CN111499341A - Environment-friendly ceramic and preparation and degradation methods thereof - Google Patents

Environment-friendly ceramic and preparation and degradation methods thereof Download PDF

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Publication number
CN111499341A
CN111499341A CN202010405426.0A CN202010405426A CN111499341A CN 111499341 A CN111499341 A CN 111499341A CN 202010405426 A CN202010405426 A CN 202010405426A CN 111499341 A CN111499341 A CN 111499341A
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parts
ceramic
environment
friendly
raw material
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周冬菊
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Quanzhou Hongsheng Group Co ltd Xunzhong Shuangxi Ceramic Factory Dehua County
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Quanzhou Hongsheng Group Co ltd Xunzhong Shuangxi Ceramic Factory Dehua County
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    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
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Abstract

The invention relates to the technical field of ceramic manufacturing, in particular to environment-friendly ceramic and preparation and degradation methods thereof. The environment-friendly ceramic comprises a ceramic body and a glaze layer covering the surface of the body. According to the environment-friendly ceramic, the selected blank raw materials and glaze raw materials are environment-friendly materials, so that the firing temperature is reduced, the energy loss in the manufacturing process is reduced, and the ceramic is energy-saving and environment-friendly; when the environment-friendly ceramic is degraded, people only need to crush the ceramic before and then directly throw the ceramic into the classification of garbage incineration for incineration, and the residual materials can be naturally decomposed after landfill, so that the environment is not affected, and the environment-friendly degradation can be realized.

Description

Environment-friendly ceramic and preparation and degradation methods thereof
Technical Field
The invention relates to the technical field of ceramic manufacturing, in particular to environment-friendly ceramic and preparation and degradation methods thereof.
Background
In the rapid development of industry, the pace of life of people is continuously accelerated, but the development of industry brings many bad places to the life of human beings, especially many defects brought to human beings by various products produced and in the process of industrial production, most notably the pollution to the environment is more serious, and the pollution to waste gas, waste residue, waste water and the like in the production process is more obvious.
The germanization is one of the important production places for ceramic export in China, wherein 70 percent of exported ceramic products are Western artware with over 170 varieties, are sold all over the world, become indispensable elements in fashion trends and occupy important positions in the global festival market. The technical ceramic products are usually used at holidays such as Christmas, Halloween and the like, belong to disposable articles, are large in consumption every year, are products which cannot be recycled or have low recycling value, and are low in efficiency, so that the environment where people live is polluted to cause serious pollution, and the non-renewable resources are greatly wasted. Therefore, how to improve the environmental protection of the disposable ceramic product, indirectly reduce the consumption of natural resources and the damage to the environment from the production source, and directly reduce the energy consumption of garbage and degradable garbage at the tail end is a problem that ceramic production enterprises need to solve urgently.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides a preparation method of environment-friendly ceramic and a transparent glaze.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: the environment-friendly ceramic is characterized by comprising a ceramic body and a glaze layer covering the surface of the body;
the ceramic body comprises the following raw material components: 20-25 parts of dolomite, 15-20 parts of clay, 10-15 parts of low-temperature feldspar, 10-15 parts of low-temperature sand, 10-15 parts of high-alumina bauxite, 5-10 parts of fluorite powder, 5-10 parts of calcined talc, 5-10 parts of silicon dioxide, 1-5 parts of plasticizer and 1-5 parts of ammonium tripolyphosphate.
Further, the environment-friendly ceramic comprises the following raw material components: 22 parts of dolomite, 16 parts of clay, 11 parts of low-temperature feldspar, 12 parts of low-temperature sand, 13 parts of high-alumina bauxite, 7 parts of fluorite powder, 8 parts of calcined talc, 6 parts of silicon dioxide, 3 parts of plasticizer and 2 parts of ammonium tripolyphosphate.
Further, the glaze layer comprises the following raw material components: 20-30 parts of feldspar, 15-20 parts of quartz, 10-15 parts of limestone, 5-10 parts of clay, 10-15 parts of a color former, 10-15 parts of starch, 5-10 parts of glycerol, 1-5 parts of methanol, 1-5 parts of potassium carbonate and 1-5 parts of sodium tripolyphosphate.
Further, the glaze layer comprises the following raw material components: 23 parts of feldspar, 16 parts of quartz, 12 parts of limestone, 7 parts of clay, 13 parts of a color former, 14 parts of starch, 6 parts of glycerol, 3 parts of methanol, 2 parts of potassium carbonate and 4 parts of sodium tripolyphosphate.
Further, the color former is one or more of cobalt oxide, ferric chloride and manganese chloride.
The preparation method of the environment-friendly ceramic comprises the following specific steps:
step 1, preparing a ceramic body according to raw material components of an environment-friendly ceramic body;
step 2, preparing glaze according to the raw material components of the glaze;
step 3, glazing the surface of the ceramic blank, wherein the thickness of the glaze is 2-3 mm;
step 4, placing the prepared porcelain plastic blank into a kiln for firing, wherein the kiln reaches the firing temperature after 4-6 hours, the firing temperature is 725-735 ℃, and taking out of the kiln for cooling;
and 5, putting the ceramic product taken out of the kiln into a polishing machine, and polishing to obtain the environment-friendly ceramic.
Further, the step of preparing the ceramic body in the step 1 is as follows: mixing the raw material components of the ceramic body according to the proportion, mixing and ball-milling for 20-30 hours to obtain ceramic body slurry, wherein the proportion of the materials, water and balls during mixing and ball-milling is 2: 1-2: 1.
Further, mixing feldspar, quartz, limestone and clay according to the proportion of the raw material components, mixing and ball-milling for 6-8 hours, adding a color former, starch, glycerol, methanol, potassium carbonate and sodium tripolyphosphate, and stirring for 1-2 hours to obtain the glaze.
Further, before glazing in the step 3, the prepared ceramic blank is heated to 125 ℃ for 10 minutes, the water content of the ceramic blank is controlled to be below 1-2%, and glazing is carried out after the temperature of the ceramic blank is reduced to 50-60 ℃.
A degradation method of environment-friendly ceramics comprises the following steps:
crushing environment-friendly ceramic;
step two, burning the environment-friendly ceramic fragments for 5-10 minutes at the temperature of 750-800 ℃;
and step three, burying the burned environment-friendly ceramic fragments, and completing the respective decomposition after 20-30 days.
According to the environment-friendly ceramic, the ceramic raw material which is easy to form pores is used in the raw material of the green body, a plurality of pores are formed on the surface after drying, and communicated three-dimensional networks are formed in the pores from the surface to the inside to form criss-cross capillary vessels of the green body; various additives are introduced into the glaze, so that the glaze extends into the green body from the surface under the action of a capillary water pipe and the surface adsorption action of the green body, then is sintered at high temperature, permeates into the green body to decorate the surface, and is polished after being sintered to form a smooth effect similar to a glaze surface; when the environment-friendly ceramic is degraded, people only need to directly throw in the classification of burning garbage after the ceramic is broken, when burning, the bonding material can volatilize through high temperature in the burning process, the glaze material layer on the surface of the ceramic also directly volatilizes after burning for permeating into the body, the residual materials can be naturally decomposed after being buried, the environment can not be affected, and the environment-friendly degradation can be realized.
Detailed Description
The invention is further described below by means of specific embodiments.
The environment-friendly ceramic is characterized by comprising a ceramic body and a glaze layer covering the surface of the body;
the ceramic body comprises the following raw material components: 20-25 parts of dolomite, 15-20 parts of clay, 10-15 parts of low-temperature feldspar, 10-15 parts of low-temperature sand, 10-15 parts of high-alumina bauxite, 5-10 parts of fluorite powder, 5-10 parts of calcined talc, 5-10 parts of silicon dioxide, 1-5 parts of plasticizer and 1-5 parts of ammonium tripolyphosphate.
The glaze layer comprises the following raw material components: 20-30 parts of feldspar, 15-20 parts of quartz, 10-15 parts of limestone, 5-10 parts of clay, 10-15 parts of a color former, 10-15 parts of starch, 5-10 parts of glycerol, 1-5 parts of methanol, 1-5 parts of potassium carbonate and 1-5 parts of sodium tripolyphosphate.
The preparation method of the environment-friendly ceramic comprises the following specific steps:
step 1, preparing a ceramic body according to raw material components of an environment-friendly ceramic body, mixing the raw material components of the ceramic body according to a ratio, and performing mixed ball milling for 20-30 hours to obtain ceramic body slurry, wherein the ratio of the slurry to water to balls during mixed ball milling is 2: 1-2: 1;
step 2, preparing a glaze material according to the raw material components of the glaze, mixing feldspar, quartz, limestone and clay according to the proportion of the raw material components, mixing and ball-milling for 6-8 hours, adding a color former, starch, glycerol, methanol, potassium carbonate and sodium tripolyphosphate, and stirring for 1-2 hours to obtain the glaze material;
step 3, glazing the surface of the ceramic blank, wherein the thickness of the glaze is 2-3mm, heating the prepared ceramic blank to 125 ℃ for 10 minutes before glazing, controlling the water content of the plastic blank to be below 1-2%, and glazing after the temperature of the ceramic blank is reduced to 50-60 ℃;
step 4, placing the prepared porcelain plastic blank into a kiln for firing, wherein the kiln reaches the firing temperature after 4-6 hours, the firing temperature is 725-735 ℃, and taking out of the kiln for cooling;
and 5, putting the ceramic product taken out of the kiln into a polishing machine, and polishing to obtain the environment-friendly ceramic.
The specific embodiment is as follows:
the environment-friendly ceramic is characterized by comprising a ceramic body and a glaze layer covering the surface of the body;
wherein the raw material components of the ceramic are as follows: 22 parts of dolomite, 16 parts of clay, 11 parts of low-temperature feldspar, 12 parts of low-temperature sand, 13 parts of high-alumina bauxite, 7 parts of fluorite powder, 8 parts of calcined talc, 6 parts of silicon dioxide, 3 parts of plasticizer and 2 parts of ammonium tripolyphosphate.
Wherein, the glaze layer comprises the following raw material components: 23 parts of feldspar, 16 parts of quartz, 12 parts of limestone, 7 parts of clay, 13 parts of a color former, 14 parts of starch, 6 parts of glycerol, 3 parts of methanol, 2 parts of potassium carbonate and 4 parts of sodium tripolyphosphate, wherein the color of the color former is bluish after being fired when cobalt oxide is selected; the color of the color former is reddish brown after being fired when ferric chloride is selected, the color of the color former is yellow after being fired when manganese chloride is selected, the effect of reducing cobalt oxide, ferric chloride and manganese chloride is three primary colors, and the three color formers can be fired into various colors by blending.
The preparation method of the environment-friendly ceramic comprises the following specific steps:
step 1, preparing a ceramic body according to raw material components of an environment-friendly ceramic body, mixing the raw material components of the ceramic body according to a ratio, and performing mixed ball milling for 28 hours to obtain ceramic body slurry, wherein the ratio of the materials to water to balls is 2: 1 during mixed ball milling;
step 2, preparing a glaze material according to the raw material components of the glaze, mixing feldspar, quartz, limestone and clay according to the proportion of the raw material components, mixing and ball-milling for 7 hours, adding a color former, starch, glycerol, methanol, potassium carbonate and sodium tripolyphosphate, and stirring for 1.5 hours to obtain the glaze material;
step 3, glazing the surface of the ceramic blank, wherein the thickness of the glaze is 3mm, heating the prepared ceramic blank to 110 ℃ for 10 minutes before glazing, controlling the water content of the plastic blank to be below 1%, and glazing after the temperature of the ceramic blank is reduced to 58 ℃;
step 4, placing the prepared porcelain plastic blank into a kiln for firing, wherein the kiln reaches the firing temperature of 728 ℃ after 5 hours, and taking out of the kiln for cooling;
and 5, putting the ceramic product taken out of the kiln into a polishing machine, and polishing to obtain the environment-friendly ceramic.
According to the environment-friendly ceramic, the ceramic raw material which is easy to form pores is used in the raw material of the green body, a plurality of pores are formed on the surface after drying, and communicated three-dimensional networks are formed in the pores from the surface to the inside to form criss-cross capillary vessels of the green body; the glaze material is introduced with various additives, so that the glaze material extends into the blank body from the surface under the action of a capillary water pipe and the surface adsorption action of the blank body, then is sintered at high temperature, permeates into the blank body to decorate the surface, and is polished to form the smooth and clean effect similar to a glaze surface after being sintered.
A degradation method of environment-friendly ceramics comprises the following steps:
crushing environment-friendly ceramic;
step two, burning the environment-friendly ceramic fragments for 5-10 minutes at the temperature of 750-800 ℃;
and step three, burying the burned environment-friendly ceramic fragments, and completing the respective decomposition after 20-30 days.
The existing garbage incineration temperature is above 850 ℃, the environment-friendly ceramic is decomposed at a temperature below 800 ℃, when the environment-friendly ceramic is degraded, the ceramic is crushed before people, and then the crushed ceramic is directly thrown into the classification of garbage incineration, when the environment-friendly ceramic is incinerated, binding substances such as burning talc, silicon dioxide, plasticizer, ammonium tripolyphosphate and the like can volatilize at high temperature in the combustion process, a glaze layer on the surface of the ceramic is infiltrated into a green body and also directly volatilizes after combustion, and the residual materials can be naturally decomposed after being buried, so that the environment can not be influenced, and the environment-friendly degradation can be realized.
The above description is only an embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by using the design concept should fall within the scope of infringing the present invention.

Claims (10)

1. The environment-friendly ceramic is characterized by comprising a ceramic body and a glaze layer covering the surface of the body;
the ceramic body comprises the following raw material components: 20-25 parts of dolomite, 15-20 parts of clay, 10-15 parts of low-temperature feldspar, 10-15 parts of low-temperature sand, 10-15 parts of high-alumina bauxite, 5-10 parts of fluorite powder, 5-10 parts of calcined talc, 5-10 parts of silicon dioxide, 1-5 parts of plasticizer and 1-5 parts of ammonium tripolyphosphate.
2. The environment-friendly ceramic according to claim 1, wherein the raw material composition of the environment-friendly ceramic is as follows: 22 parts of dolomite, 16 parts of clay, 11 parts of low-temperature feldspar, 12 parts of low-temperature sand, 13 parts of high-alumina bauxite, 7 parts of fluorite powder, 8 parts of calcined talc, 6 parts of silicon dioxide, 3 parts of plasticizer and 2 parts of ammonium tripolyphosphate.
3. The environment-friendly ceramic according to claim 1, wherein the glaze layer comprises the following raw material components: 20-30 parts of feldspar, 15-20 parts of quartz, 10-15 parts of limestone, 5-10 parts of clay, 10-15 parts of a color former, 10-15 parts of starch, 5-10 parts of glycerol, 1-5 parts of methanol, 1-5 parts of potassium carbonate and 1-5 parts of sodium tripolyphosphate.
4. The environment-friendly ceramic according to claim 3, wherein the glaze layer comprises the following raw material components: 23 parts of feldspar, 16 parts of quartz, 12 parts of limestone, 7 parts of clay, 13 parts of a color former, 14 parts of starch, 6 parts of glycerol, 3 parts of methanol, 2 parts of potassium carbonate and 4 parts of sodium tripolyphosphate.
5. The environmentally friendly ceramic of claim 4, wherein: the color former is one or more of cobalt oxide, ferric chloride and manganese chloride.
6. The preparation method of the environment-friendly ceramic comprises the following specific steps of:
step 1, preparing a ceramic body according to raw material components of an environment-friendly ceramic body;
step 2, preparing glaze according to the raw material components of the glaze;
step 3, glazing the surface of the ceramic blank, wherein the thickness of the glaze is 2-3 mm;
step 4, placing the prepared porcelain plastic blank into a kiln for firing, wherein the kiln reaches the firing temperature after 4-6 hours, the firing temperature is 725-735 ℃, and taking out of the kiln for cooling;
and 5, putting the ceramic product taken out of the kiln into a polishing machine, and polishing to obtain the environment-friendly ceramic.
7. The method for preparing an environmentally friendly ceramic according to claim 6, wherein the step of preparing the ceramic body in step 1 is as follows: mixing the raw material components of the ceramic body according to the proportion, mixing and ball-milling for 20-30 hours to obtain ceramic body slurry, wherein the proportion of the materials, water and balls during mixing and ball-milling is 2: 1-2: 1.
8. The method for preparing an environmentally friendly ceramic according to claim 4, wherein: mixing feldspar, quartz, limestone and clay according to the proportion of the raw material components, mixing and ball-milling for 6-8 hours, adding a chromogenic reagent, starch, glycerol, methanol, potassium carbonate and sodium tripolyphosphate, and stirring for 1-2 hours to obtain the glaze.
9. The method for preparing an environmentally friendly ceramic according to claim 6, wherein: before glazing, the prepared ceramic blank is heated to 125 ℃ for 10 minutes, the water content of the ceramic blank is controlled to be below 1-2%, and glazing is carried out when the temperature of the ceramic blank is reduced to 50-60 ℃.
10. A method for degrading environment-friendly ceramics is characterized by comprising the following steps: the method comprises the following steps:
crushing environment-friendly ceramic;
step two, burning the environment-friendly ceramic fragments for 5-10 minutes at the temperature of 750-800 ℃;
and step three, burying the burned environment-friendly ceramic fragments, and completing the respective decomposition after 20-30 days.
CN202010405426.0A 2020-05-14 2020-05-14 Environment-friendly ceramic and preparation and degradation methods thereof Withdrawn CN111499341A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113045287A (en) * 2021-03-09 2021-06-29 江西金唯冠建材有限公司 Preparation method of non-cracking environment-friendly medium plate ceramic tile

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113045287A (en) * 2021-03-09 2021-06-29 江西金唯冠建材有限公司 Preparation method of non-cracking environment-friendly medium plate ceramic tile

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