阅读说明：本技术 一种实心凝玉瓷及其制备工艺 (Solid jade porcelain and preparation process thereof ) 是由 郑雄彭 郑雄伟 于 2019-12-11 设计创作，主要内容包括：本发明涉及陶瓷制造技术领域,具体的涉及一种实心凝玉瓷及其制备工艺。本发明提供的实心凝玉瓷,通过对实心凝玉瓷的原料配方与制备方法进行创新,实心凝玉瓷在细节上的雕刻表现与凝玉瓷表面温润如玉的表面相得益彰,所制成的瓷塑造型优美、神韵感人、线条柔和,反应出更优于传统瓷塑的效果。该种实心凝玉瓷的制备工艺提供了一种全新的陶瓷品种,大幅提高了实行瓷的烧成率,艺术效果强,对推动德化白瓷的发展具有积极的意义而且具有积极的经济效益。(The invention relates to the technical field of ceramic manufacturing, in particular to solid corundum porcelain and a preparation process thereof. According to the solid jade porcelain provided by the invention, the raw material formula and the preparation method of the solid jade porcelain are innovated, the carving performance of the solid jade porcelain on details and the surface of the jade porcelain are mild and as jade, the manufactured porcelain plastic has beautiful shape, is charming and has soft lines, and the reaction is better than the effect of the traditional porcelain plastic. The preparation process of the solid corundum porcelain provides a brand-new ceramic variety, greatly improves the firing rate of the porcelain, has strong artistic effect, has positive significance for promoting the development of the German white porcelain, and has positive economic benefit.)

1. The utility model provides a solid jade porcelain, includes solid jade porcelain body of condensing, its characterized in that: the solid jade porcelain body comprises a main body and small micro parts, wherein the main body and the small micro parts are adhered, and exhaust holes of 0.2-0.5 cm are formed in the main body.

2. The solid corundum porcelain of claim 1, wherein: the exhaust hole is arranged on the main body and is arranged at the joint of the main body and the small micro part.

3. The solid corundum porcelain of claim 1, wherein: the solid corundum porcelain body comprises the following raw material components: 20-30 parts of germanized kaolin, 10-15 parts of Longyan kaolin, 10-15 parts of Suzhou kaolin, 15-20 parts of Australian washing kaolin, 10-15 parts of soft clay, 5-10 parts of quartz and 10-15 parts of feldspar.

4. The solid corundum porcelain of claim 3, wherein the solid corundum porcelain body is prepared from the following raw material components: 28 parts of germanized kaolin, 11 parts of Longyan kaolin, 13 parts of Suzhou kaolin, 16 parts of Australian washing kaolin, 12 parts of soft clay, 8 parts of quartz and 12 parts of feldspar.

5. The solid corundum porcelain of claim 3, wherein the solid corundum porcelain body is prepared from the following raw material components: 23 parts of germanized kaolin, 10 parts of Longyan kaolin, 14 parts of Suzhou kaolin, 18 parts of Australian washing kaolin, 14 parts of soft clay, 6 parts of quartz and 15 parts of feldspar.

6. A solid jade porcelain and a manufacturing process of the preparation process thereof, the solid jade porcelain with the manufacturing requirement of any one of 1-5 comprises the following specific steps:

step 1, preparing a ceramic-plastic blank body by using a solid jade ceramic blank body raw material, wherein the ceramic-plastic blank body comprises a main body and small micro parts;

step 2, forming an exhaust hole of 0.2-0.5 cm on the main body, and sticking the main body and the small micro-component into a ceramic-plastic blank;

step 3, integrally drying the prepared ceramic-plastic green body until the water content of the ceramic-plastic green body is 2-1% and the ceramic-plastic green body is uniformly yellowed;

and 4, placing the prepared porcelain plastic blank into a kiln for firing, raising the temperature of the kiln to the firing temperature after 53-63 hours, wherein the firing temperature is 1318-1325 ℃, and lowering the temperature of the kiln to 50 ℃ after the kiln reaches the firing temperature for 80-100 hours, so as to obtain the solid corundum porcelain.

7. The solid corundum porcelain and the manufacturing process thereof according to claim 6 are characterized in that the step of integrally drying the prepared porcelain-plastic blank in the step 3 is as follows:

s1, placing the porcelain plastic blank into a sealed ceramic container and standing for 20-40 days;

s2, taking out the porcelain plastic blank from the ceramic container, and putting the porcelain plastic blank into a shade drying chamber for 30-40 days, wherein the temperature in the shade drying chamber is kept constant at 19-23 ℃, and the relative humidity is kept constant at 65-75%;

s3, placing the porcelain-plastic blank into a drying chamber, keeping the temperature of the drying chamber constant at 25-29 ℃ and keeping the relative humidity constant at 35-45%, and waiting for the porcelain clay to yellow.

8. The solid corundum porcelain and the manufacturing process thereof according to claim 7 are characterized in that: and (3) taking the ceramic body out of the drying chamber and placing the ceramic body in the drying chamber, placing the ceramic body on a rotating disk, blowing air to the ceramic-plastic body by using a fan when the ceramic-plastic body rotates, and air-drying the ceramic-plastic body.

9. The solid corundum porcelain and the manufacturing process thereof according to claim 6 are characterized in that: the temperature rise of the kiln in the step 4 is controlled as follows, and the temperature during firing is controlled as follows

In the preheating stage, the temperature of the kiln is increased to 200 ℃ from 11 to 13 hours;

in the temperature rise stage, the temperature of the kiln is raised from 200 ℃ to 1000 ℃ for 33-39 hours;

in the firing stage, the kiln is heated to the firing temperature from 1000 ℃ after 9 to 11 hours;

in the heat preservation stage, the kiln is preserved for 1 to 2 hours at the firing temperature;

in the stage of uniform speed reduction, the temperature of the kiln is reduced to 1280 ℃ from the firing temperature after 3 to 5 hours;

and in the slow cooling stage, the temperature of the kiln is reduced from 1280 ℃ to 50 ℃ after 80-100 hours, and the kiln is taken out.

10. The solid corundum porcelain and the manufacturing process thereof according to claim 9 are characterized in that: the temperature raising stage comprises

In the slow heating stage, the temperature of the kiln is increased from 200 ℃ to 400 ℃ for 11-13 hours;

in the constant-speed heating stage, the temperature of the kiln is increased from 400 ℃ to 800 ℃ for 15-17 hours;

in the rapid heating stage, the temperature of the kiln is raised to 1000 ℃ from 800 ℃ after 7-9 hours.

Technical Field

The invention relates to the technical field of ceramic manufacturing, in particular to solid corundum porcelain and a preparation process thereof.

Background

The german porcelain began in the Song dynasty and the Ming dynasty developed greatly. With the prosperity of Buddhism in China, sculpture arts such as immortal Buddha figures and the like arouse great interest of porcelain workers. Yuanzhu, the German porcelain-plastic Buddha statue is very popular. In the future, the art and style of the Chinese porcelain art garden have been developed, and the Chinese porcelain art garden becomes a unique artistic flower.

The Dehua ceramic uses Dehua local kaolin as a raw material, and thick-matrix firing of the Dehua local kaolin is extremely difficult. The solid porcelain-plastic matrix is thick and solid, so that the creators can freely control the carving depth and the smoothness of the texture, and the product has more layering and jumping feeling. But the solid porcelain plastic is difficult to fire and has low yield. In order to solve the problems, the invention patent application of CN104859363A discloses a solid porcelain plastic and a preparation process thereof, the solid porcelain plastic and the preparation process thereof control the moisture content and the firing temperature of a blank, and in the specific moisture content control, the existing solid porcelain plastic adopts a natural air drying method which is greatly influenced by climate and region and can not accurately control the moisture content; in addition, the existing solid porcelain plastics are manufactured into a main body part and a small micro part respectively when manufactured, the body of the main body part is solid and has no air holes, the manufactured body is manufactured into a blank body through the working procedures of bonding, trimming and the like, and the solid blank body with no air holes is easy to crack when being fired due to the uneven water content of the main body and the small micro part, particularly the joint of the main body and the small micro part, so how to improve the yield of the solid porcelain plastics manufacturing process, the stability of the manufacturing process and the artistic performance effect of the solid porcelain plastics is the problem which needs to be solved by a porcelain plastics technologist.

Disclosure of Invention

In order to solve the defects of the prior art, the invention provides a solid corundum porcelain and a preparation process thereof.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows: the utility model provides a solid jade porcelain, includes solid jade porcelain body of condensing, its characterized in that: the solid jade porcelain body comprises a main body and small micro parts, wherein the main body and the small micro parts are adhered, and exhaust holes of 0.2-0.5 cm are formed in the main body.

Furthermore, the exhaust hole is arranged on the main body and is arranged at the joint of the main body and the small micro part.

Further, the solid corundum porcelain body comprises the following raw material components: 20-30 parts of germanized kaolin, 10-15 parts of Longyan kaolin, 10-15 parts of Suzhou kaolin, 15-20 parts of Australian washing kaolin, 10-15 parts of soft clay, 5-10 parts of quartz and 10-15 parts of feldspar.

Further, the solid corundum porcelain body comprises the following raw material components: 28 parts of germanized kaolin, 11 parts of Longyan kaolin, 13 parts of Suzhou kaolin, 16 parts of Australian washing kaolin, 12 parts of soft clay, 8 parts of quartz and 12 parts of feldspar.

Further, the solid corundum porcelain body comprises the following raw material components: 23 parts of germanized kaolin, 10 parts of Longyan kaolin, 14 parts of Suzhou kaolin, 18 parts of Australian washing kaolin, 14 parts of soft clay, 6 parts of quartz and 15 parts of feldspar.

A solid corundum porcelain and a manufacturing process of the preparation process thereof are disclosed, wherein the solid corundum porcelain is manufactured by the following specific steps:

step 1, preparing a ceramic-plastic blank body by using a solid jade ceramic blank body raw material, wherein the ceramic-plastic blank body comprises a main body and small micro parts;

step 2, forming an exhaust hole of 0.2-0.5 cm on the main body, and sticking the main body and the small micro-component into a ceramic-plastic blank;

step 3, integrally drying the prepared ceramic-plastic green body until the water content of the ceramic-plastic green body is 2-1% and the ceramic-plastic green body is uniformly yellowed;

and 4, placing the prepared porcelain plastic blank into a kiln for firing, raising the temperature of the kiln to the firing temperature after 53-63 hours, wherein the firing temperature is 1318-1325 ℃, and lowering the temperature of the kiln to 50 ℃ after the kiln reaches the firing temperature for 80-100 hours, so as to obtain the solid corundum porcelain.

Further, the step of integrally drying the prepared porcelain-plastic blank in the step 3 is as follows:

s1, placing the porcelain plastic blank into a sealed ceramic container and standing for 20-40 days;

s2, taking out the porcelain plastic blank from the ceramic container, and putting the porcelain plastic blank into a shade drying chamber for 30-40 days, wherein the temperature in the shade drying chamber is kept constant at 19-23 ℃, and the relative humidity is kept constant at 65-75%;

s3, placing the porcelain-plastic blank into a drying chamber, keeping the temperature of the drying chamber constant at 25-29 ℃ and keeping the relative humidity constant at 35-45%, and waiting for the porcelain clay to yellow.

Further, before the ceramic green body is taken out of the drying chamber and placed in the drying chamber, the ceramic green body is placed on a rotating disk, and the ceramic green body is blown by a fan when rotating to be air-dried.

Further, the temperature rise of the kiln in the step 4 is controlled as follows: in the preheating stage, the temperature of the kiln is increased to 200 ℃ from 11 to 13 hours; in the temperature rise stage, the temperature of the kiln is raised from 200 ℃ to 1000 ℃ for 33-39 hours; in the firing stage, the kiln is heated to the firing temperature from 1000 ℃ after 9 to 11 hours; in the heat preservation stage, the kiln is preserved for 1 to 2 hours at the firing temperature;

in the stage of uniform speed reduction, the temperature of the kiln is reduced to 1280 ℃ from the firing temperature after 3 to 5 hours;

and in the slow cooling stage, the temperature of the kiln is reduced from 1280 ℃ to 50 ℃ after 80-100 hours, and the kiln is taken out.

Further, the temperature rise stage comprises a slow temperature rise stage, and the temperature of the kiln is raised from 200 ℃ to 400 ℃ for 11-13 hours; in the constant-speed heating stage, the temperature of the kiln is increased from 400 ℃ to 800 ℃ for 15-17 hours; in the rapid heating stage, the temperature of the kiln is raised to 1000 ℃ from 800 ℃ after 7-9 hours.

According to the solid jade porcelain provided by the invention, the raw material formula and the preparation method of the solid jade porcelain are innovated, the carving performance of the solid jade porcelain on details and the surface of the jade porcelain are mild and as jade, the manufactured porcelain plastic has beautiful shape, is charming and has soft lines, and the reaction is better than the effect of the traditional porcelain plastic. The solid corundum porcelain controls the raw materials of the body, the raw materials of the body are combined by using various kaolins, and the solid corundum porcelain has the characteristics of better dispersity, low impurity content, strong chemical inertia, good drainage property and the like; when the solid corundum porcelain is prepared, the moisture content of the inside and the outside of the blank body is ensured to be consistent through sectional drying; during firing, the firing temperature, the heating rate and the cooling rate are controlled, so that the firing rate of the product is improved; the preparation process of the solid corundum porcelain provides a brand-new ceramic variety, greatly improves the firing rate of the porcelain, has strong artistic effect, has positive significance for promoting the development of the German white porcelain, and has positive economic benefit.

Detailed Description

The invention is further described below by means of specific embodiments.

A solid corundum porcelain comprises a solid corundum porcelain body, wherein the solid corundum porcelain body comprises a main body and a small micro part, the main body and the small micro part are adhered, and the main body is internally provided with an exhaust hole of 0.2-0.5 cm, and the exhaust hole is formed in the main body and is formed at the joint of the main body and the small micro part;

the solid corundum porcelain body comprises the following raw material components: 20-30 parts of germanized kaolin, 10-15 parts of Longyan kaolin, 10-15 parts of Suzhou kaolin, 15-20 parts of Australian washing kaolin, 10-15 parts of soft clay, 5-10 parts of quartz and 10-15 parts of feldspar.

A solid corundum porcelain and a manufacturing process of the preparation process thereof are disclosed, wherein the solid corundum porcelain is manufactured by the following specific steps:

step 1, preparing a ceramic-plastic blank body by using a solid jade ceramic blank body raw material, wherein the ceramic-plastic blank body comprises a main body and small micro parts;

step 2, forming an exhaust hole of 0.2-0.5 cm on the main body, adhering the main body and the small micro component into a ceramic-plastic blank, covering the small micro component after the exhaust hole is formed, wherein the exhaust hole of the main body cannot be seen from the surface, and the exhaust hole can be effectively avoided when the ceramic-plastic blank is fired;

step 3, integrally drying the prepared ceramic-plastic green body until the water content of the ceramic-plastic green body is 2-1 percent and the ceramic-plastic green body is uniformly yellowed,

the overall drying steps are as follows:

s1, placing the porcelain-plastic blank into a sealed ceramic container to stand for 20-40 days to avoid overhigh drying temperature or overhigh drying speed of the porcelain-plastic blank, placing the porcelain-plastic blank into the sealed ceramic container to stand for a period of time to ensure uniform moisture in the ceramic blank, and because the surface of the ceramic jar has air holes, the ceramic jar has good drainage and air permeability, is more beneficial to the mutual permeation of the moisture in the porcelain-plastic blank and avoids cracking and foaming during firing;

s2, taking out the ceramic-plastic blank from the ceramic container, putting the ceramic-plastic blank into a shade drying chamber for 30-40 days, keeping the temperature in the shade drying chamber constant at 19-23 ℃ and keeping the relative humidity constant at 65-75%, drying the whole ceramic-plastic blank in the shade drying chamber, and making the water content in the ceramic-plastic blank after passing through the shade drying chamber lower than the tax refunding rate of the surface;

s3, before the ceramic body is taken out of the drying chamber and placed in the drying chamber, the ceramic body is placed on a rotating disc, and the ceramic-plastic body is blown by a fan when rotating to be air-dried;

s4, placing the porcelain-plastic blank into a drying chamber, keeping the temperature of the drying chamber constant at 25-29 ℃ and keeping the relative humidity constant at 35-45%, and waiting until the porcelain clay turns yellow to show that the water content reaches the standard, wherein the water content inside and outside the blank is consistent with that outside the blank;

step 4, placing the prepared porcelain plastic blank into a kiln for firing, heating the kiln to the firing temperature after 53-63 hours, and controlling the firing temperature as follows

In the preheating stage, the temperature of the kiln is increased to 200 ℃ from 11 to 13 hours;

a temperature rise stage, wherein the temperature of the kiln is raised from 200 ℃ to 1000 ℃ after 33-39 hours, the temperature rise stage is divided into three parts, namely a slow temperature rise stage, the temperature of the kiln is raised from 200 ℃ to 400 ℃ after 11-13 hours, the temperature of the kiln is raised from 200 ℃ to 400 ℃, the temperature is raised at a constant speed, the temperature of the kiln is raised from 400 ℃ to 800 ℃ after 15-17 hours, the temperature is raised from a fast temperature rise stage, and the temperature of the kiln is raised from 800 ℃ to 1000 ℃ after 7;

in the firing stage, the temperature of the kiln is raised from 1000 ℃ to the firing temperature after 9-11 hours, and the firing temperature is 1318-1325 ℃;

in the heat preservation stage, the kiln is preserved for 1 to 2 hours at the firing temperature;

in the stage of uniform speed reduction, the temperature of the kiln is reduced to 1280 ℃ from the firing temperature after 3 to 5 hours;

in the slow cooling stage, the temperature of the kiln is reduced from 1280 ℃ to 50 ℃ after 80-100 hours, and the kiln is taken out

And (3) after the kiln reaches the firing temperature, cooling to 50 ℃ for 80-100 hours, and taking out of the kiln to obtain the solid corundum porcelain.