oxide=15:3.5:0.375), wherein, dredging The dry powder of sediment is prepared by drying the dredged sediment in a drying oven at a temperature of 110 °C and a drying time of 12 h;

Step 2: Mix the SL glaze, water, and agate grinding balls in a mass ratio of 0.8:1.0:1.1, and then perform ball milling with a planetary ball mill. The rotation speed of the planetary ball mill is 200 r/min, and the ball milling time is 48 h. After the slurry is obtained, the slurry is passed through a 200-mesh mesh screen, and then the specific gravity of the slurry passing through the mesh screen is adjusted to 1.50 g/cm ³ with water, and the SL glaze slurry is obtained after the preparation is completed;

Step 3, put the ceramic bisque into a program-controlled high temperature furnace, set the heating rate to be 4 °C/min and heat up to 900 °C for 15 min under the condition of air atmosphere, and then cool with the furnace to obtain a bisque fired ceramic body, Among them, the formula of ceramic china is 55% kaolin, 30% quartz, and 15% feldspar.

In step 4, the SL glaze slurry prepared in step 2 is dipped into the glaze method so that the glaze is evenly coated on the surface of the biscuit-fired ceramic body in step 3, and the thickness of the glaze layer is 1.0 mm, so as to obtain the SL glazed ceramic body, and the The SL-glazed ceramic china was put into a blast drying oven, and the set temperature was 100 °C and dried for 12 hours to obtain a dry SL-glazed ceramic china;

Step 5, put the dried SL-glazed ceramic china obtained in step 4 into a program-controlled high-temperature furnace, and fire it in an air atmosphere. During the firing process, the heating rate is 3 °C/min, and the firing temperature is 1250°C. The holding time is 60 min, and the cooling condition after firing is cooling with the furnace, so as to obtain the green ceramic glaze product of pine and cypress.

Fig. 1 shows the effect diagram of the ceramic glaze prepared by the method of Example 1, the glaze layer is pine and cypress green; the color coordinates of the glaze layer are L*=27.9, a*=-39.5, b*=-6.7, where L * stands for brightness, a* stands for (+ red, - green), b* stands for (+ yellow, - blue), in addition, the glaze layer has good gloss, lustrous enamel and a certain jade texture, no pinholes, orange glaze and other defects . From the color coordinates, it is further proved that the ceramic glaze prepared by the method of Example 1 exhibits pine and cypress green. Figure 2 shows the surface SEM image and the element surface distribution map of the ceramic glaze prepared by the method of Example 1. It can be seen from the figure that the Cu and Sr elements of the glaze layer of Example 1 are partially agglomerated, and the surface of the glaze layer is partially agglomerated. Fe element is present, but the content of Fe element is relatively small.

Example 2

A preparation method of pine and cypress green ceramic glaze, comprising the steps:

Step 1, the dredged sediment dry powder, strontium carbonate, and nano-copper oxide are weighed and prepared into SL glaze according to each mass ratio of (dredged sediment dry powder: strontium carbonate: nano-copper oxide=15:5.0:0.515), wherein, dredging Sediment dry powder is prepared by drying the dredged sediment in a drying oven at a temperature of 160 °C and a drying time of 10 h;

Step 2: Mix the SL glaze, water, and agate grinding balls in a mass ratio of 0.8:1.0:1.1, and then perform ball milling with a planetary ball mill. The rotation speed of the planetary ball mill is 200 r/min, and the ball milling time is 48 h. After the slurry is obtained, the slurry is passed through a 200-mesh mesh screen, and then the specific gravity of the slurry passing through the mesh screen is adjusted to 1.65 g/cm ³ with water, and the SL glaze slurry is obtained after the modulation is completed;

Step 3, put the ceramic bisque into a program-controlled high temperature furnace, set the heating rate to be 4 °C/min and heat up to 900 °C for 15 min under the condition of air atmosphere, and then cool with the furnace to obtain a bisque fired ceramic body, Among them, the formula of ceramic china is 55% kaolin, 30% quartz, and 15% feldspar.

In step 4, the SL glaze slurry prepared in step 2 is dipped into the glaze method so that the glaze is evenly coated on the surface of the biscuit-fired ceramic body in step 3, and the thickness of the glaze layer is 1.3 mm, so as to obtain the SL-glazed ceramic body, and the The SL-glazed ceramic china was placed in a blast drying oven, and the set temperature was 120 °C for 6 h to obtain the dried SL-glazed ceramic china;

Step 5, put the dried SL-glazed ceramic china obtained in step 4 into a program-controlled high-temperature furnace, and fire it in an air atmosphere. During the firing process, the heating rate is 3 °C/min, and the firing temperature is 1280°C. The holding time is 30 min, and the cooling condition after firing is cooling with the furnace, so as to obtain the green ceramic glaze product of pine and cypress.

Fig. 3 shows the effect diagram of the ceramic glaze prepared by the method of Example 2, the glaze layer is pine and cypress green; the color coordinates of the glaze layer are L*=25.9, a*=-31.5, b*=-8.6, where L * stands for brightness, a* stands for (+ red, - green), b* stands for (+ yellow, - blue), in addition, the glaze layer has good gloss, lustrous enamel and a certain jade texture, no pinholes, orange glaze and other defects . From the color coordinates, it is further proved that the ceramic glaze prepared by the method of Example 2 exhibits pine and cypress green.

Example 3

A preparation method of pine and cypress green ceramic glaze, comprising the steps:

Step 1, the dredged sediment dry powder, strontium carbonate, and nano-copper oxide are weighed and prepared into SL glaze according to each mass ratio of (dredged sediment dry powder: strontium carbonate: nano-copper oxide=15:4.0:0.425), wherein, dredging The dry powder of sediment is prepared by drying the dredged sediment in a drying oven at a temperature of 110 °C and a drying time of 12 h;

Step 2: Mix the SL glaze, water, and agate grinding balls in a mass ratio of 0.8:1.0:1.1, and then perform ball milling with a planetary ball mill. The rotation speed of the planetary ball mill is 200 r/min, and the ball milling time is 48 h. After the slurry is obtained, the slurry is passed through a 200-mesh mesh screen, and then the specific gravity of the slurry passing through the mesh screen is adjusted to 1.60 g/cm ³ with water, and the SL glaze slurry is obtained after the preparation is completed;

Step 3, put the ceramic bisque into a program-controlled high temperature furnace, set the heating rate to be 4 °C/min and heat up to 900 °C for 15 min under the condition of air atmosphere, and then cool with the furnace to obtain a bisque fired ceramic body, Among them, the formula of ceramic china is 55% kaolin, 30% quartz, and 15% feldspar.

In step 4, the SL glaze slurry prepared in step 2 is dipped into the glaze method so that the glaze is evenly coated on the surface of the biscuit-fired ceramic body in step 3, and the thickness of the glaze layer is 1.0 mm, so as to obtain the SL glazed ceramic body, and the The SL-glazed ceramic china was put into a blast drying oven, and the set temperature was 100 °C and dried for 12 hours to obtain a dry SL-glazed ceramic china;

Step 5, put the dried SL-glazed ceramic china obtained in step 4 into a program-controlled high-temperature furnace, and fire it in an air atmosphere. During the firing process, the heating rate is 3 °C/min, and the firing temperature is 1250°C. The holding time is 60 min, and the cooling condition after firing is cooling with the furnace, so as to obtain the green ceramic glaze product of pine and cypress.

Fig. 4 shows the effect diagram of the ceramic glaze prepared by the method of Example 3, the glaze layer is pine and cypress green; the color coordinates of the glaze layer are L*=23.5, a*=-30.9, b*=-8.9, where L * stands for brightness, a* stands for (+ red, - green), b* stands for (+ yellow, - blue), in addition, the glaze layer has good gloss, lustrous enamel and a certain jade texture, no pinholes, orange glaze and other defects . From the color coordinates, it is further proved that the ceramic glaze prepared by the method of Example 3 exhibits pine and cypress green.

Example 4

A preparation method of pine and cypress green ceramic glaze, comprising the steps:

Step 1, the dredged sediment dry powder, strontium carbonate, and nano-copper oxide are weighed according to each mass ratio as (dredged sediment dry powder: strontium carbonate: nano-copper oxide=15: 4.2: 0.475) to be prepared as SL glaze, wherein, dredging The dry powder of sediment is prepared by drying the dredged sediment in a drying oven at a temperature of 110 °C and a drying time of 12 h;

Step 2: Mix the SL glaze, water, and agate grinding balls in a mass ratio of 0.8:1.0:1.1, and then perform ball milling with a planetary ball mill. The rotation speed of the planetary ball mill is 200 r/min, and the ball milling time is 48 h. After the slurry is obtained, the slurry is passed through a 200-mesh mesh sieve, and then the specific gravity of the slurry passing through the mesh sieve is adjusted to 1.55 g/cm ³ with water, and the SL glaze slurry is obtained after the preparation is completed;

Step 3, put the ceramic bisque into a program-controlled high temperature furnace, set the heating rate to be 4 °C/min and heat up to 900 °C for 15 min under the condition of air atmosphere, and then cool with the furnace to obtain a bisque fired ceramic body, Among them, the formula of ceramic china is 55% kaolin, 30% quartz, and 15% feldspar.

In step 4, the SL glaze slurry prepared in step 2 is applied to the surface of the biscuit-fired ceramic body in step 3 by using the dipping method to uniformly coat the glaze, and the thickness of the glaze layer is 1.1 mm, so as to obtain the SL-glazed ceramic body, and the The SL-glazed ceramic china was placed in a blast drying oven, and the set temperature was 100 °C for 12 h to obtain a dry SL-glazed ceramic china;

Step 5, put the dried SL-glazed ceramic china obtained in step 4 into a program-controlled high-temperature furnace, and fire it in an air atmosphere. During the firing process, the heating rate is 3 °C/min, and the firing temperature is 1270°C. The holding time is 60 min, and the cooling condition after firing is cooling with the furnace, so as to obtain the green ceramic glaze product of pine and cypress.

Fig. 5 shows the effect diagram of the ceramic glaze prepared by the method of Example 4, the glaze layer is pine and cypress green; the color coordinates of the glaze layer are L*=26.1, a*=-35.2, b*=-3.9, where L * stands for brightness, a* stands for (+ red, - green), b* stands for (+ yellow, - blue), in addition, the glaze layer has good gloss, lustrous enamel and a certain jade texture, no pinholes, orange glaze and other defects . From the color coordinates, it is further proved that the ceramic glaze prepared by the method of Example 4 exhibits pine and cypress green.

Example 5

A preparation method of pine and cypress green ceramic glaze, comprising the steps:

Step 1, the dredged sediment dry powder, strontium carbonate, and nano-copper oxide are weighed and prepared as SL glaze according to each mass ratio of (dredged sediment dry powder: strontium carbonate: nano-copper oxide=15:3.9:0.395), wherein, dredging The dry powder of sediment is prepared by drying the dredged sediment in a drying oven at a temperature of 110 °C and a drying time of 12 h;

Step 2: Mix the SL glaze, water, and agate grinding balls in a mass ratio of 0.8:1.0:1.1, and then perform ball milling with a planetary ball mill. The rotation speed of the planetary ball mill is 200 r/min, and the ball milling time is 48 h. After the slurry is obtained, the slurry is passed through a 200-mesh mesh screen, and then the specific gravity of the slurry passing through the mesh screen is adjusted to 1.58 g/cm ³ with water, and the SL glaze slurry is obtained after the modulation is completed;

Step 3, put the ceramic bisque into a program-controlled high temperature furnace, set the heating rate to be 4 °C/min and heat up to 900 °C for 15 min under the condition of air atmosphere, and then cool with the furnace to obtain a bisque fired ceramic body, Among them, the formula of ceramic china is 55% kaolin, 30% quartz, and 15% feldspar.

In step 4, the SL glaze slurry prepared in step 2 is dipped into the glaze method to uniformly coat the glaze on the surface of the biscuit-fired ceramic body in step 3, and the thickness of the glaze layer is 1.2 mm to obtain the SL-glazed ceramic body, and the The SL-glazed ceramic china was put into a blast drying oven, and the set temperature was 100 °C and dried for 12 hours to obtain a dry SL-glazed ceramic china;

Step 5, put the dried SL-glazed ceramic china obtained in step 4 into a program-controlled high-temperature furnace, and fire it in an air atmosphere. During the firing process, the heating rate is 3 °C/min, and the firing temperature is 1280°C. The holding time is 30 min, and the cooling condition after firing is cooling with the furnace, so as to obtain the green ceramic glaze product of pine and cypress.

Fig. 6 shows the effect diagram of the ceramic glaze prepared by the method of Example 5, the glaze layer is pine and cypress green; the color coordinates of the glaze layer are L*=22.6, a*=-31.2, b*=-7.3, where L * stands for brightness, a* stands for (+ red, - green), b* stands for (+ yellow, - blue), in addition, the glaze layer has good gloss, lustrous enamel and a certain jade texture, no pinholes, orange glaze and other defects . From the color coordinates, it is further proved that the ceramic glaze prepared by the method of Example 5 exhibits pine and cypress green.

Example 6

A preparation method of pine and cypress green ceramic glaze, comprising the steps:

Step 1, the dredged sediment dry powder, strontium carbonate, and nano-copper oxide are weighed and prepared as SL glaze according to each mass ratio of (dredged sediment dry powder: strontium carbonate: nano-copper oxide=15:4.1:0.435), wherein, dredging The dry powder of sediment is prepared by drying the dredged sediment in a drying oven at a temperature of 110 °C and a drying time of 12 h;

Step 2: Mix the SL glaze, water, and agate grinding balls in a mass ratio of 0.8:1.0:1.1, and then perform ball milling with a planetary ball mill. The rotation speed of the planetary ball mill is 200 r/min, and the ball milling time is 48 h. After the slurry is obtained, the slurry is passed through a 200-mesh mesh screen, and then the specific gravity of the slurry passing through the mesh screen is adjusted to 1.65 g/cm ³ with water, and the SL glaze slurry is obtained after the modulation is completed;

Step 3, put the ceramic bisque into a program-controlled high temperature furnace, set the heating rate to be 4 °C/min and heat up to 900 °C for 15 min under the condition of air atmosphere, and then cool with the furnace to obtain a bisque fired ceramic body, Among them, the formula of ceramic china is 55% kaolin, 30% quartz, and 15% feldspar.

In step 4, the SL glaze slurry prepared in step 2 is applied to the surface of the biscuit-fired ceramic body in step 3 by using the dipping method to uniformly coat the glaze, and the thickness of the glaze layer is 1.1 mm, so as to obtain the SL-glazed ceramic body, and the The SL-glazed ceramic china was put into a blast drying oven, and the set temperature was 100 °C and dried for 12 hours to obtain a dry SL-glazed ceramic china;

Step 5, put the dried SL-glazed ceramic china obtained in step 4 into a program-controlled high-temperature furnace, and fire it in an air atmosphere. During the firing process, the heating rate is 3 °C/min, and the firing temperature is 1250°C. The holding time is 60 min, and the cooling condition after firing is cooling with the furnace, so as to obtain the green ceramic glaze product of pine and cypress.

Fig. 7 shows the effect diagram of the ceramic glaze prepared by the method of Example 6, the glaze layer is pine and cypress green; the color coordinates of the glaze layer are L*=29.1, a*=-34.4, b*=-8.2, where L * stands for brightness, a* stands for (+ red, - green), b* stands for (+ yellow, - blue), in addition, the glaze layer has good gloss, lustrous enamel and a certain jade texture, no pinholes, orange glaze and other defects . From the color coordinates, it is further proved that the ceramic glaze prepared by the method of Example 6 exhibits pine and cypress green.

It should be noted that when the description of the present invention relates to a numerical range, it should be understood that the two endpoints of each numerical range and any value between the two endpoints can be selected, because the steps and methods adopted are the same as those in Examples 1 to 6. In order to avoid repetition, the present invention describes the preferred embodiments, but those skilled in the art can make additional changes and modifications to these embodiments once the basic inventive concept is known. Therefore, the appended claims are intended to be construed to include the preferred embodiment and all changes and modifications that fall within the scope of the present invention.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit and scope of the invention. Thus, provided that these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims (8)

1. a preparation method of pine and cypress green ceramic glaze, is characterized in that: comprise the steps: Step 1, the dredging bottom mud dry powder, strontium carbonate, nano-copper oxide are weighed and prepared as SL glaze according to a certain mass ratio; Step 2: Mix the SL glaze, water, and agate grinding balls in a mass ratio of 0.8:1.0:1.1, and then use a planetary ball mill for ball milling. After the ball milling is completed, a slurry is obtained. The specific gravity of the slurry passing through the mesh screen is adjusted to 1.50~1.65 g/cm ³ , and the SL glaze slurry is obtained after the adjustment; Step 3, put the ceramic bisque into a program-controlled high-temperature furnace, set a heating rate of 4 °C/min to heat up to 900 °C for 15 min under the condition of air atmosphere, and then cool with the furnace to obtain a bisque fired ceramic body; In step 4, the SL glaze slurry prepared in step 2 is dipped into the glaze method so that the glaze is evenly coated on the surface of the biscuit-fired ceramic body in step 3 to obtain the SL-glazed ceramic body, and the SL-glazed ceramic body is fully coated. drying to obtain a dry SL-glazed ceramic china; Step 5, put the dried SL glazed ceramic china prepared in step 4 into a program-controlled high-temperature furnace, and fire in an air atmosphere to obtain the pine and cypress green ceramic glaze product. 2. the preparation method of a kind of pine and cypress green ceramic glaze according to claim 1, is characterized in that, in described step 1, dredging bottom mud dry powder is 110～160 ℃ by dredging bottom mud at drying oven drying temperature, drying. The time is 10~12 h. 3. the preparation method of a kind of pine and cypress green ceramic glaze according to claim 2, is characterized in that, in described step 1, dredging bottom mud dry powder, strontium carbonate, nano-copper oxide are (dredging bottom mud dry powder according to each mass ratio: Strontium carbonate: nano-copper oxide = 15: (3.5~5.0): (0.375~0.515)) Weigh and prepare the SL glaze. 4. the preparation method of a kind of pine and cypress green ceramic glaze according to claim 1, is characterized in that, in described step 2, the ball milling rotation speed of planetary ball milling is 200-300 r/min, and the ball milling time is 24-48 h. 5. the preparation method of a kind of pine and cypress green ceramic glaze according to claim 1, is characterized in that, the formula of the ceramic china described in the step 3 is kaolin 55%, quartz 30%, feldspar 15%. 6. The preparation method of pine and cypress green ceramic glaze according to claim 1, wherein in the step 4, the thickness of the glaze layer of the SL glazed ceramic china is 1.0-1.3 mm. 7. the preparation method of pine and cypress green ceramic glaze according to claim 1, is characterized in that, in described step 4, the sufficient drying condition of SL glazed ceramic china is that the glazing ceramic china is put into blast drying oven, and set Dry at 100-120 °C for 6-12 hours. 8. the preparation method of pine and cypress green ceramic glaze according to claim 1, is characterized in that, in described step 5, the firing temperature of applying SL glaze ceramic china is 1250-1280 ℃, and the heating rate is 3 ℃/min, During the firing process, the holding time is 30-60 min, and the furnace is cooled after firing.

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