Tiezen Ru porcelain product and preparation method thereof

Abstract

The invention discloses a celeste blue Ru porcelain ceramic product and a preparation method thereof, and belongs to the technical field of ceramics. The celeste blue Ru porcelain ceramic product comprises a ceramic body and a glaze layer, the glaze layer is attached to the surface of the ceramic body, and the glaze layer comprises the following components: potassium feldspar, Hubei feldspar, silica stone, stalactite, calcined talc, Datong soil, barium carbonate, bone black, tin oxide and 1.9-2.1 parts of pigment. The prepared celeste blue Ru porcelain product has excellent glaze strength, high glossiness and good glaze visual effect.

Description

Technical Field

[0001] The invention belongs to the technical field of ceramics, and in particular relates to a Tianqing Ru porcelain ceramic product and a preparation method thereof. Background Art

[0002] Ceramic products have always been a common product for the public. They are widely used in daily necessities, handicrafts, and even in precision instruments of high-end equipment. However, the public is more exposed to daily necessities and handicrafts. Ceramic glazes are varied. Some people like solid colors, while others like glazes with many patterns. Therefore, the ceramic industry is also committed to developing different new products to meet the different needs of the market.

[0003] The Chinese invention patent application document with application number 201510558946.4 discloses a celadon glaze, which belongs to the technical field of ceramic glazes. During the preparation and firing process, the firing atmosphere must be strictly controlled, which is difficult to control during mass production in the entire kiln, and the yield is low. Therefore, it is necessary to develop a production process that is easy to control and suitable for mass production of celadon Ru porcelain ceramic products. Summary of the invention

[0004] The purpose of the present invention is to overcome the deficiencies of the prior art and provide a Tianqing Ru porcelain ceramic product and a preparation method thereof.

[0005] The present invention adopts the following technical solution: The Tianqing Ru porcelain ceramic product includes a ceramic body and a glaze layer. The glaze layer is attached to the surface of the ceramic body and is formed by firing. The glaze layer includes the following components in parts by mass: 14.4-19.1 parts of potassium feldspar, 12.2-15.3 parts of Hubei feldspar, 32.2-43.1 parts of silica, 16.3-19.5 parts of stalactites, 3.6-4.8 parts of burned talc, 3.2-5.6 parts of Datong soil, 11.6-14.8 parts of barium carbonate, 1.9-2.3 parts of bone charcoal, 2.8-3.4 parts of tin oxide, and 1.9-2.1 parts of colorant.

[0006] Furthermore, the colorant includes the following components in parts by mass: 40-43 parts of copper oxide, 40-43 parts of tin oxide, and 20-25 parts of barium oxide.

[0007] The method for preparing the Tianqing Ru porcelain ceramic product comprises the following steps: Step 1: Prepare glaze S1. Preparation of pigment Mixing and crushing the copper oxide, tin oxide and barium oxide according to the mass fractions to obtain crushed material; S2. Calcination The crushed material obtained in S1 is calcined, and after cooling, a calcined material is obtained; S3, Mixing According to the mass fractions, the potassium feldspar, Hubei feldspar, silica, stalactite, talc, Datong soil, barium carbonate, bone charcoal and tin oxide are mixed, crushed and pounded to obtain a pounded material; S4, ball mill The calcined material obtained in S2 and the hammered material obtained in S3 are mixed and ball-milled to obtain a ball-milled material; S5. Prepare glaze The obtained ball mill material is mixed with water to obtain azure ceramic glaze water; Step 2: Glazing and Firing The azure-colored ceramic glaze obtained in step 1 is applied to the surface of the ceramic body. After firing, the glaze forms a glaze layer, thereby obtaining a azure-colored Ru porcelain ceramic product.

[0008] Furthermore, after the crushing in S1, the product is passed through a 50-60 mesh sieve, and the calcination temperature in S2 is 1250-1280° C., and the calcination time is 30-40 minutes.

[0009] Furthermore, the pounding in S3 is performed using a Raymond mill for 1.5 to 2 hours, and the ball milling in S4 is performed using the following mass ratio: ball: water: material = 1:1.1 to 1.2:1, the rotation speed during the ball milling is 450 to 500 r / min, and the ball milling time is 24 to 36 hours.

[0010] Furthermore, the Baume degree of the S5 prepared glaze is 45~48.

[0011] Furthermore, the firing process described in step 2 is specifically as follows: One-stage firing: heating up to 200-270°C at a rate of 0.6-0.8°C / min, and keeping the temperature constant for 30-50 minutes; Second stage firing: heating up to 500~650℃ at a heating rate of 1.0~1.1℃ / min, and keeping the temperature constant for 60~90min; Three-stage firing: heating up to 850~930℃ at a heating rate of 0.8~0.9℃ / min, and keeping the temperature constant for 60~120min; Four-stage firing: heating up to 1320~1350℃ at a heating rate of 1.0~1.2℃ / min, and keeping the temperature constant for 60~80min; Five-stage firing: cool down to 560~620℃ at a cooling rate of 10~12℃ / min, and then cool naturally to obtain Tianqing Ru porcelain ceramic products.

[0012] Compared with the prior art, the present invention has the following beneficial effects: The Tianqing Ru porcelain ceramic product of the present invention consists of a ceramic body and a glaze layer, wherein the colorant components in the glaze layer are copper oxide, tin oxide and barium oxide, which are first calcined to effectively remove impurities, which is beneficial to improve the bonding degree with other raw material particles, ensure the stability of the glaze surface, and effectively improve the glossiness.

[0013] At the same time, in order to improve the strength of the glaze, sandstone, stalactites and Datong soil are mixed and used, and the five-stage firing method designed by the inventor is used to effectively improve the coloring of the glaze by using the heating rate and constant temperature, and more importantly, to improve the compactness of the glaze, thereby improving the strength of the glaze. In addition, the azure ceramic glaze developed by the applicant is widely applicable to most ceramic bodies on the market, and has strong adhesion to the ceramic bodies. DETAILED DESCRIPTION

[0014] The raw materials used in the present invention are all commercially available products. Example 1

[0015] The Tianqing Ru porcelain ceramic product includes a ceramic body and a glaze layer. The glaze layer is attached to the surface of the ceramic body and is formed through firing. The glaze layer includes the following components in parts by mass: 14.4 parts of potassium feldspar, 12.2 parts of Hubei feldspar, 32.2 parts of silica, 16.3 parts of stalactites, 3.6 parts of burned talc, 3.2 parts of Datong soil, 11.6 parts of barium carbonate, 1.9 parts of bone charcoal, 2.8 parts of tin oxide, and 1.9 parts of colorant.

[0016] The colorant includes the following components by mass: 40 parts of copper oxide, 40 parts of tin oxide, and 20 parts of barium oxide.

[0017] The method for preparing the Tianqing Ru porcelain ceramic product according to claim 1 comprises the following steps: Step 1: Prepare glaze S1. Preparation of pigment According to the mass fractions, the copper oxide, tin oxide and barium oxide are mixed and crushed, and after crushing, the mixture is passed through a 50-60 mesh sieve to obtain a crushed material; S2. Calcination The crushed material obtained in S1 was calcined at a temperature of 1250°C for 30 min, and then cooled to obtain a calcined material; S3, Mixing According to the mass fractions, the potassium feldspar, Hubei feldspar, silica, stalactite, burned talc, Datong soil, barium carbonate, bone char and tin oxide are mixed and crushed, and hammered by using a Raymond mill for 1.5 hours to obtain a hammered material; S4, ball mill The calcined material obtained in S2 and the hammered material obtained in S3 are mixed and ball-milled. The ball-milling is performed in the following mass ratio: ball: water: material = 1:1.1:1. The rotation speed during the ball-milling is 450 r / min. The ball-milling time is 24 h. After ball-milling, a ball-milled material is obtained. S5. Prepare glaze The ball milled material was mixed with water to adjust the glaze water to have a Baume degree of 45, thereby obtaining a sky-blue ceramic glaze water; Step 2: Glazing and Firing The azure-colored ceramic glaze obtained in step 1 is applied to the surface of the ceramic body. After firing, the glaze forms a glaze layer, thereby obtaining a azure-colored Ru porcelain ceramic product.

[0018] Preferably, the firing process is as follows: One-stage firing: heating up to 200°C at a rate of 0.6°C / min and keeping the temperature constant for 30 minutes; Second stage firing: heating up to 500°C at a heating rate of 1.0°C / min and maintaining the temperature for 60 minutes; Three-stage firing: heating up to 850℃ at a heating rate of 0.8℃ / min and keeping constant temperature for 60min; Four-stage firing: heating up to 1320℃ at a heating rate of 1.0℃ / min and keeping the temperature constant for 60min; Five-stage firing: cool down to 560℃ at a cooling rate of 10℃ / min, and then cool naturally. Example 2

[0019] The Tianqing Ru porcelain ceramic product includes a ceramic body and a glaze layer. The glaze layer is attached to the surface of the ceramic body and is formed by firing. The glaze layer includes the following components in parts by mass: 19.1 parts of potassium feldspar, 15.3 parts of Hubei feldspar, 43.1 parts of silica, 19.5 parts of stalactites, 4.8 parts of burned talc, 5.6 parts of Datong soil, 14.8 parts of barium carbonate, 2.3 parts of bone charcoal, 3.4 parts of tin oxide, and 2.1 parts of colorant.

[0020] The colorant includes the following components by mass: 43 parts of copper oxide, 43 parts of tin oxide, and 25 parts of barium oxide.

[0021] The method for preparing the Tianqing Ru porcelain ceramic product according to claim 1 comprises the following steps: Step 1: Prepare glaze S1. Preparation of pigment According to the mass fractions, the copper oxide, tin oxide and barium oxide are mixed and crushed, and after crushing, the mixture is passed through a 60-mesh sieve to obtain a crushed material; S2. Calcination The crushed material obtained in S1 was calcined at a temperature of 1280°C for 40 min, and then cooled to obtain a calcined material; S3, Mixing According to the mass fractions, the potassium feldspar, Hubei feldspar, silica, stalactite, burned talc, Datong soil, barium carbonate, bone char and tin oxide are mixed and crushed, and hammered by using a Raymond mill for 2 hours to obtain a hammered material; S4, ball mill The calcined material obtained in S2 and the hammered material obtained in S3 are mixed and ball-milled. The ball-milling is performed in the following mass ratio: ball: water: material = 1: 1.2: 1. The rotation speed during the ball-milling is 500 r / min. The ball-milling time is 24-36 h. After ball-milling, a ball-milled material is obtained. S5. Prepare glaze The ball milled material was mixed with water to adjust the glaze water to a Baume degree of 48, thereby obtaining a sky-blue ceramic glaze water; Step 2: Glazing and Firing The azure-colored ceramic glaze obtained in step 1 is applied to the surface of the ceramic body. After firing, the glaze forms a glaze layer, thereby obtaining a azure-colored Ru porcelain ceramic product.

[0022] Preferably, the firing process is as follows: One-stage firing: heating up to 270°C at a rate of 0.8°C / min and maintaining constant temperature for 50 min; Second stage firing: heating up to 650℃ at a heating rate of 1.1℃ / min and keeping constant temperature for 90min; Three-stage firing: heating up to 930°C at a heating rate of 0.9°C / min and keeping the temperature constant for 120 min; Four-stage firing: heating up to 1350℃ at a heating rate of 1.2℃ / min and keeping constant temperature for 80min; Five-stage firing: cool down to 620℃ at a cooling rate of 12℃ / min, and then cool naturally. Example 3

[0023] The Tianqing Ru porcelain ceramic product includes a ceramic body and a glaze layer. The glaze layer is attached to the surface of the ceramic body and is formed by firing. The glaze layer includes the following components in parts by mass: 16.8 parts of potassium feldspar, 14.2 parts of Hubei feldspar, 38.41 parts of silica, 18.6 parts of stalactites, 4.2 parts of burned talc, 4.2 parts of Datong soil, 13.8 parts of barium carbonate, 2.1 parts of bone charcoal, 3.2 parts of tin oxide, and 2.0 parts of colorant.

[0024] The colorant includes the following components in parts by mass: 42 parts of copper oxide, 42 parts of tin oxide, and 23 parts of barium oxide.

[0025] The method for preparing the Tianqing Ru porcelain ceramic product according to claim 1 comprises the following steps: Step 1: Prepare glaze S1. Preparation of pigment According to the mass fractions, the copper oxide, tin oxide and barium oxide are mixed and crushed, and after crushing, the mixture is passed through a 60-mesh sieve to obtain a crushed material; S2. Calcination The crushed material obtained in S1 was calcined at a temperature of 1260°C for 35 min, and then cooled to obtain a calcined material; S3, Mixing According to the mass fractions, the potassium feldspar, Hubei feldspar, silica, stalactite, burned talc, Datong soil, barium carbonate, bone char and tin oxide are mixed and crushed, and hammered by using a Raymond mill for 2 hours to obtain a hammered material; S4, ball mill The calcined material obtained in S2 and the hammered material obtained in S3 are mixed and ball-milled. The ball-milling is performed in the following mass ratio: ball: water: material = 1: 1.2: 1. The speed of the ball-milling is 500 r / min. The ball-milling time is 30 h. After ball-milling, a ball-milled material is obtained. S5. Prepare glaze The ball milled material was mixed with water to adjust the glaze water to have a Baume degree of 46, thereby obtaining a sky-blue ceramic glaze water; Step 2: Glazing and Firing The azure-colored ceramic glaze obtained in step 1 is applied to the surface of the ceramic body. After firing, the glaze forms a glaze layer, thereby obtaining a azure-colored Ru porcelain ceramic product.

[0026] Preferably, the firing process is as follows: One-stage firing: heating up to 240°C at a rate of 0.7°C / min and maintaining the temperature for 40 minutes; Second stage firing: heating up to 600℃ at a heating rate of 1.0℃ / min and keeping the temperature constant for 80min; Three-stage firing: heating up to 900°C at a heating rate of 0.9°C / min and keeping the temperature constant for 100 minutes; Four-stage firing: heating up to 1340℃ at a heating rate of 1.1℃ / min and keeping the temperature constant for 70min; Five-stage firing: cool down to 600℃ at a cooling rate of 11℃ / min, and then cool naturally. Comparison Example

[0027] The Tianqing Ru porcelain ceramic product includes a ceramic body and a glaze layer. The glaze layer is attached to the surface of the ceramic body and is formed by firing. The glaze layer includes the following components in parts by mass: 16.8 parts of potassium feldspar, 14.2 parts of Hubei feldspar, 38.41 parts of silica, 18.6 parts of stalactites, 4.2 parts of burned talc, 4.2 parts of Datong soil, 13.8 parts of barium carbonate, 2.1 parts of bone charcoal, 3.2 parts of tin oxide, and 2.0 parts of colorant.

[0028] The colorant includes the following components in parts by mass: 42 parts of copper oxide, 42 parts of tin oxide, and 23 parts of barium oxide.

[0029] The method for preparing the Tianqing Ru porcelain ceramic product according to claim 1 comprises the following steps: Step 1: Prepare glaze S1. Preparation of pigment According to the mass fractions, the copper oxide, tin oxide and barium oxide are mixed and crushed, and after crushing, the mixture is passed through a 60-mesh sieve to obtain a crushed material; S2. Calcination The crushed material obtained in S1 was calcined at a temperature of 1260°C for 35 min, and then cooled to obtain a calcined material; S3, Mixing According to the mass fractions, the potassium feldspar, Hubei feldspar, silica, stalactite, talc, Datong soil, barium carbonate, bone charcoal and tin oxide are mixed, crushed and pounded to obtain a pounded material; S4, ball mill The calcined material obtained in S2 and the hammered material obtained in S3 are mixed and ball-milled. The ball-milling is performed in the following mass ratio: ball: water: material = 1: 1.2: 1. The speed of the ball-milling is 500 r / min. The ball-milling time is 30 h. After ball-milling, a ball-milled material is obtained. S5. Prepare glaze The ball milled material was mixed with water to adjust the glaze water to have a Baume degree of 46, thereby obtaining a sky-blue ceramic glaze water; Step 2: Glazing and Firing The azure-colored ceramic glaze obtained in step 1 is applied to the surface of the ceramic body, and after being fired at 1350° C. for 10 hours, the glaze forms a glaze layer, thereby obtaining a azure-colored Ru porcelain ceramic product.

[0030] The Tianqing Ru porcelain ceramic products prepared in Examples 1 to 3 of the present invention and the Tianqing Ru porcelain ceramic products prepared in the control example were tested, wherein: Use GB / T 34252-2017 Test method for glaze crack resistance of daily-use ceramics to test crack resistance; Use GB / T 3532-2022 Daily-use porcelain to test thermal shock resistance, water absorption and glossiness; The test results are shown in Table 1 below: Table 1: Test results It can be seen from Table 1 that the Tianqing Ru porcelain ceramic products prepared in Examples 1 to 3 have excellent glaze strength, high gloss and good glaze visual effect.

[0031] The above is a preferred embodiment of the present invention, and it should be noted that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications are also considered as the protection scope of the present invention.

Claims

1. Tianqing Ru porcelain ceramic products, characterized in that: The invention comprises a ceramic body and a glaze layer, wherein the glaze layer is attached to the surface of the ceramic body and is formed by firing, and the glaze layer comprises the following components by weight: 14.4-19.1 parts of potassium feldspar, 12.2-15.3 parts of Hubei feldspar, 32.2-43.1 parts of silica, 16.3-19.5 parts of stalactites, 3.6-4.8 parts of burned talc, 3.2-5.6 parts of Datong soil, 11.6-14.8 parts of barium carbonate, 1.9-2.3 parts of bone charcoal, 2.8-3.4 parts of tin oxide and 1.9-2.1 parts of colorant.

2. The Tianqing Ru porcelain ceramic product according to claim 1, characterized in that: The colorant includes the following components in parts by mass: 40-43 parts of copper oxide, 40-43 parts of tin oxide, and 20-25 parts of barium oxide.

3. The method for preparing the Tianqing Ru porcelain ceramic product according to claim 1, characterized in that: The steps include: Step 1: Prepare glaze S1. Preparation of pigment Mixing and crushing the copper oxide, tin oxide and barium oxide according to the mass fractions to obtain crushed material; S2. Calcination The crushed material obtained in S1 is calcined, and after cooling, a calcined material is obtained; S3, Mixing According to the mass fractions, the potassium feldspar, Hubei feldspar, silica, stalactite, talc, Datong soil, barium carbonate, bone charcoal and tin oxide are mixed, crushed and pounded to obtain a pounded material; S4, ball mill The calcined material obtained in S2 and the hammered material obtained in S3 are mixed and ball-milled to obtain a ball-milled material; S5. Prepare glaze The obtained ball mill material is mixed with water to obtain azure ceramic glaze water; Step 2: Glazing and Firing The azure-colored ceramic glaze obtained in step 1 is applied to the surface of the ceramic body. After firing, the glaze forms a glaze layer, thereby obtaining a azure-colored Ru porcelain ceramic product.

4. The method for preparing the Tianqing Ru porcelain ceramic product according to claim 3, characterized in that: The crushing in S1 is passed through a 50-60 mesh sieve, and the calcination temperature in S2 is 1250-1280° C. for 30-40 minutes.

5. The method for preparing the Tianqing Ru porcelain ceramic product according to claim 3, characterized in that: The pounding in S3 is performed using a Raymond mill for 1.5 to 2 hours, and the ball milling in S4 is performed using the following mass ratio: ball: water: material = 1:1.1 to 1.2:1, the rotation speed during the ball milling is 450 to 500 r / min, and the ball milling time is 24 to 36 hours.

6. The method for preparing the Tianqing Ru porcelain ceramic product according to claim 3, characterized in that: The Baume degree of S5 glaze is 45~48.

7. The method for preparing the Tianqing Ru porcelain ceramic product according to claim 3, characterized in that: The firing process described in step 2 is specifically as follows: One-stage firing: heating up to 200-270°C at a rate of 0.6-0.8°C / min, and keeping the temperature constant for 30-50 minutes; Second stage firing: heating up to 500~650℃ at a heating rate of 1.0~1.1℃ / min, and keeping the temperature constant for 60~90min; Three-stage firing: heating up to 850~930℃ at a heating rate of 0.8~0.9℃ / min, and keeping the temperature constant for 60~120min; Four-stage firing: heating up to 1320~1350℃ at a heating rate of 1.0~1.2℃ / min, and keeping the temperature constant for 60~80min; Five-stage firing: cool down to 560~620℃ at a cooling rate of 10~12℃ / min, and then cool naturally to obtain Tianqing Ru porcelain ceramic products.

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