CN107415362A - A kind of heat-insulated strong alumina silicate fibre refractory felt - Google Patents
A kind of heat-insulated strong alumina silicate fibre refractory felt Download PDFInfo
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- CN107415362A CN107415362A CN201710528041.1A CN201710528041A CN107415362A CN 107415362 A CN107415362 A CN 107415362A CN 201710528041 A CN201710528041 A CN 201710528041A CN 107415362 A CN107415362 A CN 107415362A
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- alumina silicate
- titanium dioxide
- silicate fibre
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- silica aerogel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B9/047—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material made of fibres or filaments
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/067—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of fibres or filaments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
- B32B5/06—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer characterised by a fibrous or filamentary layer mechanically connected, e.g. by needling to another layer, e.g. of fibres, of paper
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C13/00—Fibre or filament compositions
- C03C13/06—Mineral fibres, e.g. slag wool, mineral wool, rock wool
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/20—All layers being fibrous or filamentary
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/101—Glass fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/304—Insulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
- B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
Abstract
The invention belongs to technical field of refractory materials, specifically disclose a kind of heat-insulated strong alumina silicate fibre refractory felt, alumina silicate fiber felt is placed in nanometer titanium dioxide silica aerogel slurries after impregnating and dried, refractory layer is connected respectively in both sides again, drying forms after being subsequently placed in nanometer titanium dioxide silica aerogel slurries dipping again, the modified alumina silicate fibre braiding of alumina silicate fiber felt forms, modified alumina silicate fibre is by kaolin powder, aluminum oxide, titanium dioxide, dispersant, nanometer titanium dioxide silica aerogel, polyimide resin, silane coupler, aluminum phosphate binder, water is made.Nanometer titanium dioxide silica aerogel slurries are made up of diatomite, atlapulgite, nanometer titanium dioxide silica aerogel, water.The alumina silicate fibre refractory felt of the present invention forms multilayer insulation protection, has good heat-proof quality, had both met insulation of equipment, fireproof demand, turn avoid the too high article for causing operating personnel's scald or infringement contact of temperature of refractory felt outer surface.
Description
Technical field
The invention belongs to technical field of refractory materials, and in particular to a kind of heat-insulated strong alumina silicate fibre refractory felt.
Background technology
Refractory felt is using refractory fibre as raw material, added after bonding agent through insulating refractory fiber system made of extrusion forming
Product, it is different according to the kind using bonding agent and production technology, can be divided into refractory fibre wet method felt, refractory fibre dry method felt with
And the wet felt of refractory fibre, it can be used for the adiabatic heat-insulations of various thermal-energy equipments, various Industrial Stoves, boiler, petrochemical industry pyrolysis furnace
Liner, and heat distribution pipeline adiabatic heat-insulation, skyscraper heat-insulation and heat-preservation, sound-absorbing, fire prevention.Although refractory felt can play fire resisting guarantor
The effect of temperature, but the problem of heat-proof quality is general or insufficient be present in most refractory felt, heat-proof quality is bad to cause two
The problem of aspect, effective insulation effect can not be played first, secondly the surface of refractory felt is easily scalded operating personnel or connect
Tactile article.
Chinese patent 2010105805583, a kind of fireproof heat insulation wet felt of patent name and its production technology, date of application
Disclose the fireproof heat insulation wet felt prepared by inorfil blanket felt and inorganic bond and preparation method on December 9th, 2012,
Wet felt convenience is bent, and wet strength is good, but does not solve the problems, such as that effect of heat insulation is general or insufficient.
The content of the invention
The problem of heat-proof quality is general or insufficient be present for existing refractory felt, it is an object of the invention to provide one kind every
Hot strong alumina silicate fibre refractory felt, there is good heat-proof quality, both met insulation of equipment, fireproof demand, and avoided again
The temperature of refractory felt outer surface is too high to cause operating personnel to scald or the article of infringement contact.
The present invention provides following technical scheme：
A kind of heat-insulated strong alumina silicate fibre refractory felt, the alumina silicate fibre refractory felt, will using alumina silicate fiber felt as matrix
Alumina silicate fiber felt is placed in nanometer titanium dioxide silica aerogel slurries and dried after dipping, then connects refractory layer respectively in both sides, so
After be placed in nanometer titanium dioxide silica aerogel slurries again dipping after drying form.
As a modification of the present invention, the modified alumina silicate fibre braiding of alumina silicate fiber felt forms, the modified silicon
Sour aluminum fiber is prepared by the component of following parts by weight：100~126 parts of kaolin powder, 8~14 parts of aluminum oxide, titanium dioxide 2
~6 parts, 5~10 parts of dispersant, 20~36 parts of nanometer titanium dioxide silica aerogel, 8~12 parts of polyimide resin, silane coupler
2~7 parts, 4~8 parts of aluminum phosphate binder, 200~300 parts of water.
As a modification of the present invention, the modified alumina silicate fibre is prepared through procedure below：（1）Xiang Shuizhong adds
Enter kaolin powder, aluminum oxide, titanium dioxide, aluminum phosphate binder and suspension slurry is made；（2）Add phosphoric acid regulation suspension slurry
PH value is heated to 40~50 DEG C and kept for 16~24 hours to 4~6；（3）Silane coupler, nanometer two are added into suspension slurry
Silica aerogel, polyimide resin, dispersant stir evenly to obtain mixed serum；（4）Mixed serum is heated to 400~450 DEG C
To melting feed liquid, obtain being modified alumina silicate fibre through spinning.
As a modification of the present invention, the screen cloth sieving through 800~1000 mesh after the kaolin powder grinding, then pass through
Used after 600~800 DEG C of calcinings processing in 2~4 hours.
As a modification of the present invention, the nanometer titanium dioxide silica aerogel slurries are prepared by procedure below：Point
Not Yan Mo diatomite, atlapulgite sieved through 600~1000 eye mesh screens, by 21~29 parts of diatomite, the atlapulgite of parts by weight
10~16 parts are made nanometer titanium dioxide silica aerogel slurry with 200~300 parts of 36~50 parts of nanometer titanium dioxide silica aerogel, water mixings
Liquid.
As a modification of the present invention, the refractory layer presses quality by resurrection glass fibre and modified alumina silicate fibre
Than for 100:43~57 shufflings form, and the mass content that the silica in resurrection glass fibre contains is 68%~79%.
As a modification of the present invention, the alumina silicate fibre refractory felt is prepared by procedure below：By alumina silicate
Fibrofelt, which is placed in 20~30 DEG C of nanometer titanium dioxide silica aerogel slurries, to be soaked 4~7 hours, then is placed in the stage in ventilated environment
Heat preservation and dryness, then sewed up through resurrection glass fibre and refractory layer, be again placed in 20~30 DEG C of nano silicon airsetting
Soaked 4~7 hours in rubber cement liquid, be subsequently placed in stage heat preservation and dryness in ventilated environment.
As a modification of the present invention, the rate of venting of stage heat preservation and dryness is 3~6m/s, the temperature of each holding stage
Respectively：300 DEG C/60~90 minutes, 500 DEG C/2~4 hours, 700 DEG C/60~90 minutes, then Temperature fall.
The present invention alumina silicate fibre refractory felt using be modified alumina silicate fibre braiding alumina silicate fiber felt as matrix, through receiving
Dried after being impregnated in rice aerosil slurries, then refractory layer is connected respectively in both sides, be subsequently placed in nano silicon
Impregnation drying forms again in aeroge slurries.With kaolin powder, aluminum oxide, titanium white in alumina silicate fibre preparation modified first
Powder is inorganic fire proof material, and fire resistance is high, at the same add polyimide resin, nanometer titanium dioxide silica aerogel is modified increasing
Strong heat-proof quality.Polyimide resin can be abundant with kaolin powder as dispersant through titanium dioxide with resistance to 400 DEG C of high temperature
Mix, and crosslinking net Rotating fields are formed on kaolin powder surface in the presence of silane coupler, there is well heat-insulated
Heat insulation effect.Nanometer titanium dioxide silica aerogel has good cementation, strengthens the intensity of modified alumina silicate fibre, receives simultaneously
Rice aerosil has high porosity and extremely low thermal conductivity, is added in modified alumina silicate fibre and strengthens
The heat insulation and preservation effect of polyimide resin.Secondly in alumina silicate fiber felt two after nanometer titanium dioxide silica aerogel slurry
Side forms heat-insulated dipping layer, and the diatomite, atlapulgite in nanometer titanium dioxide silica aerogel slurries have abundant pore space structure,
And in the bonding of nanometer titanium dioxide silica aerogel, make to form the insulation hole full of air in heat-insulated dipping layer, so as to strengthen modification
The effect of heat insulation of alumina silicate fibre.Alumina silicate fiber felt both sides connection refractory layer after impregnating again, the high silicon in refractory layer
The heat and flame performance of the glass fiber-reinforced alumina silicate fiber felt of oxygen, and alumina silicate fibre is modified with impregnating the heat-insulated of formation again
Impregnating layer has further reinforcing effect of heat insulation, so that alumina silicate fiber felt forms multilayer insulation protection, makes refractory felt appearance
Face during normal use forms 30~80 DEG C of the temperature difference between the inner surface with contacting kiln, industrial furnace etc., have well resistance to
Hot insulation effect, while avoid the temperature of refractory felt outer surface is too high from causing the article that operating personnel scald or infringement contacts.
Beneficial effects of the present invention are as follows：
The strong alumina silicate fibre refractory felt of thermal insulation of the present invention, form multilayer insulation protection from inside to outside, have it is good every
Hot property, insulation of equipment, fireproof demand were both met, the temperature that turn avoid refractory felt outer surface too high causes operating personnel to scald
Wound or the article of infringement contact.
Embodiment
Just the embodiment of the present invention is described further below.
Unless otherwise instructed, the raw material employed in the present invention is commercially available or commonly used in the art, such as
Without special instruction, the method in following embodiments is the conventional method of this area.
Embodiment 1
A kind of heat-insulated strong alumina silicate fibre refractory felt, using alumina silicate fiber felt as matrix, nanometer is placed in by alumina silicate fiber felt
Dried after being impregnated in aerosil slurries, then connect refractory layer respectively in both sides, be subsequently placed in nano silicon
Impregnation drying forms again in aeroge slurries.
The wherein preferably modified alumina silicate fibre braiding of alumina silicate fiber felt forms；Nanometer titanium dioxide silica aerogel slurries are excellent
Choosing is prepared by procedure below：Diatomite, atlapulgite are ground respectively and is sieved through 700 eye mesh screens, by diatomite 21g, work
Property carclazyte 10g and nanometer titanium dioxide silica aerogel 36g, water 200g mix nanometer titanium dioxide silica aerogel slurries be made；Refractory layer
It is preferred that it is 100 in mass ratio by resurrection glass fibre and modified alumina silicate fibre:43 shufflings form, in resurrection glass fibre
The mass content that contains of silica be 68%.
Modified alumina silicate fibre is preferably prepared by procedure below：（1）Grind kaolin powder and through the screen cloth of 800 mesh
Sieving, then calcine 2 hours for 600 DEG C；（2）Kaolin powder 100g, aluminum oxide 8g, titanium dioxide 2g, phosphorus are added into 200g water
Suspension slurry is made in sour al binder 4g；（3）The pH value of phosphoric acid regulation suspension slurry is added to 4, it is small to be heated to 40 DEG C of holdings 16
When；（4）Dispersant 5g, nanometer titanium dioxide silica aerogel 20g, polyimide resin 8g, silane coupled is added into suspension slurry
Agent 2g stirs evenly to obtain mixed serum；（5）Heating mixed serum obtains melting feed liquid to 400 DEG C, is then fed into device for spinning with 300
M/min speed spinning obtains being modified alumina silicate fibre.
The preferred preparation process of alumina silicate fibre refractory felt is as follows：Alumina silicate fiber felt is placed in 20 DEG C of nanometer titanium dioxide
Soaked 4 hours in silica aerogel slurries, then be placed in stage heat preservation and dryness in ventilated environment, then through resurrection glass fibre with it is resistance to
Thermosphere sews up, and is again placed in soaking 4 hours in 20 DEG C of nanometer titanium dioxide silica aerogel slurries, is subsequently placed in ventilated environment scala media
Section heat preservation and dryness, preferable rate of venting is 3m/s, and the temperature of each holding stage is respectively：300 DEG C/60 minutes, it is 500 DEG C/2 small
When, 700 DEG C/60 minutes, then Temperature fall.
The thermal conductivity factor of the alumina silicate fibre refractory felt prepared by the above method is 0.35 ± 0.2W/（m·k）, thermal insulation
Well.
Embodiment 2
A kind of heat-insulated strong alumina silicate fibre refractory felt, using alumina silicate fiber felt as matrix, nanometer is placed in by alumina silicate fiber felt
Dried after being impregnated in aerosil slurries, then connect refractory layer respectively in both sides, be subsequently placed in nano silicon
Impregnation drying forms again in aeroge slurries.
The wherein preferably modified alumina silicate fibre braiding of alumina silicate fiber felt forms；Nanometer titanium dioxide silica aerogel slurries are excellent
Choosing is prepared by procedure below：Diatomite, atlapulgite are ground respectively and is sieved through 900 eye mesh screens, by diatomite 25g, work
Property carclazyte 23g and nanometer titanium dioxide silica aerogel 43g, water 250g mix nanometer titanium dioxide silica aerogel slurries be made；Refractory layer
It is preferred that it is 100 in mass ratio by resurrection glass fibre and modified alumina silicate fibre:50 shufflings form, in resurrection glass fibre
The mass content that contains of silica be 72%.
Modified alumina silicate fibre is preferably prepared by procedure below：（1）Grind kaolin powder and through the screen cloth of 900 mesh
Sieving, then calcine 3 hours for 700 DEG C；（2）Added into 250g water kaolin powder 113g, aluminum oxide 11g, titanium dioxide 4g,
Suspension slurry is made in aluminum phosphate binder 6g；（3）The pH value of phosphoric acid regulation suspension slurry is added to 5,45 DEG C is heated to and keeps 20
Hour；4）Dispersant 7.5g, nanometer titanium dioxide silica aerogel 28g, polyimide resin 10g, silane are added into suspension slurry
Coupling agent 4.5g stirs evenly to obtain mixed serum；（5）Heating mixed serum obtains melting feed liquid to 420 DEG C, is then fed into device for spinning
Obtain being modified alumina silicate fibre with 360 m/min speed spinning.
The preferred preparation process of alumina silicate fibre refractory felt is as follows：Alumina silicate fiber felt is placed in 25 DEG C of nanometer titanium dioxide
Soaked 6 hours in silica aerogel slurries, then be placed in stage heat preservation and dryness in ventilated environment, then through resurrection glass fibre with it is resistance to
Thermosphere sews up, and is again placed in soaking 6 hours in 25 DEG C of nanometer titanium dioxide silica aerogel slurries, is subsequently placed in ventilated environment scala media
Section heat preservation and dryness, preferable rate of venting is 5m/s, and the temperature of each holding stage is respectively：300 DEG C/75 minutes, it is 500 DEG C/3 small
When, 700 DEG C/75 minutes, then Temperature fall.
The thermal conductivity factor of the alumina silicate fibre refractory felt prepared by the above method is 0.35 ± 0.2W/（m·k）, thermal insulation
Well.
Embodiment 3
A kind of heat-insulated strong alumina silicate fibre refractory felt, using alumina silicate fiber felt as matrix, nanometer is placed in by alumina silicate fiber felt
Dried after being impregnated in aerosil slurries, then connect refractory layer respectively in both sides, be subsequently placed in nano silicon
Impregnation drying forms again in aeroge slurries.
The wherein preferably modified alumina silicate fibre braiding of alumina silicate fiber felt forms；Nanometer titanium dioxide silica aerogel slurries are excellent
Choosing is prepared by procedure below：Diatomite, atlapulgite are ground respectively and is sieved through 1000 eye mesh screens, by diatomite 29g, work
Property carclazyte 16g and nanometer titanium dioxide silica aerogel 50g, water 300g mix nanometer titanium dioxide silica aerogel slurries be made；Refractory layer
It is preferred that it is 100 in mass ratio by resurrection glass fibre and modified alumina silicate fibre:57 shufflings form, resurrection glass fibre
In the mass content that contains of silica be 79%.
Modified alumina silicate fibre is preferably prepared by procedure below：（1）Grind kaolin powder and through the sieve of 1000 mesh
Net sieving, then calcine 4 hours for 800 DEG C；（2）Kaolin powder 126g, aluminum oxide 14g, titanium dioxide are added into 300g water
Suspension slurry is made in 6g, aluminum phosphate binder 8g；（3）The pH value of phosphoric acid regulation suspension slurry is added to 6, is heated to 50 DEG C of holdings
24 hours；4）Dispersant 10g, nanometer titanium dioxide silica aerogel 36g, polyimide resin 12g, silane are added into suspension slurry
Coupling agent 7g stirs evenly to obtain mixed serum；（5）Heating mixed serum obtains melting feed liquid to 450 DEG C, is then fed into device for spinning and exists
Spinning obtains being modified alumina silicate fibre at 200~230 DEG C.
The preferred preparation process of alumina silicate fibre refractory felt is as follows：Alumina silicate fiber felt is placed in 30 DEG C of nanometer titanium dioxide
Soaked 7 hours in silica aerogel slurries, then be placed in stage heat preservation and dryness in ventilated environment, then through resurrection glass fibre with it is resistance to
Thermosphere sews up, and is again placed in soaking 7 hours in 30 DEG C of nanometer titanium dioxide silica aerogel slurries, is subsequently placed in ventilated environment scala media
Section heat preservation and dryness, preferable rate of venting is 6m/s, and the temperature of each holding stage is respectively：300 DEG C/90 minutes, it is 500 DEG C/4 small
When, 700 DEG C/90 minutes, then Temperature fall.
The thermal conductivity factor of the alumina silicate fibre refractory felt prepared by the above method is 0.35 ± 0.2W/（m·k）, thermal insulation
Well.
Claims (8)
1. a kind of heat-insulated strong alumina silicate fibre refractory felt, it is characterised in that the alumina silicate fibre refractory felt is with aluminium silicate fiber
Dimension felt is matrix, alumina silicate fiber felt is placed in nanometer titanium dioxide silica aerogel slurries after impregnating and dried, then distinguished in both sides
Refractory layer is connected, drying after impregnating again is subsequently placed in nanometer titanium dioxide silica aerogel slurries and forms.
2. heat-insulated strong alumina silicate fibre refractory felt according to claim 1, it is characterised in that alumina silicate fiber felt is through changing
Property alumina silicate fibre braiding form, the modified alumina silicate fibre is prepared by the component of following parts by weight：Kaolin powder
100~126 parts, 8~14 parts of aluminum oxide, 2~6 parts of titanium dioxide, 5~10 parts of dispersant, nanometer titanium dioxide silica aerogel 20~36
Part, 8~12 parts of polyimide resin, 2~7 parts of silane coupler, 4~8 parts of aluminum phosphate binder, 200~300 parts of water.
3. heat-insulated strong alumina silicate fibre refractory felt according to claim 2, it is characterised in that the modified aluminium silicate fiber
Dimension is prepared through procedure below：（1）Xiang Shuizhong additions kaolin powder, aluminum oxide, titanium dioxide, aluminum phosphate binder are made outstanding
Laitance liquid；（2）The pH value of phosphoric acid regulation suspension slurry is added to 4~6,40~50 DEG C is heated to and is kept for 16~24 hours；（3）To
Silane coupler, nanometer titanium dioxide silica aerogel, polyimide resin, dispersant are added in suspension slurry and stirs evenly to obtain mixing slurry
Liquid；（4）Heating mixed serum obtains melting feed liquid to 400~450 DEG C, obtains being modified alumina silicate fibre through spinning.
4. heat-insulated strong alumina silicate fibre refractory felt according to claim 3, it is characterised in that the kaolin powder is ground
Screen cloth sieving through 800~1000 mesh after mill, then used after 600~800 DEG C of calcinings processing in 2~4 hours.
5. heat-insulated strong alumina silicate fibre refractory felt according to claim 1, it is characterised in that the nano silicon
Aeroge slurries are prepared by procedure below：Grinding diatomite, atlapulgite sieve through 600~1000 eye mesh screens respectively, will
10~16 parts of 21~29 parts of diatomite, the atlapulgite of parts by weight and 36~50 parts of nanometer titanium dioxide silica aerogel, water 200~
Nanometer titanium dioxide silica aerogel slurries are made in 300 parts of mixings.
6. heat-insulated strong alumina silicate fibre refractory felt according to claim 1, it is characterised in that the refractory layer is by high silicon
Oxygen glass fibre is 100 in mass ratio with modified alumina silicate fibre:43~57 shufflings form, the dioxy in resurrection glass fibre
The mass content that SiClx contains is 68%~79%.
7. heat-insulated strong alumina silicate fibre refractory felt according to claim 1, it is characterised in that the alumina silicate fibre is resistance to
Fiery felt is prepared by procedure below：Alumina silicate fiber felt is placed in 20~30 DEG C of nanometer titanium dioxide silica aerogel slurries and soaked
Bubble 4~7 hours, then stage heat preservation and dryness in ventilated environment is placed in, then sewed up through resurrection glass fibre and refractory layer, again
It is placed in 20~30 DEG C of nanometer titanium dioxide silica aerogel slurries and soaks 4~7 hours, the stage in ventilated environment that is subsequently placed in is incubated
Dry.
8. heat-insulated strong alumina silicate fibre refractory felt according to claim 7, it is characterised in that stage heat preservation and dryness leads to
Airspeed is 3~6m/s, and the temperature of each holding stage is respectively：300 DEG C/60~90 minutes, 500 DEG C/2~4 hours, 700 DEG C/
60~90 minutes, then Temperature fall.
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| CN107415362B CN107415362B (en) | 2019-03-19 |
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| CN (1) | CN107415362B (en) |
Cited By (14)
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| CN108439858A (en) * | 2018-03-28 | 2018-08-24 | 许水仙 | A kind of preparation method of expansion heat insulation type fire proofing material |
| CN108892469A (en) * | 2018-09-25 | 2018-11-27 | 张连军 | A kind of building decoration fire proofing material and preparation method thereof |
| CN109208324A (en) * | 2018-09-20 | 2019-01-15 | 方建波 | A kind of preparation method of interior expansion nano hole heat-insulating material |
| CN109456066A (en) * | 2018-10-29 | 2019-03-12 | 郑州远东耐火材料有限公司 | A kind of preparation method of flexibility electric arc furnaces sealing thermal insulation material |
| CN109650841A (en) * | 2018-12-14 | 2019-04-19 | 公安部四川消防研究所 | A kind of fireproof sound-insulation thermal insulation wet gel complex material and preparation method thereof |
| CN110003542A (en) * | 2019-02-28 | 2019-07-12 | 常州苏通海平机电科技有限公司 | A kind of preparation method of heat-resistant anticorrosive rubber tube |
| CN110479237A (en) * | 2019-09-17 | 2019-11-22 | 山东丰硕化工有限公司 | The preparation process of hexamethylene synthetic catalyst |
| CN110843281A (en) * | 2019-09-26 | 2020-02-28 | 宜兴市宏业保温工程有限公司 | Preparation method of aluminum silicate felt for filling coke oven door |
| CN111253145A (en) * | 2020-03-20 | 2020-06-09 | 上海大音希声新型材料有限公司 | Fiber-reinforced sound absorption composite material and preparation method thereof |
| CN111363390A (en) * | 2020-05-18 | 2020-07-03 | 姜文涛 | High-heat-conductivity wear-resistant coating for circulating fluidized bed boiler |
| CN111662067A (en) * | 2020-06-05 | 2020-09-15 | 深圳市达鸿新材料科技有限公司 | Aluminum silicate high-temperature-resistant cotton for fireproof coiled material and preparation method thereof |
| CN111925224A (en) * | 2020-07-11 | 2020-11-13 | 巩义市泛锐熠辉复合材料有限公司 | Aluminum silicate fiber paper for aerogel felt and preparation method thereof |
| CN113135001A (en) * | 2021-04-25 | 2021-07-20 | 杭州萧山红垦保温防腐有限公司 | Aluminum silicate cotton felt and manufacturing method thereof |
| CN115748243A (en) * | 2022-11-15 | 2023-03-07 | 山东鲁阳节能材料股份有限公司 | High-temperature-resistant wet fiber blanket felt and preparation method thereof |
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| CN205439395U (en) * | 2015-12-24 | 2016-08-10 | 嘉兴启晟碳材料有限公司 | Thermal -insulated felt of whole composite construction aerogel heat preservation |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108439858A (en) * | 2018-03-28 | 2018-08-24 | 许水仙 | A kind of preparation method of expansion heat insulation type fire proofing material |
| CN109208324A (en) * | 2018-09-20 | 2019-01-15 | 方建波 | A kind of preparation method of interior expansion nano hole heat-insulating material |
| CN108892469A (en) * | 2018-09-25 | 2018-11-27 | 张连军 | A kind of building decoration fire proofing material and preparation method thereof |
| CN109456066B (en) * | 2018-10-29 | 2021-08-27 | 郑州远东耐火材料有限公司 | Preparation method of flexible electric arc furnace sealing heat-insulating material |
| CN109456066A (en) * | 2018-10-29 | 2019-03-12 | 郑州远东耐火材料有限公司 | A kind of preparation method of flexibility electric arc furnaces sealing thermal insulation material |
| CN109650841A (en) * | 2018-12-14 | 2019-04-19 | 公安部四川消防研究所 | A kind of fireproof sound-insulation thermal insulation wet gel complex material and preparation method thereof |
| CN110003542A (en) * | 2019-02-28 | 2019-07-12 | 常州苏通海平机电科技有限公司 | A kind of preparation method of heat-resistant anticorrosive rubber tube |
| CN110479237A (en) * | 2019-09-17 | 2019-11-22 | 山东丰硕化工有限公司 | The preparation process of hexamethylene synthetic catalyst |
| CN110843281A (en) * | 2019-09-26 | 2020-02-28 | 宜兴市宏业保温工程有限公司 | Preparation method of aluminum silicate felt for filling coke oven door |
| CN111253145A (en) * | 2020-03-20 | 2020-06-09 | 上海大音希声新型材料有限公司 | Fiber-reinforced sound absorption composite material and preparation method thereof |
| CN111363390A (en) * | 2020-05-18 | 2020-07-03 | 姜文涛 | High-heat-conductivity wear-resistant coating for circulating fluidized bed boiler |
| CN111662067A (en) * | 2020-06-05 | 2020-09-15 | 深圳市达鸿新材料科技有限公司 | Aluminum silicate high-temperature-resistant cotton for fireproof coiled material and preparation method thereof |
| CN111925224A (en) * | 2020-07-11 | 2020-11-13 | 巩义市泛锐熠辉复合材料有限公司 | Aluminum silicate fiber paper for aerogel felt and preparation method thereof |
| CN113135001A (en) * | 2021-04-25 | 2021-07-20 | 杭州萧山红垦保温防腐有限公司 | Aluminum silicate cotton felt and manufacturing method thereof |
| CN113135001B (en) * | 2021-04-25 | 2022-06-24 | 杭州萧山红垦保温防腐有限公司 | Aluminum silicate cotton felt and manufacturing method thereof |
| CN115748243A (en) * | 2022-11-15 | 2023-03-07 | 山东鲁阳节能材料股份有限公司 | High-temperature-resistant wet fiber blanket felt and preparation method thereof |
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