CN115124321B - Dirty cement for preparing ceramic tile, archaized tile and preparation method thereof - Google Patents
Dirty cement for preparing ceramic tile, archaized tile and preparation method thereof Download PDFInfo
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- CN115124321B CN115124321B CN202210655166.1A CN202210655166A CN115124321B CN 115124321 B CN115124321 B CN 115124321B CN 202210655166 A CN202210655166 A CN 202210655166A CN 115124321 B CN115124321 B CN 115124321B
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- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
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- C04B33/1321—Waste slurries, e.g. harbour sludge, industrial muds
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- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
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- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
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- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/5022—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with vitreous materials
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- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
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Abstract
The invention discloses a dirty cement for preparing ceramic tiles, an archaized tile and a preparation method thereof, and the preparation method of the dirty cement for preparing ceramic tiles comprises the following steps: collecting ceramic industrial sewage and waste glaze; filtering the ceramic industrial sewage, and adding a precipitant to precipitate to obtain precipitated mud; and mixing the precipitated mud with the waste glaze to obtain the dirty cement for preparing ceramic tiles. The invention applies the waste glaze to prepare the sewage mud for producing ceramic tiles, so that the waste glaze is effectively treated, the discharge of the waste glaze is avoided, the environmental pollution is avoided, the resources are saved, and the cost is reduced. Meanwhile, the process of squeezing the ceramic industrial sewage is omitted, and the ceramic industrial sewage treatment cost is reduced. After filtering and precipitating the ceramic industrial sewage, the obtained precipitation mud is mixed with waste glaze to obtain the sewage cement, and the sewage cement is used for the production of ceramic tiles, thereby changing waste into valuables, saving resources and being environment-friendly.
Description
Technical Field
The invention relates to the field of ceramic production, in particular to dirty cement for preparing ceramic tiles, an archaized tile and a preparation method thereof.
Background
The rapid development of the building ceramic industry and the continuous upgrading of the building ceramic manufacture lead to the increasing demand of raw materials, the increasing demand on environmental protection, the new demands on the quality and style of bricks by consumers, and the glazed bricks with various colors on the market are generated. However, a large amount of solid and waste colored glazes are generated during processing various colored glazes and producing colored glaze products, ceramic manufacturers can usually discharge the waste glazes, the waste glazes cannot be effectively treated in the mode, resource waste is caused, and the discharged industrial wastewater has serious pollution to water resources around the enterprises, so that the ecological environment and the health of residents are seriously affected.
Accordingly, the prior art is still in need of improvement and development.
Disclosure of Invention
Based on the defects of the prior art, the invention aims to provide dirty cement for preparing ceramic tiles, archaized tiles and a preparation method thereof, and aims to solve the problems of resource waste caused by direct discharge and ineffective treatment of the existing waste glaze.
The technical scheme of the invention is as follows:
in a first aspect of the present invention, there is provided a method for preparing a waste cement for preparing ceramic tiles, comprising the steps of:
collecting ceramic industrial sewage and waste glaze;
filtering the ceramic industrial sewage, and adding a precipitant to precipitate to obtain precipitated mud;
and mixing the precipitated mud with the waste glaze to obtain the dirty cement for preparing ceramic tiles.
Optionally, the mass content of the water in the sewage sludge is 75-80%, and the specific gravity of the sewage sludge is 1.15-1.20.
Optionally, the precipitant is at least one selected from lime and polyacrylamide.
Optionally, the ceramic industrial sewage is filtered by a 70-80 mesh sieve.
Optionally, mixing the precipitated mud with the waste glaze, and sieving the mixture with a 100-120-mesh sieve to obtain the sewage mud for preparing ceramic tiles;
in a second aspect of the invention, there is provided a waste cement for use in the preparation of ceramic tiles, wherein the waste cement is prepared by the preparation method of the invention as described above.
In a third aspect of the invention, an archaized brick is provided, comprising a green body and a glaze layer arranged on the surface of the green body, wherein the raw materials of the green body comprise the dirty cement for preparing ceramic tiles according to the invention.
Optionally, the raw materials of the green body comprise, by weight:
28-32 parts of raw ore mud, 30-35 parts of stone powder raw materials, 20-25 parts of medium-temperature sand, 5-10 parts of sewage mud for preparing ceramic tiles, 2-4 parts of talcum and 0.88-1.4 parts of auxiliary materials.
Optionally, the auxiliary materials comprise sodium silicate and sodium naphthalene sulfonate.
In a fourth aspect of the present invention, there is provided a method for producing an archaized brick, comprising the steps of:
according to the weight portions, performing wet ball milling on 28 to 32 portions of raw ore mud, 30 to 35 portions of stone powder raw materials, 20 to 25 portions of medium-temperature sand, 5 to 10 portions of dirty cement, 2 to 4 portions of talcum and 0.88 to 1.4 portions of auxiliary materials to obtain ball milling mud; the sewage cement is the sewage mud for preparing ceramic tiles according to the invention;
sequentially carrying out spray drying, compression molding and drying on the ball milling slurry to obtain a blank;
glazing the surface of the green body, and firing to obtain the archaized brick.
The beneficial effects are that: in the invention, the waste glaze is applied to prepare the sewage sludge for producing ceramic tiles, so that the waste glaze is effectively treated, the waste glaze is prevented from being discharged, the environmental pollution is avoided, the resources are saved, and the cost is reduced. Meanwhile, the process of squeezing the ceramic industrial sewage is omitted, and the ceramic industrial sewage treatment cost is reduced. After filtering and precipitating the ceramic industrial sewage, the obtained precipitation mud is mixed with waste glaze to obtain the sewage cement, and the sewage cement is used for the production of ceramic tiles, thereby changing waste into valuables, saving resources and being environment-friendly.
Drawings
FIG. 1 is a schematic diagram of the preparation flow of the dirty cement in example 1 of the invention.
Detailed Description
The invention provides a waste cement for preparing ceramic tiles, an archaized tile and a preparation method thereof, which are used for making the purposes, the technical scheme and the effects of the invention clearer and more definite, and the invention is further described in detail below. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
The existing ceramic production enterprises generally carry out discharge treatment on waste glaze generated in the production process, the waste glaze cannot be effectively treated, resource waste is caused, and the discharged industrial wastewater seriously pollutes water resources around the enterprises, so that ecological environment and physical health of residents are seriously affected. In addition, ceramic enterprises generally adopt a water storage tank to filter, sediment and squeeze industrial sewage, and the purified sewage is recycled, so that the cost is high. In order to effectively treat the waste glaze and reduce the cost of purifying the ceramic industrial sewage, the inventor skillfully utilizes the ceramic industrial sewage and the waste glaze to prepare raw materials for producing ceramic bricks. Based on this, the embodiment of the invention provides a preparation method of dirty cement for preparing ceramic tiles, comprising the following steps:
s11, collecting ceramic industrial sewage and waste glaze;
s12, filtering the ceramic industrial sewage, and adding a precipitant for precipitation to obtain precipitation mud;
s13, mixing the precipitated mud with the waste glaze to obtain the dirty cement for preparing ceramic tiles.
In the invention, the waste glaze is applied to prepare the sewage sludge for producing ceramic tiles, so that the waste glaze is effectively treated, the waste glaze is prevented from being discharged, the environmental pollution is avoided, the resources are saved, and the cost is reduced. Meanwhile, the process of squeezing the ceramic industrial sewage is omitted, and the ceramic industrial sewage is directly recycled, so that the labor intensity of the ceramic industrial sewage treatment is reduced, and the sewage treatment cost is also reduced. After filtering and precipitating the ceramic industrial sewage, the obtained precipitation mud is mixed with waste glaze to obtain the sewage cement, and the sewage cement is used for the production of ceramic tiles, thereby changing waste into valuables, saving resources and being environment-friendly.
In step S11, ceramic industry sewage, that is, sewage generated in the process of producing ceramic products, is performed. The waste glaze can be foggy and waste glaze generated in the production process of ceramic products, and particularly, the foggy and waste glaze generated in the production process of ceramic products can be collected and applied in a concentrated way.
In step S12, after the ceramic industrial sewage is precipitated, besides the precipitated mud, the sewage can be obtained above the precipitated mud, and the sewage can enter a purifying tank for purification and then be used.
In one embodiment, the ceramic industry wastewater is filtered using a 70-80 mesh screen. Aims at filtering out the garbage such as wood slag, plastic, scrap iron and the like.
In one embodiment, the precipitant is selected from at least one of lime, polyacrylamide. The addition of lime and polyacrylamide can gradually flocculate and precipitate mud sand and other impurities in the ceramic industrial sewage. The adding amount of the precipitant can be selected according to the treatment amount of the ceramic industrial sewage to be treated.
In step S13, in one embodiment, the precipitated mud is mixed with the waste glaze, and the waste cement for preparing ceramic tiles is obtained after passing through a 100-120 mesh sieve. The main purpose of sieving with 100-120 mesh sieve is to filter out wood dust, fine rubber particles, metal impurities, etc. As the prepared dirty cement contains waste glaze, silt, scrap iron, other impurities and the like, the defects of product spot impurities, glaze foaming, pinholes and the like are easy to cause when the dirty cement is used for preparing the archaized brick, and the product quality can be influenced. If the waste glaze is more, the ball milling slurry performance can be influenced, the ball milling efficiency can be influenced, the ball milling power consumption can be increased, and the like. Therefore, the sieving treatment is enhanced in the sewage treatment process to avoid the defects.
In one embodiment, the mass content of the water in the sewage sludge is 75-80%, and the specific gravity of the sewage sludge is 1.15-1.20 (the specific gravity of the sewage sludge is the ratio of the density of the sewage sludge to the density of the pure water at 3.98 ℃ under standard atmospheric pressure). Specifically, the mass content of water in the sewage sludge can be controlled to be 75-80% by adding water into the sewage sludge, and the specific gravity of the sewage sludge is 1.15-1.20. The sewage sludge obtained by mixing the precipitated sludge with the waste glaze generally contains waste glaze, silt, scrap iron, other impurities and the like, and if the preparation is unstable, the ball milling slurry performance used in the ceramic tile preparation process can be influenced, and the defects of ceramic tile product spot impurities, glaze bubbling, pinholes and the like are caused. Therefore, the mass content of the water in the sewage sludge is controlled to be 75-80%, and the specific gravity of the sewage sludge is 1.15-1.20 for reuse.
The embodiment of the invention also provides the dirty cement for preparing the ceramic tile, wherein the dirty cement is prepared by adopting the preparation method disclosed by the invention.
The embodiment of the invention also provides an archaized brick, which comprises a blank body and a glaze layer arranged on the surface of the blank body, wherein the raw materials of the blank body comprise the dirty cement for preparing the ceramic tile, which is disclosed by the embodiment of the invention. In the embodiment, the low-temperature characteristic of the waste glaze can be utilized, the consumption of flux type raw materials is reduced, the addition of the waste glaze is beneficial to the rapid sintering of the blank, the breaking modulus of the archaized brick is improved, the volume expansion coefficient of the archaized brick is reduced, and the brick shape of the archaized brick is improved.
In one embodiment, the raw materials of the blank body comprise, in parts by weight:
28-32 parts of raw ore mud, 30-35 parts of stone powder raw materials, 20-25 parts of medium-temperature sand, 5-10 parts of sewage mud for preparing ceramic tiles, 2-4 parts of talcum and 0.88-1.4 parts of auxiliary materials.
In the embodiment, the characteristic of low firing temperature of waste glaze in the waste cement is utilized to adjust the formula of the green body, reduce the content of stone powder raw materials and magnesium, widen the firing temperature range of the green body, enable the green body to be fully oxidized during firing, and avoid the defects of black cores, impurities and the like; meanwhile, the usage amount of the flux type raw material can be reduced, the blank body can be sintered rapidly, the breaking modulus of the archaized brick is improved, the expansion coefficient of the archaized brick is reduced, the brick shape of the archaized brick product is improved, and the inner quality of the archaized brick is improved. The waste cement contains more ball-milling slurry water, waste powder produced by a spray tower and the like, the consumption of clay raw materials in the formula can be reduced by adding the waste slurry, the strength of the archaized brick is ensured by adding the waste slurry, and meanwhile, the cost of the formula can be reduced and the resource utilization rate can be improved by using the waste to replace high-value raw materials.
The main chemical compositions of the raw ore pug in percentage by mass are as follows: siO (SiO) 2 60～65％、Al 2 O 3 22～26％、Fe 2 O 3 1.2 to 2.0 percent; the main chemical composition of the stone powder raw material comprises: siO (SiO) 2 70～75％、Al 2 O 3 13～15％、Fe 2 O 3 0.5～1.5％、K 2 O 3～6％、Na 2 6-8% of O; the main chemical composition of the medium-temperature sand comprises: siO (SiO) 2 65～70％、Al 2 O 3 15～18％、Fe 2 O 3 0.5～1.5％、K 2 O 2～3％、Na 2 2-4% of O; the main chemical composition of talc includes: siO (SiO) 2 50-55% and 20-24% MgO; the main chemical components of the sewage cement comprise: siO (SiO) 2 65～70％、Al 2 O 3 18～21％、Fe 2 O 3 1～2％、K 2 O 2～3％、Na 2 O 2.5～3.5％。
In one embodiment, the auxiliary materials include water glass and sodium naphthalene sulfonate. Specifically, the auxiliary materials comprise 0.8-1.2 parts of sodium silicate and 0.08-0.2 part of sodium naphthalene sulfonate by weight. The content of sewage and mud can change during preparation, the ball milling mud performance can be directly influenced, and the problems of poor mud flow speed and thixotropic property can be solved by adjusting the addition amount of sodium silicate and sodium naphthalene sulfonate in auxiliary materials of the formula.
The embodiment of the invention also provides a preparation method of the archaized brick, which comprises the following steps:
s21, performing wet ball milling on 28-32 parts of raw ore mud, 30-35 parts of stone powder raw materials, 20-25 parts of medium-temperature sand, 5-10 parts of dirty cement, 2-4 parts of talcum and 0.88-1.4 parts of auxiliary materials according to parts by weight to obtain ball milling mud; the sewage mud is the sewage mud for preparing ceramic tiles according to the embodiment of the invention;
s22, sequentially carrying out spray drying and compression molding on the ball milling slurry, and drying to obtain a blank;
s23, glazing the surface of the green body, and firing to obtain the archaized brick.
In step S21, in one embodiment, the fineness of the ball-milling slurry is 2.0 to 2.4% of the mass of the ball-milling slurry passing through a 325 mesh screen. The waste cement has more impurities and waste glaze materials melted at low temperature, and the defects of blank bubbling, bulging, black cores, spot impurities and the like are easily caused in the blank. The fineness of the ball milling slurry is reduced to 2.0-2.4% of the mass of the ball milling slurry sieved by a 325-mesh screen, so that the specific surface area of the ball milling slurry can be increased, the generation and homogenization of mullite crystals in a green body are promoted, the sintering of the green body is facilitated, and the breaking modulus of the archaized brick is increased.
In one embodiment, the mass content of the water in the ball milling slurry is 33-36%, the flow rate of the ball milling slurry is 100+/-30 s, and the specific gravity of the ball milling slurry is more than or equal to 1.69 (the specific gravity of the ball milling slurry is the ratio of the density of the ball milling slurry to the density of pure water at 3.98 ℃ under standard atmospheric pressure).
In step S22, in one embodiment, before the ball-milling slurry is sequentially spray-dried, a step of removing iron is further included, and before the iron removal, a step of sieving with a 70-80 mesh sieve is further included, so as to reduce coarse particles, iron impurities and the like, and avoid defects such as blank bubbling, karst cave, spot impurities and the like.
In step S23, the specific raw materials or components of the glaze are not limited, and may be selected according to actual needs. As an example, the chemical components of the glaze may include, in parts by weight: siO (SiO) 2 42 to 48 portions of Al 2 O 3 14 to 16 parts of CaO, 3 to 6 parts of MgO, 2 to 4 parts of BaO 3 to 6 parts of K 2 O1-2 parts, na 2 2 to 4 parts of O, 2 to 4 parts of ZnO and ZrO 2 5-10 parts.
In one embodiment, the firing temperature is 1210 to 1230 ℃ and the firing time is 45 to 55 minutes.
Specifically, the kiln can be used for sintering, and the dirty cement contains a lot of impurities melted at low temperature, so that the kiln sintering temperature is 1210-1230 ℃ and the sintering time is 45-55 min, and by reducing the temperature rising speed of the kiln oxidative decomposition zone, the green body can have enough time to discharge the organic matters and the gases generated by the oxidative decomposition of carbonate in the green body before the glaze begins to melt, and the defects of closed bubbles, karst cave, glaze pinholes and the like of the green body are avoided.
The invention is further illustrated by the following specific examples.
Example 1
The preparation method of the dirty cement comprises the following steps:
as shown in figure 1, the wastewater produced in each process in the production workshop is filtered by a 70-80 mesh sieve and is collected in a water storage tank through a drainage canal or a pipeline to obtain industrial wastewater.
Pouring lime into a stirring tank, stirring to obtain an aqueous solution, and adding a small amount of lime aqueous solution into the water storage tank through a stirring tank pipeline to gradually flocculate and precipitate impurities such as silt and the like in industrial sewage in the water storage tank;
then, the industrial sewage in the water storage tank is subjected to precipitation treatment through a No. 1 precipitation tank and a No. 2 precipitation tank, most of silt in the industrial sewage is precipitated at the lower layer of the tank body, and the sewage purified at the upper layer is pumped into a purifying water tank for standby, so that the sewage can be used as circulating water in a production workshop. The sediment mud precipitated at the lower layer still has fluidity, and is pumped into a mixing tank under the condition of no stirring;
the solid and waste colored glaze materials are collected into a sedimentation tank through a pipeline, pumped into a mixing tank by a water pump and mixed with sedimentation mud, and the mixture is sieved by a sieve with 100 to 120 meshes to prepare the dirty cement.
The preparation steps of the archaized brick comprise:
according to the weight parts, performing wet ball milling on 30 parts of raw ore mud, 32 parts of stone powder raw materials, 24 parts of medium-temperature sand, 9 parts of sewage mud for preparing ceramic tiles, 4 parts of talcum, 0.8 part of sodium silicate and 0.2 part of sodium naphthalene sulfonate to obtain ball milling slurry; the fineness of the ball-milling slurry is 2.0-2.4% of the mass of the ball-milling slurry sieved by a 325-mesh screen, the mass content of water in the ball-milling slurry is 33-36%, the flow rate of the ball-milling slurry is 100+/-30 s, and the specific gravity of the ball-milling slurry is more than or equal to 1.69;
sequentially sieving the ball milling slurry with a 70-80 mesh sieve, removing iron, spray drying, compacting and forming, and drying to obtain a blank;
and (3) after the surface of the green body is coated with glaze, sintering is carried out for 50min at 1220 ℃ to obtain the archaized brick. The glaze comprises the following chemical components: siO (SiO) 2 46 parts of Al 2 O 3 14 parts of CaO 3 parts, mgO 3 parts, baO 4 parts and K 2 O1 part, na 2 O2 part, znO 3 part and ZrO 2 7 parts.
Example 2
The procedure for the preparation of the contaminated cement was the same as in example 1.
The archaizing brick was prepared in substantially the same manner as in example 1, except that:
according to the weight portions, 28 portions of raw ore mud, 30 portions of stone powder raw materials, 28 portions of medium-temperature sand, 10 portions of sewage mud for preparing ceramic tiles, 3 portions of talcum, 0.8 portion of sodium silicate and 0.2 portion of sodium naphthalene sulfonate are subjected to wet ball milling to obtain ball milling mud.
Example 3
The procedure for the preparation of the contaminated cement was the same as in example 1.
The archaizing brick was prepared in substantially the same manner as in example 1, except that:
according to the weight portions, 32 portions of raw ore mud, 34 portions of stone powder raw materials, 24 portions of medium-temperature sand, 7 portions of sewage mud for preparing ceramic tiles, 2 portions of talcum, 0.8 portion of sodium silicate and 0.2 portion of sodium naphthalene sulfonate are subjected to wet ball milling to obtain ball milling mud.
Comparative example 1
The preparation steps of the archaized brick comprise:
according to weight portions, performing wet ball milling on 35 portions of raw ore mud, 38 portions of stone powder raw materials, 21 portions of medium-temperature sand, 5 portions of talcum, 0.8 portion of water glass and 0.2 portion of sodium naphthalene sulfonate to obtain ball milling slurry; the fineness of the ball-milling slurry is 2.0-2.4% of the mass of the ball-milling slurry sieved by a 325-mesh screen, the mass content of water in the ball-milling slurry is 33-36%, the flow rate of the ball-milling slurry is 100+/-30 s, and the specific gravity of the ball-milling slurry is more than or equal to 1.69;
sequentially sieving the ball milling slurry with a 70-80 mesh sieve, removing iron, spray drying, compacting and forming, and drying to obtain a blank;
and (3) after the surface of the green body is coated with glaze, sintering is carried out for 50min at 1220 ℃ to obtain the archaized brick. The glaze comprises the following chemical components: siO (SiO) 2 46 parts of Al 2 O 3 14 parts of CaO 3 parts, mgO 3 parts, baO 4 parts and K 2 O1 part, na 2 O2 part, znO 3 part and ZrO 2 7 parts.
The ceramic tiles of example 1 and comparative example 1 were tested and the results are shown in table 1 below.
Table 1 test results
In summary, the invention provides a waste cement for preparing ceramic tiles, an archaized tile and a preparation method thereof, wherein the waste glaze is applied to prepare the waste mud for producing ceramic tiles, so that the waste glaze is effectively treated, the discharge of the waste glaze is avoided, the environmental pollution is avoided, the resources are saved, and the cost is reduced. Meanwhile, the process of squeezing the ceramic industrial sewage is omitted, and the ceramic industrial sewage treatment cost is reduced. The sediment mud obtained after filtering and settling the ceramic industrial sewage is mixed with waste glaze to obtain the sewage cement, which is used for the production of ceramic tiles, changes waste into valuable, saves resources and is environment-friendly. The archaized brick prepared from the sewage sludge has the advantages of high breaking modulus, low expansion coefficient and good brick shape.
It is to be understood that the invention is not limited in its application to the examples described above, but is capable of modification and variation in light of the above teachings by those skilled in the art, and that all such modifications and variations are intended to be included within the scope of the appended claims.
Claims (5)
1. The preparation method of the archaized brick is characterized by comprising the following steps:
collecting ceramic industrial sewage and waste glaze;
filtering the ceramic industrial sewage by adopting a 70-80 mesh sieve, and adding a precipitant for precipitation to obtain precipitated mud;
mixing the precipitated mud with the waste glaze, and sieving the mixture with a 100-120 mesh sieve to obtain sewage mud for preparing ceramic tiles; the mass content of water in the sewage sludge is 75-80%, and the specific gravity of the sewage sludge is 1.15-1.20;
according to the weight portions, performing wet ball milling on 28 to 32 portions of raw ore mud, 30 to 35 portions of stone powder raw materials, 20 to 25 portions of medium-temperature sand, 5 to 10 portions of dirty cement, 2 to 4 portions of talcum and 0.88 to 1.4 portions of auxiliary materials to obtain ball milling mud; the fineness of the ball-milling slurry is 2.0-2.4% of the mass of the ball-milling slurry sieved by a 325-mesh screen, the mass content of water in the ball-milling slurry is 33-36%, the flow rate of the ball-milling slurry is 100+/-30 s, and the specific gravity of the ball-milling slurry is more than or equal to 1.69;
sequentially sieving the ball milling slurry with a 70-80 mesh sieve, removing iron, spray drying, compacting and forming, and drying to obtain a blank;
glazing the surface of the green body, and firing to obtain the archaized brick;
the sintering temperature is 1220-1230 ℃, and the sintering time is 45-55 min.
2. The method according to claim 1, wherein the precipitant is at least one selected from lime and polyacrylamide.
3. The method according to claim 1, wherein the auxiliary materials include sodium silicate and sodium naphthalene sulfonate.
4. The method according to claim 1, wherein the glaze comprises the following chemical components in parts by weight: siO (SiO) 2 42 to 48 portions of Al 2 O 3 14 to 16 parts of CaO, 3 to 6 parts of MgO, 2 to 4 parts of BaO 3 to 6 parts of K 2 1 to 2 parts of O,Na 2 2 to 4 parts of O, 2 to 4 parts of ZnO and ZrO 2 5-10 parts.
5. An archaized brick which is characterized by being prepared by the preparation method of any one of claims 1-4.
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