CN112209621A - Novel composite sintered plate and preparation method thereof - Google Patents
Novel composite sintered plate and preparation method thereof Download PDFInfo
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- CN112209621A CN112209621A CN201910623803.5A CN201910623803A CN112209621A CN 112209621 A CN112209621 A CN 112209621A CN 201910623803 A CN201910623803 A CN 201910623803A CN 112209621 A CN112209621 A CN 112209621A
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- 239000002131 composite material Substances 0.000 title claims abstract description 17
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 239000000919 ceramic Substances 0.000 claims abstract description 23
- 239000002994 raw material Substances 0.000 claims abstract description 17
- 238000005187 foaming Methods 0.000 claims abstract description 12
- 239000013081 microcrystal Substances 0.000 claims abstract description 11
- 239000011521 glass Substances 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 14
- 239000004576 sand Substances 0.000 claims description 12
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 10
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 9
- 239000000126 substance Substances 0.000 claims description 9
- 238000010304 firing Methods 0.000 claims description 8
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 claims description 7
- 229910052593 corundum Inorganic materials 0.000 claims description 7
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 7
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 7
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 6
- 239000010433 feldspar Substances 0.000 claims description 6
- 239000004088 foaming agent Substances 0.000 claims description 6
- 239000000156 glass melt Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 239000000454 talc Substances 0.000 claims description 6
- 229910052623 talc Inorganic materials 0.000 claims description 6
- 235000012222 talc Nutrition 0.000 claims description 6
- 238000003892 spreading Methods 0.000 claims description 5
- 229910021532 Calcite Inorganic materials 0.000 claims description 3
- 239000000440 bentonite Substances 0.000 claims description 3
- 229910000278 bentonite Inorganic materials 0.000 claims description 3
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 3
- 229910021538 borax Inorganic materials 0.000 claims description 3
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims description 3
- 239000008395 clarifying agent Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 239000010436 fluorite Substances 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 239000010453 quartz Substances 0.000 claims description 3
- 238000010791 quenching Methods 0.000 claims description 3
- 230000000171 quenching effect Effects 0.000 claims description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical group [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 3
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 3
- 239000002893 slag Substances 0.000 claims description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 3
- 235000017550 sodium carbonate Nutrition 0.000 claims description 3
- 239000004328 sodium tetraborate Substances 0.000 claims description 3
- 235000010339 sodium tetraborate Nutrition 0.000 claims description 3
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 3
- 239000003086 colorant Substances 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims description 2
- 239000002241 glass-ceramic Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 7
- 239000002910 solid waste Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 239000004575 stone Substances 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 32
- 238000005034 decoration Methods 0.000 description 5
- 239000003337 fertilizer Substances 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 235000006040 Prunus persica var persica Nutrition 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000002440 industrial waste Substances 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- MCSXGCZMEPXKIW-UHFFFAOYSA-N 3-hydroxy-4-[(4-methyl-2-nitrophenyl)diazenyl]-N-(3-nitrophenyl)naphthalene-2-carboxamide Chemical compound Cc1ccc(N=Nc2c(O)c(cc3ccccc23)C(=O)Nc2cccc(c2)[N+]([O-])=O)c(c1)[N+]([O-])=O MCSXGCZMEPXKIW-UHFFFAOYSA-N 0.000 description 1
- 244000144730 Amygdalus persica Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 240000005809 Prunus persica Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C10/00—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
- C03C10/0009—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition containing silica as main constituent
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
-
- 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
-
- 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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/14—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silica
-
- 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
- C04B38/02—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding chemical blowing agents
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
- E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
- E04F13/14—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements stone or stone-like materials, e.g. ceramics concrete; of glass or with an outer layer of stone or stone-like materials or glass
- E04F13/144—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements stone or stone-like materials, e.g. ceramics concrete; of glass or with an outer layer of stone or stone-like materials or glass with an outer layer of marble or other natural stone
-
- 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
- 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
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3201—Alkali metal oxides or oxide-forming salts 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
- 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
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3206—Magnesium oxides or oxide-forming salts 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
- 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
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3208—Calcium oxide or oxide-forming salts thereof, e.g. lime
-
- 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
- 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
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
-
- 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
- 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
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/327—Iron group oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3272—Iron oxides or oxide forming salts thereof, e.g. hematite, magnetite
-
- 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
Abstract
The invention discloses a novel composite sintered plate and a preparation method thereof, wherein the composite sintered plate comprises a natural sandstone layer, a microcrystal bonding layer and a foamed ceramic layer, and the production process comprises the steps of preparation of the natural sandstone layer, microcrystal bonding layer and foamed ceramic layer; the industrial solid waste is used as the main raw material of the foaming layer, so that the cost is saved, the solid waste is recycled, the natural sandstone is used as the decorative surface of the foaming ceramic, the decorative effect is close to that of natural stone, the microcrystalline glass is used as a bonding layer, the three are simultaneously and integrally fired, the bonding strength is high, the water absorption rate is low, the radioactivity is avoided, the fireproof grade is high, and the decorative layer is an ideal decorative layer of the foaming ceramic and can be used for building outer walls; the construction is convenient; the degree of industrialization is high.
Description
The technical field is as follows:
the invention relates to the technical field of composite sintered plates, in particular to a novel composite sintered plate and a preparation method thereof.
Background art:
industrial waste, i.e. industrial solid waste, refers to various waste residues, dust and other waste discharged by industrial and mining enterprises in the process of production activities; such as acid-base sludge in chemical industry, waste casting sand in mechanical industry, activated carbon residue in food industry, fiber scraps of animals and plants in fiber industry, brick and tile fragments in silicate industry, etc. The solid waste is large in quantity, complex in composition and various in variety. With the development of industrial production, the amount of industrial waste is increasing; the fertilizer is passively stacked, occupies land, pollutes soil, water sources and atmosphere, influences crop growth and is harmful to human health, and if the fertilizer is treated by proper process, the fertilizer can be used as industrial raw materials or energy; the resource production of foamed ceramics by utilizing industrial solid wastes starts to realize industrialization, but the application range of the foamed ceramics in the market at present is narrow, the foamed ceramics are only used as partition boards, a proper decorative surface layer is not found to expand the application range of the foamed ceramics, and meanwhile, the existing decoration and heat preservation of the building outer wall are independent construction, and the construction procedure is complex.
The invention content is as follows:
the invention aims to overcome the defects in the prior art and provide a preparation method of a novel heat-insulation and decoration integrated plate integrating the heat-insulation function and the stone decoration effect.
The invention is implemented by the following technical scheme: a novel composite sintered plate and a preparation method thereof, wherein the composite sintered plate comprises a natural sandstone layer, a microcrystal bonding layer and a foamed ceramic layer, and the production process comprises the following steps:
(a) preparing a natural sandstone layer: according to the natural sand grains with different colors, the granularity of the natural sand grains is ensured to be between 1 and 3mm, and the natural sand grains are spread on a shed board on which high-temperature paper is spread according to the thickness of the cloth of 5 to 20mm after gradation mixing;
(b) microcrystalline bonding layer: spreading the prepared glass ceramics raw material on a natural sandstone layer according to the thickness of 2-4 mm;
(c) foaming a ceramic layer: spreading the foaming ceramic layer raw materials on the microcrystal bonding layer according to the weight ratio, placing the three layers of materials in a kiln and simultaneously firing according to the same firing process, wherein the firing temperature is 1150-1180 ℃, the heat preservation time is 60-80 minutes, then gradually cooling to be less than or equal to 100 ℃, discharging from the kiln and forming;
preferably, the weight percentages of the raw materials for preparing the microcrystal bonding layer in the step b are as follows: 50-65% of quartz, 3-18% of feldspar, 3-5% of calcite, 5-10% of soda ash, 2-7% of alumina, 2-3% of talcum, 1-2% of fluorite, 0-3% of borax, 0.5% of clarifying agent and 0.2-0.5% of titanium oxide, mixing the materials, conveying the mixture into a glass melting furnace to melt, preparing glass melt at 1500-1540 ℃, and performing water quenching on the glass melt to prepare glass particles, namely the microcrystalline glass raw material of the microcrystalline bonding layer.
Preferably, the chemical components of the natural sandstone layer in the step a are distributed according to the mass percentage as follows: SiO 22 57-72% ，Al2O3 15-21% ，CaO 1-3%，K2O 1.5-2.6%，Na2O 1.0-3.0%，Fe2O3 1.8-9.5%, MgO 1.5-2.8%, and loss on ignition 0.5-1.2%.
Preferably, the chemical composition of the microcrystalline bonding layer in the step b is as follows by mass percent: SiO 22 59-67% ，Al2O3 4-15% ，CaO 8-15%，K2O 2-2.5%，Na2O 1-6%，Fe2O3 0.2-0.4% ，MgO 1.5-2.0%，TiO2 0.2-0.9%，BaO 0.3-1.0%。
Preferably, the foamed ceramic layer in the step c comprises the following chemical components in percentage by mass: SiO 22 69-77% ，Al2O3 10-18% ，CaO 2-4%，K2O 1-3%，Na2O 2-4%，Fe2O3 0.3-0.9% ，MgO 2-2.5%。
Preferably, the foaming ceramic layer comprises the following raw materials in percentage by weight: 70-80% of polishing slag, 5-15% of feldspar, 1-2% of bentonite, 1-2% of talcum and 0.2-0.6% of foaming agent.
Preferably, the foaming agent is silicon carbide.
The invention has the advantages that:
(1) the industrial solid waste is used as the main raw material of the foaming layer, so that the cost is saved and the solid waste is recycled.
(2) The natural sandstone is used as the decorative surface of the foamed ceramic, the decorative effect is close to that of natural stone, the microcrystalline glass is used as the bonding layer, the three are simultaneously and integrally fired, the bonding strength is high, the water absorption rate is low, the radioactivity is avoided, the fire-proof grade is high, and the decorative layer is an ideal decorative layer of the foamed ceramic and can be used for building outer walls.
(3) The construction is convenient; the invention integrates the advantages of decoration, heat preservation, weather resistance, sound insulation and water resistance, greatly saves the construction period of each link in the construction process and accelerates the construction process.
(4) The degree of industrialization is high; the sintering process integrating the decoration layer and the foaming layer simultaneously has high industrial degree, solves a plurality of problems in the use of the outer wall at one time, reduces the production period and improves the production efficiency.
The specific implementation mode is as follows:
the sandstone surface layer in the embodiment mainly comprises the following components:
| name (R) | Peach red sandstone | Deep red sandstone | White sandstone | Black sandstone |
| The content wt% | 82.5 | 11.2 | 5.3 | 1 |
The chemical composition of the microcrystalline bonding surface is as follows:
| chemical composition | SiO2 | Al2O3 | CaO | K2O | Na2O | Fe2O3 | MgO | TiO2 | BaO |
| The content wt% | 65.2 | 9.4 | 12 | 2.9 | 3.8 | 0.3 | 3.1 | 1.5 | 1.8 |
The performance indexes of the natural sandstone-microcrystal binding layer-foamed ceramic composite sintered plate are as follows:
| performance index | Sandstone surface | Foamed ceramic layer |
| Density g/cm3 | 2.56 | 0.45 |
| Water absorption% | 0.1 | 0.08 |
| Flexural strength MPa | 5 | |
| Compressive strength MPa | 10 | |
| Acid resistance | UHA | UHA |
| Alkali resistance | UHC | UHC |
| Radiation property | Class A | Class A |
| Fire resistance | Class A | Class A |
The foaming agent is silicon carbide.
The method comprises the following steps: according to the sand grain composition: mixing and sieving 82.5% of peach red sand grains, 11.2% of dark red sand grains, 5.2% of white sand grains and 1% of black sand grains to ensure that the granularity is concentrated at 1-3mm, thus obtaining the sandstone layer raw material.
Step two: according to the weight ratio: 50-65% of quartz, 3-18% of feldspar, 3-5% of calcite, 5-10% of soda ash, 2-7% of alumina, 2-3% of talcum, 1-2% of fluorite, 0-3% of borax, 0.5% of clarifying agent and 0.2-0.5% of titanium oxide, mixing the materials, conveying the mixture into a glass melting furnace to melt, preparing glass melt at 1500-1540 ℃, and performing water quenching on the glass melt to prepare glass particles, namely the microcrystalline bonding layer granular material.
Step three: according to the weight ratio, the mixture of 70-80% of polishing slag, 5-15% of feldspar, 1-2% of bentonite, 1-2% of talcum and 0.2-0.6% of foaming agent is the raw material of the foamed ceramic layer;
spreading the sandstone layer raw material prepared in the step one on a shed board paved with high-temperature paper according to the thickness of 5-20 mm. And flatly paving the microcrystal bonding layer obtained in the second step on the sandstone layer according to the thickness of 2-4mm, finally flatly paving the foaming raw material layer obtained in the third step on the microcrystal bonding layer according to the thickness of 40-60mm, simultaneously firing the three layers of materials in a kiln at the firing temperature of 1150-1180 ℃ for 60-80 minutes, then gradually cooling to 100 ℃, taking out of the kiln, and forming.
Claims (7)
1. A novel composite sintered plate and a preparation method thereof are characterized in that: the composite sintered plate comprises a natural sandstone layer, a microcrystal bonding layer and a foamed ceramic layer, and the production process comprises the following steps:
(a) preparing a natural sandstone layer: according to the natural sand grains with different colors, the granularity of the natural sand grains is ensured to be between 1 and 3mm, and the natural sand grains are spread on a shed board on which high-temperature paper is spread according to the thickness of the cloth of 5 to 20mm after gradation mixing;
(b) microcrystalline bonding layer: spreading the prepared glass ceramics raw material on a natural sandstone layer according to the thickness of 2-4 mm;
(c) foaming a ceramic layer: spreading the foaming ceramic layer raw materials on the microcrystal bonding layer according to the weight ratio, placing the three layers of materials in a kiln, simultaneously firing according to the same firing process, wherein the firing temperature is 1150-1180 ℃, keeping the temperature for 60-80 minutes, then gradually cooling to the temperature of less than or equal to 100 ℃, discharging from the kiln, and forming.
2. The novel composite sintered plate and the preparation method thereof according to claim 1, wherein: the weight percentage of the raw materials for preparing the microcrystal bonding layer in the step b is as follows: 50-65% of quartz, 3-18% of feldspar, 3-5% of calcite, 5-10% of soda ash, 2-7% of alumina, 2-3% of talcum, 1-2% of fluorite, 0-3% of borax, 0.5% of clarifying agent and 0.2-0.5% of titanium oxide, mixing the materials, conveying the mixture into a glass melting furnace to melt, preparing glass melt at 1500-1540 ℃, and performing water quenching on the glass melt to prepare glass particles, namely the microcrystalline glass raw material of the microcrystalline bonding layer.
3. The novel composite sintered plate and the preparation method thereof according to claim 1, wherein: the chemical components of the natural sandstone layer in the step a are distributed according to mass percentage as follows: SiO 22 57-72% ，Al2O3 15-21% ，CaO 1-3%，K2O 1.5-2.6%，Na2O 1.0-3.0%，Fe2O3 1.8-9.5%, MgO 1.5-2.8%, and loss on ignition 0.5－1.2%。
4. The novel composite sintered plate and the preparation method thereof according to claim 1, wherein: the microcrystalline bonding layer in the step b comprises the following chemical components in percentage by mass: SiO 22 59-67% ，Al2O3 4-15% ，CaO 8-15%，K2O 2-2.5%，Na2O 1-6%，Fe2O3 0.2-0.4% ，MgO 1.5-2.0%，TiO2 0.2-0.9%，BaO 0.3-1.0%。
5. The novel composite sintered plate and the preparation method thereof according to claim 1, wherein: the foamed ceramic layer in the step c comprises the following chemical components in percentage by mass: SiO 22 69-77% ，Al2O3 10-18% ，CaO 2-4%，K2O 1-3%，Na2O 2-4%，Fe2O3 0.3-0.9% ，MgO 2-2.5%。
6. The novel composite sintered plate and the preparation method thereof according to claim 1, wherein: the foaming ceramic layer comprises the following raw materials in percentage by weight: 70-80% of polishing slag, 5-15% of feldspar, 1-2% of bentonite, 1-2% of talcum and 0.2-0.6% of foaming agent.
7. The novel composite sintered plate and the preparation method thereof according to claim 6, wherein: the foaming agent is silicon carbide.
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| CN112209698A (en) * | 2019-07-12 | 2021-01-12 | 内蒙古建能兴辉陶瓷有限公司 | Fireproof foaming board, fireproof wallboard and preparation method thereof |
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