CN112745029A - Preparation method of energy-saving aerogel composite foam glass - Google Patents
Preparation method of energy-saving aerogel composite foam glass Download PDFInfo
- Publication number
- CN112745029A CN112745029A CN202110157991.4A CN202110157991A CN112745029A CN 112745029 A CN112745029 A CN 112745029A CN 202110157991 A CN202110157991 A CN 202110157991A CN 112745029 A CN112745029 A CN 112745029A
- Authority
- CN
- China
- Prior art keywords
- glass
- aerogel
- saving
- composite foam
- aerogel composite
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000004964 aerogel Substances 0.000 title claims abstract description 47
- 239000011494 foam glass Substances 0.000 title claims abstract description 39
- 239000002131 composite material Substances 0.000 title claims abstract description 28
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 239000011521 glass Substances 0.000 claims description 25
- 239000003365 glass fiber Substances 0.000 claims description 24
- 239000002699 waste material Substances 0.000 claims description 23
- 239000000843 powder Substances 0.000 claims description 21
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 15
- 238000001816 cooling Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 12
- 238000007873 sieving Methods 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 11
- 239000006229 carbon black Substances 0.000 claims description 10
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 8
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 8
- 239000010445 mica Substances 0.000 claims description 8
- 229910052618 mica group Inorganic materials 0.000 claims description 8
- 229910052796 boron Inorganic materials 0.000 claims description 7
- 239000006260 foam Substances 0.000 claims description 7
- 238000000227 grinding Methods 0.000 claims description 7
- 239000003381 stabilizer Substances 0.000 claims description 7
- 239000000835 fiber Substances 0.000 claims description 6
- 239000000377 silicon dioxide Substances 0.000 claims description 6
- 238000005245 sintering Methods 0.000 claims description 6
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 claims description 6
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 5
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 4
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 4
- 229910021538 borax Inorganic materials 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 4
- 239000004328 sodium tetraborate Substances 0.000 claims description 4
- 235000010339 sodium tetraborate Nutrition 0.000 claims description 4
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 claims description 4
- 239000011787 zinc oxide Substances 0.000 claims description 4
- 235000014692 zinc oxide Nutrition 0.000 claims description 4
- 239000004966 Carbon aerogel Substances 0.000 claims description 3
- 235000010344 sodium nitrate Nutrition 0.000 claims description 3
- 239000004317 sodium nitrate Substances 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical class NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 235000017550 sodium carbonate Nutrition 0.000 claims description 2
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 2
- 235000011152 sodium sulphate Nutrition 0.000 claims description 2
- CDVLCTOFEIEUDH-UHFFFAOYSA-K tetrasodium;phosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]P([O-])([O-])=O CDVLCTOFEIEUDH-UHFFFAOYSA-K 0.000 claims description 2
- -1 sodium fluorosilicate Chemical compound 0.000 claims 1
- 238000009413 insulation Methods 0.000 abstract description 6
- 239000011148 porous material Substances 0.000 abstract description 4
- 238000009826 distribution Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract 2
- 239000012774 insulation material Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000005357 flat glass Substances 0.000 description 3
- 238000005187 foaming Methods 0.000 description 3
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000004088 foaming agent Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000001488 sodium phosphate Substances 0.000 description 2
- 229910000162 sodium phosphate Inorganic materials 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000006184 cosolvent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 201000009240 nasopharyngitis Diseases 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000005501 phase interface Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002153 silicon-carbon composite material Substances 0.000 description 1
- 235000015424 sodium Nutrition 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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
- C03C11/00—Multi-cellular glass ; Porous or hollow glass or glass particles
- C03C11/007—Foam glass, e.g. obtained by incorporating a blowing agent and heating
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B19/00—Other methods of shaping glass
- C03B19/06—Other methods of shaping glass by sintering, e.g. by cold isostatic pressing of powders and subsequent sintering, by hot pressing of powders, by sintering slurries or dispersions not undergoing a liquid phase reaction
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B19/00—Other methods of shaping glass
- C03B19/08—Other methods of shaping glass by foaming
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
- C03B5/235—Heating the glass
-
- 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
- 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
- C03C1/002—Use of waste materials, e.g. slags
-
- 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
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
Abstract
The invention discloses a preparation method of energy-saving aerogel composite foam glass. The foam glass has a structure that the open-close pore gap distribution is not existed in the traditional foam glass, has better cold insulation and heat insulation performance, has lower heat conductivity coefficient, has smaller installation thickness in the practical engineering application, and can be applied to the heat insulation and cold insulation engineering which needs modularized installation and has higher strength requirement.
Description
Technical Field
The invention relates to a preparation method of foam glass.
Background
Foam glass is a porous material manufactured artificially, and is commonly used as a cold insulation material. The internal air holes of the foam glass are closed-hole structures, the volume of the air holes accounts for 50-95% of the total volume of the material, and the diameter of the air holes is 0.5-5 mm, so that the foam glass has the performance advantages of low density, low thermal expansion coefficient, no water absorption, no moisture permeability, no combustion, no deformation, high mechanical strength, easy processing, convenient construction and the like. Most of foam glass supplied in the market at present is prepared by adding a proper amount of foaming agent, cosolvent, foam stabilizer and the like into waste glass residues, mixing, grinding, drying, preheating, melting, foaming, cooling and the like in a specific mould. The foam glass produced in this way has a thermal conductivity coefficient of generally 0.045W/(mK) to 0.064W/(mK) at 25 ℃, and can be applied to an environment with a temperature of-196 ℃ to 450 ℃. At 25 ℃, the thermal insulation material for cold insulation is usually used, such as rubber and plastic with the weight of 0.036W/(mK) and PIR with the weight of 0.029W/(mK), and the thermal conductivity coefficient of the foam glass is far higher than that of the common cold insulation material.
The aerogel is a novel material with a porous nano network structure, and according to the regulation of GB/T34336-2017 nano-pore aerogel composite heat insulation products, the heat conductivity coefficient of S-type aerogel products at 25 ℃ is 0.017W/(mK), so that the S-type aerogel products are heat insulation materials for performance games. The aerogel powder serving as the most main component in the aerogel product has the characteristics of high specific surface area, low density, flame retardance and the like, can be uniformly mixed with production raw materials of foam glass, and has no damage to the structure.
Disclosure of Invention
The invention aims to provide a preparation method of energy-saving aerogel composite foam glass, which has low heat conductivity coefficient and good sound absorption effect and simultaneously improves the mechanical strength of the foam glass.
In order to achieve the above purpose, the technical scheme of the invention is as follows: a preparation method of energy-saving aerogel composite foam glass specifically comprises the following steps:
(1) crushing and sieving the cleaned and dried waste glass by using a crusher to obtain glass powder;
(2) opening glass fibers with the diameter of 6-13 mu m into single fibers by an opener, wherein the opening rate is more than 95%;
(3) grinding a mixture with the following components in weight ratio by a ball mill, and sieving the mixture by a 200-mesh sieve to prepare a premix: waste glass, mica powder, open glass fiber, carbon black, calcium carbonate, fluxing agent, foam stabilizer (50-85), (1.6-15), (1-25), (0.002-0.3), (0.2-3.5), (6-23), (0.32-3), (0.03-1.8);
(4) uniformly injecting the premix into a mold of a kiln, starting temperature programming: raising the temperature to 600-700 ℃ at a temperature rise rate of 5-15 ℃/min, preheating and preserving the heat for 20-35 min; raising the temperature to 850-950 ℃ at the heating rate of 5-10 ℃/min, sintering and preserving the heat for 40-55 min; then reducing the temperature to 650 ℃ at the cooling rate of 2-5 ℃/min, and preserving the temperature for 20-30 ℃; and finally, cooling to room temperature along with the furnace to obtain the aerogel composite foam glass.
Preferably, the waste glass in the step (1) is colorless waste glass with silicon dioxide content more than 65.6% and boron content less than or equal to 14%.
Preferably, the glass fiber in the step (2) is E-glass, C-glass, high-strength glass fiber or AR glass fiber.
Preferably, the length of the glass fiber in the step (2) is 15-100 mm.
Preferably, the aerogel particles in step (3) are silica-based aerogel, silica-carbon composite aerogel or carbon aerogel.
Preferably, the sum of the silicon dioxide contents of the aerogel particles, the waste glass and the mica powder in the step (3) is 55-75%.
Preferably, the sum of the carbon contents of the carbon black, the aerogel particles and the calcium carbonate in the step (3) is 3-8%.
Preferably, the sum of the boron contents of the waste glass, the glass fiber and the foam stabilizer in the step (3) needs to meet 2-8%.
Preferably, the fluxing agent in the step (3) is zinc white, sodium carbonate, sodium nitrate, sodium fluosilicate and ethylenediamine salt.
Preferably, the foam stabilizer in step (3) is borax, ferric oxide, sodium phosphate, anhydrous sodium sulphate, or tetrasodium phosphate.
Compared with the prior art, the foam glass material with lower heat conductivity is formed by adopting the technical scheme that aerogel is selected as the heat conductivity modifying additive, the foam glass material is foamed and simultaneously provided with open-cell and closed-cell channels, and the length and the path of the closed channel are effectively controlled by controlling the addition amount of the aerogel in the premix. The glass fiber is selected to provide a phase interface for foaming of the foaming agent, gas during foaming is easier to gather on the surface of the opened glass fiber fragments to form uniform pores, the temperature distribution in the premix is improved, and the mechanical strength of the foam glass is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
FIG. 1 is a process flow diagram of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples of the present invention without any inventive step, are within the scope of the present invention.
Example 1
(1) Crushing and sieving the cleaned and dried waste common glass by using a crusher to obtain waste common glass powder;
(2) c-glass fiber with the diameter of 12 mu m is opened by an opener to be made into single-filament fiber, and the opening rate is more than 95 percent;
(3) grinding a mixture with the following components in parts by weight by a ball mill, and sieving the mixture with a 200-mesh sieve to prepare a premix, wherein the waste common glass powder comprises mica powder, silicon-based aerogel particles, opened C-glass fibers, carbon black, calcium carbonate, sodium fluosilicate and borax in a ratio of 60:1.6:24.8:0.26:2.6:8.6:0.35: 1.79;
(4) uniformly injecting the premix into a mold of a kiln, starting temperature programming: raising the temperature to 600-700 ℃ at a temperature rise rate of 5-15 ℃/min, preheating and preserving the heat for 20-35 min; raising the temperature to 900-1200 ℃ at the temperature rise rate of 5-10 ℃/min, sintering and preserving the heat for 40-55 min; then reducing the temperature to 650 ℃ at the cooling rate of 2-5 ℃/min, and preserving the temperature for 20-30 ℃; and finally, cooling to room temperature along with the furnace to obtain the aerogel composite foam glass.
The aerogel composite foam glass prepared by the method has the volume weight of 132kg/m3The thermal conductivity coefficient is 0.028W/(mK), and the compressive strength is 3.8 MPa.
Example 2
(1) Crushing and sieving the cleaned and dried waste plate glass by using a crusher to obtain waste plate glass powder;
(2) opening high-strength glass fibers with the diameter of 6 mu m into single-fiber shape by an opener, wherein the opening rate is more than 95%;
(3) grinding a mixture with the following components in parts by weight by a ball mill, and sieving the mixture with a 200-mesh sieve to prepare a premix, wherein the waste flat glass powder comprises mica powder and silicon-carbon composite aerogel particles, and the loosened high-strength glass fiber comprises carbon black, calcium carbonate, sodium carbonate and borax in a ratio of 81:4.7:4.008:0.002:1.6:6:1.21: 1.48;
(4) uniformly injecting the premix into a mold of a kiln, starting temperature programming: raising the temperature to 600-700 ℃ at a temperature rise rate of 5-15 ℃/min, preheating and preserving the heat for 20-35 min; raising the temperature to 900-1200 ℃ at the temperature rise rate of 5-10 ℃/min, sintering and preserving the heat for 40-55 min; then reducing the temperature to 650 ℃ at the cooling rate of 2-5 ℃/min, and preserving the temperature for 20-30 ℃; and finally, cooling to room temperature along with the furnace to obtain the aerogel composite foam glass.
The aerogel composite foam glass prepared by the method has the volume weight of 130kg/m3The thermal conductivity coefficient is 0.037W/(mK), and the compressive strength is 4.1 MPa.
Example 3
(1) Crushing and sieving the cleaned and dried waste high silica glass by using a crusher to obtain waste high silica glass powder;
(2) e-glass fiber with the diameter of 8 mu m is opened by an opener to be made into single-filament fiber, and the opening rate is more than 95 percent;
(3) grinding a mixture with the following components in weight ratio by a ball mill, and sieving the mixture by a 200-mesh sieve to prepare a premix: waste high silica glass powder, mica powder, carbon aerogel particles, opened E-glass fibers, carbon black, calcium carbonate, sodium nitrate and ferric oxide, wherein the ratio of the carbon black to the sodium carbonate to the ferric oxide is 70:11:1:0.3:0.2:13.5:3: 1;
(4) uniformly injecting the premix into a mold of a kiln, starting temperature programming: raising the temperature to 600-700 ℃ at a temperature rise rate of 5-15 ℃/min, preheating and preserving the heat for 20-35 min; raising the temperature to 900-1200 ℃ at the temperature rise rate of 5-10 ℃/min, sintering and preserving the heat for 40-55 min; then reducing the temperature to 650 ℃ at the cooling rate of 2-5 ℃/min, and preserving the temperature for 20-30 ℃; and finally, cooling to room temperature along with the furnace to obtain the aerogel composite foam glass.
The aerogel composite foam glass prepared by the method has the volume weight of 125kg/m3The thermal conductivity coefficient is 0.035W/(mK), and the compressive strength is 2.1 MPa.
Example 4
(1) Crushing and sieving the cleaned and dried waste high-boron glass by using a crusher to obtain waste high-boron glass powder;
(2) opening AR-glass fiber with the diameter of 8 mu m into single fiber with the opening rate of more than 95 percent by an opener;
(3) grinding a mixture with the following components in weight ratio by a ball mill, and sieving the mixture by a 200-mesh sieve to prepare a premix: waste high-boron glass powder, mica powder, silicon-based aerogel particles, opened AR-glass fibers, carbon black, calcium carbonate, zinc white and sodium phosphate, wherein the ratio of the carbon black to the zinc white to the sodium phosphate is 50:15:8:0.15:3.5:23:0.32: 0.03;
(4) uniformly injecting the premix into a mold of a kiln, starting temperature programming: raising the temperature to 600-700 ℃ at a temperature rise rate of 5-15 ℃/min, preheating and preserving the heat for 20-35 min; raising the temperature to 900-1200 ℃ at the temperature rise rate of 5-10 ℃/min, sintering and preserving the heat for 40-55 min; then reducing the temperature to 650 ℃ at the cooling rate of 2-5 ℃/min, and preserving the temperature for 20-30 ℃; and finally, cooling to room temperature along with the furnace to obtain the aerogel composite foam glass.
The aerogel composite foam glass prepared by the method has the volume weight of 140kg/m3Coefficient of thermal conductivity of 0.031W/(mK), and the compressive strength is 3.2 MPa.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (10)
1. The preparation method of the energy-saving aerogel composite foam glass is characterized by comprising the following steps:
crushing and sieving the cleaned and dried waste glass by using a crusher to obtain glass powder;
opening glass fibers with the diameter of 6-13 mu m into single fibers by an opener, wherein the opening rate is more than 95%;
grinding a mixture with the following components in parts by weight by a ball mill, and sieving the mixture with a 200-mesh sieve to prepare a premix, wherein the glass powder comprises mica powder, aerogel particles, loosened glass fibers, carbon black, calcium carbonate, a fluxing agent, a foam stabilizer (50-85), 1.6-15, 1-25, 0.002-0.3, 0.2-3.5, 6-23, 0.32-3, and 0.03-1.8;
and (4) uniformly injecting the premix into a mold of a kiln, and starting temperature programming: raising the temperature to 600-700 ℃ at a temperature rise rate of 5-15 ℃/min, preheating and preserving the heat for 20-35 min; raising the temperature to 850-950 ℃ at the heating rate of 5-10 ℃/min, sintering and preserving the heat for 40-55 min; then reducing the temperature to 650 ℃ at the cooling rate of 2-5 ℃/min, and preserving the temperature for 20-30 ℃; and finally, cooling to room temperature along with the furnace to obtain the aerogel composite foam glass.
2. The method for preparing energy-saving aerogel composite foam glass according to claim 1, wherein the total content of silica in the aerogel particles, the waste glass and the mica powder in the step (3) is 55-75%.
3. The method for preparing energy-saving aerogel composite foam glass according to claim 1, wherein the total carbon content of the carbon black, the aerogel particles and the calcium carbonate in the step (3) is 3-8%.
4. The method for preparing energy-saving aerogel composite foam glass according to claim 1, wherein the sum of the boron contents of the glass powder, the opened glass fibers and the foam stabilizer in the step (3) is 2-8%.
5. The method for preparing energy-saving aerogel composite foam glass according to claim 1, wherein the waste glass in the step (1) is colorless waste glass with silica content more than 65.6% and boron content less than or equal to 14%.
6. The method for preparing energy-saving aerogel composite foam glass according to claim 1, wherein the glass fiber in step (2) is E-glass, C-glass, high-strength glass fiber or AR glass fiber.
7. The preparation method of the energy-saving aerogel composite foam glass according to claim 1, wherein the length of the glass fiber in the step (2) is 15-100 mm.
8. The method for preparing energy-saving aerogel composite foam glass according to claim 1, wherein the aerogel particles in step (3) are silica-based aerogel, silica-carbon composite aerogel or carbon aerogel.
9. The method for preparing energy-saving aerogel composite foam glass according to claim 1, wherein the fluxing agent in the step (3) is zinc white, sodium carbonate, sodium nitrate, sodium fluorosilicate or ethylenediamine salt.
10. The preparation method of the energy-saving aerogel composite foam glass according to claim 1, wherein the foam stabilizer in the step (3) is borax, iron oxide, sodium phosphate, anhydrous sodium sulphate or tetrasodium phosphate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110157991.4A CN112745029A (en) | 2021-02-05 | 2021-02-05 | Preparation method of energy-saving aerogel composite foam glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110157991.4A CN112745029A (en) | 2021-02-05 | 2021-02-05 | Preparation method of energy-saving aerogel composite foam glass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112745029A true CN112745029A (en) | 2021-05-04 |
Family
ID=75653682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110157991.4A Pending CN112745029A (en) | 2021-02-05 | 2021-02-05 | Preparation method of energy-saving aerogel composite foam glass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112745029A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115321823A (en) * | 2022-09-21 | 2022-11-11 | 厦门市足来爽工贸有限公司 | Foam glass, preparation method and application thereof |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999047462A1 (en) * | 1998-03-16 | 1999-09-23 | The Regents Of The University Of California | A method of producing optical quality glass having a selected refractive index |
| RU2228903C2 (en) * | 2002-08-23 | 2004-05-20 | Пузынин Алексей Игоревич | Microporous quartz glass |
| CN101955319A (en) * | 2010-08-26 | 2011-01-26 | 陕西科技大学 | Method for preparing foamed glass by using waste fiberglass products |
| CN103395998A (en) * | 2013-07-30 | 2013-11-20 | 景德镇陶瓷学院 | Foam glass prepared from waste high-aluminum alkali-free boron-free glass fiber and manufacturing method thereof |
| CN103992036A (en) * | 2014-05-23 | 2014-08-20 | 浙江善力高科新材料有限公司 | Method for producing foam glass by use of glass fiber waste |
| CN106316135A (en) * | 2016-08-01 | 2017-01-11 | 吉林建筑大学 | Silica aerogel-filled open-cell foam glass particle and manufacturing method thereof |
| CN106746684A (en) * | 2016-12-26 | 2017-05-31 | 李光武 | A kind of glass and its application |
| CN108314464A (en) * | 2018-02-27 | 2018-07-24 | 南京工业大学 | A method of preparing foam glass-aerogel heat-insulating material |
| CN109399942A (en) * | 2018-11-22 | 2019-03-01 | 宁波荣山新型材料有限公司 | A kind of foam glass Ceramic Composite building heat preservation heat-barrier material and preparation method thereof |
| CN110372218A (en) * | 2019-09-03 | 2019-10-25 | 济南大学 | A kind of method that red mud prepares insulated fire foam pyroceram |
| CN111285593A (en) * | 2020-03-26 | 2020-06-16 | 安徽汇昌新材料有限公司 | Preparation method of foam glass special for sound absorption |
| CN111410430A (en) * | 2020-03-26 | 2020-07-14 | 安徽汇昌新材料有限公司 | Preparation method of foam glass for chimney desulfurization |
-
2021
- 2021-02-05 CN CN202110157991.4A patent/CN112745029A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999047462A1 (en) * | 1998-03-16 | 1999-09-23 | The Regents Of The University Of California | A method of producing optical quality glass having a selected refractive index |
| RU2228903C2 (en) * | 2002-08-23 | 2004-05-20 | Пузынин Алексей Игоревич | Microporous quartz glass |
| CN101955319A (en) * | 2010-08-26 | 2011-01-26 | 陕西科技大学 | Method for preparing foamed glass by using waste fiberglass products |
| CN103395998A (en) * | 2013-07-30 | 2013-11-20 | 景德镇陶瓷学院 | Foam glass prepared from waste high-aluminum alkali-free boron-free glass fiber and manufacturing method thereof |
| CN103992036A (en) * | 2014-05-23 | 2014-08-20 | 浙江善力高科新材料有限公司 | Method for producing foam glass by use of glass fiber waste |
| CN106316135A (en) * | 2016-08-01 | 2017-01-11 | 吉林建筑大学 | Silica aerogel-filled open-cell foam glass particle and manufacturing method thereof |
| CN106746684A (en) * | 2016-12-26 | 2017-05-31 | 李光武 | A kind of glass and its application |
| CN108314464A (en) * | 2018-02-27 | 2018-07-24 | 南京工业大学 | A method of preparing foam glass-aerogel heat-insulating material |
| CN109399942A (en) * | 2018-11-22 | 2019-03-01 | 宁波荣山新型材料有限公司 | A kind of foam glass Ceramic Composite building heat preservation heat-barrier material and preparation method thereof |
| CN110372218A (en) * | 2019-09-03 | 2019-10-25 | 济南大学 | A kind of method that red mud prepares insulated fire foam pyroceram |
| CN111285593A (en) * | 2020-03-26 | 2020-06-16 | 安徽汇昌新材料有限公司 | Preparation method of foam glass special for sound absorption |
| CN111410430A (en) * | 2020-03-26 | 2020-07-14 | 安徽汇昌新材料有限公司 | Preparation method of foam glass for chimney desulfurization |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115321823A (en) * | 2022-09-21 | 2022-11-11 | 厦门市足来爽工贸有限公司 | Foam glass, preparation method and application thereof |
| CN115321823B (en) * | 2022-09-21 | 2023-10-20 | 厦门市足来爽工贸有限公司 | Foam glass, preparation method and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101717267B (en) | Lightweight brick prepared from porzite roller rod waste material as raw material and preparation method thereof | |
| KR101726589B1 (en) | Expanded mortar and method for fabricating thereof | |
| CN102617180B (en) | Porous foamed ceramic and preparation method thereof | |
| CN108585924B (en) | Novel inorganic insulation board prepared by normal-temperature foaming of perlite powder and preparation method thereof | |
| CN108503371A (en) | A method of preparing foamed ceramic material using blast furnace slag and aluminous fly-ash | |
| KR100306866B1 (en) | Thermally insulating building material | |
| CN108409255A (en) | Fireproof heated board and preparation method thereof based on inorganic modified polyurethane particles | |
| CN112745029A (en) | Preparation method of energy-saving aerogel composite foam glass | |
| CN107986733A (en) | Flame-retardant thermal insulation material comprising the modified expanded vermiculite of ceramic fibre and preparation method thereof | |
| CN108129132A (en) | Sintering coal gives up expanded perlite thermal-nsulation decoration integrated board and preparation method thereof | |
| CN102690088B (en) | High-intensity light foam concrete insulation board and preparation method thereof | |
| CN110467352A (en) | A kind of foam glass material and preparation method thereof | |
| CN107739168B (en) | Flame-retardant thermal-insulation material containing expanded vermiculite with low thermal conductivity coefficient and preparation method thereof | |
| CN103819095A (en) | Low-density foam glass and preparation method thereof | |
| CN109133862A (en) | Utilize the porous thermal insulating ornament materials and preparation method thereof of iron tailings preparation | |
| CN104557129A (en) | Insulated sintered brick and preparation method thereof | |
| CN107417073B (en) | Preparation method of building sound-insulation high-porosity foam glass | |
| CN102173855B (en) | Calcium-silicon composite thermal insulating product | |
| KR100554718B1 (en) | Incombustible and Heat-Resistant Panel for Structures using Clay Minerals and Method for Manufacturing thereof | |
| CN107200474A (en) | A kind of foam glass thermal insulation material and preparation method thereof | |
| CN113526916A (en) | All-inorganic material insulation board and production process thereof, and production process of all-inorganic material composite decorative board | |
| KR20120077746A (en) | Fire resistant curtain wall board composition having high fire resistance and fire resistant light-weight board using it | |
| CN103242001A (en) | Self-heat-preservation building block | |
| CN108083843A (en) | A kind of method added flyash and improve foam basalt materials intensity | |
| CN104193393A (en) | Preparation method of high-strength heat-insulation composite brick |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210504 |