CN114380616A - Preparation method of foamed ceramic thermal insulation material and material obtained by preparation method - Google Patents
Preparation method of foamed ceramic thermal insulation material and material obtained by preparation method Download PDFInfo
- Publication number
- CN114380616A CN114380616A CN202210003786.7A CN202210003786A CN114380616A CN 114380616 A CN114380616 A CN 114380616A CN 202210003786 A CN202210003786 A CN 202210003786A CN 114380616 A CN114380616 A CN 114380616A
- Authority
- CN
- China
- Prior art keywords
- parts
- foamed ceramic
- thermal insulation
- insulation material
- ceramic thermal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000919 ceramic Substances 0.000 title claims abstract description 86
- 239000000463 material Substances 0.000 title claims abstract description 75
- 239000012774 insulation material Substances 0.000 title claims abstract description 62
- 238000002360 preparation method Methods 0.000 title claims abstract description 23
- 239000002245 particle Substances 0.000 claims abstract description 71
- 238000010438 heat treatment Methods 0.000 claims abstract description 52
- 239000000853 adhesive Substances 0.000 claims abstract description 49
- 230000001070 adhesive effect Effects 0.000 claims abstract description 46
- 210000003097 mucus Anatomy 0.000 claims abstract description 46
- 239000010455 vermiculite Substances 0.000 claims abstract description 31
- 229910052902 vermiculite Inorganic materials 0.000 claims abstract description 31
- 235000019354 vermiculite Nutrition 0.000 claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 30
- 238000003756 stirring Methods 0.000 claims abstract description 30
- 239000005995 Aluminium silicate Substances 0.000 claims abstract description 22
- 235000012211 aluminium silicate Nutrition 0.000 claims abstract description 22
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000000203 mixture Substances 0.000 claims abstract description 22
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 claims abstract description 19
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims abstract description 17
- 239000000920 calcium hydroxide Substances 0.000 claims abstract description 17
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims abstract description 17
- 235000011116 calcium hydroxide Nutrition 0.000 claims abstract description 17
- 239000000843 powder Substances 0.000 claims abstract description 16
- 238000001132 ultrasonic dispersion Methods 0.000 claims abstract description 10
- 238000009413 insulation Methods 0.000 claims abstract description 9
- 238000002156 mixing Methods 0.000 claims abstract description 9
- 229920000715 Mucilage Polymers 0.000 claims abstract description 3
- 239000004088 foaming agent Substances 0.000 claims description 34
- 239000011810 insulating material Substances 0.000 claims description 31
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 26
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 16
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 16
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 15
- 239000004793 Polystyrene Substances 0.000 claims description 15
- 238000000498 ball milling Methods 0.000 claims description 15
- 239000005011 phenolic resin Substances 0.000 claims description 15
- 229920001568 phenolic resin Polymers 0.000 claims description 15
- 229920002223 polystyrene Polymers 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 8
- 238000000137 annealing Methods 0.000 claims description 8
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 8
- 238000005520 cutting process Methods 0.000 claims description 8
- 239000010459 dolomite Substances 0.000 claims description 8
- 229910000514 dolomite Inorganic materials 0.000 claims description 8
- 239000011863 silicon-based powder Substances 0.000 claims description 8
- VOZRXNHHFUQHIL-UHFFFAOYSA-N glycidyl methacrylate Chemical compound CC(=C)C(=O)OCC1CO1 VOZRXNHHFUQHIL-UHFFFAOYSA-N 0.000 claims description 5
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 5
- 239000006260 foam Substances 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract 1
- 229910001570 bauxite Inorganic materials 0.000 description 29
- 239000004698 Polyethylene Substances 0.000 description 8
- 239000011805 ball Substances 0.000 description 8
- -1 polyethylene Polymers 0.000 description 8
- 229920000573 polyethylene Polymers 0.000 description 8
- 238000000465 moulding Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 239000011325 microbead Substances 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 238000009435 building construction Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005470 impregnation Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000011806 microball Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Images
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
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/06—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by burning-out added substances by burning natural expanding materials or by sublimating or melting out added substances
- C04B38/063—Preparing or treating the raw materials individually or as batches
- C04B38/0635—Compounding ingredients
- C04B38/0645—Burnable, meltable, sublimable materials
- C04B38/068—Carbonaceous materials, e.g. coal, carbon, graphite, hydrocarbons
-
- 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
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/16—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay
- C04B35/18—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay rich in aluminium oxide
-
- 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
-
- 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
-
- 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
- C04B35/632—Organic 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- 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
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3208—Calcium oxide or oxide-forming salts thereof, e.g. lime
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- 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
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3208—Calcium oxide or oxide-forming salts thereof, e.g. lime
- C04B2235/321—Dolomites, i.e. mixed calcium magnesium carbonates
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- 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
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- 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
- C04B2235/349—Clays, e.g. bentonites, smectites such as montmorillonite, vermiculites or kaolines, e.g. illite, talc or sepiolite
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- 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
- C04B2235/36—Glass starting materials for making ceramics, e.g. silica glass
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- 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
- C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
- C04B2235/422—Carbon
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- 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
- C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
- C04B2235/428—Silicon
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- 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
- C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
- C04B2235/448—Sulphates or sulphites
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- 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
- C04B2235/48—Organic compounds becoming part of a ceramic after heat treatment, e.g. carbonising phenol resins
- C04B2235/483—Si-containing organic compounds, e.g. silicone resins, (poly)silanes, (poly)siloxanes or (poly)silazanes
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/54—Particle size related information
- C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
- C04B2235/5427—Particle size related information expressed by the size of the particles or aggregates thereof millimeter or submillimeter sized, i.e. larger than 0,1 mm
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/54—Particle size related information
- C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
- C04B2235/5436—Particle size related information expressed by the size of the particles or aggregates thereof micrometer sized, i.e. from 1 to 100 micron
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/60—Aspects relating to the preparation, properties or mechanical treatment of green bodies or pre-forms
- C04B2235/602—Making the green bodies or pre-forms by moulding
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
- C04B2235/6567—Treatment time
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
Abstract
The invention discloses a preparation method of a foamed ceramic thermal insulation material and an obtained material thereof, belonging to the technical field of thermal insulation materials, the preparation method of the foamed ceramic thermal insulation material comprises the following steps: step 1, preparing adhesive mucus, pouring kaolin and a silane coupling agent into a container, pouring the kaolin and the silane coupling agent into water according to a proportion, heating the container in a water bath, and performing ultrasonic dispersion to obtain the adhesive mucus; step 2, pouring the aluminum silicate powder, the expanded and vitrified micro bubbles, the hardening accelerator slaked lime and the vermiculite particles into a container according to the proportion, and mixing and stirring the mixture for 25 to 40 minutes by using a stirrer at the rotating speed of 500-600r/min to prepare a mixed material; and 3, pouring the adhesion mucilage and the mixed material respectively prepared in the step 1 and the step 2 into the same container, and setting the temperature of the container at 60-80 ℃, so that the adhesion strength of each molecule in the foamed ceramic thermal insulation material is enhanced, the stability of the internal structure is improved, the fire-proof grade and the thermal insulation performance of the foamed ceramic are improved, and the construction cost is reduced.
Description
Technical Field
The invention relates to the technical field of heat insulation materials, in particular to a preparation method of a foamed ceramic heat insulation material and the obtained material.
Background
The foamed ceramic is a novel light heat-insulating material developed in the 70 th of the 20 th century, the foamed ceramic is a novel porous ceramic material which is manufactured by a special process and has a three-dimensional network framework structure and through air holes, the relatively mature foamed ceramic preparation process comprises a foaming process, a pore-forming agent adding process, an organic foam impregnation method and the like, wherein the organic foam impregnation method has the advantages of simple process, batch production and the like, the foamed ceramic has excellent ceramic intrinsic properties such as high melting point, corrosion resistance, wear resistance and the like, and due to the introduction of a large number of pores, the foamed ceramic heat-insulating material also has the properties such as low thermal conductivity, controllable permeability, high specific surface area, low density, high specific strength, low dielectric constant and the like, along with the higher and higher requirements on energy-saving and fireproof performance of buildings, the foamed ceramic heat-insulating material is a novel wall heat-insulating material developed in recent years, and on one hand, the heat-insulating performance of walls can be improved, on the other hand, the material saves resources and reduces environmental pollution, and is an ideal fireproof heat-insulating material for buildings because of the advantages of high porosity, low heat conductivity coefficient, light weight, high temperature resistance, corrosion resistance, good mechanical strength and the like;
the foamed ceramic heat insulating material and product in the prior art have uneven internal structure, and are easy to cause fiber flocculence and shedding when used at high temperature for a long time, thus causing the reduction of heat insulating performance and the shortening of service life, and the surface layer is easy to be worn out in use and transportation, thereby reducing the fire-proof grade of the heat insulating material.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, because the internal structure of a foamed ceramic thermal insulation material is not uniform, the fibers are likely to fall off in a flocculent manner when the foamed ceramic thermal insulation material is used for a long time, the thermal insulation performance is reduced, the service life is shortened, and the fire-proof grade of the thermal insulation material is reduced.
In order to achieve the purpose, the invention adopts the following technical scheme:
a preparation method of a foamed ceramic thermal insulation material comprises the following steps:
step 1, preparing adhesive mucus, pouring kaolin and a silane coupling agent into a container, pouring the kaolin and the silane coupling agent into water according to a proportion, heating the container in a water bath, and performing ultrasonic dispersion to obtain the adhesive mucus;
step 2, pouring the aluminum silicate powder, the expanded and vitrified micro bubbles, the hardening accelerator slaked lime and the vermiculite particles into a container according to the proportion, and mixing and stirring the mixture for 25 to 40 minutes by using a stirrer at the rotating speed of 500-600r/min to prepare a mixed material;
step 3, pouring the adhesion mucilage and the mixed material respectively prepared in the step 1 and the step 2 into the same container, setting the temperature of the container at 60-80 ℃, and then stirring for 3-4h at the rotating speed of 600-;
step 4, adding phenolic resin, polystyrene and alumina into the paste according to the proportion, and continuously stirring for 1-2h at the temperature of 700-;
and 5, adding the mixed product obtained in the step 4 into a foaming agent, then putting the mixture into a ball mill for ball milling for 3-5h, and then pouring a ball milling material into a mould for high-temperature heating to obtain the foamed ceramic thermal insulation material.
Preferably, in order to make the adhesive mucus more viscous, the kaolin, the silane coupling agent and the water in the step 1 are divided into 6 to 12 parts of kaolin, 0.1 to 0.5 part of silane coupling agent and 50 to 150 parts of water according to the mass components of the foamed ceramic thermal insulation material.
Preferably, in order to enable the prepared mixed material to be fully combined with the adhesive mucus, in the step 2, the aluminum silicate powder, the expanded and vitrified micro bubbles, the hardening accelerator slaked lime and the vermiculite particles are respectively 8-15 parts of aluminum silicate powder, 5-10 parts of expanded and vitrified micro bubbles, 0.5-1 part of hardening accelerator slaked lime and 20-40 parts of vermiculite particles according to the weight components of the foamed ceramic heat insulation material.
Preferably, in order to achieve good mixing of the vermiculite particles and the mixing material, the vermiculite particles are D90 particles having a particle diameter between 100 microns and 200 microns.
Preferably, in order to improve the wear resistance of the thermal insulation material, in the step 4, the phenolic resin, the polystyrene and the alumina are divided into 8-15 parts by mass of the phenolic resin, 5-10 parts by mass of the polystyrene and 15-20 parts by mass of the alumina according to the mass components of the foamed ceramic thermal insulation material.
Preferably, in order to improve the wear resistance of the heat insulation material, the bauxite comprises 3-5 parts of bauxite with the particle diameter of 3-5 mm, 6-8 parts of high-alumina bauxite with the particle diameter of 1-3 mm and 6-7 parts of high-alumina bauxite with the particle diameter of 0-1 mm.
Preferably, in order to obtain a more stable structure of the thermal insulation material after molding, in step 5, the ball-milling material is poured into a mold for high-temperature heating, and the process of obtaining the foamed ceramic thermal insulation material is as follows:
s1, pouring the ball milling material into a mould, and heating to 500 ℃ at first for 1-2 h;
s2, raising the temperature to 1000-1200 ℃, and heating for 1-2 h;
s3, raising the temperature to 1300-1500 ℃, wherein the heating time is 1-2 h;
and S4, annealing, cooling, demolding and cutting after heating to obtain the foamed ceramic heat-insulating material.
Preferably, in order to enable the mixed product to be quickly combined with the foaming agent, the foaming agent is 0.5-1 part by weight according to the divided components of the foamed ceramic thermal insulation material, and the foaming agent is composed of 32-52% of dolomite, 25-35% of calcium carbonate, 5-10% of calcium sulfate, 10-18% of carbon powder and 5-10% of silicon powder by mass percentage.
Preferably, in order to make the adhesive mucus fully combined with other mixed materials, the silane coupling agent is polyethylene grafted glycidyl methacrylate or polyethylene grafted maleic anhydride.
A ceramic foam insulation, the material composition comprising:
6-12 parts of kaolin, 0.1-0.5 part of silane coupling agent and 50-150 parts of water, then combining a mixture of 8-15 parts of aluminum silicate powder, 5-10 parts of expanded vitrified micro bubbles, 0.5-1 part of hardening accelerator slaked lime and 20-40 parts of vermiculite particles, then adding 8-15 parts of phenolic resin, 5-10 parts of polystyrene and 15-20 parts of alumina, uniformly stirring, combining with a foaming agent, and heating to obtain the foamed ceramic heat-insulating material.
Compared with the prior art, the invention provides a preparation method of a foamed ceramic thermal insulation material and the obtained material, and the foamed ceramic thermal insulation material has the following beneficial effects:
1. according to the preparation method of the foamed ceramic thermal insulation material and the obtained material, kaolin and a silane coupling agent are combined, so that the adhesion strength of each molecule in the foamed ceramic thermal insulation material is enhanced, slaked lime serving as a hardening accelerator is added, the stability of the internal structure of the foamed ceramic is improved, the mechanical strength of the foamed ceramic thermal insulation material is improved by utilizing the toughness and strength of aluminum silicate molecules, the wear resistance of the foamed ceramic is improved, and the pore structure is prevented from exposing and adhering pollutants.
2. The preparation method of the foamed ceramic thermal insulation material and the obtained material solve the problems that in the prior art, due to the fact that the internal structure of the foamed ceramic thermal insulation material is uneven, fibers are prone to being flocculent and falling off when the foamed ceramic thermal insulation material is used for a long time, thermal insulation performance is reduced, the service life is shortened, the fire resistance level of the thermal insulation material is reduced, the fire resistance level and the thermal insulation performance of the foamed ceramic are improved, and building construction cost is reduced.
Drawings
FIG. 1 is a flow chart of a method for preparing a foamed ceramic thermal insulation material according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in 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.
Example 1:
referring to fig. 1, a preparation method of a foamed ceramic thermal insulation material comprises the following steps:
step 1, preparing adhesive mucus, pouring kaolin and a silane coupling agent into a container, pouring the kaolin and the silane coupling agent into water according to a proportion, heating the container in a water bath, and performing ultrasonic dispersion to obtain the adhesive mucus;
step 2, pouring aluminum silicate powder, expanded and vitrified micro bubbles, hardening accelerator slaked lime and vermiculite particles into a container according to the proportion, and mixing and stirring for 25min at the rotating speed of 500r/min by using a stirrer to prepare a mixed material;
step 3, pouring the adhesive mucus and the mixed material respectively prepared in the step 1 and the step 2 into the same container, setting the temperature of the container at 60 ℃, and then stirring for 3-4h at the rotating speed of 600r/min by using a stirrer to obtain paste;
step 4, adding phenolic resin, polystyrene and alumina into the paste according to the proportion, and continuously stirring for 1h at 700r/min according to the temperature set in the step 3 to obtain a mixed product;
step 5, adding the mixed product obtained in the step 4 into a foaming agent, then placing the mixture into a ball mill for ball milling for 3 hours, and then pouring a ball milling material into a mold for high-temperature heating to obtain a foamed ceramic heat insulation material;
firstly preparing adhesive mucus, pouring 6 parts of kaolin, 0.1 part of silane coupling agent and 50 parts of water into a container for water bath heating in order to make the adhesive mucus have more viscosity, in order to make the adhesive mucus fully combine with other mixed materials, the silane coupling agent is polyethylene grafted glycidyl methacrylate, the water bath heating temperature is 50 ℃, then ultrasonic dispersion is carried out to obtain the adhesive mucus, then 8 parts of aluminum silicate powder, 5 parts of expanded and vitrified micro-beads, 0.5 part of hardening accelerator slaked lime and 20 parts of vermiculite particles are poured into another container, in order to ensure that the prepared mixed material can be fully combined with the adhesive mucus, a stirrer is used for mixing and stirring for 25min at the rotating speed of 500r/min to prepare the mixed material, in order to fully mix the vermiculite particles and the mixed materials, the vermiculite particles are D90 particles with the particle diameter of between 110 and 200 microns;
pouring the prepared adhesive mucus and the mixed material into the same container, setting the temperature of the container at 60 ℃, stirring the container for 3 hours at the rotating speed of 600r/min by using a stirrer to obtain a paste body, then adding materials with the mass components of 8 parts of phenolic resin, 5 parts of polystyrene and 15 parts of bauxite into the paste body, in order to improve the wear resistance of the heat-insulating material, continuously stirring the materials for 1 hour at the temperature of 60 ℃ at 700r/min, wherein the components in the bauxite comprise 3 parts of bauxite with the particle diameter of 3-5 mm, 6 parts of high bauxite with the particle diameter of 1-3 mm and 6 parts of high bauxite with the particle diameter of 0-1 mm, and obtaining a mixed product;
in order to obtain the heat-insulating material with a more stable structure after molding, adding the obtained mixed product into a foaming agent, and then placing the mixture into a ball mill for ball milling for 3 hours, in order to enable the mixed product and the foaming agent to be quickly combined, the foaming agent is divided into 0.5 part according to the mass components of the foamed ceramic heat-insulating material, the foaming agent is composed of 48% of dolomite, 30% of calcium carbonate, 6% of calcium sulfate, 10% of carbon powder and 6% of silicon powder by mass percent, then pouring the ball-milled material into a die for high-temperature heating, firstly heating to 330 ℃ for 1 hour, then raising the temperature to 1050 ℃, heating for 1 hour, then raising the temperature to 1350 ℃, heating for 1 hour, and annealing, cooling, demolding and cutting after heating, thus obtaining the foamed ceramic heat-insulating material.
Example 2:
referring to fig. 1, a preparation method of a foamed ceramic thermal insulation material and the obtained material thereof, firstly preparing adhesive mucus, in order to make the adhesive mucus have more viscosity, pouring 8 parts of kaolin, 0.2 part of silane coupling agent and 70 parts of water into a container for water bath heating, in order to make the adhesive mucus fully combine with other mixed materials, the silane coupling agent is polyethylene grafted maleic anhydride, the water bath heating temperature is 53 ℃, then carrying out ultrasonic dispersion to obtain the adhesive mucus, then using another container to pour 10 parts of aluminum silicate powder, 6 parts of expanded vitrified micro balls, 0.6 part of hardening accelerator slake and 25 parts of vermiculite particles into the container, in order to make the mixed materials prepared fully combine with the adhesive mucus, using a stirrer to mix and stir at the rotating speed of 530r/min for 29min to prepare a mixed material, in order to make the vermiculite particles fully mix with the mixed material, the vermiculite particles are D90 particles with the particle diameter of 130-200 microns;
pouring the prepared adhesive mucus and the mixed material into the same container, setting the temperature of the container at 65 ℃, stirring the container for 4 hours at a rotation speed of 650r/min by using a stirrer to obtain a paste body, adding materials with the mass components of 10 parts of phenolic resin, 7 parts of polystyrene and 16 parts of bauxite into the paste body, in order to improve the wear resistance of the heat-insulating material, continuously stirring the bauxite for 2 hours at 760r/min at the temperature of 65 ℃ to obtain a mixed product, wherein the bauxite comprises 4 parts of bauxite with the particle diameter of 3-5 mm, 6 parts of high-alumina bauxite with the particle diameter of 1-3 mm and 6 parts of high-alumina bauxite with the particle diameter of 0-1 mm;
in order to enable the obtained heat-insulating material to be more stable in structure after being molded, the obtained mixed product is added with a foaming agent and then is put into a ball mill for ball milling for 4 hours, in order to enable the mixed product and the foaming agent to be quickly combined, the foaming agent is divided into 0.7 part according to the mass components of the foamed ceramic heat-insulating material, the foaming agent is composed of 48% of dolomite, 30% of calcium carbonate, 6% of calcium sulfate, 10% of carbon powder and 6% of silicon powder in percentage by mass, then the ball-milled material is poured into a die for high-temperature heating, the temperature is firstly heated to 380 ℃ for 1-2 hours, then the temperature is raised to 1100 ℃ for 2 hours, then the temperature is raised to 1400 ℃, the heating time is 2 hours, and after the heating is finished, annealing, cooling, demolding and cutting are carried out, so that the foamed ceramic heat-insulating material is obtained.
Example 3:
referring to fig. 1, a preparation method of a foamed ceramic thermal insulation material and the material obtained by the preparation method, firstly, adhesive mucus is prepared, in order to enable the adhesive mucus to have more viscosity, 10 parts of kaolin, 0.3 part of silane coupling agent and 90 parts of water are poured into a container to be heated in a water bath, in order to enable the adhesive mucus to be fully combined with other mixed materials, the silane coupling agent is polyethylene grafted glycidyl methacrylate, the heating temperature in the water bath is 56 ℃, ultrasonic dispersion is carried out to obtain the adhesive mucus, in order to enable the prepared mixed material to be fully combined with the adhesive mucus, then, 12 parts of aluminum silicate powder, 8 parts of expanded glass beads, 0.7 part of hardening accelerator slaked lime and 28 parts of vermiculite particles are poured into another container, and the mixed material is prepared by a stirrer at the rotating speed of 560r/min for mixing and stirring for 34min, in order to fully mix the vermiculite particles and the mixed materials, the vermiculite particles are D90 particles with the particle diameter of between 100 and 200 microns;
pouring the prepared adhesive mucus and the mixed material into the same container, setting the temperature of the container at 75 ℃, stirring for 3 hours at a rotation speed of 750r/min by using a stirrer to obtain a paste body, adding materials with the mass components of 12 parts of phenolic resin, 8 parts of polystyrene and 17 parts of alumina into the paste body, in order to improve the wear resistance of the heat-insulating material, continuously stirring for 1 hour at the temperature of 75 ℃ at 750r/min to obtain a mixed product, wherein the alumina comprises 5 parts of alumina with the particle diameter of 3-5 mm, 7 parts of high-alumina with the particle diameter of 1-3 mm and 7 parts of high-alumina with the particle diameter of 0-1 mm;
in order to obtain the thermal insulation material with a more stable structure after molding, adding the obtained mixed product into a foaming agent, and then placing the mixture into a ball mill for ball milling for 5 hours, wherein the foaming agent is 0.7 part by weight according to the mass components of the thermal insulation material of the foamed ceramic, in order to enable the mixed product and the foaming agent to be quickly combined, the foaming agent is composed of 48% of dolomite, 30% of calcium carbonate, 6% of calcium sulfate, 10% of carbon powder and 6% of silicon powder by mass percent, then pouring the ball-milled material into a mold for high-temperature heating, firstly heating to 400 ℃ for 1 hour, then raising the temperature to 1130 ℃ for 1 hour, then raising the temperature to 1430 ℃ for 1 hour, annealing, cooling, demolding and cutting after heating, so as to obtain the thermal insulation material of the foamed ceramic.
Example 4:
referring to fig. 1, a preparation method of a foamed ceramic thermal insulation material and the obtained material thereof, firstly preparing adhesive mucus, in order to make the adhesive mucus have more viscosity, pouring 11 parts of kaolin, 0.4 part of silane coupling agent and 110 parts of water into a container for water bath heating, in order to make the adhesive mucus fully combine with other mixed materials, the silane coupling agent is polyethylene grafted maleic anhydride, the water bath heating temperature is 58 ℃, then carrying out ultrasonic dispersion to obtain the adhesive mucus, in order to make the prepared mixed material fully combine with the adhesive mucus, then using another container to pour 14 parts of aluminum silicate powder, 8 parts of expanded vitrified micro-beads, 0.8 part of hardening accelerator slaked lime and 33 parts of vermiculite particles into the container, using a stirrer to mix and stir for 30min at the rotating speed of 550r/min to prepare the mixed material, in order to make the vermiculite particles fully mix with the mixed material, the vermiculite particles are D90 particles with the particle diameter of 100-200 microns;
pouring the prepared adhesive mucus and the mixed material into the same container, setting the temperature of the container at 80 ℃, stirring the mixture for 4 hours at a rotating speed of 780r/min by using a stirrer to obtain a paste body, then adding materials with the mass components of 12 parts of phenolic resin, 8 parts of polystyrene and 19 parts of bauxite into the paste body, in order to improve the wear resistance of the heat-insulating material, continuously stirring the materials in the bauxite for 2 hours at a temperature of 78 ℃ at 180r/min, wherein the alumina comprises 4 parts of bauxite with the particle diameter of 3-5 mm, 8 parts of high-alumina bauxite with the particle diameter of 1-3 mm and 7 parts of high-alumina bauxite with the particle diameter of 0-1 mm;
in order to obtain the heat-insulating material with a more stable structure after molding, adding the obtained mixed product into a foaming agent, then placing the mixture into a ball mill for ball milling for 3 hours, in order to enable the mixed product and the foaming agent to be quickly combined, wherein the foaming agent is divided into 0.8 part according to the mass components of the foamed ceramic heat-insulating material, the foaming agent is composed of 48% of dolomite, 30% of calcium carbonate, 6% of calcium sulfate, 10% of carbon powder and 6% of silicon powder by mass percent, then pouring the ball-milled material into a mold for high-temperature heating, firstly heating to 450 ℃ for 2 hours, then raising the temperature to 1200 ℃, heating for 1 hour, then raising the temperature to 13 ℃ for 2 hours, and after heating, annealing, cooling, demolding and cutting are carried out to obtain the foamed ceramic heat-insulating material.
Example 5:
referring to fig. 1, a preparation method of a foamed ceramic thermal insulation material and the obtained material thereof, firstly preparing adhesive mucus, in order to make the adhesive mucus have more viscosity, pouring 9 parts of kaolin, 0.3 part of silane coupling agent and 100 parts of water into a container for water bath heating, in order to make the adhesive mucus fully combine with other mixed materials, silane coupling agent is polyethylene grafted glycidyl methacrylate, the temperature of the water bath heating is 58 ℃, then carrying out ultrasonic dispersion to obtain the adhesive mucus, then using another container to pour 11 parts of aluminum silicate powder, 7 parts of expanded vitrified micro beads, 0.8 part of hardening accelerator slake and 30 parts of vermiculite particles into the container, using a stirrer to mix and stir at the rotating speed of 550r/min for 33min to prepare a mixed material, in order to make the vermiculite particles fully mix with the mixed material, the vermiculite particles are D90 particles with the particle diameter of 100-200 microns;
pouring the prepared adhesive mucus and the mixed material into the same container, setting the temperature of the container at 70 ℃, stirring the mixture for 3 hours at the rotating speed of 700r/min by using a stirrer to obtain a paste body, then adding materials with the mass components of 12 parts of phenolic resin, 8 parts of polystyrene and 18 parts of bauxite into the paste body, in order to improve the wear resistance of the heat-insulating material, continuously stirring the materials for 1 hour at the temperature of 70 ℃ at 750r/min, wherein the components in the bauxite comprise 3 parts of bauxite with the particle diameter of 3-5 mm, 8 parts of high bauxite with the particle diameter of 1-3 mm and 7 parts of high bauxite with the particle diameter of 0-1 mm, and obtaining a mixed product;
in order to obtain the heat-insulating material with a more stable structure after molding, adding the obtained mixed product into a foaming agent, and then placing the mixture into a ball mill for ball milling for 4 hours, wherein the foaming agent is 0.8 part by weight according to the mass components of the foamed ceramic heat-insulating material, in order to enable the mixed product and the foaming agent to be quickly combined, the foaming agent is composed of 48% of dolomite, 30% of calcium carbonate, 6% of calcium sulfate, 10% of carbon powder and 6% of silicon powder by mass percent, then pouring the ball-milled material into a mold for high-temperature heating, firstly heating to 400 ℃ for 1 hour, then raising the temperature to 1150 ℃ for 2 hours, then raising the temperature to 1400 ℃ for 1 hour, and after heating, annealing, cooling, demolding and cutting are carried out to obtain the foamed ceramic heat-insulating material.
The fire-retardant rating and the thermal insulation performance of the foamed ceramics are verified by combining the above examples, and the test data are as follows:
according to the invention, kaolin and a silane coupling agent are combined, so that the adhesion strength of each molecule in the foamed ceramic heat-insulating material is enhanced, a hardening accelerator slaked lime is added, the stability of the internal structure of the foamed ceramic is improved, the mechanical strength of the foamed ceramic heat-insulating material is improved by utilizing the toughness and the strength of aluminum silicate molecules, the wear resistance of the foamed ceramic is improved, and the hole structure is prevented from exposing and adhering pollutants.
Example 6:
referring to fig. 1, a foamed ceramic thermal insulation material is prepared by the following steps:
firstly preparing adhesive mucus, pouring 8 parts of kaolin, 0.2 part of silane coupling agent and 90 parts of water into a container for heating in water bath so as to enable the adhesive mucus to be fully combined with other mixed materials, enabling the silane coupling agent to be polyethylene grafted maleic anhydride, enabling the heating temperature in water bath to be 56 ℃, then carrying out ultrasonic dispersion to obtain the adhesive mucus, enabling the prepared mixed material to be fully combined with the adhesive mucus, then pouring 10 parts of aluminum silicate powder, 7 parts of expanded vitrified micro beads, 0.6 part of hardening accelerator slaked lime and 33 parts of vermiculite particles into the container by using another container, mixing and stirring for 30min by using a stirrer at the rotating speed of 540r/min so as to enable the vermiculite particles to be fully mixed with the mixed material, the vermiculite particles are D90 particles with the particle diameter of 100-200 microns;
pouring the prepared adhesive mucus and the mixed material into the same container, setting the temperature of the container at 65 ℃, stirring for 4 hours at a rotation speed of 650r/min by using a stirrer to obtain a paste body, adding materials with the mass components of 11 parts of phenolic resin, 7 parts of polystyrene and 17 parts of bauxite into the paste body, in order to improve the wear resistance of the heat-insulating material, continuously stirring for 2 hours at a temperature of 70 ℃ at 700r/min to obtain a mixed product, wherein the alumina comprises 3 parts of bauxite with the particle diameter of 3-5 mm, 7 parts of high bauxite with the particle diameter of 1-3 mm and 7 parts of high bauxite with the particle diameter of 0-1 mm;
in order to obtain the heat insulation material with a more stable structure after molding, adding the obtained mixed product into a foaming agent, and then placing the mixture into a ball mill for ball milling for 3 hours, wherein the foaming agent is 0.6 part by weight according to the mass components of the foamed ceramic heat insulation material, in order to enable the mixed product and the foaming agent to be quickly combined, the foaming agent is composed of 48% of dolomite, 30% of calcium carbonate, 6% of calcium sulfate, 10% of carbon powder and 6% of silicon powder by mass percent, then pouring the ball-milled material into a mold for high-temperature heating, firstly heating to 350 ℃ for 1 hour, then raising the temperature to 1050 ℃, heating for 2 hours, then raising the temperature to 1350 ℃ for 1 hour, and after heating, annealing, cooling, demolding and cutting are carried out, so that the foamed ceramic heat insulation material is obtained.
According to the invention, the kaolin and the silane coupling agent are combined, the adhesion strength of each molecule in the foamed ceramic thermal insulation material is enhanced, the hardening accelerator slaked lime is added, the stability of the internal structure of the foamed ceramic is improved, the mechanical strength of the foamed ceramic thermal insulation material is improved by utilizing the toughness and the strength of the aluminum silicate molecules, the wear resistance of the foamed ceramic is improved, the hole structure is prevented from exposing and adhering pollutants, the problems of reduced thermal insulation performance, shortened service life and reduced fire grade of the thermal insulation material caused by uneven internal structure of the foamed ceramic thermal insulation material in the prior art are solved, the fire grade and the thermal insulation performance of the foamed ceramic are improved, and the building construction cost is reduced.
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. The preparation method of the foamed ceramic thermal insulation material is characterized by comprising the following steps:
step 1, preparing adhesive mucus, pouring kaolin and a silane coupling agent into a container, pouring the kaolin and the silane coupling agent into water according to a proportion, heating the container in a water bath, and performing ultrasonic dispersion to obtain the adhesive mucus;
step 2, pouring the aluminum silicate powder, the expanded and vitrified micro bubbles, the hardening accelerator slaked lime and the vermiculite particles into a container according to the proportion, and mixing and stirring the mixture for 25 to 40 minutes by using a stirrer at the rotating speed of 500-600r/min to prepare a mixed material;
step 3, pouring the adhesion mucilage and the mixed material respectively prepared in the step 1 and the step 2 into the same container, setting the temperature of the container at 60-80 ℃, and then stirring for 3-4h at the rotating speed of 600-;
step 4, adding phenolic resin, polystyrene and alumina into the paste according to the proportion, and continuously stirring for 1-2h at the temperature of 700-;
and 5, adding the mixed product obtained in the step 4 into a foaming agent, then putting the mixture into a ball mill for ball milling for 3-5h, and then pouring a ball milling material into a mould for high-temperature heating to obtain the foamed ceramic thermal insulation material.
2. The method for preparing the foamed ceramic thermal insulation material according to claim 1, wherein in the step 1, the kaolin, the silane coupling agent and the water are divided into 6 to 12 parts by mass, 0.1 to 0.5 part by mass and 50 to 150 parts by mass according to the mass of the foamed ceramic thermal insulation material.
3. The preparation method of the foamed ceramic thermal insulation material according to claim 1, wherein in the step 2, the aluminum silicate powder, the expanded and vitrified micro bubbles, the hardening accelerator slaked lime and the vermiculite particles are respectively 8-15 parts of the aluminum silicate powder, 5-10 parts of the expanded and vitrified micro bubbles, 0.5-1 part of the hardening accelerator slaked lime and 20-40 parts of the vermiculite particles according to the mass components of the foamed ceramic thermal insulation material.
4. The method for preparing the foamed ceramic thermal insulation material according to claim 3, wherein the vermiculite particles are D90 particles with particle diameter of 100-200 microns.
5. The method for preparing the foamed ceramic thermal insulation material according to claim 1, wherein in the step 4, the phenolic resin, the polystyrene and the alumina are respectively 8-15 parts of the phenolic resin, 5-10 parts of the polystyrene and 15-20 parts of the alumina according to the mass components of the foamed ceramic thermal insulation material.
6. The preparation method of the foamed ceramic thermal insulation material according to claim 1, wherein the alumina comprises 3-5 parts of alumina with the particle diameter of 3-5 mm, 6-8 parts of high-alumina with the particle diameter of 1-3 mm and 6-7 parts of high-alumina with the particle diameter of 0-1 mm.
7. The preparation method of the foamed ceramic thermal insulation material according to claim 1, wherein the step 5 of pouring the ball-milled material into a mold for high-temperature heating comprises the following steps:
s1, pouring the ball milling material into a mould, and heating to 500 ℃ at first for 1-2 h;
s2, raising the temperature to 1000-1200 ℃, and heating for 1-2 h;
s3, raising the temperature to 1300-1500 ℃, wherein the heating time is 1-2 h;
and S4, annealing, cooling, demolding and cutting after heating to obtain the foamed ceramic heat-insulating material.
8. The preparation method of the foamed ceramic thermal insulation material according to claim 1, wherein the foaming agent is 0.5-1 part by mass according to the divided components of the foamed ceramic thermal insulation material, and the foaming agent is composed of 32-52% of dolomite, 25-35% of calcium carbonate, 5-10% of calcium sulfate, 10-18% of carbon powder and 5-10% of silicon powder by mass percentage.
9. The method for preparing the foamed ceramic thermal insulation material according to claim 1, wherein the silane coupling agent is polyethylene-grafted glycidyl methacrylate or polyethylene-grafted maleic anhydride.
10. A ceramic foam insulation, characterized in that the material composition comprises:
6-12 parts of kaolin, 0.1-0.5 part of silane coupling agent and 50-150 parts of water, then combining a mixture of 8-15 parts of aluminum silicate powder, 5-10 parts of expanded vitrified micro bubbles, 0.5-1 part of hardening accelerator slaked lime and 20-40 parts of vermiculite particles, then adding 8-15 parts of phenolic resin, 5-10 parts of polystyrene and 15-20 parts of alumina, uniformly stirring, combining with a foaming agent, and heating to obtain the foamed ceramic heat-insulating material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210003786.7A CN114380616A (en) | 2022-01-05 | 2022-01-05 | Preparation method of foamed ceramic thermal insulation material and material obtained by preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210003786.7A CN114380616A (en) | 2022-01-05 | 2022-01-05 | Preparation method of foamed ceramic thermal insulation material and material obtained by preparation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114380616A true CN114380616A (en) | 2022-04-22 |
Family
ID=81199766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210003786.7A Pending CN114380616A (en) | 2022-01-05 | 2022-01-05 | Preparation method of foamed ceramic thermal insulation material and material obtained by preparation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114380616A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1510005A (en) * | 2002-12-26 | 2004-07-07 | 刘春燕 | Fireproof insulative composite materials |
| US20090065960A1 (en) * | 2005-04-06 | 2009-03-12 | Basf Aktiengesellschaft | Process for producing polystyrene foam particles having a high density |
| CN104086214A (en) * | 2014-06-26 | 2014-10-08 | 胡敏刚 | Preparation method of foamed ceramic heat-preserving material |
| CN106013477A (en) * | 2016-06-21 | 2016-10-12 | 惠安华晨贸易有限公司 | Multi-layer composite heat-preservation material for wall body |
| CN107129212A (en) * | 2017-06-08 | 2017-09-05 | 合肥峰腾节能科技有限公司 | A kind of wall heat insulation material and preparation method thereof |
| CN107265942A (en) * | 2017-06-22 | 2017-10-20 | 合肥永泰新型建材有限公司 | A kind of insulation material and preparation method thereof |
| CN108794056A (en) * | 2018-07-19 | 2018-11-13 | 佛山腾鲤新能源科技有限公司 | A kind of preparation method of heat-insulating heat-preserving material |
-
2022
- 2022-01-05 CN CN202210003786.7A patent/CN114380616A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1510005A (en) * | 2002-12-26 | 2004-07-07 | 刘春燕 | Fireproof insulative composite materials |
| US20090065960A1 (en) * | 2005-04-06 | 2009-03-12 | Basf Aktiengesellschaft | Process for producing polystyrene foam particles having a high density |
| CN104086214A (en) * | 2014-06-26 | 2014-10-08 | 胡敏刚 | Preparation method of foamed ceramic heat-preserving material |
| CN106013477A (en) * | 2016-06-21 | 2016-10-12 | 惠安华晨贸易有限公司 | Multi-layer composite heat-preservation material for wall body |
| CN107129212A (en) * | 2017-06-08 | 2017-09-05 | 合肥峰腾节能科技有限公司 | A kind of wall heat insulation material and preparation method thereof |
| CN107265942A (en) * | 2017-06-22 | 2017-10-20 | 合肥永泰新型建材有限公司 | A kind of insulation material and preparation method thereof |
| CN108794056A (en) * | 2018-07-19 | 2018-11-13 | 佛山腾鲤新能源科技有限公司 | A kind of preparation method of heat-insulating heat-preserving material |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107721454B (en) | B02-grade light autoclaved sand aerated concrete fireproof heat-insulation board and preparation method thereof | |
| CN103030357B (en) | Heat-insulation slurry composition and applications thereof | |
| CN101139195A (en) | Method for preparing inorganic heat preservation insulating board | |
| CN102765905B (en) | EPS light aggregate concrete composite wall and its construction method | |
| CN111747691B (en) | High-crack-resistance foam concrete and preparation method thereof | |
| CN106007613B (en) | A kind of self heat insulation wall gypsum based composite and preparation method thereof | |
| CN110342887A (en) | A kind of heat insulation sound-proof light foam concrete material and preparation method thereof | |
| CN112062515B (en) | High-strength geopolymer closed-cell foam material prepared from silicon carbide and preparation method thereof | |
| CN101492280A (en) | Phosphate cellular concrete and process for producing its product | |
| CN114380616A (en) | Preparation method of foamed ceramic thermal insulation material and material obtained by preparation method | |
| CN115490484B (en) | Foam concrete of cement fly ash system and preparation method thereof | |
| CN111718162A (en) | Fiber-reinforced foamed cement composite insulation board and preparation method thereof | |
| CN103755289B (en) | Heat insulating porous lagging material of ultralight cement based and preparation method thereof | |
| CN113502993B (en) | PET composite heat-preservation and decoration integrated structure and construction method thereof | |
| CN112521123B (en) | Preparation method of basic magnesium sulfate cement foam concrete thermal insulation material | |
| CN111285657B (en) | Thermal insulation wall material and manufacturing process thereof | |
| CN111777372A (en) | High-strength fiber reinforced foamed cement insulation board and preparation method thereof | |
| CN108424168B (en) | Preparation method of cement-based composite insulation board | |
| CN113402221A (en) | High-strength high-heat-preservation concrete and production process thereof | |
| CN115784690B (en) | High-temperature-resistant EPS concrete material for improving 3D printing anisotropy and preparation method thereof | |
| CN109796170A (en) | A kind of phase transformation temp auto-controlled cement foaming insulation board and its production method | |
| CN110577409B (en) | Building indoor energy storage and heat insulation material and preparation method thereof | |
| CN115849944B (en) | Aerated concrete block for building curtain wall and preparation method thereof | |
| CN112723911B (en) | Regenerated powder-based inorganic cementing material toughening and crack reducing foaming agent and application thereof | |
| CN107162631A (en) | Compound adhesive cement and its casting method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220422 |
|
| RJ01 | Rejection of invention patent application after publication |