CN114230308A - Novel light heat-insulating refractory material based on talcum powder and production method thereof - Google Patents
Novel light heat-insulating refractory material based on talcum powder and production method thereof Download PDFInfo
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- CN114230308A CN114230308A CN202111675109.1A CN202111675109A CN114230308A CN 114230308 A CN114230308 A CN 114230308A CN 202111675109 A CN202111675109 A CN 202111675109A CN 114230308 A CN114230308 A CN 114230308A
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- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 title claims abstract description 62
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 239000011819 refractory material Substances 0.000 title claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 44
- 239000004568 cement Substances 0.000 claims abstract description 33
- RGPUVZXXZFNFBF-UHFFFAOYSA-K diphosphonooxyalumanyl dihydrogen phosphate Chemical compound [Al+3].OP(O)([O-])=O.OP(O)([O-])=O.OP(O)([O-])=O RGPUVZXXZFNFBF-UHFFFAOYSA-K 0.000 claims abstract description 33
- 239000011230 binding agent Substances 0.000 claims abstract description 6
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 6
- 239000004088 foaming agent Substances 0.000 claims abstract description 6
- 150000003377 silicon compounds Chemical class 0.000 claims abstract description 6
- 239000000126 substance Substances 0.000 claims description 39
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 19
- 238000002156 mixing Methods 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 9
- 238000005303 weighing Methods 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- 238000005034 decoration Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 230000018044 dehydration Effects 0.000 claims description 3
- 238000006297 dehydration reaction Methods 0.000 claims description 3
- 239000011343 solid material Substances 0.000 claims description 3
- 238000007711 solidification Methods 0.000 claims description 3
- 230000008023 solidification Effects 0.000 claims description 3
- 230000009970 fire resistant effect Effects 0.000 claims description 2
- 238000004321 preservation Methods 0.000 abstract description 7
- 238000009413 insulation Methods 0.000 abstract description 6
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 238000005245 sintering Methods 0.000 abstract description 5
- 239000006260 foam Substances 0.000 abstract description 4
- 229910019142 PO4 Inorganic materials 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 239000010452 phosphate Substances 0.000 abstract description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 abstract description 3
- 238000002485 combustion reaction Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 239000011449 brick Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- 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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/34—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing cold phosphate binders
- C04B28/344—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing cold phosphate binders the phosphate binder being present in the starting composition solely as one or more phosphates
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/131—Inorganic additives
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/6303—Inorganic additives
- C04B35/6306—Binders based on phosphoric acids or phosphates
- C04B35/6309—Aluminium phosphates
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/66—Monolithic refractories or refractory mortars, including those whether or not containing clay
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/02—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding chemical blowing agents
-
- 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
- C04B2111/00431—Refractory 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
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
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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
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Porous Artificial Stone Or Porous Ceramic Products (AREA)
- Building Environments (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a novel light heat-insulating refractory material based on talcum powder and a production method thereof, belonging to the technical field of refractory materials and comprising the following components in percentage by weight: talc powder: 100% as main material; aluminum dihydrogen phosphate: 50-180% of the total amount of the organic silicon compound, and the organic silicon compound is used as a binder and a foaming agent; refractory cement: 0-10% for use as a curing agent. The invention utilizes the good heat insulation performance of the talcum powder and generates a large amount of bubbles after the talcum powder and the phosphate are subjected to chemical reaction to form a novel material which has light foam shape, heat preservation, fire resistance and permanent non-combustion; the production process is simple, the use is convenient, sintering is not needed in the production process, and the energy consumption is low; the new material can be prefabricated, poured on site, cured and formed and then cut and processed; the new material can be sawed and planed, and has excellent heat preservation and insulation, fire resistance and temperature resistance.
Description
Technical Field
The invention belongs to the technical field of refractory materials, and relates to a novel light heat-insulating refractory material based on talcum powder and a production method thereof.
Background
At present, some materials have been widely used due to the fact that polystyrene contained in the materials is light in weight and good in heat preservation effect, but the materials have the biggest defects of being not high in temperature resistance and being easy to burn when meeting open fire, and therefore, great potential safety hazards are left in the using process. In other materials, alumina fiber felts, diatomite bricks, light alumina foam bricks and the like have good heat preservation effect, are high-temperature resistant and cannot cause combustion, but the production process is complex and the energy consumption is high, thereby causing serious environmental protection problems.
Therefore, there is a need to provide a new lightweight insulating refractory material based on talc powder and a method for producing the same to replace the above-mentioned materials.
Disclosure of Invention
The invention provides a novel light heat-insulating fireproof material based on talcum powder and a production method thereof, and aims to solve the problems that the conventional material is difficult to have all functions of light weight, heat insulation and fire resistance, and the material is complex in production process and high in energy consumption.
In order to achieve the purpose, the invention provides a novel light heat-insulating fireproof material based on talcum powder, which comprises the following components in percentage by weight:
talc powder: 100% as main material;
aluminum dihydrogen phosphate: 50-180% of the total amount of the organic silicon compound, and the organic silicon compound is used as a binder and a foaming agent;
refractory cement: 0-10% for use as a curing agent.
The aluminum dihydrogen phosphate comprises the following components in percentage by weight: 120-140%.
The refractory cement comprises the following components in percentage by weight: 0 to 6 percent.
The talcum powder is used for architectural decoration, the aluminum dihydrogen phosphate is liquid aluminum dihydrogen phosphate, and the refractory cement is refractory high-alumina cement.
In order to achieve the purpose, the invention provides a method for producing a novel light heat-insulating refractory material based on talcum powder, which comprises the following steps:
weighing 100g of talcum powder and 120g of aluminum dihydrogen phosphate, and mixing at 25 ℃ to obtain the mixtureStirring and mixing stone powder and liquid aluminium dihydrogen phosphate, quickly expanding the volume of the generated mud, when the expanded volume of the mud reaches ten times of the volume of the talcum powder solid material, injecting the mud into a mould, automatically solidifying for 72 hours, after completely solidifying, demoulding, and drying and dehydrating at 300 ℃ for 3 hours to obtain a new material with light weight, heat preservation and fire resistance, wherein the refractoriness of the new material>1000 ℃ and a volume weight of 0.5g/cm3(ii) a Or
The insulating layer of the resistance furnace with the power of 3KW is removed completely in advance, and only a hearth and a standby furnace shell are reserved; weighing 10000g of talcum powder and 300g of high-alumina cement, fully and uniformly mixing the talcum powder and the high-alumina cement at the room temperature of 25 ℃, then adding 13000g of aluminium dihydrogen phosphate, and fully stirring to generate rapid volume expansion of a paste-like substance; when the expanded volume of the mud-like substance reaches eight times of the volume of the talcum powder, quickly injecting the generated mud-like substance to the position of a heat-insulating layer of a furnace chamber which is positioned in advance, and after the mud-like substance is cured for 36 hours by self, determining whether the mud-like substance is cured completely; finally, the temperature in the furnace is raised to 300 ℃, drying and dewatering are carried out for 3 hours, at the moment, the total thickness of the heat-insulating layer is 20cm, the surface temperature of the furnace shell is only 40 ℃, and no obvious change exists all the time; or
Weighing 100g of talcum powder and 6g of high-alumina cement, fully and uniformly mixing the talcum powder and the high-alumina cement, then adding 140g of aluminium dihydrogen phosphate, and fully stirring to generate the mud-shaped substance, wherein the volume of the mud-shaped substance is rapidly expanded; when the expanded volume of the mud-like substance reaches five times of the volume of the talcum powder, the generated mud-like substance is cast into a square brick-shaped mould, after 24 hours of complete solidification, the square brick-shaped mould is placed under the condition of 300 ℃ for drying and dehydration for 3 hours, and a new light heat-insulating fireproof material is obtained, and the refractoriness of the new material>1000 ℃ and a volume weight of 1.2g/cm3。
Compared with the prior art, the invention has the beneficial effects that:
1. the novel material utilizes the good heat insulation performance of the talcum powder and generates a large amount of bubbles after the talcum powder and the phosphate are subjected to chemical reaction, so that the novel material which is light foam, heat-insulating, fireproof and never combustible is formed;
2. the new material has the advantages of simple production process, convenient use, no need of sintering in the production process and low energy consumption;
3. the new material can be prefabricated and molded, can also be poured on site, can be cut and processed into any shape after being molded and cured, and can also be pasted for construction; after the self-curing, the material is baked at low temperature to completely dehydrate the material without high-temperature sintering; the product can be sawed and planed, can be processed into various shapes at will, can be widely used in the aspects of metallurgy, chemical industry, transportation, advanced buildings, cold and warm storehouses and the like, and has the characteristics of excellent heat preservation, heat insulation, fire resistance and temperature resistance.
The present invention will be described in detail with reference to specific embodiments in order to more clearly illustrate the structural features and effects of the present invention.
Detailed Description
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having," and any variations thereof, in the description and claims of this application are intended to cover non-exclusive inclusions. The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between different objects and not for describing a particular order.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
The first embodiment is as follows:
a novel light heat-insulating refractory material based on talcum powder comprises the following components in percentage by weight: 100 percent;
aluminum dihydrogen phosphate: 50-180%; refractory cement: 0 to 10 percent.
The talcum powder is used as main material for building decoration, the aluminum dihydrogen phosphate is liquid aluminum dihydrogen phosphate and is used as binder and foaming agent, and the refractory cement is refractory high-alumina cement and is used as curing agent. Preferably, the aluminum dihydrogen phosphate comprises the following components in percentage by weight: 120-140%, and the refractory cement comprises the following components in percentage by weight: 0 to 6 percent.
The production method of the novel lightweight heat-insulating refractory material based on the talcum powder in the embodiment comprises the following steps:
weighing 100g of talcum powder and 120g of aluminum dihydrogen phosphate, fully stirring and mixing the talcum powder and the liquid aluminum dihydrogen phosphate at room temperature of 25 ℃, generating rapid volume expansion of a mud-like substance, injecting the mud-like substance into a mold when the expanded volume of the mud-like substance reaches ten times of the volume of a talcum powder solid material, enabling the mud-like substance to be automatically cured for 72 hours, demolding and placing in the mold for drying and dewatering at 300 ℃ for 3 hours after the mud-like substance is completely cured, and obtaining a novel light heat-insulating and fire-resistant material, wherein the refractoriness of the novel material>1000 ℃ and a volume weight of 0.5g/cm3And the new material has excellent heat insulating performance.
Example two:
a novel light heat-insulating refractory material based on talcum powder comprises the following components in percentage by weight: 100 percent;
aluminum dihydrogen phosphate: 50-180%; refractory cement: 0 to 10 percent.
The talcum powder is used as main material for building decoration, the aluminum dihydrogen phosphate is liquid aluminum dihydrogen phosphate and is used as binder and foaming agent, and the refractory cement is refractory high-alumina cement and is used as curing agent. Preferably, the aluminum dihydrogen phosphate comprises the following components in percentage by weight: 120-140%, and the refractory cement comprises the following components in percentage by weight: 0 to 6 percent.
The production method of the novel lightweight heat-insulating refractory material based on the talcum powder in the embodiment comprises the following steps:
the insulating layer of the resistance furnace with the power of 3KW is removed completely in advance, and only a hearth and a standby furnace shell are reserved; weighing 10000g of talcum powder and 300g of high-alumina cement, fully and uniformly mixing the talcum powder and the high-alumina cement at the room temperature of 25 ℃, then adding 13000g of aluminium dihydrogen phosphate, and fully stirring to generate rapid volume expansion of a paste-like substance; when the expanded volume of the mud-like substance reaches eight times of the volume of the talcum powder, quickly injecting the generated mud-like substance to the position of a heat-insulating layer of a furnace chamber which is positioned in advance, and after the mud-like substance is cured for 36 hours by self, determining whether the mud-like substance is cured completely; and finally, raising the temperature in the furnace to 300 ℃, and drying and dehydrating for 3 hours, wherein the total thickness of the heat-insulating layer is 20cm, the surface temperature of the furnace shell is only 40 ℃, and the surface temperature is not obviously changed all the time.
Example three:
a novel light heat-insulating refractory material based on talcum powder comprises the following components in percentage by weight: 100 percent;
aluminum dihydrogen phosphate: 50-180%; refractory cement: 0 to 10 percent.
The talcum powder is used as main material for building decoration, the aluminum dihydrogen phosphate is liquid aluminum dihydrogen phosphate and is used as binder and foaming agent, and the refractory cement is refractory high-alumina cement and is used as curing agent. Preferably, the aluminum dihydrogen phosphate comprises the following components in percentage by weight: 120-140%, and the refractory cement comprises the following components in percentage by weight: 0 to 6 percent.
The production method of the novel lightweight heat-insulating refractory material based on the talcum powder in the embodiment comprises the following steps:
weighing 100g of talcum powder and 6g of high-alumina cement, fully and uniformly mixing the talcum powder and the high-alumina cement, then adding 140g of aluminium dihydrogen phosphate, and fully stirring to generate the mud-shaped substance, wherein the volume of the mud-shaped substance is rapidly expanded; when the expanded volume of the mud-like substance reaches five times of the volume of the talcum powder, the generated mud-like substance is cast into a square brick-shaped mould, after 24 hours of complete solidification, the square brick-shaped mould is placed under the condition of 300 ℃ for drying and dehydration for 3 hours, and a new light heat-insulating fireproof material is obtained, and the refractoriness of the new material>1000 ℃ and a volume weight of 1.2g/cm3And the device can be sawed, planed and processed into any shape, is convenient to process according to requirements, has extremely simple operation, and is light and safe to use.
In conclusion, the invention provides a novel light heat-insulating fireproof material based on talcum powder, which utilizes the good heat-insulating property of the talcum powder and generates a large amount of bubbles after the talcum powder and phosphate are subjected to chemical reaction to form a novel material which is light foam, heat-insulating fireproof and never combustible; the new material has the advantages of simple production process, convenient use, no need of sintering in the production process and low energy consumption; the new material can be prefabricated and molded, can also be poured on site, can be cut and processed into any shape after being molded and cured, and can also be pasted for construction; after the self-curing, the material is baked at low temperature to completely dehydrate the material without high-temperature sintering; the product can be sawed and planed, can be processed into various shapes at will, can be widely used in the aspects of metallurgy, chemical industry, transportation, advanced buildings, cold and warm storehouses and the like, and has the characteristics of excellent heat preservation, heat insulation, fire resistance and temperature resistance.
The technical principle of the present invention has been described above with reference to specific embodiments, which are merely preferred embodiments of the present invention. The protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. Other embodiments of the invention will occur to those skilled in the art without the exercise of inventive faculty, and are intended to fall within the scope of the invention.
Claims (7)
1. A novel light heat-insulating fireproof material based on talcum powder is characterized by comprising the following components in percentage by weight:
talc powder: 100% as main material;
aluminum dihydrogen phosphate: 50-180% of the total amount of the organic silicon compound, and the organic silicon compound is used as a binder and a foaming agent;
refractory cement: 0-10% for use as a curing agent.
2. The novel light heat-insulating refractory material based on the talcum powder as claimed in claim 1, wherein the aluminum dihydrogen phosphate comprises the following components in percentage by weight: 120-140%.
3. The novel lightweight heat-insulating refractory material made of talcum powder according to claim 1, wherein the refractory cement comprises the following components in percentage by weight: 0 to 6 percent.
4. The novel light heat-insulating refractory material made of talcum powder according to claim 1, wherein the talcum powder is talcum powder for architectural decoration, the aluminum dihydrogen phosphate is liquid aluminum dihydrogen phosphate, and the refractory cement is refractory high-alumina cement.
5. A method for producing a novel lightweight heat-insulating refractory material based on talc powder, which comprises the novel lightweight heat-insulating refractory material based on talc powder according to any one of claims 1 to 4, wherein the method comprises:
weighing 100g of talcum powder and 120g of aluminum dihydrogen phosphate, fully stirring and mixing the talcum powder and the liquid aluminum dihydrogen phosphate at room temperature of 25 ℃, generating rapid volume expansion of a mud-like substance, injecting the mud-like substance into a mold when the expanded volume of the mud-like substance reaches ten times of the volume of a talcum powder solid material, enabling the mud-like substance to be automatically cured for 72 hours, demolding and placing in the mold for drying and dewatering at 300 ℃ for 3 hours after the mud-like substance is completely cured, and obtaining a novel light heat-insulating and fire-resistant material, wherein the refractoriness of the novel material>1000 ℃ and a volume weight of 0.5g/cm3。
6. The production method according to claim 5, characterized in that the method is replaceable with:
the insulating layer of the resistance furnace with the power of 3KW is removed completely in advance, and only a hearth and a standby furnace shell are reserved; weighing 10000g of talcum powder and 300g of high-alumina cement, fully and uniformly mixing the talcum powder and the high-alumina cement at the room temperature of 25 ℃, then adding 13000g of aluminium dihydrogen phosphate, and fully stirring to generate rapid volume expansion of a paste-like substance; when the expanded volume of the mud-like substance reaches eight times of the volume of the talcum powder, quickly injecting the generated mud-like substance to the position of a heat-insulating layer of a furnace chamber which is positioned in advance, and after the mud-like substance is cured for 36 hours by self, determining whether the mud-like substance is cured completely; and finally, raising the temperature in the furnace to 300 ℃, and drying and dehydrating for 3 hours, wherein the total thickness of the heat-insulating layer is 20cm, the surface temperature of the furnace shell is only 40 ℃, and the surface temperature is not obviously changed all the time.
7. The production method according to claim 5, characterized in that the method is replaceable with:
weighing 100g of talcum powder and 6g of high-alumina cement, fully and uniformly mixing the talcum powder and the high-alumina cement, then adding 140g of aluminium dihydrogen phosphate, and fully stirring to generate the mud-shaped substance, wherein the volume of the mud-shaped substance is rapidly expanded; when the expanded volume of the mud-like substance reaches five times of the volume of the talcum powder, the generated mud-like substance is cast into a square brick-shaped mould, after 24 hours of complete solidification, the square brick-shaped mould is placed under the condition of 300 ℃ for drying and dehydration for 3 hours, and a new light heat-insulating fireproof material is obtained, and the refractoriness of the new material>1000 ℃ and a volume weight of 1.2g/cm3。
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1103390A (en) * | 1993-11-27 | 1995-06-07 | 胡锦珂 | Method for preparing insulating foam building material using copper slag |
| JP2001233680A (en) * | 2000-02-23 | 2001-08-28 | Nichias Corp | Method for producing heat insulating material |
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| CN1103390A (en) * | 1993-11-27 | 1995-06-07 | 胡锦珂 | Method for preparing insulating foam building material using copper slag |
| JP2001233680A (en) * | 2000-02-23 | 2001-08-28 | Nichias Corp | Method for producing heat insulating material |
| CN103242049A (en) * | 2013-05-08 | 2013-08-14 | 绵阳汇丰炉窑材料有限公司 | Foam light refractory casting material and preparation method thereof |
| CN104150933A (en) * | 2014-08-29 | 2014-11-19 | 中钢集团洛阳耐火材料研究院有限公司 | High-temperature heat-insulation refractory mortar |
| CN105645975A (en) * | 2015-12-30 | 2016-06-08 | 宜兴市集创新材料科技有限公司 | High temperature resistant inorganic clay |
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