CN117069506B - Preparation process of thermal insulation and noise reduction ceramic fiber board - Google Patents
Preparation process of thermal insulation and noise reduction ceramic fiber board Download PDFInfo
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- CN117069506B CN117069506B CN202311321978.3A CN202311321978A CN117069506B CN 117069506 B CN117069506 B CN 117069506B CN 202311321978 A CN202311321978 A CN 202311321978A CN 117069506 B CN117069506 B CN 117069506B
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- 239000000919 ceramic Substances 0.000 title claims abstract description 96
- 239000011094 fiberboard Substances 0.000 title claims abstract description 70
- 238000002360 preparation method Methods 0.000 title claims abstract description 39
- 238000009413 insulation Methods 0.000 title claims abstract description 22
- 230000009467 reduction Effects 0.000 title claims abstract description 19
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 60
- 239000000945 filler Substances 0.000 claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000008367 deionised water Substances 0.000 claims abstract description 18
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 18
- 239000002657 fibrous material Substances 0.000 claims abstract description 18
- 239000007767 bonding agent Substances 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- 238000001354 calcination Methods 0.000 claims description 41
- 239000000835 fiber Substances 0.000 claims description 37
- 238000002156 mixing Methods 0.000 claims description 31
- 238000001035 drying Methods 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 16
- 235000012239 silicon dioxide Nutrition 0.000 claims description 12
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 10
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 10
- 235000021355 Stearic acid Nutrition 0.000 claims description 10
- 239000011230 binding agent Substances 0.000 claims description 10
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 10
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 10
- 229920001592 potato starch Polymers 0.000 claims description 10
- 239000000843 powder Substances 0.000 claims description 10
- 239000002002 slurry Substances 0.000 claims description 10
- 239000008117 stearic acid Substances 0.000 claims description 10
- 229910052918 calcium silicate Inorganic materials 0.000 claims description 9
- 239000000378 calcium silicate Substances 0.000 claims description 9
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 claims description 9
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 8
- 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 claims description 8
- 229910052863 mullite Inorganic materials 0.000 claims description 8
- 239000010453 quartz Substances 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 5
- 229960000583 acetic acid Drugs 0.000 claims description 5
- 238000000498 ball milling Methods 0.000 claims description 5
- 229910021538 borax Inorganic materials 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- -1 flocculant Substances 0.000 claims description 5
- 239000012362 glacial acetic acid Substances 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 5
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 5
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 5
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 5
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 5
- 239000004328 sodium tetraborate Substances 0.000 claims description 5
- 235000010339 sodium tetraborate Nutrition 0.000 claims description 5
- 238000005303 weighing Methods 0.000 claims description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 claims description 3
- 229920002401 polyacrylamide Polymers 0.000 claims description 3
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims description 2
- 238000001914 filtration Methods 0.000 claims 1
- 238000000227 grinding Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 24
- 239000003063 flame retardant Substances 0.000 abstract description 10
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 abstract description 9
- 230000000052 comparative effect Effects 0.000 description 24
- 238000012360 testing method Methods 0.000 description 12
- 239000000463 material Substances 0.000 description 11
- 239000008394 flocculating agent Substances 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 4
- 239000000654 additive Substances 0.000 description 3
- 230000000996 additive effect Effects 0.000 description 3
- 239000003575 carbonaceous material Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 125000005624 silicic acid group Chemical group 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009740 moulding (composite fabrication) Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000012546 transfer Methods 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
- C04B35/71—Ceramic products containing macroscopic reinforcing agents
- C04B35/78—Ceramic products containing macroscopic reinforcing agents containing non-metallic materials
- C04B35/80—Fibres, filaments, whiskers, platelets, or the like
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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
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
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- 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
- C04B2235/34—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
- C04B2235/3409—Boron oxide, borates, boric acids, or oxide forming salts thereof, e.g. borax
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Abstract
The invention relates to the technical field of fiberboard production, in particular to a preparation process of a thermal insulation and noise reduction ceramic fiberboard; the heat-insulating noise-reducing ceramic fiber board is prepared from the following raw materials in parts by weight: 50-60 parts of ceramic fiber material, 8-12 parts of first functional agent, 10-14 parts of second functional agent, 6-10 parts of filler, 15-25 parts of flocculant, 5-8 parts of bonding agent and 25-35 parts of deionized water; according to the preparation process of the heat-insulating and noise-reducing ceramic fiber board, the heat conductivity coefficient of the prepared ceramic fiber board can be effectively reduced, so that the heat-insulating effect of the ceramic fiber board is improved, and the effect of reducing noise can be promoted; but also has excellent flame retardant effect.
Description
Technical Field
The invention relates to the technical field of fiberboard production, in particular to a preparation process of a thermal insulation and noise reduction ceramic fiberboard.
Background
The ceramic fiber board also maintains good mechanical strength after heating, and the product is a fiber insulation product which is stiffer and has supporting strength than fiber blanket and felt. The ceramic fiber board has the excellent properties of corresponding bulk ceramic fiber cotton, and the product has the advantages of hard texture, excellent toughness and strength and excellent wind erosion resistance.
With the rapid development of economy and the improvement of the living standard of people, acoustic requirements are put on most buildings to avoid pollution to surrounding noise. In the prior art, the metal plate with sound absorption holes is arranged in the ceramic fiber board or a layer of sound absorption material is covered, but the sound absorption effect is not good enough, and the requirement of high sound insulation performance cannot be basically met.
Therefore, the invention provides a preparation process of the heat-insulating and noise-reducing ceramic fiber board, which is used for solving the related technical problems.
Disclosure of Invention
The invention aims to provide a preparation process of a thermal insulation and noise reduction ceramic fiber board, and the prepared ceramic fiber board can effectively reduce the heat conductivity coefficient to improve the thermal insulation effect of the ceramic fiber board and promote the realization of noise reduction; but also has excellent flame retardant effect.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the invention provides a preparation process of a thermal insulation and noise reduction ceramic fiber board, which is prepared from the following raw materials in parts by weight: 50-60 parts of ceramic fiber material, 8-12 parts of first functional agent, 10-14 parts of second functional agent, 6-10 parts of filler, 15-25 parts of flocculant, 5-8 parts of bonding agent and 25-35 parts of deionized water;
the preparation process of the heat-insulating noise-reducing ceramic fiber board comprises the following steps of:
I. accurately weighing ceramic fiber material, first functional agent, second functional agent, filler, flocculant, binder and deionized water respectively, and mechanically mixing for 40-50 min to obtain a mixture;
II. And (3) dehydrating and molding the obtained mixture to obtain a wet blank, and drying and calcining the wet blank to obtain the heat-insulating noise-reducing ceramic fiber board.
The invention is further provided with: the ceramic fiber material is prepared from alumina fibers, polycrystalline mullite fibers and quartz fibers according to the mass ratio of 0.2-0.6: 0.5 to 0.8:1 are mixed and compounded.
The invention is further provided with: the preparation method of the first functional agent comprises the following steps:
according to the weight ratio of 0.3-0.4: 0.1 to 0.2:1, uniformly mixing glass powder, silicon carbide and glacial acetic acid according to the mass ratio;
then placing the mixture into a ball mill for ball milling for 90-100 min to obtain slurry with the median particle diameter smaller than 20 ㎛;
and (3) placing the slurry in a high-temperature furnace for calcination, and taking out and cooling after the calcination is completed to obtain the first functional agent.
The invention is further provided with: the calcination is divided into two stages, namely:
the first stage: calcining at 890-900 deg.c for 50-60 min;
and a second stage: calcining at 1100-1200 deg.c for 150-160 min.
The invention is further provided with: the preparation method of the second functional agent comprises the following steps:
fully mixing a proper amount of potato starch in deionized water at 55-60 ℃ according to a solid-to-liquid ratio of 0.012-0.016-g/mL, adding polyvinyl alcohol with the mass of 0.2% of that of the potato starch, and uniformly mixing to obtain a first product;
fully mixing the tree powder, the first product and borax according to the mass ratio of 4-5:12-13:1 to obtain a second product;
and uniformly mixing the second product and sodium bicarbonate according to the mass ratio of 4:1 at 50 ℃, naturally airing, and crushing to 80-100 meshes to obtain the second functional agent.
The invention is further provided with: the preparation method of the filler comprises the following steps:
melting stearic acid in a water bath, adding calcium silicate accounting for 10% of the mass of the stearic acid, and reacting at 60 ℃ for 30-40 min;
after the reaction, the mixture was filtered and dried at 80℃and then ground to 100 mesh to obtain a filler.
The invention is further provided with: the flocculant is any one of polyacrylamide, polyaluminum chloride or aluminum sulfate.
The invention is further provided with: the binding agent is any one of silicic acid hydrosol or acid hydrosol.
The invention is further provided with: the drying temperature in the step II is 120-130 ℃ and the drying time is 60-70 min.
The invention is further provided with: the calcination temperature in the step II is 1100-1200 ℃ and the calcination time is 30-90 min.
Compared with the prior art, the invention has the beneficial effects that:
the preparation process of the heat-insulating and noise-reducing ceramic fiber board provided by the invention takes ceramic fiber materials, a first functional agent, a second functional agent, fillers, flocculating agents, binding agents, deionized water and the like as raw materials, and the heat-insulating and noise-reducing ceramic fiber board is obtained by mixing the ceramic fiber materials, the first functional agent, the second functional agent, the fillers, the flocculating agents, the binding agents and the deionized water, dehydrating, forming, drying and calcining; the prepared ceramic fiber board not only can effectively reduce the heat conductivity coefficient to improve the heat preservation effect of the ceramic fiber board, but also can promote the realization of the noise reduction effect; but also has excellent flame retardant effect. Therefore, the preparation process of the heat-insulating noise-reducing ceramic fiber board provided by the invention has a wider market prospect and is more suitable for popularization.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a statistical graph of the thermal conductivity of the present invention;
FIG. 2 is a statistical plot of the noise ratio of the present invention;
FIG. 3 is a statistical chart of the refractory duration of the present invention.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one: the embodiment provides a preparation process of a thermal-insulation noise-reduction ceramic fiber board, which is prepared from the following raw materials in parts by weight: 50 parts of ceramic fiber material, 8 parts of first functional agent, 10 parts of second functional agent, 6 parts of filler, 15 parts of flocculating agent, 5 parts of bonding agent and 25 parts of deionized water.
Wherein, the ceramic fiber material is prepared from alumina fiber, polycrystalline mullite fiber and quartz fiber according to the mass ratio of 0.2:0.:1 are mixed and compounded.
In addition, the alumina fiber in the examples was purchased from new materials technology limited, keda, su; polycrystalline mullite fiber purchased from the new carbon materials Changzhou Co., ltd; quartz fiber procurement is from Innovative materials technology Co., ltd.
The preparation method of the first functional agent comprises the following steps:
according to 0.3:0.1:1, uniformly mixing glass powder, silicon carbide and glacial acetic acid according to the mass ratio;
ball milling for 90min in a ball mill to obtain slurry with the median particle diameter smaller than 20 ㎛;
and (3) placing the slurry in a high-temperature furnace for calcination, and taking out and cooling after the calcination is completed to obtain the first functional agent.
Further, the calcination is divided into two stages, namely:
the first stage: calcining at 890 ℃ for 50min;
and a second stage: calcining at 1100 deg.c for 150min.
The preparation method of the second functional agent comprises the following steps:
fully mixing a proper amount of potato starch in deionized water at 55 ℃ according to the solid-to-liquid ratio of 0.012 and g/mL, adding polyvinyl alcohol with the mass of 0.2% of that of the potato starch, and uniformly mixing to obtain a first product;
fully mixing the tree powder, the first product and borax according to the mass ratio of 4:12:1 to obtain a second product;
and uniformly mixing the second product and sodium bicarbonate according to the mass ratio of 4:1 at 50 ℃, naturally airing, and crushing to 80 meshes to obtain the second functional agent.
In addition, the preparation method of the filler comprises the following steps:
melting stearic acid in a water bath, adding calcium silicate accounting for 10% of the mass of the stearic acid, and reacting at 60 ℃ for 30min;
after the reaction, the mixture was filtered and dried at 80℃and then ground to 100 mesh to obtain a filler.
Wherein, the flocculant is polyacrylamide.
Wherein, the bonding agent is silicic acid hydrosol.
The preparation process of the heat-insulating noise-reducing ceramic fiber board provided by the embodiment comprises the following steps:
I. accurately weighing ceramic fiber material, first functional agent, second functional agent, filler, flocculant, binder and deionized water respectively, and mechanically mixing for 40min to obtain a mixture;
II. And (3) dehydrating and molding the obtained mixture to obtain a wet blank, and drying and calcining the wet blank to obtain the heat-insulating noise-reducing ceramic fiber board.
Further, the drying temperature was 120℃and the drying time was 60 minutes.
The calcination temperature was 1100℃and the calcination time was 30min.
Embodiment two: the embodiment provides a preparation process of a thermal-insulation noise-reduction ceramic fiber board, which is prepared from the following raw materials in parts by weight: 55 parts of ceramic fiber material, 10 parts of first functional agent, 12 parts of second functional agent, 8 parts of filler, 20 parts of flocculating agent, 6 parts of bonding agent and 30 parts of deionized water.
Wherein, the ceramic fiber material is prepared from alumina fiber, polycrystalline mullite fiber and quartz fiber according to the mass ratio of 0.4:0.6:1 are mixed and compounded.
In addition, the alumina fiber in the examples was purchased from new materials technology limited, keda, su; polycrystalline mullite fiber purchased from the new carbon materials Changzhou Co., ltd; quartz fiber procurement is from Innovative materials technology Co., ltd.
The preparation method of the first functional agent comprises the following steps:
according to 0.4:0.2:1, uniformly mixing glass powder, silicon carbide and glacial acetic acid according to the mass ratio;
ball milling for 95min in a ball mill to obtain slurry with the median particle diameter smaller than 20 ㎛;
and (3) placing the slurry in a high-temperature furnace for calcination, and taking out and cooling after the calcination is completed to obtain the first functional agent.
Further, the calcination is divided into two stages, namely:
the first stage: calcining at 895 ℃ for 55min;
and a second stage: calcining at 1150 deg.c for 155min.
The preparation method of the second functional agent comprises the following steps:
fully mixing a proper amount of potato starch in deionized water at 57 ℃ according to a solid-to-liquid ratio of 0.014/g/mL, adding polyvinyl alcohol with the mass of 0.2% of that of the potato starch, and uniformly mixing to obtain a first product;
fully mixing the tree powder, the first product and borax according to the mass ratio of 5:13:1 to obtain a second product;
and uniformly mixing the second product and sodium bicarbonate according to the mass ratio of 4:1 at 50 ℃, naturally airing, and crushing to 90 meshes to obtain the second functional agent.
In addition, the preparation method of the filler comprises the following steps:
melting stearic acid in a water bath, adding calcium silicate accounting for 10% of the mass of the stearic acid, and reacting at 60 ℃ for 35min;
after the reaction, the mixture was filtered and dried at 80℃and then ground to 100 mesh to obtain a filler.
Wherein, the flocculant is polyaluminum chloride.
Wherein, the bonding agent is silicic acid hydrosol.
The preparation process of the heat-insulating noise-reducing ceramic fiber board provided by the embodiment comprises the following steps:
I. accurately weighing ceramic fiber material, first functional agent, second functional agent, filler, flocculant, binder and deionized water respectively, and mechanically mixing for 45 min to obtain a mixture;
II. And (3) dehydrating and molding the obtained mixture to obtain a wet blank, and drying and calcining the wet blank to obtain the heat-insulating noise-reducing ceramic fiber board.
Further, the drying temperature was 125℃and the drying time was 65min.
The calcination temperature was 1150℃and the calcination time was 60min.
Embodiment III: the embodiment provides a preparation process of a thermal-insulation noise-reduction ceramic fiber board, which is prepared from the following raw materials in parts by weight: 60 parts of ceramic fiber material, 12 parts of first functional agent, 14 parts of second functional agent, 10 parts of filler, 25 parts of flocculating agent, 8 parts of bonding agent and 35 parts of deionized water.
Wherein, the ceramic fiber material is prepared from alumina fiber, polycrystalline mullite fiber and quartz fiber according to the mass ratio of 0.6:0.8:1 are mixed and compounded.
In addition, the alumina fiber in the examples was purchased from new materials technology limited, keda, su; polycrystalline mullite fiber purchased from the new carbon materials Changzhou Co., ltd; quartz fiber procurement is from Innovative materials technology Co., ltd.
The preparation method of the first functional agent comprises the following steps:
according to 0.4:0.2:1, uniformly mixing glass powder, silicon carbide and glacial acetic acid according to the mass ratio;
ball milling for 100min in a ball mill to obtain slurry with the median particle diameter smaller than 20 ㎛;
and (3) placing the slurry in a high-temperature furnace for calcination, and taking out and cooling after the calcination is completed to obtain the first functional agent.
Further, the calcination is divided into two stages, namely:
the first stage: calcining at 900 ℃ for 60min;
and a second stage: calcining at 1200 deg.c for 160min.
The preparation method of the second functional agent comprises the following steps:
fully mixing a proper amount of potato starch in deionized water at 60 ℃ according to a solid-to-liquid ratio of 0.016/g/mL, adding polyvinyl alcohol with the mass of 0.2% of that of the potato starch, and uniformly mixing to obtain a first product;
fully mixing the tree powder, the first product and borax according to the mass ratio of 5:13:1 to obtain a second product;
and uniformly mixing the second product and sodium bicarbonate according to the mass ratio of 4:1 at 50 ℃, naturally airing, and crushing to 100 meshes to obtain the second functional agent.
In addition, the preparation method of the filler comprises the following steps:
melting stearic acid in a water bath, adding calcium silicate accounting for 10% of the mass of the stearic acid, and reacting at 60 ℃ for 40min;
after the reaction, the mixture was filtered and dried at 80℃and then ground to 100 mesh to obtain a filler.
Wherein, the flocculating agent is aluminum sulfate.
Wherein the binding agent is acid hydrosol.
The preparation process of the heat-insulating noise-reducing ceramic fiber board provided by the embodiment comprises the following steps:
I. accurately weighing ceramic fiber material, first functional agent, second functional agent, filler, flocculant, binder and deionized water respectively, and mechanically mixing for 50min to obtain a mixture;
II. And (3) dehydrating and molding the obtained mixture to obtain a wet blank, and drying and calcining the wet blank to obtain the heat-insulating noise-reducing ceramic fiber board.
Further, the drying temperature was 130℃and the drying time was 70min.
The calcination temperature was 1200℃and the calcination time was 90min.
Comparative example one: the preparation process of the heat-insulating noise-reducing ceramic fiber board provided by the embodiment is approximately the same as that of the first embodiment, and the main difference is that: the first functional agent is absent in this embodiment.
Comparative example two: the preparation process of the heat-insulating noise-reducing ceramic fiber board provided by the embodiment is approximately the same as that of the first embodiment, and the main difference is that: the second functional agent is absent in this embodiment.
Comparative example three: the preparation process of the heat-insulating noise-reducing ceramic fiber board provided by the embodiment is approximately the same as that of the first embodiment, and the main difference is that: in this example, the filler was calcium silicate directly used.
And (3) effect test: ceramic fiber plates prepared by examples one to three in the present invention were respectively denoted as test examples 1 to 3; ceramic fiber plates prepared by comparative examples one to three; the performance of each equivalent set of ceramic fiber sheet samples was then separately tested.
Test 1, thermal insulation performance test and result analysis:
the thermal insulation performance of each group of ceramic fiber boards was tested according to the JC/T2510-2019 detection standard, and the relevant data are recorded in Table 1.
As can be seen from table 1 and fig. 1, the ceramic fiber plates of examples 1 to 3 have significantly low thermal conductivity, indicating that the ceramic fiber plates of examples 1 to 3 have excellent heat-insulating effect.
To verify the effect of the components of the present additive, tests of comparative examples 1 to 3 were set up.
The ceramic fiber boards of comparative group 1 and example 1 differ primarily in the absence of the first functional agent. The thermal conductivity of the comparative group 1 was found to be increased by 0.19W/(m×k) compared to the example 1 group. The results indicate that the first functional agent plays an important role in reducing the thermal conductivity of the ceramic fiber board.
The ceramic fiber boards of comparative group 2 and example 1 differ primarily in the absence of the second functional agent. The thermal conductivity of the comparative group 2 was found to be increased by 0.14W/(m×k) compared to the example 1 group. The results indicate that the second functional agent plays a role in reducing the thermal conductivity of the ceramic fiber board.
The ceramic fiber boards of comparative group 3 and example 1 differ primarily in that the filler is directly replaced with calcium silicate. The thermal conductivity of the comparative group 3 was found to be increased by 0.01W/(m×k) compared to the group of example 1. The results indicate that the filler has little effect on reducing the thermal conductivity of the ceramic fiber board.
Test 2, noise reduction test and result analysis:
the testing method comprises the following steps: the sound insulation effect of each group of ceramic fiber boards on sound waves is tested by adopting double-sound analysis, specifically, reflection and transmission sound pressure of the sound waves on the surface of a material are tested by using two microphones, and acoustic parameters of the material are calculated by using a transfer function method to obtain a sound absorption ratio so as to reflect the sound insulation performance of the prepared fiber boards. The relevant data are recorded in table 2.
As can be seen from table 2 and fig. 3, the ceramic fiber plates of examples 1 to 3 have a high noise ratio, indicating that the ceramic fiber plates of examples 1 to 3 have a good noise reduction effect.
To verify the effect of the components of the present additive, tests of comparative examples 1 to 3 were set up.
The ceramic fiber boards of comparative group 1 and example 1 differ primarily in the absence of the first functional agent. The noise ratio was found to be reduced by 0.2 for the comparative group 1 compared to the example group 1. The results indicate that the first functional agent plays a role in the noise reduction performance of the ceramic fiber board.
The ceramic fiber boards of comparative group 2 and example 1 differ primarily in the absence of the second functional agent. The noise ratio was found to be reduced by 0.25 for the comparative group 2 compared to the example 1 group. The results indicate that the second functional agent plays an important role in the noise reduction performance of the ceramic fiber board.
The ceramic fiber boards of comparative group 3 and example 1 differ primarily in that the filler is directly replaced with calcium silicate. The noise ratio was found to be reduced by 0.1 for the comparative group 3 compared to the example 1 group. The results indicate that the filler has an effect on the noise reduction performance of the ceramic fiber board.
Test 3, flame retardant property test and result analysis:
the ceramic fiber plates of each group were tested for flame retardant properties according to the test standard of GB/T9978 and the relevant data are recorded in Table 3.
As can be seen from Table 3 and FIG. 3, the ceramic fiber plates of examples 1 to 3 have a longer fire-resistant duration, indicating that the ceramic fiber plates of examples 1 to 3 have a better fire-retardant effect.
To verify the effect of the components of the present additive, tests of comparative examples 1 to 3 were set up.
The ceramic fiber boards of comparative group 1 and example 1 differ primarily in the absence of the first functional agent. The refractory duration of the comparative group 1 was found to be reduced by 10 minutes compared to the example 1 group. The results indicate that the first functional agent has an effect on the flame retardant properties of the ceramic fiber board.
The ceramic fiber boards of comparative group 2 and example 1 differ primarily in the absence of the second functional agent. The refractory duration of the comparative group 2 was found to be reduced by 7min compared to the group of example 1. The results indicate that the second functional agent also has an effect on the flame retardant properties of the ceramic fiber board.
The ceramic fiber boards of comparative group 3 and example 1 differ primarily in that the filler is directly replaced with calcium silicate. The refractory duration of the control group 3 was found to be reduced by 15 minutes compared to the example 1 group. The results indicate that the filler plays an important role in the flame retardant properties of the ceramic fiber board.
From the above, the preparation process of the thermal insulation and noise reduction ceramic fiber board provided by the invention can effectively reduce the heat conductivity coefficient of the ceramic fiber board, improve the thermal insulation effect of the ceramic fiber board and promote the effect of noise reduction; but also has excellent flame retardant effect. Therefore, the preparation process of the heat-insulating noise-reducing ceramic fiber board provided by the invention has a wider market prospect and is more suitable for popularization.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (5)
1. A preparation process of a heat-insulating noise-reducing ceramic fiber board is characterized by comprising the following steps of: the heat-insulating noise-reducing ceramic fiber board is prepared from the following raw materials in parts by weight: 50-60 parts of ceramic fiber material, 8-12 parts of first functional agent, 10-14 parts of second functional agent, 6-10 parts of filler, 15-25 parts of flocculant, 5-8 parts of bonding agent and 25-35 parts of deionized water;
the preparation method of the first functional agent comprises the following steps:
according to the weight ratio of 0.3-0.4: 0.1 to 0.2:1, uniformly mixing glass powder, silicon carbide and glacial acetic acid according to the mass ratio;
then placing the mixture into a ball mill for ball milling for 90-100 min to obtain slurry with the median particle diameter smaller than 20 ㎛;
calcining the slurry in a high-temperature furnace, and taking out and cooling after the calcining is completed to obtain a first functional agent;
the calcination is divided into two stages, namely:
the first stage: calcining at 890-900 deg.c for 50-60 min;
and a second stage: calcining at 1100-1200 deg.c for 150-160 min;
the preparation method of the second functional agent comprises the following steps:
fully mixing a proper amount of potato starch in deionized water at 55-60 ℃ according to a solid-to-liquid ratio of 0.012-0.016-g/mL, adding polyvinyl alcohol with the mass of 0.2% of that of the potato starch, and uniformly mixing to obtain a first product;
fully mixing the tree powder, the first product and borax according to the mass ratio of 4-5:12-13:1 to obtain a second product;
uniformly mixing the second product and sodium bicarbonate according to the mass ratio of 4:1 at 50 ℃, naturally airing, and crushing to 80-100 meshes to obtain a second functional agent;
the preparation method of the filler comprises the following steps:
melting stearic acid in a water bath, adding calcium silicate accounting for 10% of the mass of the stearic acid, and reacting at 60 ℃ for 30-40 min;
after the reaction is finished, filtering and drying at the temperature of 80 ℃, and then grinding to 100 meshes to obtain a filler;
the preparation process of the heat-insulating noise-reducing ceramic fiber board comprises the following steps of:
I. accurately weighing ceramic fiber material, first functional agent, second functional agent, filler, flocculant, binder and deionized water respectively, and mechanically mixing for 40-50 min to obtain a mixture;
II. Dehydrating and molding the obtained mixture to obtain a wet blank, and drying and calcining the wet blank to obtain the heat-insulating and noise-reducing ceramic fiber board;
the calcination temperature is 1100-1200 ℃ and the calcination time is 30-90 min.
2. The process for preparing the thermal insulation and noise reduction ceramic fiber board according to claim 1, which is characterized in that: the ceramic fiber material is prepared from alumina fibers, polycrystalline mullite fibers and quartz fibers according to the mass ratio of 0.2-0.6: 0.5 to 0.8:1 are mixed and compounded.
3. The process for preparing the thermal insulation and noise reduction ceramic fiber board according to claim 1, which is characterized in that: the flocculant is any one of polyacrylamide, polyaluminum chloride or aluminum sulfate.
4. The process for preparing the thermal insulation and noise reduction ceramic fiber board according to claim 1, which is characterized in that: the binding agent is any one of silicic acid hydrosol or acid hydrosol.
5. The process for preparing the thermal insulation and noise reduction ceramic fiber board according to claim 1, which is characterized in that: the drying temperature in the step II is 120-130 ℃ and the drying time is 60-70 min.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT8903U2 (en) * | 2005-11-02 | 2007-02-15 | Soern Jyhs | MATERIAL FOR HEAT INSULATION AND SIGNAL PRESENTATION |
| CN102476942A (en) * | 2010-11-23 | 2012-05-30 | 山东鲁阳股份有限公司 | Inorganic combined ceramic fiberboard |
| CN104446222A (en) * | 2014-12-15 | 2015-03-25 | 山东鲁阳股份有限公司 | Ceramic fiber plate and preparation method thereof |
| CN107417150A (en) * | 2017-09-04 | 2017-12-01 | 广东清大同科环保技术有限公司 | A kind of high-strength light high-content fly ash haydite and preparation method thereof |
| CN110002813A (en) * | 2018-05-25 | 2019-07-12 | 佛山市高明区爪和新材料科技有限公司 | A kind of preparation method of modified fibre base core material of vacuum heat insulation plate |
| CN112374818A (en) * | 2020-11-27 | 2021-02-19 | 山东鲁阳节能材料股份有限公司 | High-density ceramic fiber board with use temperature of more than 1100 ℃ and preparation method thereof |
-
2023
- 2023-10-13 CN CN202311321978.3A patent/CN117069506B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT8903U2 (en) * | 2005-11-02 | 2007-02-15 | Soern Jyhs | MATERIAL FOR HEAT INSULATION AND SIGNAL PRESENTATION |
| CN102476942A (en) * | 2010-11-23 | 2012-05-30 | 山东鲁阳股份有限公司 | Inorganic combined ceramic fiberboard |
| CN104446222A (en) * | 2014-12-15 | 2015-03-25 | 山东鲁阳股份有限公司 | Ceramic fiber plate and preparation method thereof |
| CN107417150A (en) * | 2017-09-04 | 2017-12-01 | 广东清大同科环保技术有限公司 | A kind of high-strength light high-content fly ash haydite and preparation method thereof |
| CN110002813A (en) * | 2018-05-25 | 2019-07-12 | 佛山市高明区爪和新材料科技有限公司 | A kind of preparation method of modified fibre base core material of vacuum heat insulation plate |
| CN112374818A (en) * | 2020-11-27 | 2021-02-19 | 山东鲁阳节能材料股份有限公司 | High-density ceramic fiber board with use temperature of more than 1100 ℃ and preparation method thereof |
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