CN111875347A - Colored porcelain made of waste porcelain and preparation method thereof - Google Patents
Colored porcelain made of waste porcelain and preparation method thereof Download PDFInfo
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- CN111875347A CN111875347A CN202010832617.5A CN202010832617A CN111875347A CN 111875347 A CN111875347 A CN 111875347A CN 202010832617 A CN202010832617 A CN 202010832617A CN 111875347 A CN111875347 A CN 111875347A
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Abstract
The invention relates to the technical field of ceramic production, in particular to a colored porcelain prepared from waste porcelain, which comprises the following components in parts by weight: 8-15 parts of potash feldspar, 8-12 parts of albite, 28-33 parts of kaolin, 15-18 parts of quartz, 3-4 parts of Guizhou soil, 2.5-3 parts of bentonite, 2-2.1 parts of barium oxide, 1.5-1.8 parts of titanium oxide, 3-3.5 parts of black mud, 1.5-1.8 parts of plasticizer and 25-35 parts of waste porcelain mud. The high-grade colored porcelain prepared from the waste porcelain has high waste porcelain content, and the prepared porcelain is mild, fresh and elegant in texture.
Description
Technical Field
The invention relates to the technical field of ceramic production, in particular to a colored porcelain made of waste porcelain and a preparation method thereof.
Background
With the rapid development of the ceramic industry, mineral resources are greatly developed, and the problems of resource shortage, raw material price rise, environmental pollution and the like are serious due to the increasing of ceramic wastes.
The existing waste ceramics are recycled, and most of the waste ceramics produced in the recycling production process are used for producing sanitary ceramics or low-grade ceramic products such as floor tiles, ceramic tiles and the like with low requirements on the texture and the appearance of the ceramics.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide the high-grade color porcelain prepared from the waste porcelain, the waste porcelain content in the formula is high, and the prepared porcelain is mild, fresh and elegant in texture.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a colored porcelain prepared from waste porcelain comprises the following components in parts by weight: 8-15 parts of potash feldspar, 8-12 parts of albite, 28-33 parts of kaolin, 15-18 parts of quartz, 3-4 parts of Guizhou soil, 2.5-3 parts of bentonite, 2-2.1 parts of barium oxide, 1.5-1.8 parts of titanium oxide, 3-3.5 parts of black mud, 1.5-1.8 parts of plasticizer and 25-35 parts of waste porcelain mud.
A preparation method of colored porcelain made of waste porcelain comprises the following steps:
1) weighing and mixing the components according to a formula; sieving and removing iron; adding the mixture into a ball mill, adding water, and making the slurry flow into a slurry storage tank for later use after ball milling;
2) carrying out filter pressing on the slurry obtained in the previous step, then refining the slurry by a pug mill, and adding a proper amount of methylcellulose in the refining process;
3) after the mud refining process is finished, obtaining mud, adding silica sol into the mud, and then adding a pigment; ball milling and grinding;
4) manufacturing a blank body and drying; applying transparent glaze;
5) finally, the blank body with the glaze is sintered at a high temperature of more than 1320 ℃ for one time, and the colored porcelain product is obtained after natural cooling.
Preferably, the methyl cellulose in the step 2) is 0.8-1.2 parts by weight; the silica sol in the step 3) accounts for 1.1-1.5 parts by weight.
Preferably, the mud refining temperature in the step 2) is not more than 50 ℃; the ratio of the mud output to the material input of the pug mill per hour is 0.8:1, and the pressure in the pug mill is lower than 0.98-1 Pa.
Because the waste porcelain clay is clinker, the temperature of the waste porcelain clay and other ingredients in the pugmill for pugging is controlled to be not more than 50 ℃, namely, the time of each pugmill cycle is not more than 2 hours, so that the waste porcelain clay and other ingredients are mixed more uniformly. The ratio of the mud output to the material input of the pug mill per hour is 0.8:1, and the pressure in the pug mill cannot be higher than 0.98-1 Pa. The general viscosity of pug that adds waste porcelain is relatively poor, if the mud speed of going out is the same with the pug that does not add waste porcelain mud, then the vacuum that can produce the petuntse is not enough, and the bubble will appear in the processing into petuntse. Therefore, the mud discharging speed of the pug mill is controlled by frequency conversion, the ratio of mud discharging to material feeding per hour in the pug mill is 0.8:1, and the pressure in the pug mill cannot be higher than 0.98-1 Pa.
Preferably, the adding time of the methyl cellulose in the step 2) is half an hour before the completion of the pugging. 1% methylcellulose is added about half an hour before the completion of the pug to enhance the overall consistency and activity of the porcelain.
Preferably, the ratio of the fineness of the pug obtained after the pug refining process in the step 3) to the fineness of the added pigment is 230: 380. The ratio of the fineness of the pug to the fineness of the added pigment is controlled to be 230:380, the fineness of the pigment is more than 10 percent higher than that of the pug, and the pug is repeatedly subjected to ball milling and grinding for 4 times after the pigment is added every time, so that the pigment and the pug are fully mixed.
Before the pigment is added into the pug, the silica sol is added to promote the sufficient mixing of the pug and the pigment, and the adsorbability and the stability of the waste porcelain and other pugs are improved.
The invention adopts natural ceramic raw material resources as main materials in the formula, takes the feldspar hard ceramic formula of a feldspar-kaolin-quartz ternary system as a basis, matches Guizhou soil and bentonite, introduces a proper amount of black mud, barium oxide, titanium oxide and plasticizer to strengthen the ceramic blank strength, enhance the whiteness of the porcelain clay and increase the plasticity of the porcelain clay, adds the processed waste porcelain clay, and finally blends the colorant into the porcelain clay, wherein the added colorant can be mixed with different colors according to actual requirements, and has various selectivity. The blank body is dried and coated with transparent white glaze, and is fired at a high temperature of more than 1320 ℃ for one time.
Has the advantages that:
1. the invention recycles the waste porcelain produced in the production process, and prepares the waste porcelain into porcelain clay for cyclic utilization to prepare medium-high grade porcelain, thereby changing waste into valuable. The waste porcelain is used for manufacturing medium and high grade porcelain, and the problem that the waste porcelain is a color point which is remained in mud and lacks viscosity of clinker is solved. Therefore, the proper amount of methyl cellulose is added in the mud refining process to enhance the integral consistency and activity of the petuntse; after the mud refining process is finished, the silica sol is added before the pigment is added, so that the mutual adsorbability and stability of the waste porcelain mud and other mud materials are improved, the mud materials and the pigment are fully mixed, the manufacturing of the mud materials of the ceramic blank is finished, and the colored porcelain is developed. The successful research and development of the waste porcelain utilization technology not only greatly improves the utilization rate of the waste porcelain, reduces the resource loss and reduces the production cost; and the pollution of ceramic waste to the environment is greatly reduced, and the spirit of advocating clean production and recycling in the current society is met.
2. The waste porcelain in the formula is high in utilization ratio; the waste porcelain is subjected to processes of ball milling, mud refining and the like in the preparation process, the colors are added and fully mixed, the residual spot colors of the waste porcelain are completely blended into the colorful porcelain mud, and the high-grade ceramic product which is divided into various colors such as red, yellow, green, blue and the like is prepared, and the texture is mild, fresh and elegant.
Detailed Description
The present invention will be described in detail with reference to specific examples.
Example 1
A colored porcelain prepared from waste porcelain comprises the following components in parts by weight: 8 parts of potassium feldspar, 8 parts of albite, 28 parts of kaolin, 15 parts of quartz, 3 parts of Guizhou soil, 2.5 parts of bentonite, 2 parts of barium oxide, 1.5 parts of titanium oxide, 3 parts of black mud, 1.5 parts of plasticizer and 25 parts of waste porcelain mud.
A preparation method of colored porcelain made of waste porcelain comprises the following steps:
1) weighing and mixing the components according to the formula; sieving and removing iron; adding the mixture into a ball mill, adding water, and making the slurry flow into a slurry storage tank for later use after ball milling;
2) filter-pressing the slurry obtained in the previous step, then refining the slurry by a pug mill, and adding 0.8 part by weight of methylcellulose half an hour before the refining of the slurry is finished;
3) after the mud refining process is finished, adding 1.1 parts by weight of silica sol, and then adding 0.5 parts by weight of praseodymium yellow; ball milling and grinding;
4) manufacturing a blank body and drying; applying transparent glaze;
5) finally, the blank body with the glaze is sintered at a high temperature of more than 1320 ℃ for one time, and the yellow porcelain product is obtained after natural cooling.
Preferably, the mud refining temperature in the step 2) is not more than 50 ℃; the ratio of the mud output to the material input of the pug mill per hour is 0.8:1, and the pressure in the pug mill is lower than 0.98-1 Pa.
Preferably, the fineness ratio of the mud material and the added pigment in the step 3) is 230: 380.
Example 2
A colored porcelain prepared from waste porcelain comprises the following components in parts by weight: 12 parts of potassium feldspar, 10 parts of albite, 30 parts of kaolin, 16 parts of quartz, 3.5 parts of Guizhou soil, 2.7 parts of bentonite, 2 parts of barium oxide, 1.7 parts of titanium oxide, 3.2 parts of black mud, 1.6 parts of plasticizer and 30 parts of waste porcelain mud.
A preparation method of colored porcelain made of waste porcelain comprises the following steps:
1) weighing and mixing the components according to the formula; sieving and removing iron; adding the mixture into a ball mill, adding water, and making the slurry flow into a slurry storage tank for later use after ball milling;
2) carrying out filter pressing on the slurry obtained in the previous step, then refining the slurry by using a pug mill, and adding 1 part by weight of methylcellulose half an hour before the refining of the slurry is finished;
3) after the mud refining process is finished, 1.3 parts by weight of silica sol is added, and then 0.5 part by weight of manganese-aluminum red is added; ball milling and grinding;
4) manufacturing a blank body and drying; applying transparent glaze;
5) finally, the green body with the glaze is sintered at 1350 ℃ for one time and naturally cooled to obtain the red porcelain product.
Preferably, the mud refining temperature in the step 2) is not more than 50 ℃; the ratio of the mud output to the material input of the pug mill per hour is 0.8:1, and the pressure in the pug mill is lower than 0.98-1 Pa.
Preferably, the fineness ratio of the mud material and the added pigment in the step 3) is 230: 380.
Example 3
A colored porcelain prepared from waste porcelain comprises the following components in parts by weight: 15 parts of potassium feldspar, 12 parts of albite, 33 parts of kaolin, 18 parts of quartz, 4 parts of Guizhou soil, 3 parts of bentonite, 2.1 parts of barium oxide, 1.8 parts of titanium oxide, 3.5 parts of black mud, 1.8 parts of plasticizer and 35 parts of waste porcelain mud.
A preparation method of colored porcelain made of waste porcelain comprises the following steps:
1) weighing and mixing the components according to the formula; sieving and removing iron; adding the mixture into a ball mill, adding water, and making the slurry flow into a slurry storage tank for later use after ball milling;
2) carrying out filter pressing on the slurry obtained in the previous step, then refining the slurry by using a pug mill, and adding 1 part by weight of methylcellulose half an hour before the refining of the slurry is finished;
3) after the mud refining process is finished, adding 1.3 parts by weight of silica sol, and then adding 0.5 part by weight of zirconium vanadium blue; ball milling and grinding;
4) manufacturing a blank body and drying; applying transparent glaze;
5) finally, the body with the glaze is sintered at 1380 ℃ for one time and naturally cooled to obtain the blue porcelain product.
Preferably, the mud refining temperature in the step 2) is not more than 50 ℃; the ratio of the mud output to the material input of the pug mill per hour is 0.8:1, and the pressure in the pug mill is lower than 0.98-1 Pa.
Preferably, the fineness ratio of the mud material and the added pigment in the step 3) is 230: 380.
The invention uses the waste porcelain as the raw material of the ceramic body, however, if the white porcelain is needed, the waste porcelain as the raw material can not be used because color points (the original color cannot be completely removed because the waste porcelain is ball-milled) exist. The invention not only needs to make high-grade porcelain, but also needs to utilize waste porcelain, and the invention adjusts to the natural color by adding various colors such as praseodymium yellow, zirconium vanadium blue, manganese aluminum red and the like in porcelain clay, and then coats transparent white glaze to make high-grade porcelain products with good texture and appearance.
Finally, it should be noted that: it should be understood that the above examples are only for clearly illustrating the present invention and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the scope of the invention.
Claims (6)
1. The color porcelain prepared from the waste porcelain is characterized by comprising the following components in parts by weight: 8-15 parts of potash feldspar, 8-12 parts of albite, 28-33 parts of kaolin, 15-18 parts of quartz, 3-4 parts of Guizhou soil, 2.5-3 parts of bentonite, 2-2.1 parts of barium oxide, 1.5-1.8 parts of titanium oxide, 3-3.5 parts of black mud, 1.5-1.8 parts of plasticizer and 25-35 parts of waste porcelain mud.
2. The method of manufacturing colored porcelain made of waste porcelain according to claim 1, comprising the steps of:
1) weighing and mixing the components according to a formula; sieving and removing iron; adding the mixture into a ball mill, adding water, and making the slurry flow into a slurry storage tank for later use after ball milling;
2) carrying out filter pressing on the slurry obtained in the previous step, then refining the slurry by a pug mill, and adding a proper amount of methylcellulose in the refining process;
3) after the mud refining process is finished, adding silica sol and then adding a pigment; ball milling and grinding;
4) manufacturing a blank body and drying; applying transparent glaze;
5) finally, the blank body with the glaze is sintered at a high temperature of more than 1320 ℃ for one time, and the colored porcelain product is obtained after natural cooling.
3. The method of manufacturing colored porcelain made of waste porcelain according to claim 2, wherein the methylcellulose of the step 2) is 0.8 to 1.2 parts by weight; the silica sol in the step 3) accounts for 1.1-1.5 parts by weight.
4. The method for manufacturing colored porcelain made of waste porcelain according to claim 2, wherein the mud refining temperature in the step 2) is not more than 50 ℃; the ratio of the mud output to the material input of the pug mill per hour is 0.8:1, and the pressure in the pug mill is lower than 0.98-1 Pa.
5. The method of manufacturing colored porcelain made of waste porcelain according to claim 2, wherein the methylcellulose in the step 2) is added for half an hour before the completion of the pugging.
6. The method of manufacturing colored porcelain using waste porcelain according to claim 2, wherein the ratio of the fineness of the slurry to the added pigment in the step 3) is 230: 380.
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| CN113831114A (en) * | 2021-10-27 | 2021-12-24 | 德化县后井窑瓷业有限责任公司 | High-strength and drop-resistant ceramic product and preparation method thereof |
| CN114349473A (en) * | 2022-01-20 | 2022-04-15 | 邱林铿 | Preparation method of environment-friendly functional ceramic |
| CN114956565A (en) * | 2022-07-08 | 2022-08-30 | 福建省德化万达陶瓷有限公司 | Transparent glaze and preparation method of domestic ceramic product |
| CN115368113A (en) * | 2022-09-29 | 2022-11-22 | 湖南华联瓷业股份有限公司 | Method for recycling waste porcelain |
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