CN104926204B - A kind of high infrared reflection rate fibrous ceramic insulation and preparation method thereof - Google Patents
A kind of high infrared reflection rate fibrous ceramic insulation and preparation method thereof Download PDFInfo
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Abstract
A kind of high infrared reflection rate fibrous ceramic insulation and preparation method thereof.Its technical scheme is：Potassium raw material, titaniferous materials and bonding agent will be contained mix, shaping, grind after heat treatment, obtain the B material of A material and granularity of the granularity for 0.088 ~ 1mm less than 0.088mm；Dry after A material is soaked in water, be heat-treated under the conditions of 1000 ~ 1200 DEG C, obtain C material.Then ceramic fibre is placed in titanium-containing compound solution of the concentration for 5 ~ 30wt%, stirring, filters, dry, obtain pre-processing ceramic fibre after heat treatment.Again pretreatment ceramic fibre, the B material, the C material, the bonding agent and additive are mixed, add water and stir into slurry；Injection mould, vacuum dehydration, dry, be heat-treated under the conditions of 800 ~ 1100 DEG C, cooling, high infrared reflection rate fibrous ceramic insulation is obtained.Low production cost of the present invention, prepared product have the characteristics that bulk density is low, High anti bending strength and Thermal Conductivity at High Temperature are low.
Description
Technical field
The invention belongs to fibrous ceramic insulation technical field.Specifically related to a kind of high infrared reflection rate ceramic fibre every
Hot material and preparation method thereof.
Background technology
Insulation is adiabatic, is to realize energy saving, ensure one of important measures of sustainable economic development.Hot industry send out
Exhibition, proposes requirements at the higher level to heat preserving and insulating material, such as efficient, energy-conservation, high-strength, low lead with waterproof etc..For this purpose, people exist always
Seek the hot industry novel heat insulation heat-barrier material with low thermal conductivity, high infrared reflection rate and microporous with research.
Ceramic fibre is a kind of fibrous light refractory material, and the heat preserving and insulating material being made from has high temperature resistant, hot
The advantages of good stability, low thermal conductivity and mechanical resistant shake, thus all obtain in the industry such as machinery, metallurgy, petrochemical industry, building materials and electronics
To being widely applied.In prior art, " a kind of lower thermal conductivity heat-barrier material and preparation method thereof "
(ZL200810138024.8) basalt fibre is first added to the water and stirs into slurry by patented technology, the technology, adds six metatitanic acids
Then floccule is ferreted out by potassium whisker, bonding agent and auxiliary agent, shaping, dries the composite heat-insulated material for obtaining low heat conductivity." one
Plant nano-hole silica composite heat insulation material and preparation method thereof " (ZL200810047741.X) patented technology, the technology is with nanometer
The siliceous powder in hole, alumina silicate fibre, crystal whisker of hexa potassium titanate and binder etc. are raw material, pre-process, discongest, being molded through fiber,
Dry and heat treatment step makes nano-hole silica composite heat insulation material." a kind of titanium ceramic thermal insulation material and preparation method thereof and
Application " (ZL201110063781.5) patented technology, the technology is with crystal whisker of hexa potassium titanate, glass bead, serpentine, staple glass
Fiber, alumina silicate fibre, bentonite and adhesive etc. prepare titanium ceramic thermal insulation material for raw material.
Though above-mentioned technology respectively has clear advantage, but still suffers from the drawback that：(1) the organic additive that introduces, binder or
Bonding agent, charing, decomposition, are also easy to produce dense smoke and irritative gas at high temperature, pollute environment；(2) the part material that introduces adds
Plus agent fusing point is relatively low, the low melting point liquid phase of generation exacerbates the contraction of ceramic fibre, reduces the service life of product；(3) intensity
Less, after the effect such as external stress, mechanical oscillation or airflow scouring, easily compress, deform, impact insulation liner body structure is steady
Qualitative, reduction heat insulation effect；Potassium titanate crystal whisker, microballon etc. with directly add in the form of introduce, in the material uncontrollable its
Distributional pattern, can only be with the formal distribution of " being scattered " between ceramic fibre so that the insulation insulation effect of material is had a greatly reduced quality.
Content of the invention
It is contemplated that overcoming the deficiencies in the prior art, it is therefore an objective to provide a kind of high infrared reflection rate pottery of low production cost
The preparation method of porcelain fibrous insulating material, the high infrared reflection rate fibrous ceramic insulation bulk density prepared with the method
Low, High anti bending strength and Thermal Conductivity at High Temperature low, the heat preservation and insulation field that can be used for for a long time within 1200 DEG C.
For achieving the above object, the comprising the concrete steps that of the technical solution used in the present invention：
The first step, will the raw material containing potassium of 20 ~ 40wt%, the titaniferous materials of 50 ~ 70wt% and 5 ~ 10wt% bonding agent mixing all
Even, compressing under the conditions of 50 ~ 100MPa, it is heat-treated 0.5 ~ 2 hour under the conditions of neutral atmosphere and 800 ~ 1200 DEG C, natural
Cooling, obtains heat treatment material I；Then the heat treatment is expected that I crushes, grinding, screening, obtain A thing of the granularity for 0.088 ~ 1mm
The B material of material and granularity less than 0.088mm.
Second step, the A material is soaked in water 12 ~ 24 hours, then under the conditions of 70 ~ 110 DEG C, dries 12 ~ 24 little
When, it is heat-treated 0.5 ~ 5 hour under the conditions of 1000 ~ 1200 DEG C, natural cooling, obtains C material.
3rd step, ceramic fibre is placed in concentration for 5 ~ 30wt% titanium-containing compound solution in, under the conditions of 50 ~ 90 DEG C
Stirring 0.5 ~ 3 hour, filters；Then dry 12 ~ 24 hours under the conditions of 70 ~ 110 DEG C, under the conditions of 400 ~ 800 DEG C, be heat-treated 2
~ 5 hours, obtain pre-processing ceramic fibre.
4th step, by the pretreatment ceramic fibre of 30 ~ 50wt%, the B material of 5 ~ 15wt%, 5 ~ 15wt% the C thing
The additive of material, the bonding agent of 10 ~ 20wt% and 10 ~ 20wt% is mixed, and is added water and is stirred into slurry.
5th step, the slurry is injected mould, vacuum dehydration, dry 12 ~ 24 hours under the conditions of 70 ~ 110 DEG C, then
It is heat-treated 0.5 ~ 5 hour under the conditions of 800 ~ 1100 DEG C, natural cooling, high infrared reflection rate fibrous ceramic insulation is obtained.
The raw material containing potassium is in Anhydrous potassium carbonate, potassium sulfate, potassium chloride, potassium hydroxide, potassium nitrate and saleratus
One kind, the granularity containing potassium raw material are less than 0.088mm.
The titaniferous materials are titanium dioxide or are metatitanic acid that the granularity of the titaniferous materials is less than 0.088mm.
The bonding agent is the one kind in industrial dextrine powder, powdered glucose and Ludox.
The neutral atmosphere is nitrogen atmosphere or is argon gas atmosphere.
The ceramic fibre is the one kind in alumina-silicate ceramic fibre, magnesium silicon ceramic fiber and calcium magnesium silicon ceramic fiber；
The titanium-containing compound is titanium trichloride or is titanyl sulfate；
The additive is the one kind in silicon powder, alumina powder and titanium dioxide.
Due to adopting technique scheme, the present invention has following good effect compared with prior art：
Raw material sources of the present invention are extensive, low production cost；By strict control atmosphere, granularity, shaping and
The operations such as heat treatment, not only improve the close contact between particulate material and fiber, between various feed particles, also brilliant for potassium titanate
Must be formed in situ and grow up there is provided proportional space, modified interfibrous pore structure.Thus reduce bulk density and
While improving the strength of materials, increase the high-temperature infrared reflectivity of material, reduce Thermal Conductivity at High Temperature.
High infrared reflection rate fibrous ceramic insulation prepared by the present invention is after testing：Bulk density is 0.2 ~ 0.35g/
cm3；In the range of 200 ~ 1200 DEG C, thermal conductivity factor is 0.05 ~ 0.12W/ (m K)；Rupture strength is more than 0.4MPa.Can be used for for a long time
Heat preservation and insulation field within 1200 DEG C.
Therefore, the low production cost of the present invention, prepared high infrared reflection rate fibrous ceramic insulation have volume
The feature that density is low, High anti bending strength and Thermal Conductivity at High Temperature are low；The heat preservation and insulation field that can be used for for a long time within 1200 DEG C.
Specific embodiment
With reference to specific embodiment, the invention will be further described, not the restriction to its protection domain.
For avoiding repeating, by the granularity Unify legislation of the raw material containing potassium in this specific embodiment and titaniferous materials such as first
Under, repeat no more in each embodiment：
The granularity of the Anhydrous potassium carbonate, potassium sulfate, potassium chloride, potassium hydroxide, potassium nitrate and saleratus is less than
0.088mm.
The granularity of the titanium dioxide and metatitanic acid is less than 0.088mm.
Embodiment 1
A kind of high infrared reflection rate fibrous ceramic insulation and preparation method thereof.The tool of preparation method described in the present embodiment
Body step is：
The first step, the powdered glucose of the Anhydrous potassium carbonate of 20 ~ 30wt%, the titanium dioxide of 60 ~ 70wt% and 8 ~ 10wt% is mixed
Uniformly, compressing under the conditions of 50 ~ 80MPa, it is heat-treated 1 ~ 2 hour under the conditions of argon gas atmosphere and 1000 ~ 1200 DEG C, natural
Cooling, obtains heat treatment material I；Then the heat treatment is expected that I crushes, grinding, screening, obtain A thing of the granularity for 0.088 ~ 1mm
The B material of material and granularity less than 0.088mm.
Second step, the A material is soaked in water 12 ~ 24 hours, then under the conditions of 70 ~ 110 DEG C, dries 12 ~ 24 little
When, it is heat-treated 0.5 ~ 5 hour under the conditions of 1000 ~ 1200 DEG C, natural cooling, obtains C material.
3rd step, calcium magnesium silicon ceramic fiber is placed in concentration for 20 ~ 30wt% titanium trichloride solution in, in 50 ~ 90 DEG C of bars
Stir 0.5 ~ 1.5 hour under part, filter；Then dry 12 ~ 24 hours under the conditions of 70 ~ 110 DEG C, under the conditions of 600 ~ 800 DEG C
Heat treatment 2 ~ 5 hours, obtains pre-processing calcium magnesium silicon ceramic fiber.
4th step, by the pretreatment calcium magnesium silicon ceramic fiber of 30 ~ 40wt%, the B material of 10 ~ 15wt%, 10 ~ 15wt%
The C material, the Ludox of 10 ~ 20wt% and the titanium dioxide of 10 ~ 20wt% mix, add water and stir into slurry.
5th step, the slurry is injected mould, vacuum dehydration, dry 12 ~ 24 hours under the conditions of 70 ~ 110 DEG C, then
It is heat-treated 0.5 ~ 5 hour under the conditions of 800 ~ 1100 DEG C, natural cooling, high infrared reflection rate fibrous ceramic insulation is obtained.
Embodiment 2
A kind of high infrared reflection rate fibrous ceramic insulation and preparation method thereof.The tool of preparation method described in the present embodiment
Body step is：
The first step, will the potassium sulfate of 30 ~ 40wt%, the metatitanic acid of 50 ~ 60wt% and 8 ~ 10wt% powdered glucose mixing all
Even, compressing under the conditions of 80 ~ 100MPa, it is heat-treated 0.5 ~ 1 hour under the conditions of nitrogen atmosphere and 800 ~ 1000 DEG C, natural
Cooling, obtains heat treatment material I；Then the heat treatment is expected that I crushes, grinding, screening, obtain A thing of the granularity for 0.088 ~ 1mm
The B material of material and granularity less than 0.088mm.
Second step, the A material is soaked in water 12 ~ 24 hours, then under the conditions of 70 ~ 110 DEG C, dries 12 ~ 24 little
When, it is heat-treated 0.5 ~ 5 hour under the conditions of 1000 ~ 1200 DEG C, natural cooling, obtains C material.
3rd step, alumina-silicate ceramic fibre is placed in concentration for 10 ~ 20wt% titanyl sulfate solution in, in 50 ~ 90 DEG C of bars
Stir 1 ~ 3 hour under part, filter；Then dry 12 ~ 24 hours under the conditions of 70 ~ 110 DEG C, at heat under the conditions of 400 ~ 600 DEG C
Reason 2 ~ 5 hours, obtains pre-processing alumina-silicate ceramic fibre.
4th step, by the pretreatment alumina-silicate ceramic fibre of 40 ~ 50wt%, the B material of 5 ~ 10wt%, 5 ~ 10wt%
The alumina powder of the C material, the industrial dextrine powder of 10 ~ 20wt% and 10 ~ 20wt% is mixed, and is added water and is stirred into slurry.
5th step, the slurry is injected mould, vacuum dehydration, dry 12 ~ 24 hours under the conditions of 70 ~ 110 DEG C, then
It is heat-treated 0.5 ~ 5 hour under the conditions of 800 ~ 1100 DEG C, natural cooling, high infrared reflection rate fibrous ceramic insulation is obtained.
Embodiment 3
A kind of high infrared reflection rate fibrous ceramic insulation and preparation method thereof.The tool of preparation method described in the present embodiment
Body step is：
The first step, will the potassium chloride of 25 ~ 35wt%, the metatitanic acid of 60 ~ 70wt% and 5 ~ 8wt% the mixing of industrial dextrine powder all
Even, compressing under the conditions of 50 ~ 80MPa, it is heat-treated 1 ~ 2 hour under the conditions of argon gas atmosphere and 800 ~ 1000 DEG C, naturally cold
But, heat treatment material I is obtained；Then the heat treatment is expected that I crushes, grinding, screening, obtain A material of the granularity for 0.088 ~ 1mm
With B material of the granularity less than 0.088mm.
Second step, the A material is soaked in water 12 ~ 24 hours, then under the conditions of 70 ~ 110 DEG C, dries 12 ~ 24 little
When, it is heat-treated 0.5 ~ 5 hour under the conditions of 1000 ~ 1200 DEG C, natural cooling, obtains C material.
3rd step, calcium magnesium silicon ceramic fiber is placed in concentration for 5 ~ 10wt% titanyl sulfate solution in, in 50 ~ 90 DEG C of bars
Stir 0.5 ~ 1.5 hour under part, filter；Then dry 12 ~ 24 hours under the conditions of 70 ~ 110 DEG C, under the conditions of 600 ~ 800 DEG C
Heat treatment 2 ~ 5 hours, obtains pre-processing calcium magnesium silicon ceramic fiber.
4th step, by the pretreatment calcium magnesium silicon ceramic fiber of 40 ~ 50wt%, the B material of 5 ~ 10wt%, 5 ~ 10wt%
The C material, the powdered glucose of 10 ~ 20wt% and the silicon powder of 10 ~ 20wt% are mixed, and are added water and are stirred into slurry.
5th step, the slurry is injected mould, vacuum dehydration, dry 12 ~ 24 hours under the conditions of 70 ~ 110 DEG C, then
It is heat-treated 0.5 ~ 5 hour under the conditions of 800 ~ 1100 DEG C, natural cooling, high infrared reflection rate fibrous ceramic insulation is obtained.
Embodiment 4
A kind of high infrared reflection rate fibrous ceramic insulation and preparation method thereof.The tool of preparation method described in the present embodiment
Body step is：
The first step, the industrial dextrine powder of the potassium hydroxide of 25 ~ 35wt%, the titanium dioxide of 60 ~ 70wt% and 5 ~ 8wt% is mixed
Uniformly, compressing under the conditions of 50 ~ 80MPa, it is heat-treated 1 ~ 2 hour under the conditions of argon gas atmosphere and 800 ~ 1000 DEG C, natural
Cooling, obtains heat treatment material I；Then the heat treatment is expected that I crushes, grinding, screening, obtain A thing of the granularity for 0.088 ~ 1mm
The B material of material and granularity less than 0.088mm.
Second step, the A material is soaked in water 12 ~ 24 hours, then under the conditions of 70 ~ 110 DEG C, dries 12 ~ 24 little
When, it is heat-treated 0.5 ~ 5 hour under the conditions of 1000 ~ 1200 DEG C, natural cooling, obtains C material.
3rd step, magnesium silicon ceramic fiber is placed in concentration for 20 ~ 30wt% titanium trichloride solution in, in 50 ~ 90 DEG C of conditions
Lower stirring 1 ~ 3 hour, filters；Then dry 12 ~ 24 hours under the conditions of 70 ~ 110 DEG C, under the conditions of 400 ~ 600 DEG C, be heat-treated 2
~ 5 hours, obtain pre-processing magnesium silicon ceramic fiber.
4th step, by the pretreatment magnesium silicon ceramic fiber of 30 ~ 40wt%, the B material of 10 ~ 15wt%, 10 ~ 15wt%
The C material, the powdered glucose of 10 ~ 20wt% and the alumina powder of 10 ~ 20wt% are mixed, and are added water and are stirred into slurry.
5th step, the slurry is injected mould, vacuum dehydration, dry 12 ~ 24 hours under the conditions of 70 ~ 110 DEG C, then
It is heat-treated 0.5 ~ 5 hour under the conditions of 800 ~ 1100 DEG C, natural cooling, high infrared reflection rate fibrous ceramic insulation is obtained.
Embodiment 5
A kind of high infrared reflection rate fibrous ceramic insulation and preparation method thereof.The tool of preparation method described in the present embodiment
Body step is：
The first step, the Ludox of the potassium nitrate of 30 ~ 40wt%, the titanium dioxide of 50 ~ 60wt% and 8 ~ 10wt% is mixed,
Compressing under the conditions of 80 ~ 100MPa, it is heat-treated 0.5 ~ 1 hour under the conditions of nitrogen atmosphere and 800 ~ 1000 DEG C, naturally cold
But, heat treatment material I is obtained；Then the heat treatment is expected that I crushes, grinding, screening, obtain A material of the granularity for 0.088 ~ 1mm
With B material of the granularity less than 0.088mm.
Second step, the A material is soaked in water 12 ~ 24 hours, then under the conditions of 70 ~ 110 DEG C, dries 12 ~ 24 little
When, it is heat-treated 0.5 ~ 5 hour under the conditions of 1000 ~ 1200 DEG C, natural cooling, obtains C material.
3rd step, magnesium silicon ceramic fiber is placed in concentration for 10 ~ 20wt% titanium trichloride solution in, in 50 ~ 90 DEG C of conditions
Lower stirring 0.5 ~ 1.5 hour, filters；Then dry 12 ~ 24 hours under the conditions of 70 ~ 110 DEG C, hot under the conditions of 600 ~ 800 DEG C
Process 2 ~ 5 hours, obtain pre-processing magnesium silicon ceramic fiber.
4th step, by the pretreatment magnesium silicon ceramic fiber of 40 ~ 50wt%, the B material of 5 ~ 10wt%, 5 ~ 10wt% institute
The titanium dioxide for stating C material, the Ludox of 10 ~ 20wt% and 10 ~ 20wt% is mixed, and is added water and is stirred into slurry.
5th step, the slurry is injected mould, vacuum dehydration, dry 12 ~ 24 hours under the conditions of 70 ~ 110 DEG C, then
It is heat-treated 0.5 ~ 5 hour under the conditions of 800 ~ 1100 DEG C, natural cooling, high infrared reflection rate fibrous ceramic insulation is obtained.
Embodiment 6
A kind of high infrared reflection rate fibrous ceramic insulation and preparation method thereof.The tool of preparation method described in the present embodiment
Body step is：
The first step, will the saleratus of 20 ~ 30wt%, the metatitanic acid of 60 ~ 70wt% and 8 ~ 10wt% Ludox mixing all
Even, compressing under the conditions of 50 ~ 80MPa, it is heat-treated 1 ~ 2 hour under the conditions of argon gas atmosphere and 1000 ~ 1200 DEG C, naturally cold
But, heat treatment material I is obtained；Then the heat treatment is expected that I crushes, grinding, screening, obtain A material of the granularity for 0.088 ~ 1mm
With B material of the granularity less than 0.088mm.
Second step, the A material is soaked in water 12 ~ 24 hours, then under the conditions of 70 ~ 110 DEG C, dries 12 ~ 24 little
When, it is heat-treated 0.5 ~ 5 hour under the conditions of 1000 ~ 1200 DEG C, natural cooling, obtains C material.
3rd step, calcium magnesium silicon ceramic fiber is placed in concentration for 5 ~ 10wt% titanium trichloride solution in, in 50 ~ 90 DEG C of bars
Stir 1 ~ 3 hour under part, filter；Then dry 12 ~ 24 hours under the conditions of 70 ~ 110 DEG C, at heat under the conditions of 400 ~ 600 DEG C
Reason 2 ~ 5 hours, obtains pre-processing calcium magnesium silicon ceramic fiber.
4th step, by the pretreatment calcium magnesium silicon ceramic fiber of 40 ~ 50wt%, the B material of 5 ~ 10wt%, 5 ~ 10wt%
The C material, the Ludox of 10 ~ 20wt% and the silicon powder of 10 ~ 20wt% are mixed, and are added water and are stirred into slurry.
5th step, the slurry is injected mould, vacuum dehydration, dry 12 ~ 24 hours under the conditions of 70 ~ 110 DEG C, then
It is heat-treated 0.5 ~ 5 hour under the conditions of 800 ~ 1100 DEG C, natural cooling, high infrared reflection rate fibrous ceramic insulation is obtained.
This specific embodiment has following good effect compared with prior art：
The raw material sources adopted by this specific embodiment are extensive, low production cost；By strict control atmosphere, grain
The operations such as degree, shaping and heat treatment, not only improve the close contact between particulate material and fiber, between various feed particles,
Being formed in situ and grow up there is provided proportional space for potassium titanate crystal whisker, has modified interfibrous pore structure.Thus reducing
While bulk density and the raising strength of materials, increase the high-temperature infrared reflectivity of material, reduce Thermal Conductivity at High Temperature.
High infrared reflection rate fibrous ceramic insulation prepared by this specific embodiment is after testing：Bulk density be 0.2 ~
0.35g/cm3；In the range of 200 ~ 1200 DEG C, thermal conductivity factor is 0.05 ~ 0.12W/ (m K)；Rupture strength is more than 0.4MPa.Can be long
Phase is for the heat preservation and insulation field within 1200 DEG C.
Therefore, the low production cost of this specific embodiment, prepared high infrared reflection rate fibrous ceramic insulation
Have the characteristics that bulk density is low, High anti bending strength and Thermal Conductivity at High Temperature are low；The thermal insulation separation that can be used for for a long time within 1200 DEG C
Hot field.
Claims (7)
1. a kind of preparation method of high infrared reflection rate fibrous ceramic insulation, it is characterised in that the preparation method concrete
Step is：
The first step, the bonding agent of the raw material containing potassium of 20～40wt%, the titaniferous materials of 50～70wt% and 5～10wt% is mixed
Uniformly, compressing under the conditions of 50～100MPa, under the conditions of neutral atmosphere and 800～1200 DEG C, heat treatment 0.5～2 is little
When, natural cooling, obtain heat treatment material I；Then the heat treatment is expected I to crush, grinding, screening, obtain granularity for 0.088～
The B material of the A material of 1mm and granularity less than 0.088mm；
Second step, the A material is soaked in water 12～24 hours, then dries 12～24 hours under the conditions of 70～110 DEG C,
It is heat-treated 0.5～5 hour under the conditions of 1000～1200 DEG C, natural cooling, obtains C material；
3rd step, ceramic fibre is placed in the titanium-containing compound solution that concentration is 5～30wt%, stirs under the conditions of 50～90 DEG C
Mix 0.5～3 hour, filter；Then dry 12～24 hours under the conditions of 70～110 DEG C, at heat under the conditions of 400～800 DEG C
Reason 2～5 hours, obtains pre-processing ceramic fibre；
4th step, by 30～50wt% pretreatment ceramic fibre, the B material of 5～15wt%, 5～15wt% the C
The additive of material, the bonding agent of 10～20wt% and 10～20wt% is mixed, and is added water and is stirred into slurry；
5th step, the slurry is injected mould, vacuum dehydration, dry 12～24 hours under the conditions of 70～110 DEG C, Ran Hou
It is heat-treated 0.5～5 hour under the conditions of 800～1100 DEG C, natural cooling, high infrared reflection rate fibrous ceramic insulation is obtained；
The bonding agent is the one kind in industrial dextrine powder, powdered glucose and Ludox；
The additive is the one kind in silicon powder, alumina powder and titanium dioxide.
2. the preparation method of high infrared reflection rate fibrous ceramic insulation according to claim 1, it is characterised in that described
Raw material containing potassium is the one kind in Anhydrous potassium carbonate, potassium sulfate, potassium chloride, potassium hydroxide, potassium nitrate and saleratus, described containing potassium
The granularity of raw material is less than 0.088mm.
3. the preparation method of high infrared reflection rate fibrous ceramic insulation according to claim 1, it is characterised in that described
Titaniferous materials are titanium dioxide or are metatitanic acid that the granularity of the titaniferous materials is less than 0.088mm.
4. the preparation method of high infrared reflection rate fibrous ceramic insulation according to claim 1, it is characterised in that described
Neutral atmosphere is nitrogen atmosphere or is argon gas atmosphere.
5. the preparation method of high infrared reflection rate fibrous ceramic insulation according to claim 1, it is characterised in that described
Ceramic fibre is the one kind in alumina-silicate ceramic fibre, magnesium silicon ceramic fiber and calcium magnesium silicon ceramic fiber.
6. the preparation method of high infrared reflection rate fibrous ceramic insulation according to claim 1, it is characterised in that described
Titanium-containing compound is titanium trichloride or is titanyl sulfate.
7. a kind of high infrared reflection rate fibrous ceramic insulation, it is characterised in that the high infrared reflection rate ceramic fibre is heat-insulated
Material is the preparation method institute of high infrared reflection rate fibrous ceramic insulation according to any one of claim 1～6
The high infrared reflection rate fibrous ceramic insulation of preparation.
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| CN101041770A (en) * | 2007-03-08 | 2007-09-26 | 中国人民解放军国防科学技术大学 | High-temperature resistant aluminium oxide aerogel heat-proof composite material and method for making same |
| CN101625065A (en) * | 2009-08-17 | 2010-01-13 | 武汉阜成科技有限公司 | High temperature resistance multilayer heat insulating composite material and manufacturing method thereof |
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| CN101041770A (en) * | 2007-03-08 | 2007-09-26 | 中国人民解放军国防科学技术大学 | High-temperature resistant aluminium oxide aerogel heat-proof composite material and method for making same |
| CN101625065A (en) * | 2009-08-17 | 2010-01-13 | 武汉阜成科技有限公司 | High temperature resistance multilayer heat insulating composite material and manufacturing method thereof |
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