CN108675817A - A kind of preparation method and applications of iron oxide red ceramic fibrous composite material - Google Patents
A kind of preparation method and applications of iron oxide red ceramic fibrous composite material Download PDFInfo
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- CN108675817A CN108675817A CN201810682453.5A CN201810682453A CN108675817A CN 108675817 A CN108675817 A CN 108675817A CN 201810682453 A CN201810682453 A CN 201810682453A CN 108675817 A CN108675817 A CN 108675817A
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- iron oxide
- oxide red
- composite material
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- ceramic
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- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 title claims abstract description 86
- 239000000919 ceramic Substances 0.000 title claims abstract description 60
- 238000002360 preparation method Methods 0.000 title claims abstract description 24
- 239000002131 composite material Substances 0.000 title claims abstract description 18
- 239000011157 advanced composite material Substances 0.000 claims abstract description 54
- 239000000835 fiber Substances 0.000 claims abstract description 44
- 239000000463 material Substances 0.000 claims abstract description 32
- 239000012530 fluid Substances 0.000 claims abstract description 23
- 239000002904 solvent Substances 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000010521 absorption reaction Methods 0.000 claims abstract description 6
- 238000001035 drying Methods 0.000 claims description 27
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 24
- 239000000654 additive Substances 0.000 claims description 10
- 230000000996 additive effect Effects 0.000 claims description 10
- 230000032683 aging Effects 0.000 claims description 10
- 235000019441 ethanol Nutrition 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 6
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims description 6
- 239000003054 catalyst Substances 0.000 claims description 6
- 239000011240 wet gel Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- DLFVBJFMPXGRIB-UHFFFAOYSA-N Acetamide Chemical compound CC(N)=O DLFVBJFMPXGRIB-UHFFFAOYSA-N 0.000 claims description 4
- ZHNUHDYFZUAESO-UHFFFAOYSA-N Formamide Chemical compound NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 claims description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 4
- 239000003607 modifier Substances 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 239000010703 silicon Substances 0.000 claims description 4
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 claims description 3
- 239000001099 ammonium carbonate Substances 0.000 claims description 3
- 239000000499 gel Substances 0.000 claims description 3
- 230000004048 modification Effects 0.000 claims description 3
- 238000012986 modification Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 claims description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 2
- 239000001856 Ethyl cellulose Substances 0.000 claims description 2
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 claims description 2
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 claims description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 2
- MHABMANUFPZXEB-UHFFFAOYSA-N O-demethyl-aloesaponarin I Natural products O=C1C2=CC=CC(O)=C2C(=O)C2=C1C=C(O)C(C(O)=O)=C2C MHABMANUFPZXEB-UHFFFAOYSA-N 0.000 claims description 2
- 230000002152 alkylating effect Effects 0.000 claims description 2
- 235000012538 ammonium bicarbonate Nutrition 0.000 claims description 2
- 239000000908 ammonium hydroxide Substances 0.000 claims description 2
- 239000003153 chemical reaction reagent Substances 0.000 claims description 2
- 229940113088 dimethylacetamide Drugs 0.000 claims description 2
- 229920001249 ethyl cellulose Polymers 0.000 claims description 2
- 235000019325 ethyl cellulose Nutrition 0.000 claims description 2
- UQEAIHBTYFGYIE-UHFFFAOYSA-N hexamethyldisiloxane Chemical compound C[Si](C)(C)O[Si](C)(C)C UQEAIHBTYFGYIE-UHFFFAOYSA-N 0.000 claims description 2
- 230000002209 hydrophobic effect Effects 0.000 claims description 2
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 claims description 2
- 229910017604 nitric acid Inorganic materials 0.000 claims description 2
- 235000006408 oxalic acid Nutrition 0.000 claims description 2
- 229910052573 porcelain Inorganic materials 0.000 claims description 2
- 230000035935 pregnancy Effects 0.000 claims description 2
- LFQCEHFDDXELDD-UHFFFAOYSA-N tetramethyl orthosilicate Chemical compound CO[Si](OC)(OC)OC LFQCEHFDDXELDD-UHFFFAOYSA-N 0.000 claims description 2
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims 3
- 239000000243 solution Substances 0.000 claims 2
- 235000011054 acetic acid Nutrition 0.000 claims 1
- 235000012501 ammonium carbonate Nutrition 0.000 claims 1
- 235000011114 ammonium hydroxide Nutrition 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 238000009833 condensation Methods 0.000 claims 1
- 230000005494 condensation Effects 0.000 claims 1
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 238000000352 supercritical drying Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 229920006395 saturated elastomer Polymers 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 abstract 1
- 238000004886 process control Methods 0.000 abstract 1
- 238000009413 insulation Methods 0.000 description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 229920000742 Cotton Polymers 0.000 description 3
- 241000219146 Gossypium Species 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 239000011490 mineral wool Substances 0.000 description 3
- 239000005995 Aluminium silicate Substances 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- ATHHXGZTWNVVOU-UHFFFAOYSA-N N-methylformamide Chemical compound CNC=O ATHHXGZTWNVVOU-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- PZZYQPZGQPZBDN-UHFFFAOYSA-N aluminium silicate Chemical compound O=[Al]O[Si](=O)O[Al]=O PZZYQPZGQPZBDN-UHFFFAOYSA-N 0.000 description 2
- 235000012211 aluminium silicate Nutrition 0.000 description 2
- 229910000323 aluminium silicate Inorganic materials 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000002121 nanofiber Substances 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 210000002268 wool Anatomy 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000004079 fireproofing Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 235000015096 spirit Nutrition 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 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
- C04B30/00—Compositions for artificial stone, not containing binders
- C04B30/02—Compositions for artificial stone, not containing binders containing fibrous 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
-
- 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
-
- 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
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
- C04B2201/32—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Nonwoven Fabrics (AREA)
- Inorganic Fibers (AREA)
- Thermal Insulation (AREA)
Abstract
The invention discloses a kind of preparation method and applications of iron oxide red ceramic fibrous composite material, and, mainly using aggressiveness before ceramic fiber blanket saturated absorption and in specified conditions gel, supercritical fluid CO2 dries to form iron oxide red/ceramic fibre advanced composite material (ACM) for it.Iron oxide red prepared by the present invention/ceramic fibre advanced composite material (ACM) has excellent heat-insulating property, mechanical performance, fire prevention and water resistance, easy for construction, and the preparation method of material avoids solvent replacement step, and operation is simple, and process control, production can serialization.
Description
Technical field
The invention belongs to chemical pipeline and equipment soak heat-barrier material technical field more particularly to a kind of iron oxide red/potteries
Porcelain fiber advanced composite material (ACM) preparation method and applications.
Technical background
Traditional industry pipeline and insulation of equipment heat-barrier material have rock wool, simple glass cotton blanket, high aluminium silicate wool, polyurethane
Deng, wherein rock wool and high aluminium silicate wool poor thermal insulation property, the easy moisture absorption, big installation thickness the shortcomings of, polyurethane non-refractory, easily
Combustion.
Iron oxide red/ceramic fibre advanced composite material (ACM) is a kind of light nanoporous amorphous solid-state material of structure-controllable,
Its porosity is up to 80%~99.8%, and bore hole size is 1~100nm, high-specific surface area 200-1000m2/g, low-density variation
100~500kg/m3 of range, thermal conductivity is less than 0.018W/mK under normal temperature and pressure, is a kind of resistance that thermal and insulating performance is excellent
Combustible material uses it for industrial pipeline and insulation of equipment is heat-insulated is of great significance.
Invention content
The present invention's faces to be to solve to solve traditional industry pipeline and insulation of equipment heat-barrier material heat insulation property
Can poor, the easy moisture absorption, non-refractory, it is inflammable, the shortcomings of thickness is big is installed, a kind of iron oxide red/ceramic fibre advanced composite material (ACM) is provided
Preparation method and applications.
To achieve the above object, the technical solution adopted in the present invention is：
The present invention is the preparation method of such a iron oxide red ceramic fibrous composite material, and this method is to utilize ceramic fiber blanket
Aggressiveness and in specified conditions gel, supercritical fluid CO before saturated absorption2Drying forms iron oxide red/ceramic fibre NEW TYPE OF COMPOSITE material
Material；Preparation method avoids solvent replacement step, and operation is simple, and production can serialization.This method comprises the following steps：
1) preparation of aggressiveness before；
2) composite molding of iron oxide red/ceramic fibre advanced composite material (ACM)；
3) ageing or ageing of iron oxide red/ceramic fibre advanced composite material (ACM) and surface are modified；
4) drying of iron oxide red/ceramic fibre advanced composite material (ACM).
Wherein, the raw material of the preceding aggressiveness includes silicon source presoma, hydrolyst, additive and solvent.
Further, the silicon source presoma includes one in ethyl orthosilicate, methyl orthosilicate, trim,ethylchlorosilane
Kind or two or more mixtures；The hydrolyst includes pure water, hydrochloric acid, nitric acid, sulfuric acid, oxalic acid, acetic acid, ammonium hydroxide, carbon
The mixture of one or more of sour ammonium, ammonium hydrogen carbonate；The additive includes iron oxide red, ethyl cellulose, N, N- bis-
The mixing of one or more of methylformamide, DMAC N,N' dimethyl acetamide, formamide, acetamide and alkylating reagent
Object；The solvent includes the mixture of one or more of straight chain alcohol of 95% or more mass fraction, including methanol, second
Alcohol and butanol.
Further, the ceramic fiber blanket is that density made of the ceramic fibre material with a diameter of 2-5 μm is not more than
300kg/m3Homogeneous plate or blanket.
Further, the preceding aggressiveness is formulated by following volume ratio：Ethyl orthosilicate:95% absolute ethyl alcohol:Hydrolysis
Catalyst:Additive=10:(40~200):(1~5):(0.1~1.5).
Further, the ageing is that wet gel is put into ethanol solution to impregnate for 24 hours for 35~45 DEG C；The surface
Modification is that the wet gel of ageing is put into 50~60 DEG C of progress surface modifications in the ethanol solution added with surface modifier；Institute
It includes one kind in pregnancy disilazane, hexamethyldisiloxane to state surface modifier.
Further, the preparation raw material of the preceding aggressiveness includes the component of following volume ratio：Ethyl orthosilicate:95% is anhydrous
Ethyl alcohol:Water catalyst:Additive=10:(40~200):(1~5):(0.1~1.5).
In preparation process, the drying is that the iron oxide red of ageing/ceramic fibre advanced composite material (ACM) material is put into super face
In boundary's drying equipment, by CO2Fluid injects dry drying kettle, and temperature and pressure is in CO in adjusting drying kettle2The supercritical state of fluid
With material under state, the solvent in material is made to be dissolved among supercritical fluid, solvent is collected from separating still discharge gate；With system
Standby hydrophilic iron oxide red/ceramic fibre advanced composite material (ACM)；Alternatively, the drying is by the modified iron oxide red/ceramic fibre in surface
Advanced composite material (ACM) material is put into drying kettle, by CO2Fluid injects drying kettle, and temperature and pressure is in CO in adjusting drying kettle2Stream
The supercriticality and material of body, make the solvent in material be dissolved among supercritical fluid, are received from the outlet of separating still
Collect solvent；To prepare hydrophobic type iron oxide red/ceramic fibre advanced composite material (ACM).
Wherein, the CO2Fluid controlled at 45~55 DEG C, pressure is 10~18MPa；CO2Fluid flow is 1000
~3000kg/h, drying time are 3~8h.
The invention also provides application of this iron oxide red ceramic fibrous composite material on making industrial pipeline.
Iron oxide red prepared by the present invention/ceramic fibre advanced composite material (ACM) have high porosity, high-specific surface area, low-density,
The excellent performances such as extremely low thermal conductivity are a kind of fire proofings that thermal and insulating performance is splendid.
Compared with prior art, the present invention has substantive distinguishing features and significant progress following prominent：Use above-critical state
Under CO2Fluid is recycled as dried medium, the solvent in same system, and solvent consumption is few, and price is cheap, therefore
The features such as drying cost is low, non-environmental-pollution.Short preparation period, only 2d, so that it may multiple to prepare a roll of complete ceramic fibre
Mould assembly aeroge thermal insulation material, and the prior art needs 6~7d.Ceramic fiber blanket is used as aeroge enhancing base materials, can be well
The heat conductivility for reducing ceramic fiber blanket makes aeroge crispness improve, the compound airsetting of ceramic fibre that the present invention produces
The thermal coefficient of glue thermal insulation material at normal temperatures is 0.015~0.022W/mK.Present invention process is simple, and continuous production is strong.
Specific implementation mode
The specific implementation mode of the present invention is described further with reference to embodiment.It should be noted that right
It is used to help understand the present invention in the explanation of these embodiments, but does not constitute limitation of the invention.In addition, being retouched below
Involved technical characteristic can be combined with each other as long as they do not conflict with each other in each embodiment of the present invention stated,
The numerical value or ratio being directed to refer both to mass figures or mass ratio such as without explanation.
Embodiment 1：
Iron oxide red/ceramic fibre advanced composite material (ACM) preparation method includes the following steps：Preparation → iron oxide red/ceramics of preceding aggressiveness
Composite molding → ageing → drying → detection of fiber advanced composite material (ACM).It is formulated as follows the preceding aggressiveness of volume ratio：Positive silicic acid second
Ester:95% absolute ethyl alcohol:Water catalyst:Additive=10:90:2:0.1.Water catalyst be respectively 0.02mol/l hydrochloric acid solutions,
0.01mol/l ammonia spirits, additive are nano-level iron rouge and powder end, reaction time 3h.It is in thickness by reaction glue spray
10mm, density 165kg/m3Ceramic fiber blanket on, make ceramic fiber blanket saturation absorption glue, ceramic fiber blanket without be bubbled,
Recess, the equal uniform ground of upper and lower surface are re-fed into 38 DEG C of environment and stand 20min, form iron oxide red/ceramic fibre advanced composite material (ACM)
Wet gel.The wet gel of ceramic fibre aeroge is put into 35 DEG C of ethanol solutions and is impregnated for 24 hours.The ceramic fibre gas that will be aged
Gel rubber material is put into drying kettle, by CO2Fluid injects drying kettle, and temperature and pressure is in CO in adjusting drying kettle2The super of fluid faces
Boundary's state and material make the solvent in material be dissolved among supercritical fluid, and supercritical temperature is 45 DEG C, and pressure is
14MPa；CO2The flow that fluid passes through drying kettle is 2600kg/h, collects solvent from the dry outlet of separating still, shuts down and take out material
Material.
Dried is randomly selected into (3 points of performances that can should reflect bulk roll of material as possible) at 3 points, takes 300 × 300mm materials
Expect each two pieces, measures density, thermal coefficient, hydrophobicity, mechanical strength.Survey its related data：Material thickness 10mm, density
200kg/m3, room temperature thermal coefficient 0.018W/mK, hydrophobicity 0, S4 grades of combustion rating.
Embodiment 2：
Applied analysis report of the iron oxide red/ceramic fibre advanced composite material (ACM) on industrial pipeline and equipment includes following step
Suddenly：Using 40mm thickness iron oxide red/ceramic fibre advanced composite material (ACM) and 200mm thickness Conventional insulations rock wool respectively to 400 DEG C of height
Warm steam pipe line carries out insulation, i.e. scheme 1：It is wrapped up, is then used thin along caliber direction with 10mm thickness ceramic nanofibers cottons
Iron wire or stainless steel band tie up solid first layer, wrap up the second layer to layer 5 with same way, ceramics are received between paying attention to every layer
Rice cellucotton needs the fissure of displacement to wrap up, and ties up solid, finally makees outer protective with color steel or aluminium skin or stainless steel sheet|.Scheme 2：With
50mm thickness asbestos are wrapped up along caliber direction, are tied up solid first layer with thin wire or stainless steel band, are then wrapped up with same way
The second layer is to layer 5, and ceramic nanofibers cotton needs the fissure of displacement to wrap up between paying attention to every layer, tie up it is solid, finally use color steel or aluminium
Skin or stainless steel sheet| make outer protective.
Under the premise of reaching same heat insulation effect, heat insulation effect and energy consumption to above two material have been carried out to score
Analysis, iron oxide red/ceramic fibre advanced composite material (ACM) insulation layer thickness is only Conventional insulation 1/4, save pipeline occupied space and
Construction intensity, and energy saving 50%.
The specific application example of the above only present invention, the present invention also has other embodiments, all to use equivalent replacement
Or the technical solution that equivalent transformation is formed, it all falls within protection domain of the presently claimed invention.
Claims (10)
1. a kind of preparation method of iron oxide red ceramic fibrous composite material, it is characterised in that：This method is full using ceramic fiber blanket
With aggressiveness before absorption and in specified conditions gel, supercritical fluid CO2Drying forms iron oxide red/ceramic fibre advanced composite material (ACM)；
This method comprises the following steps：
1) preparation of aggressiveness before；
2) composite molding of iron oxide red/ceramic fibre advanced composite material (ACM)；
3) ageing or ageing of iron oxide red/ceramic fibre advanced composite material (ACM) and surface are modified；
4) drying of iron oxide red/ceramic fibre advanced composite material (ACM).
2. the preparation method of iron oxide red ceramic fibrous composite material according to claim 1, it is characterised in that：The preceding aggressiveness
Raw material include silicon source presoma, hydrolyst, additive and solvent.
3. the preparation method of iron oxide red ceramic fibrous composite material according to claim 2, it is characterised in that：The silicon source
Presoma includes the mixture of one or more of ethyl orthosilicate, methyl orthosilicate, trim,ethylchlorosilane；The water
It includes one or both of pure water, hydrochloric acid, nitric acid, sulfuric acid, oxalic acid, acetic acid, ammonium hydroxide, ammonium carbonate, ammonium hydrogen carbonate to solve catalyst
Above mixture；The additive include iron oxide red, ethyl cellulose, N,N-dimethylformamide, DMAC N,N' dimethyl acetamide,
The mixture of one or more of formamide, acetamide and alkylating reagent；The solvent includes mass fraction 95%
The mixture of one or more of above straight chain alcohol.
4. the preparation method of iron oxide red ceramic fibrous composite material according to claim 1 or 2, it is characterised in that：The pottery
Porcelain tapetum fibrosum is that density made of ceramic fibre material with a diameter of 2-5 μm is not more than 300kg/m3Homogeneous plate or
Blanket.
5. the preparation method of iron oxide red ceramic fibrous composite material according to claim 2, it is characterised in that：The preceding aggressiveness
It is formulated by following volume ratio：Ethyl orthosilicate:95% absolute ethyl alcohol:Hydrolyst:Additive=10:(40~200):
(1~5):(0.1~1.5).
6. the preparation method of iron oxide red ceramic fibrous composite material according to claim 1 or 2, it is characterised in that：It is described old
Change is that wet gel is put into ethanol solution to impregnate for 24 hours for 35~45 DEG C；It is to put the wet gel of ageing that the surface, which is modified,
Enter 50~60 DEG C of progress surface modifications in the ethanol solution added with surface modifier；The surface modifier includes pregnancy two
One kind in silazane, hexamethyldisiloxane.
7. the preparation method of iron oxide red ceramic fibrous composite material according to claim 1 or 2, it is characterised in that：Before described
The preparation raw material of aggressiveness includes the component of following volume ratio：Ethyl orthosilicate:95% absolute ethyl alcohol:Water catalyst:Additive=
10:(40~200):(1~5):(0.1~1.5).
8. the preparation method of iron oxide red ceramic fibrous composite material according to claim 1 or 2, it is characterised in that：It is described dry
Dry is that the iron oxide red of ageing/ceramic fibre advanced composite material (ACM) material is put into supercritical drying equipment, by CO2Fluid injection is dry
Dry drying kettle, adjust drying kettle in temperature and pressure in CO2With material under the supercriticality of fluid, make molten in material
Agent is dissolved among supercritical fluid, and solvent is collected from separating still discharge gate；It is novel multiple to prepare hydrophilic iron oxide red/ceramic fibre
Condensation material；
Alternatively, the drying is that the modified iron oxide red in surface/ceramic fibre advanced composite material (ACM) material is put into drying kettle, it will
CO2Fluid injects drying kettle, and temperature and pressure is in CO in adjusting drying kettle2The supercriticality and material of fluid, make material
In solvent be dissolved among supercritical fluid, from the outlet of separating still collect solvent；To prepare hydrophobic type iron oxide red/ceramic fibre
Advanced composite material (ACM).
9. iron oxide red according to claim 7/ceramic fibre advanced composite material (ACM) drying, it is characterised in that：The CO2Fluid
Controlled at 45~55 DEG C, pressure is 10~18MPa；CO2Fluid flow is 1000~3000kg/h, drying time 3
~8h.
10. a kind of application of iron oxide red ceramic fibrous composite material prepared such as claim 1 on making industrial pipeline.
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