CN111072401A - Aluminum ore waste residue ceramic water permeable brick and preparation process thereof - Google Patents

Aluminum ore waste residue ceramic water permeable brick and preparation process thereof Download PDF

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Publication number
CN111072401A
CN111072401A CN201911318225.0A CN201911318225A CN111072401A CN 111072401 A CN111072401 A CN 111072401A CN 201911318225 A CN201911318225 A CN 201911318225A CN 111072401 A CN111072401 A CN 111072401A
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parts
ceramic
waste
meshes
ceramic waste
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孙中富
周伟军
范国雄
胡启成
蔡世杰
曾睿
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Foshan Ecological Sponge City Technology Development Co ltd
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Foshan Ecological Sponge City Technology Development Co ltd
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Priority to CN201911318225.0A priority Critical patent/CN111072401A/en
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    • 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
    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • 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
    • C04B33/13—Compounding ingredients
    • C04B33/131—Inorganic additives
    • 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
    • C04B33/13—Compounding ingredients
    • C04B33/132—Waste materials; Refuse; Residues
    • C04B33/1321—Waste slurries, e.g. harbour sludge, industrial muds
    • C04B33/1322—Red mud
    • 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
    • C04B33/13—Compounding ingredients
    • C04B33/132—Waste materials; Refuse; Residues
    • C04B33/1324—Recycled material, e.g. tile dust, stone waste, spent refractory material
    • 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
    • C04B33/13—Compounding ingredients
    • C04B33/132—Waste materials; Refuse; Residues
    • C04B33/1328—Waste materials; Refuse; Residues without additional clay
    • 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
    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/06—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by burning-out added substances by burning natural expanding materials or by sublimating or melting out added substances
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Compositions Of Oxide Ceramics (AREA)

Abstract

The invention discloses an aluminum ore waste residue ceramic water permeable brick, which comprises a bottom material and a surface material; wherein the bottom material is prepared from the following components in parts by weight: the ceramic waste material of 100 parts, the binder of 5-8 parts, the water of 2-4 parts and the aluminum ore waste residue of 5-20 parts are complemented; wherein the ceramic waste consists of 15-30 parts of ceramic waste with more than 16 meshes and the balance of ceramic waste with 6-16 meshes; the particle size of the aluminum ore waste residue is 16-200 meshes; the fabric is prepared from the following components in parts by weight: the balance of 100 parts of ceramic waste, 4-10 parts of binder and 2-4 parts of water. The aluminum ore waste residue ceramic water permeable brick has higher strength and water permeability coefficient, the firing temperature is lower than that of a common water permeable brick, the water permeable brick is more energy-saving, low-carbon and environment-friendly, and the quality index of the obtained water permeable brick meets the national standard.

Description

Aluminum ore waste residue ceramic water permeable brick and preparation process thereof
Technical Field
The invention relates to the technical field of building materials, in particular to an aluminum ore waste residue ceramic water permeable brick and a preparation process thereof.
Background
The treatment and utilization degree of nonferrous metal smelting waste and ceramic industrial waste in China is low, and how to treat and utilize metal smelting waste and ceramic industrial waste changes waste into valuable has become a subject of social common attention.
The aluminum slag is also called red mud, and the red mud is polluting waste slag discharged when aluminum oxide is extracted in the aluminum industry, and generally 1.0-2.0 tons of red mud are additionally generated when 1 ton of aluminum oxide is produced on average. China, as the 4 th alumina producing country in the world, discharges up to millions of tons of red mud every year.
Red mud generally contains a large amount of iron oxide, and has an appearance similar to that of red soil, so that the red mud is named. But some are brown and even off-white in color due to less iron oxide.
The bauxite has high aluminum content, aluminum is smelted by a Bayer process, and the produced red mud is called Bayer process red mud; the bauxite contains low content of aluminum, and is smelted by a sintering method or a sintering method and a Bayer process, and the produced red mud is respectively called sintering process red mud or combined process red mud.
The permeable bricks are laid on sidewalks, parking lots and urban squares, so that rainwater can rapidly permeate into the underground, urban drainage and flood control pressure can be relieved, soil water and underground water can be supplemented, soil humidity is kept, urban microclimate is improved, urban heat island effect is relieved, and the permeable bricks have a good effect on building of 'sponge cities'.
Therefore, the ceramic water permeable brick produced by using industrial waste can reduce pollution, realize waste recycling, improve ecological environment and has important significance for promoting social sustainable development.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide the aluminum ore waste residue ceramic water permeable brick which comprehensively utilizes industrial waste residue resources and has low water absorption expansion rate. The aluminum ore waste residue ceramic water permeable brick is characterized in that low-temperature sintering aluminum ore waste residue is added into a bottom material, so that the sintering temperature of the whole water permeable brick is reduced, the processing energy consumption is effectively reduced, and the water permeable brick is low-carbon and environment-friendly; meanwhile, the sintering degree of the aluminum ore waste residue is high, the obtained bottom brick has better strength, and the aluminum ore waste residue is easy to generate a micro-porous structure during sintering, so that the water permeability coefficient of the bottom brick is effectively improved, the utilization rate of industrial waste residue is improved, and the production cost is reduced.
The second purpose of the invention is to provide a preparation process of the aluminum ore waste residue ceramic water permeable brick.
One of the purposes of the invention is realized by adopting the following technical scheme:
an aluminum ore waste residue ceramic water permeable brick comprises a bottom material and a surface material;
wherein the bottom material is prepared from the following components in parts by weight: the ceramic waste material of 100 parts, the binder of 5-8 parts, the water of 2-4 parts and the aluminum ore waste residue of 5-20 parts are complemented; wherein the ceramic waste consists of 15-30 parts of ceramic waste with more than 16 meshes and the balance of ceramic waste with 6-16 meshes; the particle size of the aluminum ore waste residue is 16-200 meshes;
the fabric is prepared from the following components in parts by weight: the balance of 100 parts of ceramic waste, 4-10 parts of binder and 2-4 parts of water.
Namely, the aluminum ore waste residue ceramic water permeable brick is added with partial aluminum ore waste residue in the backing material, thereby improving the firing property of the water permeable brick, which shows the reduction of firing temperature, the enhancement of firing strength and the improvement of porosity after firing. The adding of the aluminum ore waste residue effectively reduces the production cost. Furthermore, in the bottom material of the water permeable brick, aluminum slag is partially used for replacing more than 16 meshes of ceramic waste materials to carry out grading, so that the bottom material keeps a better balance between water permeability and strength.
Furthermore, in the base material, the ceramic waste consists of 5-14 parts of ceramic waste with 30 meshes or more, 10-16 parts of ceramic waste with 16-30 meshes, 23-34 parts of ceramic waste with 10-16 meshes and the balance of ceramic waste with 6-10 meshes. That is, in the present application, the aluminum ore slag is matched with the ceramic waste of the grade, so that a better balance between the water permeability and the sintering strength is maintained.
Further, in the fabric, the ceramic waste material consists of 46-76 parts of 16-30 meshes of ceramic waste material and the balance of 10-16 meshes of ceramic waste material.
Further, the binder is an inorganic silicate binder, and has a particle size of 200 mesh or more. The binder provides form adhesion and strength support. When the dosage is too large, the strength can be effectively increased, but pores are blocked, so that the water permeability of the water permeable brick is reduced; when the dosage is too small, the water permeable brick has insufficient bonding strength and is difficult to form.
Further, the viscosity of the binder is 600 and 800 CPS.
Further, the bottom material is prepared from 5-7 parts of binder, 3-4 parts of water, 5-15 parts of aluminum ore waste residue and 100 parts of ceramic waste; wherein the ceramic waste is prepared from 4.5-12.5 parts of ceramic waste with 30 meshes above, 11-16 parts of ceramic waste with 16-30 meshes, 23-35 parts of ceramic waste with 10-16 meshes and the balance of ceramic waste with 6-10 meshes.
Further, the fabric is prepared from 4-6 parts of binder, 2-4 parts of water, 38-42 parts of 16-30 mesh ceramic waste and 100 parts of 10-16 mesh ceramic waste.
The second purpose of the invention is realized by adopting the following technical scheme:
a preparation process of the aluminum ore waste residue ceramic water permeable brick comprises the following steps:
1) grinding: grinding the ceramic waste, and sieving, wherein the ceramic waste respectively passes through a 6-mesh sieve, a 10-mesh sieve, a 16-mesh sieve and a 30-mesh sieve to respectively obtain ceramic waste with 6-10 meshes, 10-16 meshes, 16-30 meshes and more than 30 meshes;
2) preparing materials: grading the ceramic waste, adding water, uniformly stirring, adding a binder and aluminum ore waste residues, and uniformly mixing to obtain a bottom material; after grading the ceramic waste, adding water and a binder, and uniformly mixing to obtain a fabric;
3) molding: laying the bottom material into a cloth bottom layer with the thickness of 40-70 mn; laying the fabric into a fabric layer with the thickness of 15-30mm, and pressing and forming under the pressure of 9000-12000 KN;
4) and (3) firing: and sintering at 1100-1200 ℃ for 2-6h, and cooling to obtain the aluminum ore waste residue ceramic water permeable brick.
Further, in the step 2), under the condition of stirring the ceramic waste, water is added in a spraying mode, and a binder is sieved. Compared with the mode of premixing or adding water and the binder in sequence, the mode of adding water in a spraying mode and sieving the binder is adopted, so that the water and the binder are uniformly distributed on the ceramic waste, the binder is not easy to agglomerate, uniform binding is easy to form, and the overall strength and the water permeability of the water permeable brick are improved.
Further, pressing to a volume of 40-60% of the original volume.
Compared with the prior art, the invention has the beneficial effects that:
according to the aluminum ore waste residue ceramic water permeable brick provided by the invention, the aluminum ore waste residue is added into the backing material, so that the firing temperature can be reduced by 20-50 ℃, the energy is effectively saved, the consumption is reduced, the yield is effectively increased, and the production cost is reduced; meanwhile, the aluminum ore waste residue can effectively improve the sintering degree and the adaptability of the production process, is beneficial to ensuring higher production benefit and simultaneously improves the product strength; in addition, fine holes can be formed in the aluminum ore waste residue after sintering, so that hydrophobic through is formed, the water permeability coefficient of the aluminum ore waste residue is effectively improved, and the product performance is improved.
According to the aluminum ore waste residue ceramic water permeable brick provided by the invention, the main raw materials are waste materials or waste residue and other solid waste raw materials, so that the solid waste can be effectively digested, the utilization rate is improved, and the brick is more green and environment-friendly; the invention can effectively reduce the sintering temperature by using the low-temperature aluminum ore waste residue, simultaneously improve the energy consumption of the production process, reduce the production danger and improve the production economy.
The preparation process provided by the invention has the advantages that the process conditions are controllable, the binder is uniformly distributed, and the obtained water permeable brick has high texture uniformity, high strength and good water permeability.
Detailed Description
The present invention is further described below with reference to specific embodiments, and it should be noted that, without conflict, any combination between the embodiments or technical features described below may form a new embodiment.
The following are specific examples of the present invention, and raw materials, equipments and the like used in the following examples can be obtained by purchasing them unless otherwise specified.
In the following embodiments, the ceramic waste is a commercially available ceramic waste semi-finished product, or is obtained by automatically crushing collected ceramic waste; the aluminum ore waste residue is waste residue red mud obtained after aluminum oxide is extracted from aluminum ore, in particular to Bayer process red mud.
In the following specific embodiments, 30 mesh or more shall be understood as a sieved fraction separated with a 30 mesh sieve. The binders used in the following examples are inorganic silicate-based binders such as the commercially available water-permeable adhesives of type DC-X2.
The ceramic waste used in the invention is commercially available ceramic waste, and the components and mass percentages of the ceramic waste are as follows: SiO 22：67.62％、Al2O3：19.39％、Fe2O3：0.38％、TiO2：0.11％、CaO：0.72％、MgO：0.8％、K2O：3.38％、Na2O: 2.81 percent; vector burning: 4.61 percent.
Example 1:
an aluminum ore waste residue ceramic water permeable brick comprises a bottom material and a surface material;
wherein the bottom material is prepared from the following components in parts by weight: 6 parts of binder, 3.5 parts of water, 5 parts of aluminum ore waste residue and 85.5 parts of ceramic waste; wherein the ceramic waste consists of 12.5 parts of ceramic waste with 30 meshes or more, 16 parts of ceramic waste with 16-30 meshes, 24 parts of ceramic waste with 10-16 meshes and 33 parts of ceramic waste with 6-10 meshes;
the fabric is prepared from the following components in parts by weight: 5 parts of binder, 3 parts of water, 40 parts of 16-30 mesh ceramic waste and 52 parts of 10-16 mesh ceramic waste;
the preparation process of the aluminum ore waste residue ceramic water permeable brick comprises the following steps:
1) grinding: grinding the ceramic waste, and sieving, wherein the ceramic waste respectively passes through a 6-mesh sieve, a 10-mesh sieve, a 16-mesh sieve and a 30-mesh sieve to respectively obtain ceramic waste with 6-10 meshes, 10-16 meshes, 16-30 meshes and more than 30 meshes;
2) preparing materials: grading the ceramic waste, stirring the ceramic waste, spraying, adding water, screening a binder, adding aluminum ore waste residues, and uniformly mixing to obtain a bottom material; grading the ceramic waste, spraying, adding water, screening a binder, and uniformly mixing to obtain a fabric;
3) molding: paving a cloth bottom layer with the thickness of 55mn on the bottom material; laying the fabric into a fabric layer with the thickness of 25mm, and pressing and forming under the pressure of 11500KN until the overall thickness is 45 mm;
4) and (3) firing: and (3) firing for 4h at 1200 ℃, and cooling to obtain the aluminum ore waste residue ceramic water permeable brick.
Example 2:
an aluminum ore waste residue ceramic water permeable brick comprises a bottom material and a surface material;
wherein the bottom material is prepared from the following components in parts by weight: 6 parts of binder, 3.5 parts of water, 8 parts of aluminum ore waste residue and 82.5 parts of ceramic waste; wherein the ceramic waste consists of 7.5 parts of ceramic waste with 30 meshes or more, 13 parts of ceramic waste with 16-30 meshes, 33 parts of ceramic waste with 10-16 meshes and 29 parts of ceramic waste with 6-10 meshes;
the fabric is prepared from the following components in parts by weight: 5 parts of binder, 3 parts of water, 40 parts of 16-30 mesh ceramic waste and 52 parts of 10-16 mesh ceramic waste;
the preparation process of the aluminum ore waste residue ceramic water permeable brick comprises the following steps:
1) grinding: grinding the ceramic waste, and sieving, wherein the ceramic waste respectively passes through a 6-mesh sieve, a 10-mesh sieve, a 16-mesh sieve and a 30-mesh sieve to respectively obtain ceramic waste with 6-10 meshes, 10-16 meshes, 16-30 meshes and more than 30 meshes;
2) preparing materials: grading the ceramic waste, stirring the ceramic waste, spraying, adding water, screening a binder, adding aluminum ore waste residues, and uniformly mixing to obtain a bottom material; grading the ceramic waste, spraying, adding water, screening a binder, and uniformly mixing to obtain a fabric;
3) molding: paving a cloth bottom layer with the thickness of 55mn on the bottom material; laying the fabric into a fabric layer with the thickness of 25mm, and pressing and forming under the pressure of 11500KN until the overall thickness is 45 mm;
4) and (3) firing: and (3) firing for 4h at 1200 ℃, and cooling to obtain the aluminum ore waste residue ceramic water permeable brick.
Example 3:
an aluminum ore waste residue ceramic water permeable brick comprises a bottom material and a surface material;
wherein the bottom material is prepared from the following components in parts by weight: 6 parts of binder, 3.5 parts of water, 13 parts of aluminum ore waste residue and 77.5 parts of ceramic waste; wherein the ceramic waste consists of 4.5 parts of ceramic waste with 30 meshes or more, 11 parts of ceramic waste with 16-30 meshes, 34 parts of ceramic waste with 10-16 meshes and 28 parts of ceramic waste with 6-10 meshes;
the fabric is prepared from the following components in parts by weight: 5 parts of binder, 3 parts of water, 40 parts of 16-30 mesh ceramic waste and 52 parts of 10-16 mesh ceramic waste;
the preparation process of the aluminum ore waste residue ceramic water permeable brick comprises the following steps:
1) grinding: grinding the ceramic waste, and sieving, wherein the ceramic waste respectively passes through a 6-mesh sieve, a 10-mesh sieve, a 16-mesh sieve and a 30-mesh sieve to respectively obtain ceramic waste with 6-10 meshes, 10-16 meshes, 16-30 meshes and more than 30 meshes;
2) preparing materials: grading the ceramic waste, stirring the ceramic waste, spraying, adding water, screening a binder, adding aluminum ore waste residues, and uniformly mixing to obtain a bottom material; grading the ceramic waste, spraying, adding water, screening a binder, and uniformly mixing to obtain a fabric;
3) molding: paving a cloth bottom layer with the thickness of 55mn on the bottom material; laying the fabric into a fabric layer with the thickness of 25mm, and pressing and forming under the pressure of 11500KN until the overall thickness is 45 mm;
4) and (3) firing: and (3) firing for 4h at 1200 ℃, and cooling to obtain the aluminum ore waste residue ceramic water permeable brick.
Example 4:
an aluminum ore waste residue ceramic water permeable brick comprises a bottom material and a surface material;
wherein the bottom material is prepared from the following components in parts by weight: 5 parts of binder, 3 parts of water, 8 parts of aluminum ore waste residue and 84.5 parts of ceramic waste; wherein the ceramic waste consists of 8.5 parts of ceramic waste with 30 meshes or more, 14 parts of ceramic waste with 16-30 meshes, 33 parts of ceramic waste with 10-16 meshes and 29 parts of ceramic waste with 6-10 meshes;
the fabric is prepared from the following components in parts by weight: 5 parts of binder, 3 parts of water, 40 parts of 16-30 mesh ceramic waste and 52 parts of 10-16 mesh ceramic waste;
the preparation process of the aluminum ore waste residue ceramic water permeable brick comprises the following steps:
1) grinding: grinding the ceramic waste, and sieving, wherein the ceramic waste respectively passes through a 6-mesh sieve, a 10-mesh sieve, a 16-mesh sieve and a 30-mesh sieve to respectively obtain ceramic waste with 6-10 meshes, 10-16 meshes, 16-30 meshes and more than 30 meshes;
2) preparing materials: grading the ceramic waste, stirring the ceramic waste, spraying, adding water, screening a binder, adding aluminum ore waste residues, and uniformly mixing to obtain a bottom material; grading the ceramic waste, spraying, adding water, screening a binder, and uniformly mixing to obtain a fabric;
3) molding: paving a cloth bottom layer with the thickness of 55mn on the bottom material; laying the fabric into a fabric layer with the thickness of 25mm, and pressing and forming under the pressure of 11500KN until the overall thickness is 45 mm;
4) and (3) firing: and (3) firing for 4h at 1200 ℃, and cooling to obtain the aluminum ore waste residue ceramic water permeable brick.
Example 5:
an aluminum ore waste residue ceramic water permeable brick comprises a bottom material and a surface material;
wherein the bottom material is prepared from the following components in parts by weight: 7 parts of binder, 4 parts of water, 8 parts of aluminum ore waste residue and 80.5 parts of ceramic waste; wherein the ceramic waste consists of 6.5 parts of ceramic waste with 30 meshes or more, 12 parts of ceramic waste with 16-30 meshes, 33 parts of ceramic waste with 10-16 meshes and 29 parts of ceramic waste with 6-10 meshes;
the fabric is prepared from the following components in parts by weight: 5 parts of binder, 3 parts of water, 40 parts of 16-30 mesh ceramic waste and 52 parts of 10-16 mesh ceramic waste;
the preparation process of the aluminum ore waste residue ceramic water permeable brick comprises the following steps:
1) grinding: grinding the ceramic waste, and sieving, wherein the ceramic waste respectively passes through a 6-mesh sieve, a 10-mesh sieve, a 16-mesh sieve and a 30-mesh sieve to respectively obtain ceramic waste with 6-10 meshes, 10-16 meshes, 16-30 meshes and more than 30 meshes;
2) preparing materials: grading the ceramic waste, stirring the ceramic waste, spraying, adding water, screening a binder, adding aluminum ore waste residues, and uniformly mixing to obtain a bottom material; grading the ceramic waste, spraying, adding water, screening a binder, and uniformly mixing to obtain a fabric;
3) molding: paving a cloth bottom layer with the thickness of 55mn on the bottom material; laying the fabric into a fabric layer with the thickness of 25mm, and pressing and forming under the pressure of 11500KN until the overall thickness is 45 mm;
4) and (3) firing: and (3) firing for 4h at 1200 ℃, and cooling to obtain the aluminum ore waste residue ceramic water permeable brick.
Comparative example 1:
an aluminum ore waste residue ceramic water permeable brick comprises a bottom material and a surface material;
wherein the bottom material is prepared from the following components in parts by weight: 6 parts of binder, 3.5 parts of water and 90.5 parts of ceramic waste; wherein the ceramic waste consists of 13.5 parts of ceramic waste with 30 meshes or more, 14 parts of ceramic waste with 16-30 meshes, 23 parts of ceramic waste with 10-16 meshes and 40 parts of ceramic waste with 6-10 meshes;
the fabric is prepared from the following components in parts by weight: 5 parts of binder, 3 parts of water, 40 parts of 16-30 mesh ceramic waste and 52 parts of 10-16 mesh ceramic waste;
the preparation process of the aluminum ore waste residue ceramic water permeable brick comprises the following steps:
1) grinding: grinding the ceramic waste, and sieving, wherein the ceramic waste respectively passes through a 6-mesh sieve, a 10-mesh sieve, a 16-mesh sieve and a 30-mesh sieve to respectively obtain ceramic waste with 6-10 meshes, 10-16 meshes, 16-30 meshes and more than 30 meshes;
2) preparing materials: grading the ceramic waste, stirring the ceramic waste, spraying, adding water, screening a binder, and uniformly mixing to obtain a base material; grading the ceramic waste, spraying, adding water, screening a binder, and uniformly mixing to obtain a fabric;
3) molding: paving a cloth bottom layer with the thickness of 55mn on the bottom material; laying the fabric into a fabric layer with the thickness of 25mm, and pressing and forming under the pressure of 11500KN until the overall thickness is 45 mm;
4) and (3) firing: and (3) firing for 4h at 1200 ℃, and cooling to obtain the aluminum ore waste residue ceramic water permeable brick.
Comparative example 2:
an aluminum ore waste residue ceramic water permeable brick comprises a bottom material and a surface material;
wherein the bottom material is prepared from the following components in parts by weight: 6 parts of binder, 3.5 parts of water and 90.5 parts of ceramic waste; wherein the ceramic waste consists of 13.5 parts of ceramic waste with 30 meshes or more, 14 parts of ceramic waste with 16-30 meshes, 23 parts of ceramic waste with 10-16 meshes and 40 parts of ceramic waste with 6-10 meshes;
the fabric is prepared from the following components in parts by weight: 5 parts of binder, 3 parts of water, 40 parts of 16-30 mesh ceramic waste and 52 parts of 10-16 mesh ceramic waste;
the preparation process of the aluminum ore waste residue ceramic water permeable brick comprises the following steps:
1) grinding: grinding the ceramic waste, and sieving, wherein the ceramic waste respectively passes through a 6-mesh sieve, a 10-mesh sieve, a 16-mesh sieve and a 30-mesh sieve to respectively obtain ceramic waste with 6-10 meshes, 10-16 meshes, 16-30 meshes and more than 30 meshes;
2) preparing materials: after grading the ceramic waste, stirring the ceramic waste, adding water and a binder, and uniformly mixing to obtain a base material; grading the ceramic waste, adding water and a binder, and uniformly mixing to obtain a fabric;
3) molding: paving a cloth bottom layer with the thickness of 55mn on the bottom material; laying the fabric into a fabric layer with the thickness of 25mm, and pressing and forming under the pressure of 11500KN until the overall thickness is 45 mm;
4) and (3) firing: and (3) firing for 4h at 1200 ℃, and cooling to obtain the aluminum ore waste residue ceramic water permeable brick.
Comparative example 3:
an aluminum ore waste residue ceramic water permeable brick comprises a bottom material and a surface material;
wherein the bottom material is prepared from the following components in parts by weight: 12 parts of binder, 6 parts of water, 8 parts of aluminum ore waste residue and 74 parts of ceramic waste; wherein the ceramic waste consists of 5.5 parts of ceramic waste with 30 meshes or more, 11 parts of ceramic waste with 16-30 meshes, 31 parts of ceramic waste with 10-16 meshes and 26.5 parts of ceramic waste with 6-10 meshes;
the fabric is prepared from the following components in parts by weight: 5 parts of binder, 3 parts of water, 40 parts of 16-30 mesh ceramic waste and 52 parts of 10-16 mesh ceramic waste;
the preparation process of the aluminum ore waste residue ceramic water permeable brick comprises the following steps:
1) grinding: grinding the ceramic waste, and sieving, wherein the ceramic waste respectively passes through a 6-mesh sieve, a 10-mesh sieve, a 16-mesh sieve and a 30-mesh sieve to respectively obtain ceramic waste with 6-10 meshes, 10-16 meshes, 16-30 meshes and more than 30 meshes;
2) preparing materials: grading the ceramic waste, stirring the ceramic waste, spraying, adding water, screening a binder, adding aluminum ore waste residues, and uniformly mixing to obtain a bottom material; grading the ceramic waste, spraying, adding water, screening a binder, and uniformly mixing to obtain a fabric;
3) molding: paving a cloth bottom layer with the thickness of 55mn on the bottom material; laying the fabric into a fabric layer with the thickness of 25mm, and pressing and forming under the pressure of 11500KN until the overall thickness is 45 mm;
4) and (3) firing: and (3) firing for 4h at 1200 ℃, and cooling to obtain the aluminum ore waste residue ceramic water permeable brick.
Comparative example 4:
an aluminum ore waste residue ceramic water permeable brick comprises a bottom material and a surface material;
wherein the bottom material is prepared from the following components in parts by weight: 3 parts of binder, 2 parts of water, 8 parts of aluminum ore waste residue and 87 parts of ceramic waste; wherein the ceramic waste consists of 8 parts of ceramic waste with 30 meshes or more, 13 parts of ceramic waste with 16-30 meshes, 32 parts of ceramic waste with 10-16 meshes and 34 parts of ceramic waste with 6-10 meshes;
the fabric is prepared from the following components in parts by weight: 5 parts of binder, 3 parts of water, 40 parts of 16-30 mesh ceramic waste and 52 parts of 10-16 mesh ceramic waste;
the preparation process of the aluminum ore waste residue ceramic water permeable brick comprises the following steps:
1) grinding: grinding the ceramic waste, and sieving, wherein the ceramic waste respectively passes through a 6-mesh sieve, a 10-mesh sieve, a 16-mesh sieve and a 30-mesh sieve to respectively obtain ceramic waste with 6-10 meshes, 10-16 meshes, 16-30 meshes and more than 30 meshes;
2) preparing materials: grading the ceramic waste, stirring the ceramic waste, spraying, adding water, screening a binder, adding aluminum ore waste residues, and uniformly mixing to obtain a bottom material; grading the ceramic waste, spraying, adding water, screening a binder, and uniformly mixing to obtain a fabric;
3) molding: paving a cloth bottom layer with the thickness of 55mn on the bottom material; laying the fabric into a fabric layer with the thickness of 25mm, and pressing and forming under the pressure of 11500KN until the overall thickness is 45 mm;
4) and (3) firing: and (3) firing for 4h at 1200 ℃, and cooling to obtain the aluminum ore waste residue ceramic water permeable brick.
Comparative example 5:
an aluminum ore waste residue ceramic water permeable brick comprises a bottom material and a surface material;
wherein the bottom material is prepared from the following components in parts by weight: 6 parts of binder, 3.5 parts of water, 30 parts of aluminum ore waste residue and 60.5 parts of ceramic waste; wherein the ceramic waste consists of 5 parts of ceramic waste with 30 meshes or more, 16 parts of ceramic waste with 16-30 meshes, 23 parts of ceramic waste with 10-16 meshes and 16.5 parts of ceramic waste with 6-10 meshes;
the fabric is prepared from the following components in parts by weight: 5 parts of binder, 3 parts of water, 40 parts of 16-30 mesh ceramic waste and 52 parts of 10-16 mesh ceramic waste;
the preparation process of the aluminum ore waste residue ceramic water permeable brick comprises the following steps:
1) grinding: grinding the ceramic waste, and sieving, wherein the ceramic waste respectively passes through a 6-mesh sieve, a 10-mesh sieve, a 16-mesh sieve and a 30-mesh sieve to respectively obtain ceramic waste with 6-10 meshes, 10-16 meshes, 16-30 meshes and more than 30 meshes;
2) preparing materials: grading the ceramic waste, stirring the ceramic waste, spraying, adding water, screening a binder, adding aluminum ore waste residues, and uniformly mixing to obtain a bottom material; grading the ceramic waste, spraying, adding water, screening a binder, and uniformly mixing to obtain a fabric;
3) molding: paving a cloth bottom layer with the thickness of 55mn on the bottom material; laying the fabric into a fabric layer with the thickness of 25mm, and pressing and forming under the pressure of 11500KN until the overall thickness is 45 mm;
4) and (3) firing: and (3) firing for 4h at 1200 ℃, and cooling to obtain the aluminum ore waste residue ceramic water permeable brick.
Performance detection
The water permeable bricks obtained in examples 1 to 5 and comparative examples 1 to 2 were subjected to a water permeability coefficient test, a strength test and a water absorption expansion rate, and the costs were calculated, and the results are shown in the following table:
TABLE 1 index comparison of Water permeable bricks
Coefficient of water permeability[cm/s] Strength [ MPa ]] Water swelling rate [% ]] Firing temperature of [ deg.C]
Comparative example 1 2.1×10-2 3.5 0.4 1190
Comparative example 2 2.2×10-2 2.6 0.4 1190
Comparative example 3 1.7×10-2 4.6 0.6 1180
Comparative example 4 2.4×10-2 2.1 0.4 1190
Comparative example 5 4.3×10-2 4.6 3.2 1063
Example 1 2.3×10-2 3.5 0.6 1200
Example 2 2.9×10-2 4.5 0.9 1185
Example 3 4.0×10-2 5.0 1.5 1170
Example 4 2.6×10-2 4.8 1.0 1180
Example 5 3.0×10-2 4.4 0.9 1185
It can be seen from table 1 that, in examples 1 to 5, the firing temperature is greatly reduced compared to comparative examples 1 and 2, because the addition of the aluminum ore slag effectively lowers the firing temperature of the bed material, the firing performance is excellent, the strength of the water permeable brick is also increased, and the fired aluminum ore slag has more micro-porous structures, so that the obtained water permeable system is also increased. Comparative example 2 the binder is mixed with water and then added to the ceramic waste, compared with spraying water and sieving the binder, the uniform mixing is difficult, and the strength of the permeable brick is reduced; in the comparative example 3, the binder is used in a large amount, so that although the strength is greatly increased, most of pores are filled with the binder, and the water permeability coefficient is reduced; in addition, in comparative example 4, the binder amount was too small, and the water permeability was high, but the adhesive strength of the water permeable brick was low, resulting in a decrease in the overall strength of the water permeable brick. The aluminum ore waste residue of comparative example 5 is used in an excessive amount, so that the overall water absorption expansion rate of the water permeable brick is too high.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims (10)

1. The aluminum ore waste residue ceramic water permeable brick is characterized by comprising a bottom material and a surface material;
wherein the bottom material is prepared from the following components in parts by weight: the ceramic waste material of 100 parts, the binder of 5-8 parts, the water of 2-4 parts and the aluminum ore waste residue of 5-20 parts are complemented; wherein the ceramic waste consists of 15-30 parts of ceramic waste with more than 16 meshes and the balance of ceramic waste with 6-16 meshes; the particle size of the aluminum ore waste residue is 16-200 meshes;
the fabric is prepared from the following components in parts by weight: the balance of 100 parts of ceramic waste, 4-10 parts of binder and 2-4 parts of water.
2. The aluminum ore waste residue ceramic water permeable brick as claimed in claim 1, wherein in the bed material, the ceramic waste consists of 5-14 parts of 30-mesh or more, 10-16 parts of 16-30-mesh or 23-34 parts of 10-16-mesh and the balance of 6-10-mesh ceramic waste.
3. The aluminum slag ceramic water permeable brick as claimed in claim 1, wherein the ceramic waste material in the facing material consists of 46-76 parts of 16-30 mesh ceramic waste material and the balance of 10-16 mesh ceramic waste material.
4. The aluminum ore waste residue ceramic water permeable brick of claim 1, wherein the binder is an inorganic silicate-based binder, and the particle size is 200 mesh or more.
5. The aluminum slag ceramic water permeable brick as claimed in claim 4, wherein the viscosity of the binder is 600-800 CPS.
6. The aluminum ore waste residue ceramic water permeable brick as claimed in claim 1, wherein the backing material is made of 5-7 parts of binder, 3-4 parts of water, 5-15 parts of aluminum ore waste residue, and the balance of 100 parts of ceramic waste; wherein the ceramic waste is prepared from 4.5-12.5 parts of ceramic waste with 30 meshes above, 11-16 parts of ceramic waste with 16-30 meshes, 23-35 parts of ceramic waste with 10-16 meshes and the balance of ceramic waste with 6-10 meshes.
7. The aluminum slag ceramic water permeable brick as claimed in claim 1, wherein the facing material is composed of 4-6 parts of binder, 2-4 parts of water, 38-42 parts of 16-30 mesh ceramic waste and the balance of 100 parts of 10-16 mesh ceramic waste.
8. The process for preparing the aluminum slag ceramic water permeable brick as claimed in any one of claims 1 to 7, comprising the steps of:
1) grinding: grinding the ceramic waste, and sieving, wherein the ceramic waste respectively passes through a 6-mesh sieve, a 10-mesh sieve, a 16-mesh sieve and a 30-mesh sieve to respectively obtain ceramic waste with 6-10 meshes, 10-16 meshes, 16-30 meshes and more than 30 meshes;
2) preparing materials: grading the ceramic waste, adding water, uniformly stirring, adding a binder and aluminum ore waste residues, and uniformly mixing to obtain a bottom material; after grading the ceramic waste, adding water and a binder, and uniformly mixing to obtain a fabric;
3) molding: laying the bottom material into a cloth bottom layer with the thickness of 40-70 mn; laying the fabric into a fabric layer with the thickness of 15-30mm, and pressing and forming under the pressure of 9000-12000 KN;
4) and (3) firing: and sintering at 1100-1200 ℃ for 2-6h, and cooling to obtain the aluminum ore waste residue ceramic water permeable brick.
9. The process of claim 8, wherein in step 2), the ceramic waste is stirred while water is added in the form of a spray and the binder is sieved.
10. The process of claim 8, wherein the pressing is to a volume of 40-60% of the original volume.
CN201911318225.0A 2019-12-19 2019-12-19 Aluminum ore waste residue ceramic water permeable brick and preparation process thereof Pending CN111072401A (en)

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