CN116477931A - Development method of novel machine-made mullite heat-insulating brick - Google Patents
Development method of novel machine-made mullite heat-insulating brick Download PDFInfo
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- CN116477931A CN116477931A CN202310338396.XA CN202310338396A CN116477931A CN 116477931 A CN116477931 A CN 116477931A CN 202310338396 A CN202310338396 A CN 202310338396A CN 116477931 A CN116477931 A CN 116477931A
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- parts
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- mullite
- insulating brick
- water
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- 239000011449 brick Substances 0.000 title claims abstract description 37
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 229910052863 mullite Inorganic materials 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 37
- 239000000463 material Substances 0.000 claims abstract description 28
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 24
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000003756 stirring Methods 0.000 claims abstract description 24
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 19
- 239000000701 coagulant Substances 0.000 claims abstract description 18
- 150000001875 compounds Chemical class 0.000 claims abstract description 18
- 229920001187 thermosetting polymer Polymers 0.000 claims abstract description 18
- 239000004088 foaming agent Substances 0.000 claims abstract description 17
- 239000002002 slurry Substances 0.000 claims abstract description 16
- 229910052849 andalusite Inorganic materials 0.000 claims abstract description 12
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000000292 calcium oxide Substances 0.000 claims abstract description 12
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000004927 clay Substances 0.000 claims abstract description 12
- 238000001035 drying Methods 0.000 claims abstract description 12
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 12
- 239000000377 silicon dioxide Substances 0.000 claims abstract 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 abstract description 10
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 9
- 239000006260 foam Substances 0.000 claims abstract description 9
- 238000005266 casting Methods 0.000 claims abstract description 8
- 239000003349 gelling agent Substances 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 239000004634 thermosetting polymer Substances 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims abstract description 7
- 238000009740 moulding (composite fabrication) Methods 0.000 claims abstract description 4
- RUDFQVOCFDJEEF-UHFFFAOYSA-N yttrium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[Y+3].[Y+3] RUDFQVOCFDJEEF-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052570 clay Inorganic materials 0.000 claims abstract description 3
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 7
- 235000012239 silicon dioxide Nutrition 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 238000009413 insulation Methods 0.000 description 9
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 229920003063 hydroxymethyl cellulose Polymers 0.000 description 1
- 229940031574 hydroxymethyl cellulose Drugs 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 235000019832 sodium triphosphate Nutrition 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
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- 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
- C04B35/16—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 silicates other than clay
- C04B35/18—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 silicates other than clay rich in aluminium oxide
- C04B35/185—Mullite 3Al2O3-2SiO2
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- 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
- C04B35/16—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 silicates other than clay
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
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- 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
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- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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Abstract
The invention relates to the technical field of heat-insulating bricks, in particular to a development method of a novel machine-made mullite heat-insulating brick, which has the advantages of simple flow, reduced density and heat conductivity, improved heat-insulating effect and strength value, and no longer becomes a bottleneck for limiting the development and use of the heat-insulating brick; the method comprises the following steps: s1, preparing the following raw materials: main materials: mullite, flint clay, andalusite, alumina, calcium oxide, zirconia, yttria, magnesia, and silica; auxiliary materials: water, a water reducing agent, a foaming agent, a gel agent, a coagulant and a thermosetting high molecular compound; s2, mixing the main material, water and a water reducing agent, and stirring to form slurry; s3, adding foam prepared from a foaming agent into the slurry, uniformly stirring, then adding a gelling agent, a coagulant and a thermosetting polymer compound, uniformly stirring, casting, forming, drying, demolding, baking, and heating and preserving heat to obtain the heat insulating brick.
Description
Technical Field
The invention relates to the technical field of heat-insulating bricks, in particular to a development method of a novel machine-made mullite heat-insulating brick.
Background
The heat insulating brick is a heat insulating and heat preserving light refractory material with regular appearance, is widely used in heat insulating engineering of the ceiling, the inner wall surface, the outer wall surface and the inner roof surface of a slope roof building foundation, is an important building material, greatly improves the temperature inside the building, improves the comfort level of the house, has more excellent heat insulating effect and mechanical property compared with the traditional overhead heat insulating brick and hollow heat insulating brick, and is the key point of the study of the heat insulating brick for the building wall.
In the prior art, the prepared heat insulation brick has the problems of high density, high heat conductivity, poor heat insulation effect, low strength and the like, and the problems limit the development and the use of the heat insulation brick and are to be solved and improved.
Disclosure of Invention
In order to solve the technical problems, the invention provides a development method of a novel mechanical mullite heat-insulating brick, which has simple flow, reduces density and heat conductivity, improves heat-insulating effect and strength value, and does not become a bottleneck for limiting development and use of the heat-insulating brick.
The invention relates to a development method of a novel machine-made mullite heat-insulating brick, which comprises the following steps:
s1, preparing the following raw materials:
main materials: mullite, flint clay, andalusite, alumina, calcium oxide, zirconia, yttria, magnesia, and silica;
auxiliary materials: water, a water reducing agent, a foaming agent, a gel agent, a coagulant and a thermosetting high molecular compound;
s2, mixing the main material, water and a water reducing agent, and stirring to form slurry;
s3, adding foam prepared from a foaming agent into the slurry, uniformly stirring, then adding a gelling agent, a coagulant and a thermosetting polymer compound, uniformly stirring, casting, forming, drying, demolding, baking, and heating and preserving heat to obtain the heat insulating brick.
Further, the weight portions are as follows:
main materials: 20-40 parts of mullite, 15-30 parts of flint clay clinker, 15-30 parts of andalusite, 5-10 parts of alumina, 4-8 parts of calcium oxide, 5-10 parts of zirconia, 5-10 parts of yttrium oxide, 5-10 parts of magnesia and 2-5 parts of silicon dioxide;
auxiliary materials: 10-12 parts of water, 0.5-1.6 parts of water reducer, 0.1-0.3 part of foaming agent, 0.5-1 part of gel agent, 0.3-0.6 part of coagulant and 0.5-1 part of thermosetting high molecular compound.
Further, in the step S3, the drying condition is that the drying is carried out for 4-6 hours at 40-50 ℃, the baking condition is that the baking is carried out for 15-20 hours at 100-120 ℃, and the heating and heat preserving condition is that the heating and heat preserving are carried out for 4-8 hours at 1400-1450 ℃.
Further, the granularity of the mullite is 0.05mm-0.09mm, the granularity of the flint clay clinker is 0.04mm-0.06mm, the granularity of the andalusite is 0.04mm-0.06mm, and the granularity of the calcium oxide is 0.04mm-0.08mm.
Further, the zirconia has a particle size of 10 microns to 90 microns.
Further, the yttria particle size is 20 microns to 80 microns.
Further, the magnesium oxide has a particle size of 10 microns to 15 microns.
Further, the silica particle size is 30 microns to 50 microns.
Compared with the prior art, the invention has the beneficial effects that: the mullite heat-insulating brick has the advantages of small density, low heat conductivity and excellent heat-insulating effect, and has high strength, thereby promoting the use and development of the heat-insulating brick.
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
The invention relates to a development method of a novel machine-made mullite heat-insulating brick, which comprises the following steps:
s1, preparing the following raw materials:
main materials: 20-40 parts of mullite with the granularity of 0.05-0.09 mm, 15-30 parts of flint clay clinker with the granularity of 0.04-0.06 mm, 15-30 parts of andalusite with the granularity of 0.04-0.06 mm, 5-10 parts of alumina, 4-8 parts of calcium oxide, 5-10 parts of zirconia with the granularity of 10-90 microns, 5-10 parts of yttrium oxide with the granularity of 20-80 microns, 5-10 parts of magnesia with the granularity of 10-15 microns and 2-5 parts of silicon dioxide with the granularity of 30-50 microns;
auxiliary materials: 10-12 parts of water, 0.5-1.6 parts of water reducer, 0.1-0.3 part of foaming agent, 0.5-1 part of gel agent, 0.3-0.6 part of coagulant and 0.5-1 part of thermosetting high molecular compound;
s2, mixing the main material, water and a water reducing agent, and stirring to form slurry;
s3, adding foam prepared from a foaming agent into the slurry, uniformly stirring, then adding a gelling agent, a coagulant and a thermosetting polymer compound, uniformly stirring, casting, forming, drying at 40-50 ℃ for 4-6h, demolding, baking at 100-120 ℃ for 15-20h, and preserving heat at 1400-1450 ℃ for 4-8h to obtain the heat insulation brick.
Example 1:
s1, preparing the following raw materials:
main materials: 22 parts of mullite with the granularity of 0.05-0.09 mm, 16 parts of flint clay clinker with the granularity of 0.04-0.06 mm, 17 parts of andalusite with the granularity of 0.04-0.06 mm, 6 parts of alumina, 4 parts of calcium oxide, 7 parts of zirconia with the granularity of 10-90 microns, 6 parts of yttrium oxide with the granularity of 20-80 microns, 5 parts of magnesia with the granularity of 10-15 microns and 2 parts of silicon dioxide with the granularity of 30-50 microns;
auxiliary materials: 11 parts of water, 1.2 parts of water reducer, 0.2 part of foaming agent, 0.6 part of gel agent, 0.4 part of coagulant, 0.6 part of ethyl acetate and 0.6 part of thermosetting high polymer compound;
s2, mixing the main material, water and a water reducing agent, and stirring to form slurry;
s3, adding foam prepared from a foaming agent into the slurry, stirring uniformly, adding a gelling agent, a coagulant and a thermosetting polymer compound, stirring uniformly, casting, drying at 40-50 ℃ for 5.5 hours, demolding, baking at 100-120 ℃ for 17 hours, and preserving heat at 1400-1450 ℃ for 5 hours to obtain the heat insulation brick.
Example 2:
s1, preparing the following raw materials:
main materials: 24 parts of mullite with the granularity of 0.05-0.09 mm, 20 parts of flint clay clinker with the granularity of 0.04-0.06 mm, 15 parts of andalusite with the granularity of 0.04-0.06 mm, 5 parts of alumina, 4 parts of calcium oxide, 5 parts of zirconia with the granularity of 10-90 microns, 5 parts of yttrium oxide with the granularity of 20-80 microns, 5 parts of magnesia with the granularity of 10-15 microns and 3 parts of silicon dioxide with the granularity of 30-50 microns;
auxiliary materials: 10 parts of water, 1.4 parts of water reducer, 0.3 part of foam agent, 0.8 part of silica sol, 0.6 part of coagulant, and 0.9 part of thermosetting high polymer compound, wherein the water reducer is sodium tripolyphosphate;
s2, mixing the main material, water and a water reducing agent, and stirring to form slurry;
s3, adding foam prepared from a foaming agent into the slurry, uniformly stirring, then adding a gelling agent, a coagulant and a thermosetting polymer compound, uniformly stirring, casting, drying at 40-50 ℃ for 4.5 hours, demolding, baking at 100-120 ℃ for 18 hours, and preserving heat at 1400-1450 ℃ for 6 hours to obtain the heat insulation brick.
Example 3:
s1, preparing the following raw materials:
main materials: 20 parts of mullite with the granularity of 0.05-0.09 mm, 22 parts of flint clay clinker with the granularity of 0.04-0.06 mm, 15 parts of andalusite with the granularity of 0.04-0.06 mm, 7 parts of alumina, 4 parts of calcium oxide, 5 parts of zirconia with the granularity of 10-90 microns, 6 parts of yttrium oxide with the granularity of 20-80 microns, 5 parts of magnesia with the granularity of 10-15 microns and 2 parts of silicon dioxide with the granularity of 30-50 microns;
auxiliary materials: 10 parts of water, 1.2 parts of water reducer, 0.3 part of foaming agent, 1 part of titanium dioxide sol, 0.6 part of coagulant, 0.9 part of thermosetting high molecular compound, and water-soluble phenolic epoxy resin;
s2, mixing the main material, water and a water reducing agent, and stirring to form slurry;
s3, adding foam prepared from a foaming agent into the slurry, stirring uniformly, adding a gelling agent, a coagulant and a thermosetting polymer compound, stirring uniformly, casting, drying at 40-50 ℃ for 4.5 hours, demolding, baking at 100-120 ℃ for 17 hours, and preserving heat at 1400-1450 ℃ for 6 hours to obtain the heat insulation brick.
Example 4:
s1, preparing the following raw materials:
main materials: 20 parts of mullite with the granularity of 0.05-0.09 mm, 15 parts of flint clay clinker with the granularity of 0.04-0.06 mm, 17 parts of andalusite with the granularity of 0.04-0.06 mm, 9 parts of alumina, 7 parts of calcium oxide, 5 parts of zirconia with the granularity of 10-90 microns, 6 parts of yttrium oxide with the granularity of 20-80 microns, 5 parts of magnesia with the granularity of 10-15 microns and 2 parts of silicon dioxide with the granularity of 30-50 microns;
auxiliary materials: 10 parts of water, 1.2 parts of water reducer, 0.3 part of foaming agent, 1 part of gel agent, 0.5 part of coagulant, 0.7 part of thermosetting high polymer compound and 0.3 part of hydroxymethyl cellulose;
s2, mixing the main material, water and a water reducing agent, and stirring to form slurry;
s3, adding foam prepared from a foaming agent into the slurry, uniformly stirring, then adding a gelling agent, a coagulant and a thermosetting polymer compound, uniformly stirring, casting, drying at 40-50 ℃ for 5.5 hours, demolding, baking at 100-120 ℃ for 19 hours, and preserving heat at 1400-1450 ℃ for 7 hours to obtain the heat insulation brick.
The insulating bricks prepared in examples 1 to 4 were tested to obtain the following indices:
therefore, the heat insulation brick prepared by the invention has stronger performance in the aspects of density, heat conductivity coefficient and compressive strength.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (8)
1. The development method of the novel machine-made mullite heat-insulating brick is characterized by comprising the following steps of:
s1, preparing the following raw materials:
main materials: mullite, flint clay, andalusite, alumina, calcium oxide, zirconia, yttria, magnesia, and silica;
auxiliary materials: water, a water reducing agent, a foaming agent, a gel agent, a coagulant and a thermosetting high molecular compound;
s2, mixing the main material, water and a water reducing agent, and stirring to form slurry;
s3, adding foam prepared from a foaming agent into the slurry, uniformly stirring, then adding a gelling agent, a coagulant and a thermosetting polymer compound, uniformly stirring, casting, forming, drying, demolding, baking, and heating and preserving heat to obtain the heat insulating brick.
2. The method for developing the novel mechanical mullite heat-insulating brick is characterized by comprising the following steps of:
main materials: 20-40 parts of mullite, 15-30 parts of flint clay clinker, 15-30 parts of andalusite, 5-10 parts of alumina, 4-8 parts of calcium oxide, 5-10 parts of zirconia, 5-10 parts of yttrium oxide, 5-10 parts of magnesia and 2-5 parts of silicon dioxide;
auxiliary materials: 10-12 parts of water, 0.5-1.6 parts of water reducer, 0.1-0.3 part of foaming agent, 0.5-1 part of gel agent, 0.3-0.6 part of coagulant and 0.5-1 part of thermosetting high molecular compound.
3. The method for developing a novel machine-made mullite heat-insulating brick as claimed in claim 2, wherein the drying condition in the step S3 is that the drying is carried out for 4-6 hours at 40-50 ℃, the baking condition is that the baking is carried out for 15-20 hours at 100-120 ℃, and the heating and heat-insulating condition is that the heating and heat-insulating is carried out for 4-8 hours at 1400-1450 ℃.
4. A method for developing a novel machine-made mullite heat-insulating brick as claimed in claim 3, wherein the mullite grain size is 0.05mm-0.09mm, flint clay clinker grain size is 0.04mm-0.06mm, andalusite grain size is 0.04mm-0.06mm, and calcium oxide grain size is 0.04mm-0.08mm.
5. The method for developing a novel mechanical mullite heat insulating brick as claimed in claim 4, wherein the zirconia has a particle size of 10-90 μm.
6. The method for developing a novel mechanical mullite heat insulating brick as claimed in claim 5, wherein the yttrium oxide has a particle size of 20-80 microns.
7. The method for developing a novel mechanical mullite heat insulating brick as claimed in claim 6, wherein the granularity of the magnesia is 10-15 microns.
8. The method for developing a novel mechanical mullite heat insulating brick as claimed in claim 7, wherein the silica has a particle size of 30-50 μm.
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