CN115353411A - Foamed ceramic sound insulation material and preparation method thereof - Google Patents
Foamed ceramic sound insulation material and preparation method thereof Download PDFInfo
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- 239000012774 insulation material Substances 0.000 title claims abstract description 54
- 239000000919 ceramic Substances 0.000 title claims abstract description 53
- 238000002360 preparation method Methods 0.000 title claims abstract description 6
- 239000000463 material Substances 0.000 claims abstract description 79
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 46
- 239000000835 fiber Substances 0.000 claims abstract description 42
- 239000010883 coal ash Substances 0.000 claims abstract description 30
- 239000002245 particle Substances 0.000 claims abstract description 27
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 23
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 23
- 239000000853 adhesive Substances 0.000 claims abstract description 22
- 230000001070 adhesive effect Effects 0.000 claims abstract description 22
- 239000003365 glass fiber Substances 0.000 claims abstract description 21
- 239000003822 epoxy resin Substances 0.000 claims abstract description 20
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 20
- 238000009413 insulation Methods 0.000 claims abstract description 17
- 239000004088 foaming agent Substances 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 14
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000000440 bentonite Substances 0.000 claims abstract description 12
- 229910000278 bentonite Inorganic materials 0.000 claims abstract description 12
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000005187 foaming Methods 0.000 claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 claims abstract description 11
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 6
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 6
- 238000002156 mixing Methods 0.000 claims description 77
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 14
- 238000000227 grinding Methods 0.000 claims description 12
- 238000007605 air drying Methods 0.000 claims description 10
- QKSIFUGZHOUETI-UHFFFAOYSA-N copper;azane Chemical compound N.N.N.N.[Cu+2] QKSIFUGZHOUETI-UHFFFAOYSA-N 0.000 claims description 10
- 229920000747 poly(lactic acid) Polymers 0.000 claims description 10
- 239000004626 polylactic acid Substances 0.000 claims description 10
- 239000000047 product Substances 0.000 claims description 9
- 239000008367 deionised water Substances 0.000 claims description 7
- 229910021641 deionized water Inorganic materials 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- 239000012466 permeate Substances 0.000 claims description 7
- 239000000843 powder Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000006260 foam Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 238000004806 packaging method and process Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 238000007873 sieving Methods 0.000 claims description 5
- 239000011810 insulating material Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 2
- 239000002994 raw material Substances 0.000 abstract description 13
- 230000007797 corrosion Effects 0.000 abstract description 7
- 238000005260 corrosion Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 7
- 230000035939 shock Effects 0.000 abstract description 7
- 238000010521 absorption reaction Methods 0.000 description 11
- 230000008030 elimination Effects 0.000 description 8
- 238000003379 elimination reaction Methods 0.000 description 8
- 229910010293 ceramic material Inorganic materials 0.000 description 6
- 238000004378 air conditioning Methods 0.000 description 4
- 230000003628 erosive effect Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000002955 isolation Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/10—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B26/14—Polyepoxides
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/40—Porous or lightweight materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/52—Sound-insulating materials
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The invention discloses a foamed ceramic sound insulation material and a preparation method thereof, belonging to the technical field of sound insulation materials and comprising the following materials: ceramic particles, plant fibers, glass fibers, silicon dioxide, bentonite, coal ash, epoxy resin, a foaming agent, a heat insulation material and an adhesive; the invention adopts ceramic raw materials for production, has the characteristics of three-dimensional structural materials, high open porosity, weather resistance, corrosion resistance, heat resistance, shock resistance and the like, and meanwhile, the raw materials are also internally provided with heat insulation materials, so that the heat insulation performance of a finished product can be effectively improved, the whole application range of the finished product is improved, meanwhile, the production method is internally provided with a foaming process, carbon dioxide gas is also introduced into the raw materials after foaming, high-speed circulating airflow can form a plurality of air passages in the raw materials, the air passages can form different micropores in the raw materials and are matched with foaming, the number of the micropores in the materials and the fine density of the micropores can be effectively improved, and the sound insulation effect of the whole finished product is improved.
Description
Technical Field
The invention belongs to the technical field of sound insulation materials, and particularly relates to a foamed ceramic sound insulation material and a preparation method thereof.
Background
Noise is a recognized pollution source, noise refers to all irregular signals, such as electromagnetic noise, thermal noise, noise during radio transmission, laser noise, optical fiber communication noise, noise of pictures when pictures are taken by a camera, and the like, noise also refers to noise which can cause discomfort of a human body, when the noise has adverse effects on people and the surrounding environment, noise pollution is formed, and in order to isolate the noise well, noise isolation materials are generally adopted for noise isolation.
At present, ceramic raw materials are not adopted in the sound insulation material, the service life of the whole sound insulation material is short, simultaneously, weather resistance is changed, corrosion resistance and heat resistance and shock resistance are poor, heat insulation materials are not adopted in production raw materials, the heat insulation performance of the whole sound insulation material is not guaranteed, the application range of the sound insulation material is limited, meanwhile, in the production process, a foaming process is adopted, the sound insulation material is enabled to have a porous structure, other processing is not carried out, the fineness and the compactness of the porous structure in the sound insulation material are low, the final application effect of the sound insulation material is poor, and certain improvement is carried out.
Disclosure of Invention
The invention aims to: the foamed ceramic sound insulation material and the preparation method thereof are provided in order to solve the problems that the service life of the whole sound insulation material is short, the weather change resistance, the corrosion resistance, the heat resistance and the shock resistance are poor, the heat insulation performance of the whole sound insulation material cannot be guaranteed due to the fact that a heat insulation material is not adopted in production raw materials, and the application range of the sound insulation material is limited.
In order to achieve the purpose, the invention adopts the following technical scheme: a foamed ceramic sound insulating material comprising the following materials: ceramic particles, plant fibers, glass fibers, silicon dioxide, bentonite, coal ash, epoxy resin, a foaming agent, a heat insulation material and an adhesive.
As a further description of the above technical solution:
the ceramic particles, the plant fibers, the glass fibers, the silicon dioxide, the bentonite, the coal ash, the epoxy resin, the foaming agent, the heat insulation material and the adhesive are 15-25 parts, 10-15 parts, 8-10 parts, 3-8 parts, 8-12 parts, 3-5 parts, 10-12 parts, 5-7 parts, 8-10 parts and 4-7 parts respectively in parts by weight.
Also disclosed herein is a method for preparing a foamed ceramic sound insulating material, comprising the steps of:
s1, placing ceramic particles, silicon dioxide and coal ash into a grinding device, grinding the ceramic particles, the silicon dioxide and the coal ash, sieving the ground ceramic particles, the silicon dioxide and the coal ash, and collecting powder;
s2, placing the plant fibers and the glass fibers in a mixing kettle, adding dilute sulfuric acid with a certain concentration, simultaneously increasing the temperature in a mixing device, and mixing the plant fibers and the glass fibers;
s3, gradually increasing the temperature in the mixing kettle until the liquid in the mixing kettle is evaporated;
s4, placing the epoxy resin into a mixing kettle, and continuously increasing the temperature in the mixing kettle to melt the epoxy resin;
s5, gradually adding the heat insulation material, the bentonite and the coal ash into the mixing kettle, then adding a certain amount of deionized water into the mixing kettle, and keeping the temperature and the rotating speed for mixing and stirring;
s6, after a period of time, adding a foaming agent into the mixing kettle, foaming the mixed material, and after the mixed material is foamed, introducing gas into the mixing kettle for a period of time;
s7, guiding the mixed material out of the forming die, waiting for the mixed material to be naturally cooled, placing the mixed material in air drying equipment, and carrying out air drying treatment;
s8, taking out the air-dried material, dropwise adding the adhesive on the surface of the material for multiple times to enable the adhesive to naturally permeate, and waiting for a period of time;
and S9, taking down the finished product, and sealing the film for packaging.
As a further description of the above technical solution:
in the step S1, ceramic particles, silicon dioxide and coal ash are taken and placed in a grinding device, the ceramic particles, the silicon dioxide and the coal ash are ground, and then are sieved by a 120-140-mesh sieve, and powder is collected.
As a further description of the above technical solution:
and in the S2, the plant fiber and the glass fiber are placed in a mixing device, 8-10% dilute sulfuric acid is added inwards, the temperature in the mixing device is increased to 50-70 ℃, and the plant fiber and the glass fiber are mixed.
As a further description of the above technical solution:
and in the S3, gradually increasing the temperature in the mixing kettle to 90-100 ℃ until the liquid in the mixing kettle is evaporated.
As a further description of the above technical solution:
and in the S4, placing the epoxy resin in the mixing kettle, and continuously increasing the temperature in the mixing kettle to 135-145 ℃ to melt the epoxy resin.
As a further description of the above technical solution:
in the step S5, heat insulation materials, bentonite and coal ash are gradually added into a mixing kettle, deionized water accounting for 10-12% of the total mass of the mixed materials is added into the mixing kettle, the temperature is kept and the mixed materials are mixed and stirred at the rotating speed of 800-1000r/min, wherein the heat insulation materials are specifically mixed materials of polylactic acid fibers and copper ammonia fibers, and the polylactic acid fibers and the copper ammonia fibers comprise the following components in percentage by weight: 3:2.
as a further description of the above technical solution:
in the S6, after 35-45min, adding a foaming agent into the mixing kettle, carrying out foaming treatment on the mixed material, and after the mixed material is foamed, introducing carbon dioxide gas into the mixing kettle for 5-7min.
As a further description of the above technical solution:
and in the S8, taking out the air-dried material, dropwise adding the adhesive on the surface of the material for 5-8 times to enable the adhesive to naturally permeate, and waiting for 5-10min.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
the method adopts ceramic raw materials for production, and has the characteristics of three-dimensional structural materials, high open porosity, weather resistance, corrosion resistance, heat resistance, shock resistance and the like. Can endure the erosion of wind, sunshine and rain without deformation and rupture, and can not change the net structure. Meanwhile, the material has a resonance sound absorption structure, the sound absorption effect cannot be influenced after surface beautifying treatment, meanwhile, heat insulation materials are also arranged in the raw materials, the heat insulation performance of a finished product can be effectively improved, the whole application range of the material is improved, the material can be widely used for noise elimination and sound insulation screens of urban viaducts, rail railways, subways, tunnels, construction sites, outdoor transformers and the like, and can also be used for noise elimination and noise reduction projects of entertainment places, diesel generating sets and air conditioning units.
Drawings
FIG. 1 is a flow chart of a method of making a ceramic foam sound insulation.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The invention provides a technical scheme that: a foamed ceramic acoustical insulation comprising the following materials: 15-25 parts of ceramic particles, 10-15 parts of plant fibers, 8-10 parts of glass fibers, 3-8 parts of foaming agents, 8-12 parts of heat insulation materials and 4-7 parts of adhesives.
Referring to fig. 1, a method for preparing a foamed ceramic sound insulation material is also disclosed, which comprises the following steps:
s1, placing ceramic particles, silicon dioxide and coal ash into a grinding device, grinding the ceramic particles, the silicon dioxide and the coal ash, sieving the ground ceramic particles with a 120-mesh sieve, and collecting powder;
s2, placing the plant fibers and the glass fibers in a mixing device, adding 8-10% dilute sulfuric acid inwards, simultaneously increasing the temperature in the mixing device to 50 ℃, and mixing the plant fibers and the glass fibers;
s3, gradually increasing the temperature in the mixing kettle to 90 ℃ until the liquid in the mixing kettle is evaporated;
s4, placing the epoxy resin into a mixing kettle, and continuously increasing the temperature in the mixing kettle to 135 ℃ to melt the epoxy resin;
s5, gradually adding a heat insulation material, bentonite and coal ash into a mixing kettle, then adding deionized water accounting for 10% of the total mass of the mixed materials, keeping the temperature and the rotating speed of 800r/min, and carrying out mixing and stirring treatment, wherein the heat insulation material is specifically a mixed material of polylactic acid fibers and copper ammonia fibers, and the polylactic acid fibers and the copper ammonia fibers comprise the following components in percentage by weight: 3:2;
s6, after 35min, adding a foaming agent into the mixing kettle, carrying out foaming treatment on the mixed material, and after the mixed material is foamed, introducing carbon dioxide gas into the mixing kettle for 5min;
s7, guiding the mixed material out of the forming die, waiting for the mixed material to be naturally cooled, placing the mixed material in air drying equipment, and carrying out air drying treatment;
s8, taking out the air-dried material, dropwise adding the adhesive on the surface of the material for 5 times to enable the adhesive to naturally permeate, and waiting for 5min;
and S9, taking down the finished product, and sealing the film for packaging.
In the embodiment, the ceramic material is adopted for production, and the ceramic material has the characteristics of three-dimensional structural materials, high open porosity, weather resistance, corrosion resistance, heat resistance, shock resistance and the like. Can endure the erosion of wind, sunshine and rain without deformation and rupture, and can not change the net structure. Meanwhile, the material has a resonance sound absorption structure, the sound absorption effect cannot be influenced after surface beautifying treatment, meanwhile, heat insulation materials are also arranged in the raw materials, the heat insulation performance of a finished product can be effectively improved, the whole application range of the material is improved, the material can be widely used for noise elimination and sound insulation screens of urban viaducts, rail railways, subways, tunnels, construction sites, outdoor transformers and the like, and can also be used for noise elimination and noise reduction projects of entertainment places, diesel generating sets and air conditioning units.
Example 2
The invention provides a technical scheme that: a foamed ceramic acoustical insulation comprising the following materials: 15-25 parts of ceramic particles, 10-15 parts of plant fibers, 8-10 parts of glass fibers, 3-8 parts of foaming agents, 8-12 parts of heat insulation materials and 4-7 parts of adhesives.
Referring to fig. 1, a method for preparing a foamed ceramic sound insulation material is also disclosed, which comprises the following steps:
s1, placing ceramic particles, silicon dioxide and coal ash into a grinding device, grinding the ceramic particles, the silicon dioxide and the coal ash, sieving the ground ceramic particles, the silicon dioxide and the coal ash with a 130-mesh sieve, and collecting powder;
s2, placing the plant fibers and the glass fibers in a mixing device, adding 9% dilute sulfuric acid inwards, simultaneously increasing the temperature in the mixing device to 60 ℃, and mixing the plant fibers and the glass fibers;
s3, gradually increasing the temperature in the mixing kettle to 95 ℃ until the liquid in the mixing kettle is evaporated;
s4, placing the epoxy resin into a mixing kettle, and continuously increasing the temperature in the mixing kettle to 140 ℃ to melt the epoxy resin;
s5, gradually adding heat insulation materials, bentonite and coal ash into a mixing kettle, then adding deionized water accounting for 11% of the total mass of the mixed materials, keeping the temperature and the rotating speed of 900r/min for mixing and stirring, wherein the heat insulation materials are specifically mixed materials of polylactic acid fibers and copper ammonia fibers, and the polylactic acid fibers and the copper ammonia fibers comprise the following components in percentage by weight: 3:2;
s6, after 35-45min, adding a foaming agent into the mixing kettle, carrying out foaming treatment on the mixed material, and after the mixed material is foamed, introducing carbon dioxide gas into the mixing kettle for 6min;
s7, guiding the mixed material out of the forming die, waiting for the mixed material to be naturally cooled, placing the mixed material in air drying equipment, and carrying out air drying treatment;
s8, taking out the air-dried material, dropwise adding the adhesive on the surface of the material for 7 times to enable the adhesive to naturally permeate, and waiting for 8min;
and S9, taking down the finished product, and sealing the film and packaging.
In the embodiment, the ceramic material is adopted for production, and the ceramic material has the characteristics of three-dimensional structural materials, high open porosity, weather resistance, corrosion resistance, heat resistance, shock resistance and the like. Can endure the erosion of wind, sun and rain without deformation and rupture, and does not change the net structure. Meanwhile, the material has a resonance sound absorption structure, the sound absorption effect cannot be influenced after surface beautifying treatment, meanwhile, heat insulation materials are also arranged in the raw materials, the heat insulation performance of a finished product can be effectively improved, the whole application range of the material is improved, the material can be widely used for noise elimination and sound insulation screens of urban viaducts, rail railways, subways, tunnels, construction sites, outdoor transformers and the like, and can also be used for noise elimination and noise reduction projects of entertainment places, diesel generating sets and air conditioning units.
Example 3
The invention provides a technical scheme that: a foamed ceramic acoustical insulation comprising the following materials: 15-25 parts of ceramic particles, 10-15 parts of plant fibers, 8-10 parts of epoxy resin, 3-8 parts of foaming agent, 8-12 parts of heat insulation material and 4-7 parts of adhesive, wherein the parts by weight of the foaming agent are respectively 15-25 parts, 10-15 parts, 8-10 parts, 3-8 parts, 8-12 parts, 3-5 parts, 10-12 parts, 5-7 parts, 8-10 parts and 4-7 parts.
Referring to fig. 1, a method for preparing a foamed ceramic sound insulation material is also disclosed, which comprises the following steps:
s1, placing ceramic particles, silicon dioxide and coal ash into a grinding device, grinding the ceramic particles, the silicon dioxide and the coal ash, sieving the ground ceramic particles, the silicon dioxide and the coal ash with a 140-mesh sieve, and collecting powder;
s2, placing the plant fibers and the glass fibers in a mixing device, adding 10% dilute sulfuric acid, simultaneously increasing the temperature in the mixing device to 70 ℃, and mixing the plant fibers and the glass fibers;
s3, gradually increasing the temperature in the mixing kettle to 100 ℃ until the liquid in the mixing kettle is evaporated;
s4, placing the epoxy resin in a mixing kettle, and continuously increasing the temperature in the mixing kettle to 145 ℃ to melt the epoxy resin;
s5, gradually adding a heat insulation material, bentonite and coal ash into a mixing kettle, then adding deionized water accounting for 12% of the total mass of the mixed materials, keeping the temperature and the rotating speed of 1000r/min, and carrying out mixing and stirring treatment, wherein the heat insulation material is specifically a mixed material of polylactic acid fibers and copper ammonia fibers, and the polylactic acid fibers and the copper ammonia fibers comprise the following components in percentage by weight: 3:2;
s6, after 45min, adding a foaming agent into the mixing kettle, carrying out foaming treatment on the mixed material, and after the mixed material is foamed, introducing carbon dioxide gas into the mixing kettle for 7min;
s7, guiding the mixed material into a forming die, waiting for the natural cooling of the mixed material, placing the mixed material into air drying equipment, and carrying out air drying treatment;
s8, taking out the air-dried material, dropwise adding the adhesive on the surface of the material for 5-8 times to enable the adhesive to naturally permeate, and waiting for 10min;
and S9, taking down the finished product, and sealing the film for packaging.
In the embodiment, the ceramic material is adopted for production, and the ceramic material has the characteristics of three-dimensional structural materials, high open porosity, weather resistance, corrosion resistance, heat resistance, shock resistance and the like. Can endure the erosion of wind, sunshine and rain without deformation and rupture, and can not change the net structure. Meanwhile, the sound absorption material has a resonance sound absorption structure, the sound absorption effect cannot be influenced after surface beautification treatment, meanwhile, the heat insulation material is also arranged in the raw material, the heat insulation performance of a finished product can be effectively improved, the whole application range of the sound absorption material is improved, the sound absorption material can be widely used for noise elimination and sound insulation screens of urban viaducts, railway tracks, subways, tunnels, building construction sites, outdoor transformers and the like, and can also be used for noise elimination and noise reduction projects of entertainment places, diesel generating sets and air conditioning units.
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 considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. A foamed ceramic sound insulation material is characterized in that: comprises the following materials: ceramic particles, plant fibers, glass fibers, silicon dioxide, bentonite, coal ash, epoxy resin, a foaming agent, a heat insulation material and an adhesive.
2. The foamed ceramic acoustical insulation of claim 1, wherein: the weight portions of the ceramic particles, the plant fibers, the glass fibers, the silicon dioxide, the bentonite, the coal ash, the epoxy resin, the foaming agent, the heat insulation material and the adhesive are respectively 15-25 parts, 10-15 parts, 8-10 parts, 3-8 parts, 8-12 parts, 3-5 parts, 10-12 parts, 5-7 parts, 8-10 parts and 4-7 parts.
3. The method for producing a ceramic foam sound-insulating material according to any one of claims 1 to 2, characterized in that: the method comprises the following steps:
s1, placing ceramic particles, silicon dioxide and coal ash into a grinding device, grinding the ceramic particles, the silicon dioxide and the coal ash, sieving the ground ceramic particles, the silicon dioxide and the coal ash, and collecting powder;
s2, placing the plant fibers and the glass fibers in a mixing kettle, adding dilute sulfuric acid with a certain concentration, simultaneously increasing the temperature in a mixing device, and mixing the plant fibers and the glass fibers;
s3, gradually increasing the temperature in the mixing kettle until the liquid in the mixing kettle is evaporated;
s4, placing the epoxy resin into a mixing kettle, and continuously increasing the temperature in the mixing kettle to melt the epoxy resin;
s5, gradually adding heat insulation materials, bentonite and coal ash into the mixing kettle, adding a certain amount of deionized water, and keeping the temperature and the rotating speed for mixing and stirring;
s6, after a period of time, adding a foaming agent into the mixing kettle, foaming the mixed material, and after the mixed material is foamed, introducing gas into the mixing kettle for a period of time;
s7, guiding the mixed material into a forming die, waiting for the natural cooling of the mixed material, placing the mixed material into air drying equipment, and carrying out air drying treatment;
s8, taking out the air-dried material, dropwise adding the adhesive on the surface of the material for multiple times to enable the adhesive to naturally permeate, and waiting for a period of time;
and S9, taking down the finished product, and sealing the film for packaging.
4. The method for preparing a ceramic foam sound insulation material according to claim 3, wherein in the step S1, the ceramic particles, the silicon dioxide and the coal ash are taken and placed in a grinding device, the ceramic particles, the silicon dioxide and the coal ash are ground, and then are sieved by a 120-140-mesh sieve, and the powder is collected.
5. The method of claim 3, wherein in the step S2, the plant fiber and the glass fiber are taken and placed in a mixing device, 8-10% dilute sulfuric acid is added, and the temperature in the mixing device is increased to 50-70 ℃ to mix the plant fiber and the glass fiber.
6. The method for preparing a ceramic foam sound insulation material according to claim 3, wherein in the step S3, the temperature in the mixing kettle is gradually increased to 90-100 ℃ until the liquid in the mixing kettle is evaporated.
7. The method for preparing a ceramic foam sound insulation material according to claim 3, wherein in S4, the epoxy resin is taken and placed in a mixing kettle, and the temperature in the mixing kettle is continuously increased to 135-145 ℃ to melt the epoxy resin.
8. The preparation method of the foamed ceramic sound insulation material according to claim 3, wherein in the step S5, the heat insulation material, the bentonite and the coal ash are gradually added into a mixing kettle, deionized water accounting for 10-12% of the total mass of the mixed materials is added into the mixing kettle, the temperature is kept at 800-1000r/min, and the mixing and stirring treatment are carried out, wherein the heat insulation material is a mixed material of polylactic acid fibers and copper ammonia fibers, and the polylactic acid fibers and the copper ammonia fibers comprise the following components in percentage by weight: 3:2.
9. the method for preparing a foamed ceramic sound insulation material according to claim 3, wherein in the step S6, after 35-45min, a foaming agent is added into a mixing kettle, the mixed material is subjected to foaming treatment, and after the mixed material is foamed, carbon dioxide gas is introduced into the mixing kettle for 5-7min.
10. The method for preparing a ceramic foam sound insulation material according to claim 3, wherein in S8, the air-dried material is taken out, the adhesive is dripped on the surface of the material 5 to 8 times to allow the adhesive to naturally permeate, and the time is 5 to 10 minutes.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008123671A2 (en) * | 2007-04-04 | 2008-10-16 | Sem Co., Ltd. | Ceramic foam and method for manufacturing it |
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| EP3006417A1 (en) * | 2014-10-09 | 2016-04-13 | Glaztec'h | New porous rigid mineral foams and their uses |
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Application publication date: 20221118 |