CN113087493A - Whole-body antique porcelain tile with imitated twisted tire natural ornamentation and preparation method thereof - Google Patents

Whole-body antique porcelain tile with imitated twisted tire natural ornamentation and preparation method thereof Download PDF

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CN113087493A
CN113087493A CN202110362471.7A CN202110362471A CN113087493A CN 113087493 A CN113087493 A CN 113087493A CN 202110362471 A CN202110362471 A CN 202110362471A CN 113087493 A CN113087493 A CN 113087493A
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blank
imitated
porcelain tile
slag
preparing
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王芬
邱柏欣
罗宏杰
朱建锋
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Shaanxi University of Science and Technology
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Shaanxi University of Science and Technology
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    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00—Clay-wares
    • C04B33/02—Preparing or treating the raw materials individually or as batches
    • C04B33/13—Compounding ingredients
    • C04B33/132—Waste materials; Refuse; Residues
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00—Clay-wares
    • C04B33/02—Preparing or treating the raw materials individually or as batches
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    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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    • C04B33/00—Clay-wares
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3418—Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
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    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
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  • Processing Of Solid Wastes (AREA)

Abstract

The invention discloses a whole-body antique porcelain tile with imitated hank tire natural ornamentation and a preparation method thereof, wherein a first blank and a second blank which take different graded tailing slags as main raw materials are pressed by uneven mixed cloth, and the first blank comprises 40-60% of strong magnetic slag, 0-20% of mud slag, 10-25% of kaolin and 15-25% of quartz in percentage by weight; the second blank comprises: 90-100% of weak magnetic slag, 0-10% of kaolin, 0-5% of talcum and 0-5% of calcite; the whole body of the antique porcelain brick is prepared by burdening, wet ball milling, sieving and granulating to obtain different blanks, and then distributing, semi-dry pressing and forming, drying and sintering. According to the invention, the high-doping amount of the tailings of the high-yield part in the impurity removal process of the inferior minerals are introduced when the whole antique porcelain tile is prepared, so that the production cost of the antique porcelain tile is greatly reduced while the wastes are recycled, the economic benefit is improved, and the application prospect is wide.

Description

Whole-body antique porcelain tile with imitated twisted tire natural ornamentation and preparation method thereof
Technical Field
The invention belongs to the technical field of building ceramics, and particularly relates to a full-body antique porcelain tile with a natural pattern imitating a twisted tire and a preparation method thereof.
Background
The inferior mineral material mainly refers to natural mineral materials such as granite, laterite, porcelain stone tailings and the like with high impurity content (such as iron and titanium). Granite is a landmark rock of the continent and is the foundation constituting the crust on the continent. It has abundant reserves and wide distribution. Most of the granites are still lack of effective exploitation and most of them are only selectively cut and ground for use as a foundation stone of a road, a square brick or a step stone of a building. The natural mineral raw materials mainly comprise feldspar, quartz, kaolinite and the like in phase composition, and are very good ceramic raw material substitutes. But their high value use is limited due to the presence of impurities. In the ceramic industry, therefore, physical beneficiation methods are often used to purify these poor quality minerals. Due to the difference of the physical characteristics and the beneficiation processes of poor-quality minerals, tailings with different performances are generated by different grading treatments in the purification process. The tailings have high yield, high and complex impurity content and low utilization rate. The treatment mode is usually only open-air accumulation or land landfill, which not only brings serious hidden danger of ecological environment, but also causes resource waste. Therefore, the high-value-added resource utilization of the different graded purified tailings of the inferior mineral raw materials is of great significance.
The archaized ceramic tile is characterized in that the style, color, pattern and other forms of the ceramic tile are antiqued, so that the archaized original atmosphere is presented, the archaized original atmosphere is closer to the state of being 'truthful and close to nature', and the archaized ceramic tile is endowed with higher market value and vitality. The production of the prior art of the antique porcelain tiles mostly depends on high-quality ceramic raw materials, the ceramic raw materials are used as non-renewable resources, along with the continuous expansion of production and market scales, the high-quality ceramic raw material resources are increasingly tense, and the price of the raw materials rapidly rises, so that the production and development of the ceramic materials including the antique porcelain tiles are greatly restricted. The artificial effect is pursued in the building material market, such as stone imitation, wood imitation and the like, particularly stone imitation, various rocks, travertine, jade, precious marble and the like are imitated, and the flower color variety Lin and Lang are full of the eye and are deeply loved by the consumers. The porcelain with twisted body is a unique ceramic decoration process appearing in Tang dynasty in China, and is also called as 'twisting mud' and 'stirring body'. Is a natural pattern decoration formed by fusing various colored paints and has extremely high artistic value.
Disclosure of Invention
In order to solve the problems in the prior art, the invention aims to provide the full-body antique porcelain tile with the imitated hank tire natural texture and the preparation method thereof.
In order to achieve the purpose, the invention provides the following technical scheme: a preparation method of a whole-body antique porcelain tile with imitated twisted tire natural ornamentation comprises the following specific steps:
s1, carrying out magnetic separation and gravity separation on inferior minerals to obtain strong magnetic slag, weak magnetic slag and sludge, and washing, sieving and drying the strong magnetic slag, the weak magnetic slag and the sludge;
s2, preparing a first blank and a second blank, respectively performing ball milling on the prepared first blank and second blank to obtain a first blank slurry and a second blank slurry, respectively sieving, and then performing dehydration, drying, granulation and staling;
s3, the first blank and the second blank are subjected to non-uniform mixed cloth, semidry pressing and forming, drying, and heat preservation is carried out at 1140-1170 ℃ for 20-30 min to obtain the whole antique porcelain tile with the imitated twisted tire natural ornamentation.
Further, in step S1, the magnetic separation is performed by first performing magnetic separation with a weak magnetic field to obtain strong magnetic slag and then performing magnetic separation with a strong magnetic field to obtain weak magnetic slag.
Furthermore, the magnetic force of the weak magnetic field is 0.3T-0.4T, and the magnetic force of the strong magnetic field is 1.3T-1.4T.
Further, in step S2, the first blank component includes, by weight, 40% to 60% of strong magnetic slag, 0% to 20% of sludge, 10% to 25% of kaolin, and 15% to 25% of quartz.
Further, in step S2, the second blank includes, by weight, 90% to 100% of weak magnetic slag, 0% to 10% of kaolin, 0% to 5% of talc, and 0% to 5% of calcite.
Further, in step S2, 65% to 75% of water, 0.1% to 0.3% of sodium carboxymethyl cellulose, and 0.2% to 0.3% of sodium polyphosphate are added when the first blank slurry and the second blank slurry are prepared.
Further, in step S2, the fineness of the sieved mesh is 160 meshes, and the residue after sieving is more than 0 and less than 0.1%.
Further, in step S2, the moisture content of the granulated powder is 5% to 6%.
Further, in step S1, the poor-quality minerals are granite stone processing waste residues.
The invention also provides the whole body antique porcelain tile with the imitated twisted tire natural texture, which is prepared by the preparation method of the whole body antique porcelain tile with the imitated twisted tire natural texture, wherein the shrinkage rate of the prepared whole body antique porcelain tile is 11.6-13.5%, and the breaking strength is 35.8-53.6 MPa.
Compared with the prior art, the invention has at least the following beneficial effects:
according to the preparation method of the whole-body antique porcelain tile with the imitated twisted tire natural ornamentation, provided by the invention, inferior minerals are subjected to magnetic separation and gravity separation, and strong magnetic slag, weak magnetic slag and sludge slag are collected to serve as raw materials for preparing the first blank and the second blank of the whole-body antique porcelain tile, so that the comprehensive utilization of each grading tailings is realized, the utilization efficiency of tailings resources in the mineral separation and purification process is obviously improved, the production cost of architectural ceramics is reduced, meanwhile, the stacking and discharge of solid wastes are reduced, and the environmental protection and treatment are facilitated.
In addition, after the first blank and the second blank are non-uniformly mixed, the porcelain forming temperature and the sintering shrinkage of the first blank and the second blank are in the same level, and the whole body of the imitated twistable glaze natural pattern antique porcelain tile can be prepared at a lower sintering temperature (1140-1170 ℃), so that the national green energy-saving and environment-friendly concept is met.
Further, the Fe and the Ti in the blanks determine the color of the final full-body antique porcelain tile, the adding proportion of the raw materials in the first blank and the second blank and the mixing proportion of the two blanks are adjusted, the color of the full-body antique porcelain tile can be adjusted to be at the same level, and the natural pattern decoration effect of the imitated twisted-body porcelain pattern of the porcelain similar to the twisted-body porcelain is obtained.
Furthermore, the sodium tripolyphosphate and the sodium carboxymethyl cellulose are added when the first blank slurry and the second blank slurry are prepared, so that the slurry has good technological properties such as suspension property, fluidity, thixotropy and the like, and the ball milling efficiency of the slurry and the transportation and storage of the slurry are facilitated.
Detailed Description
The present invention will be further described with reference to the following embodiments.
Example 1:
the whole body antique porcelain tile with the imitated hank tire natural ornamentation is formed by pressing a blank which takes two (or not limited to two) poor-quality mineral different classification tailing slags as main raw materials through uneven mixed cloth, wherein the purification process sequence of the poor-quality mineral comprises the steps of carrying out high-intensity magnetic separation on waste residues after carrying out low-intensity magnetic separation, and then reselecting to obtain sludge;
the preparation method comprises the following specific steps:
1) collecting strong magnetic slag obtained by magnetically separating granite waste materials through a weak magnetic field (0.3T) and weak magnetic slag obtained by magnetically separating the granite waste materials through a strong magnetic field (1.4T), washing the strong magnetic slag and the weak magnetic slag, sieving the strong magnetic slag and the weak magnetic slag through a 60-mesh sieve, and drying the strong magnetic slag and the weak magnetic slag.
2) Preparing a first blank:
mixing 60% of strong magnetic slag, 25% of kaolin and 15% of quartz, adding 65% of water, 0.3% of sodium polyphosphate and 0.1% of sodium carboxymethylcellulose, mixing, carrying out wet ball milling, taking alumina ball stones as grinding media, controlling the mass ratio of the ball stones, the first blank and the water to be 2:1:0.75, sieving the slurry obtained after ball milling by a 160-mesh sieve, wherein the screen residue is less than 0.1%, sieving, and then carrying out granulation, wherein the moisture content of particles of the first blank in the granulation process is 5%, so that the first blank is obtained.
3) Preparing a second blank:
taking 100% of weak magnetic slag, adding 65% of water, 0.2% of sodium polyphosphate and 0.3% of sodium carboxymethylcellulose, mixing, performing wet ball milling, taking alumina ball stones as grinding media, controlling the mass ratio of the ball stones, the second blank and the water to be 2:1:0.75, sieving the slurry obtained after ball milling by a 160-mesh sieve, wherein the sieved residue is less than 0.1%, and granulating after sieving, wherein the moisture content of the particles of the second blank in the granulating process is 5%, so that the second blank is obtained.
4) Preparing a whole-body antique porcelain tile with imitated twisted tire natural ornamentation:
the mass ratio of the first blank to the second blank is determined according to the burned effects of the two blanks, namely, the material distribution can be carried out randomly, and the mass ratio of the first blank to the second blank can also be considered according to the assumed artistic effect;
in the embodiment, the first blank and the second blank are randomly and non-uniformly mixed according to the mass ratio of 1:1, and then are subjected to semi-dry pressing forming, drying, firing at 1170 ℃, and heat preservation for 30min to obtain the whole body antique porcelain tile with the imitated twisted tire natural texture;
the breaking strength of the prepared whole antique porcelain tile is 48Mpa, the water absorption is 0.35 percent, and the shrinkage is 12.4 percent.
The flexural strength and the water absorption are tested by adopting a test method of national standard GB/T3810, wherein:
flexural strength was tested by using a universal material tester according to GB/T3810.4-2016 using the formula:
breaking strength fcf ═ 1.5FL/(bhh)
Wherein, f-flexural strength (MPa); f-breaking load (N) when flexural; l-distance (mm) between two fulcrums; b-specimen cross-sectional width (mm); h-specimen section height (mm);
according to GB/T3810.3-2016, the water absorption is tested by a boiling method;
the shrinkage rate is the total shrinkage of the sample, i.e., (difference between the length after firing and the length after molding)/difference between the lengths after molding × 100%).
Example 2:
the whole body antique porcelain tile with the imitated hank tire natural ornamentation is formed by pressing a blank which takes two (or not limited to two) poor-quality mineral different classification tailing slags as main raw materials through uneven mixed cloth, wherein the purification process sequence of the poor-quality mineral comprises the steps of carrying out strong magnetic field magnetic separation on waste residue slurry after carrying out the low magnetic field magnetic separation, and then carrying out gravity separation to obtain sludge;
the preparation method comprises the following specific steps:
1) collecting strong magnetic slag obtained by magnetically separating granite waste materials through a weak magnetic field (0.4T) and weak magnetic slag obtained by magnetically separating the granite waste materials through a strong magnetic field (1.3T), washing the strong magnetic slag and the weak magnetic slag, sieving the strong magnetic slag and the weak magnetic slag through a 60-mesh sieve, and drying the strong magnetic slag and the weak magnetic slag.
2) Preparing a first blank:
mixing 50% of strong magnetic slag, 25% of kaolin and 25% of quartz, adding 70% of water, 0.3% of sodium polyphosphate and 0.1% of sodium carboxymethylcellulose, mixing, performing wet ball milling, taking alumina ball stones as grinding media, controlling the mass ratio of the ball stones, the first blank and the water to be 2:1:0.75, sieving the slurry obtained after ball milling by a 160-mesh sieve, wherein the screen residue is less than 0.1%, sieving, performing granulation, and obtaining the first blank with the moisture content of powder particles of the first blank in the granulation process of 6%.
3) Preparing a second blank:
mixing 90% of weak magnetic slag and 10% of kaolin, adding 70% of water, 0.3% of sodium polyphosphate and 0.3% of sodium carboxymethylcellulose, mixing, performing wet ball milling, taking alumina ball stone as a grinding medium, controlling the mass ratio of the ball stone, a second blank and the water to be 2:1:0.75, sieving slurry obtained after ball milling by a 160-mesh sieve, wherein the sieved residue is less than 0.1%, sieving, and performing granulation, wherein the moisture content of particles of the second blank in the granulation process is 6%, so that the second blank is obtained.
4) Preparing a whole-body antique porcelain tile with imitated twisted tire natural ornamentation:
randomly and non-uniformly mixing the first blank and the second blank according to the mass ratio of 1:2, then performing semi-dry pressing and forming, drying, sintering at 1170 ℃, and preserving heat for 30min to obtain the whole-body antique porcelain tile with the imitated twisted tire natural texture.
The whole of the antique porcelain tile obtained by the method described in example 1 had a flexural strength of 52MPa, a water absorption of 0.15% and a shrinkage of 11.6%.
Example 3:
the whole body antique porcelain tile with the imitated hank tire natural ornamentation is formed by pressing a blank which takes two (or not limited to two) poor-quality mineral different classification tailing slags as main raw materials through uneven mixed cloth, wherein the purification process sequence of the poor-quality mineral comprises the steps of carrying out strong magnetic field magnetic separation on waste residue slurry after carrying out the low magnetic field magnetic separation, and then carrying out gravity separation to obtain sludge;
the preparation method comprises the following specific steps:
1) collecting strong magnetic slag generated after the granite waste is magnetically separated by a weak magnetic field (0.4T), weak magnetic slag generated after the granite waste is magnetically separated by a strong magnetic field (1.3T) and sludge generated in the gravity separation process, washing the strong magnetic slag, the weak magnetic slag and the sludge with water, sieving the strong magnetic slag, the weak magnetic slag and the sludge with a 60-mesh sieve and drying the strong magnetic slag, the weak magnetic slag and the sludge.
2) Preparing a first blank:
mixing 50% of strong magnetic slag, 10% of sludge, 15% of kaolin and 25% of quartz in percentage by weight, adding 75% of water, 0.2% of sodium polyphosphate and 0.1% of sodium carboxymethylcellulose, mixing, carrying out wet ball milling, taking alumina ball stone as a grinding medium, controlling the mass ratio of the ball stone, the first blank and the water to be 2:1:0.75, sieving the slurry obtained after ball milling by a 160-mesh sieve, sieving the slurry to obtain a residue less than 0.1%, granulating after sieving, and obtaining the first blank by granulating the powder moisture content of the first blank in the granulating process to be 6%.
3) Preparing a second blank:
mixing 95% of weak magnetic slag, 5% of talcum, 75% of water, 0.3% of sodium polyphosphate and 0.3% of sodium carboxymethylcellulose, performing wet ball milling, taking alumina ball stone as a grinding medium, controlling the mass ratio of the ball stone, the second blank and the water to be 2:1:0.75, sieving the slurry obtained after ball milling by a 160-mesh sieve, wherein the sieved residue is less than 0.1%, and granulating after sieving, wherein the water content of the particles of the second blank in the granulating process is 6% to obtain the second blank.
4) Preparing a whole-body antique porcelain tile with imitated twisted tire natural ornamentation:
randomly and non-uniformly mixing the first blank and the second blank according to the mass ratio of 1:1, then performing semi-dry pressing and forming, drying, sintering at 1140 ℃, and preserving heat for 30min to obtain the whole-body antique porcelain tile with the imitated twisted tire natural texture.
The breaking strength of the entire body of the pseudo-classic porcelain tile was 35.8MPa, the water absorption was 0.45% and the shrinkage was 13.5%, measured according to the method described in example 1.
Example 4
The whole body antique porcelain tile with the imitated hank tire natural ornamentation is formed by pressing a blank which takes two (or not limited to two) poor-quality mineral different classification tailing slags as main raw materials through uneven mixed cloth, wherein the purification process sequence of the poor-quality mineral comprises the steps of carrying out strong magnetic field magnetic separation on waste residue slurry after carrying out the low magnetic field magnetic separation, and then carrying out gravity separation to obtain sludge;
the preparation method comprises the following specific steps:
1) collecting strong magnetic slag generated after the granite waste is magnetically separated by a weak magnetic field (0.35T), weak magnetic slag generated after the granite waste is magnetically separated by a strong magnetic field (1.35T) and sludge generated in the gravity separation process, washing the strong magnetic slag, the weak magnetic slag and the sludge with water, sieving the strong magnetic slag, the weak magnetic slag and the sludge with a 60-mesh sieve and drying the strong magnetic slag, the weak magnetic slag and the sludge.
2) Preparing a first blank:
mixing 40% of strong magnetic slag, 20% of sludge, 20% of kaolin and 20% of quartz, adding 65% of water, 0.25% of sodium polyphosphate and 0.2% of sodium carboxymethylcellulose, mixing, performing wet ball milling, taking alumina ball stone as a grinding medium, controlling the mass ratio of the ball stone, the first blank and the water to be 2:1:0.75, sieving the slurry obtained after ball milling by a sieve of 160 meshes, sieving the slurry to obtain a residue of less than 0.1%, sieving, granulating, and obtaining a first blank material by the granulation process, wherein the moisture content of powder of the first blank material is 6%.
3) Preparing a second blank:
mixing 90% of weak magnetic slag, 5% of calcite and 5% of talcum according to weight percentage, adding 65% of water, 0.3% of sodium polyphosphate and 0.2% of sodium carboxymethyl cellulose, mixing, carrying out wet ball milling, taking alumina ball stone as a grinding medium, controlling the mass ratio of the ball stone, a second blank and the water to be 2:1:0.75, sieving the slurry obtained after ball milling by a 160-mesh sieve, wherein the screen residue is less than 0.1%, sieving, carrying out granulation, and obtaining the second blank by controlling the moisture content of powder particles of the second blank to be 6% in the granulation process.
4) Preparing a whole-body antique porcelain tile with imitated twisted tire natural ornamentation:
randomly and non-uniformly mixing the first blank and the second blank according to the mass ratio of 1:2, then performing semi-dry pressing and forming, drying, sintering at 1140 ℃, and preserving heat for 20min to obtain the whole-body antique porcelain tile with the imitated twisted tire natural texture.
According to the measurement method described in example 1, the breaking strength of the produced antique porcelain tile is 53.6MPa, the water absorption is 0.3%, and the shrinkage is 12.3%.
Example 5
The whole body antique porcelain tile with the imitated hank tire natural ornamentation is formed by pressing a blank which takes two (or not limited to two) poor-quality mineral different classification tailing slags as main raw materials through uneven mixed cloth, wherein the purification process sequence of the poor-quality mineral comprises the steps of carrying out strong magnetic field magnetic separation on waste residue slurry after carrying out the low magnetic field magnetic separation, and then carrying out gravity separation to obtain sludge;
the preparation method comprises the following specific steps:
1) collecting strong magnetic slag generated after the granite waste is magnetically separated by a weak magnetic field (0.3T), weak magnetic slag generated after the granite waste is magnetically separated by a strong magnetic field (1.4T) and sludge generated in the gravity separation process, washing the strong magnetic slag, the weak magnetic slag and the sludge with water, sieving the strong magnetic slag, the weak magnetic slag and the sludge with a 60-mesh sieve and drying the strong magnetic slag, the weak magnetic slag and the sludge.
2) Preparing a first blank:
mixing 50% of strong magnetic slag, 10% of sludge, 20% of kaolin and 20% of quartz in percentage by weight, adding 65% of water, 0.25% of sodium polyphosphate and 0.3% of sodium carboxymethylcellulose, mixing, carrying out wet ball milling, taking alumina ball stone as a grinding medium, controlling the mass ratio of the ball stone, the first blank and the water to be 2:1:0.75, sieving the slurry obtained after ball milling by a 160-mesh sieve, sieving the slurry by a sieve residue of less than 0.1%, granulating after sieving, and obtaining the first blank by the granulation process, wherein the moisture content of powder particles of the first blank is 6%.
3) Preparing a second blank:
mixing 90% of weak magnetic slag, 5% of kaolin, 2.5% of calcite and 2.5% of talcum according to weight percentage, adding 75% of water, 0.25% of sodium polyphosphate and 0.1% of sodium carboxymethyl cellulose, mixing, carrying out wet ball milling, taking alumina ball stone as a grinding medium, controlling the mass ratio of the ball stone, a second blank and the water to be 2:1:0.75, sieving slurry obtained after ball milling through a 160-mesh sieve, sieving the rest to be less than 0.1%, sieving, carrying out granulation, and obtaining the second blank when the moisture content of particles of the second blank in the granulation process is 6%.
4) Preparing a whole-body antique porcelain tile with imitated twisted tire natural ornamentation:
randomly and non-uniformly mixing the first blank and the second blank according to the mass ratio of 1:2, then performing semi-dry pressing and forming, drying, firing at 1160 ℃, and preserving heat for 25min to obtain the whole-body antique porcelain tile with the imitated twisted tire natural texture.
According to the method described in example 1, the flexural strength of the produced antique porcelain tile is 48.4MPa, the water absorption is 0.2%, and the shrinkage is 12.0%.
Example 6
The whole body antique porcelain tile with the imitated hank tire natural ornamentation is formed by pressing a blank which takes two (or not limited to two) poor-quality mineral different classification tailing slags as main raw materials through uneven mixed cloth, wherein the purification process sequence of the poor-quality mineral comprises the steps of carrying out strong magnetic field magnetic separation on waste residue slurry after carrying out the low magnetic field magnetic separation, and then carrying out gravity separation to obtain sludge;
the preparation method comprises the following specific steps:
1) collecting strong magnetic slag generated after the granite waste is magnetically separated by a weak magnetic field (0.4T), weak magnetic slag generated after the granite waste is magnetically separated by a strong magnetic field (1.4T) and sludge generated in the gravity separation process, washing the strong magnetic slag, the weak magnetic slag and the sludge with water, sieving the strong magnetic slag, the weak magnetic slag and the sludge with a 60-mesh sieve and drying the strong magnetic slag, the weak magnetic slag and the sludge.
2) Preparing a first blank:
mixing 60% of strong magnetic slag, 15% of sludge, 10% of kaolin and 15% of quartz in percentage by weight, adding 65% of water, 0.25% of sodium polyphosphate and 0.3% of sodium carboxymethylcellulose, mixing, carrying out wet ball milling, taking alumina ball stone as a grinding medium, controlling the mass ratio of the ball stone, the first blank and the water to be 2:1:0.75, sieving the slurry obtained after ball milling by a 160-mesh sieve, sieving the slurry by a sieve residue of less than 0.1%, granulating after sieving, and obtaining the first blank by the granulation process, wherein the moisture content of powder particles of the first blank is 6%.
3) Preparing a second blank:
mixing 90% of weak magnetic slag, 5% of kaolin, 2.5% of calcite and 2.5% of talcum according to weight percentage, adding 75% of water, 0.25% of sodium polyphosphate and 0.1% of sodium carboxymethyl cellulose, mixing, carrying out wet ball milling, taking alumina ball stone as a grinding medium, controlling the mass ratio of the ball stone, a second blank and the water to be 2:1:0.75, sieving slurry obtained after ball milling through a 160-mesh sieve, sieving the rest to be less than 0.1%, sieving, carrying out granulation, and obtaining the second blank when the moisture content of particles of the second blank in the granulation process is 6%.
4) Preparing a whole-body antique porcelain tile with imitated twisted tire natural ornamentation:
randomly and non-uniformly mixing the first blank and the second blank according to the mass ratio of 1:2, then performing semi-dry pressing and forming, drying, firing at 1160 ℃, and preserving heat for 25min to obtain the whole-body antique porcelain tile with the imitated twisted tire natural texture.
According to the method described in example 1, the flexural strength of the produced antique porcelain tile is 44.3MPa, the water absorption is 0.15%, and the shrinkage is 12.30%.
In conclusion, when the full-body antique porcelain tile is prepared, the high-yield part of tailings in the impurity removal process of the inferior minerals are introduced in a high-doping amount, waste is recycled, the production cost of the antique porcelain tile is greatly reduced, the economic benefit is improved, the prepared full-body antique porcelain tile can meet the industrial performance standard that the water absorption rate is less than or equal to 0.5% and the breaking strength is greater than or equal to 35Mpa, on the basis of guaranteeing the product quality and performance of the full-body antique porcelain tile, the artistic effect similar to natural pattern decoration of twisted-body antique porcelain is obtained, the economic benefit is improved, and the full-body antique porcelain tile has a wide application prospect.

Claims (10)

1. A preparation method of a whole-body antique porcelain tile with imitated twisted tire natural ornamentation is characterized by comprising the following specific steps:
s1, carrying out magnetic separation and gravity separation on inferior minerals to obtain strong magnetic slag, weak magnetic slag and sludge, and washing, sieving and drying the strong magnetic slag, the weak magnetic slag and the sludge;
s2, preparing a first blank and a second blank, respectively performing ball milling on the prepared first blank and second blank to obtain a first blank slurry and a second blank slurry, respectively sieving, and then performing dehydration, drying, granulation and staling;
s3, the first blank and the second blank are subjected to non-uniform mixed cloth, semidry pressing and forming, drying, and heat preservation is carried out at 1140-1170 ℃ for 20-30 min to obtain the whole antique porcelain tile with the imitated twisted tire natural ornamentation.
2. The method for preparing the full-body archaized porcelain tile with the imitated hank tire natural ornamentation as recited in claim 1, wherein in the step S1, the magnetic separation is performed by performing magnetic separation with a weak magnetic field to obtain strong magnetic slag and then performing magnetic separation with a strong magnetic field to obtain weak magnetic slag.
3. The method for preparing the whole body antique porcelain tile with the imitated hank tire natural ornamentation, according to claim 2, is characterized in that the magnetic force of the weak magnetic field is 0.3T-0.4T, and the magnetic force of the strong magnetic field is 1.3T-1.4T.
4. The method for preparing the full-body antique porcelain tile with the imitated hank tire natural ornamentation as recited in claim 1, wherein in the step S2, the first blank component comprises 40-60% of strong magnetic slag, 0-20% of mud slag, 10-25% of kaolin and 15-25% of quartz by weight percentage.
5. The method for preparing the full-body antique porcelain tile with the imitated hank tire natural texture is characterized in that in the step S2, the second blank comprises 90-100% of weak magnetic slag, 0-10% of kaolin, 0-5% of talc and 0-5% of calcite in percentage by weight.
6. The method for preparing the full-body antique porcelain tile with the imitated natural decoration of the twisted tire according to the claim 1, wherein in the step S2, 65 to 75 percent of water, 0.1 to 0.3 percent of sodium carboxymethyl cellulose and 0.2 to 0.3 percent of sodium polyphosphate are added when the first blank slurry and the second blank slurry are prepared.
7. The method for preparing the full-body archaized porcelain tile with the imitated hank tire natural ornamentation as claimed in claim 1, wherein in the step S2, the fineness of the sieved screen is 160 meshes, and the sieved screen residue is more than 0 and less than 0.1 percent.
8. The method for preparing the full-body archaized porcelain tile with the imitated hank tire natural ornamentation as recited in claim 1, wherein in the step S2, the water content of the granulated powder is 5-6%.
9. The method for preparing the full-body archaized porcelain tile with the imitated hank tire natural texture as claimed in claim 1, wherein in the step S1, the poor-quality mineral is granite stone processing waste residue.
10. The method for preparing the whole body antique porcelain tile with the imitated twisted tire natural texture as claimed in any one of claims 1 to 9, wherein the shrinkage rate of the prepared whole body antique porcelain tile is 11.6-13.5%, and the breaking strength is 35.8-53.6 Mpa.
CN202110362471.7A 2021-04-02 2021-04-02 Whole-body antique porcelain tile with imitated twisted tire natural ornamentation and preparation method thereof Pending CN113087493A (en)

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CN103435333A (en) * 2013-08-21 2013-12-11 焦作市宋代绞胎绞釉瓷研究所 Retro traditional body-twisted porcelain with seamless whole body and preparation method of retro traditional body-twisted porcelain
CN104773997A (en) * 2015-03-31 2015-07-15 湖北鑫来利陶瓷发展有限公司 Preparation method of twisted pottery archaized bricks
CN106187089A (en) * 2016-07-22 2016-12-07 曹晓宏 A kind of environment-friendly type building pottery and preparation method thereof
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