CN108455906A - A kind of ceramic beaverboard and preparation method thereof - Google Patents
A kind of ceramic beaverboard and preparation method thereof Download PDFInfo
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- CN108455906A CN108455906A CN201810530575.2A CN201810530575A CN108455906A CN 108455906 A CN108455906 A CN 108455906A CN 201810530575 A CN201810530575 A CN 201810530575A CN 108455906 A CN108455906 A CN 108455906A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/28—Polysaccharides or derivatives thereof
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/28—Polysaccharides or derivatives thereof
- C04B26/285—Cellulose or derivatives thereof
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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Abstract
The present invention provides a kind of ceramic beaverboards, are prepared by the raw material including following components：The parts by weight of 40 parts by weight of ceramic fibre~60；The parts by weight of 0 parts by weight of alkali-free glass fibre~16；The parts by weight of 5 parts by weight of kaolin~15；The parts by weight of 5 parts by weight of attapulgite~15；The parts by weight of 10 parts by weight of expanded perlite~20；The parts by weight of 2 parts by weight of organic bond~6；The parts by weight of 1 parts by weight of smoke elimination auxiliary agent~6；The smoke elimination auxiliary agent is selected from ferrocene and/or aluminium hydroxide.Compared with prior art, ceramic beaverboard provided by the invention uses the raw material of specific dosage, has good interaction between each component, the ceramic beaverboard being prepared while having lower smoke-producing amount and preferable mechanical strength, and production cost is low, is conducive to production application.The experimental results showed that the compressive resistance of ceramic beaverboard provided by the invention is in 0.11MPa or more, TSP600Smoke-producing amount is no more than 32m2, production cost can control within 0.75 ten thousand yuan/ton.
Description
Technical field
The present invention relates to technical field of refractory materials more particularly to a kind of ceramic beaverboard and preparation method thereof.
Background technology
Ceramic beaverboard has the characteristics that lightweight, high-strength, low heat conduction, is the heat-insulated preferred material of kiln backing.Traditional ceramics
Fiberboard usually requires to ensure its mechanical strength, but a large amount of organic knots by adding the organic bonds such as starch, resin, cellulose
The introducing of mixture can cause to generate a large amount of flue gases during use, pollute environment, while can bring security risk.
In this regard, the Chinese patent of Publication No. CN103755262A discloses a kind of High-temperature resistant ceramic fiber plate, by as follows
The raw material of parts by weight is made：95~96 parts of alumina silicate fibre；1~2 part of dispersant, ingredient Na2SiO3And CaCO3Mixing
Object；3~4 parts of zirconium latex, ingredient ZrO2、Y2O3And H2O2Mixture；By the way that raw material is mixed, wet method vacuum forming,
Dry processing, drying temperature 110-120 degree, obtain product at time 22-24 hour.The ceramic beaverboard is not added with combination
Agent is purely inorganic product, smoke-free and tasteless under high temperature, so as to effectively solve to generate a large amount of cigarettes during ceramic beaverboard use
The problem of gas.
But there are certain defects for the above method：First, production cost is higher, the raw material composition of zirconium latex be cost compared with
High material is unfavorable for realizing industrialized production；Second is that after the completion of dry, because making without effective bond between fiber and powder
With normal temperature strength is excessively poor；And in order to ensure its intensity, it needs to calcine product, cost can be further increased, be unfavorable for
The popularization and application at position are kept the temperature in kiln backing.
Invention content
In view of this, the purpose of the present invention is to provide a kind of ceramic beaverboard and preparation method thereof, it is provided by the invention
Ceramic beaverboard has lower smoke-producing amount and preferable mechanical strength simultaneously, and production cost is low, is conducive to production application.
The present invention provides a kind of ceramic beaverboards, are prepared by the raw material including following components：
The parts by weight of 40 parts by weight of ceramic fibre~60；
The parts by weight of 0 parts by weight of alkali-free glass fibre~16；
The parts by weight of 5 parts by weight of kaolin~15；
The parts by weight of 5 parts by weight of attapulgite~15；
The parts by weight of 10 parts by weight of expanded perlite~20；
The parts by weight of 2 parts by weight of organic bond~6；
The parts by weight of 1 parts by weight of smoke elimination auxiliary agent~6；
The smoke elimination auxiliary agent is selected from ferrocene and/or aluminium hydroxide.
Preferably, the average diameter of the ceramic fibre is 3 μm~5 μm, and length is 10mm~30mm；
The chemical composition of the ceramic fibre includes：Alumina content >=44%, aluminium oxide and silica resultant >=
96%.
Preferably, the average diameter of the alkali-free glass fibre is 6 μm~10 μm, and length is 10mm~20mm.
Preferably, the bulk density of the expanded perlite is 70kg/m3~100kg/m3。
Preferably, the organic bond is selected from starch and/or cellulose.
Preferably, the mass ratio of the organic bond and smoke elimination auxiliary agent is 1：(0.5~1).
The present invention also provides a kind of preparation methods of the ceramic beaverboard described in above-mentioned technical proposal, including following step
Suddenly：
A) by ceramic fibre, alkali-free glass fibre, kaolin, attapulgite, expanded perlite, organic bond and smoke elimination
Auxiliary agent carries out mashing processing in water, obtains mixed slurry；
B) mixed slurry that step a) is obtained is molded and is dried successively, obtain ceramic beaverboard.
Preferably, the process for processing being beaten described in step a) is specially：
Ceramic fibre, alkali-free glass fibre, kaolin, attapulgite and expanded perlite are carried out in water to beat for the first time
Slurry adds organic bond and smoke elimination auxiliary agent carries out second and is beaten, obtain mixed slurry after mixing.
Preferably, molding mode described in step b) is vacuum suction filter；The vacuum degree of the vacuum suction filter is 400mmHg
~550mmHg.
Preferably, temperature dry described in step b) is 90 DEG C~140 DEG C, and the time is 20h~25h.
The present invention provides a kind of ceramic beaverboards, are prepared by the raw material including following components：40 weight of ceramic fibre
Measure the parts by weight of part~60；The parts by weight of 0 parts by weight of alkali-free glass fibre~16；The parts by weight of 5 parts by weight of kaolin~15；Attapulgite
The parts by weight of 5 parts by weight~15；The parts by weight of 10 parts by weight of expanded perlite~20；The parts by weight of 2 parts by weight of organic bond~6；Disappear
The parts by weight of 1 parts by weight of cigarette auxiliary agent~6；The smoke elimination auxiliary agent is selected from ferrocene and/or aluminium hydroxide.Compared with prior art, originally
The ceramic beaverboard that invention provides uses the raw material of specific dosage, has good interaction between each component, is prepared
Ceramic beaverboard there is lower smoke-producing amount and preferable mechanical strength simultaneously, and production cost is low, is conducive to production and answers
With.The experimental results showed that the compressive resistance of ceramic beaverboard provided by the invention is in 0.11MPa or more, TSP600Smoke-producing amount does not surpass
Cross 32m2, production cost can control within 0.75 ten thousand yuan/ton.
Specific implementation mode
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
The every other embodiment that technical staff is obtained without making creative work belongs to the model that the present invention protects
It encloses.
The present invention provides a kind of ceramic beaverboards, are prepared by the raw material including following components：
The parts by weight of 40 parts by weight of ceramic fibre~60；
The parts by weight of 0 parts by weight of alkali-free glass fibre~16；
The parts by weight of 5 parts by weight of kaolin~15；
The parts by weight of 5 parts by weight of attapulgite~15；
The parts by weight of 10 parts by weight of expanded perlite~20；
The parts by weight of 2 parts by weight of organic bond~6；
The parts by weight of 1 parts by weight of smoke elimination auxiliary agent~6；
The smoke elimination auxiliary agent is selected from ferrocene and/or aluminium hydroxide.
In the present invention, the average diameter of the ceramic fibre is preferably 3 μm~5 μm, more preferably 3 μm~4 μm；It is described
The length of ceramic fibre is preferably 10mm~30mm, and in the preferred embodiment of the invention, the length of the ceramic fibre is distinguished
For 30mm, 20mm and 10mm.In the present invention, the chemical composition of the ceramic fibre preferably includes：Alumina content >=44%,
Aluminium oxide and silica resultant >=96%, more preferably：Alumina content 46%~50%, aluminium oxide and silica resultant
It is 96%~98%.The present invention is not particularly limited the source of the ceramic fibre, and use is well known to those skilled in the art
Commercial goods.
In the present invention, the ceramic beaverboard includes the ceramic fibre of the parts by weight of 40 parts by weight~60, excellent in the present invention
In the embodiment of choosing, the ceramic beaverboard respectively includes the ceramic fibre of 40 parts by weight, the ceramic fibre of 50 parts by weight and 60
The ceramic fibre of parts by weight.
In the present invention, the average diameter of the alkali-free glass fibre is preferably 6 μm~10 μm, more preferably 8 μm~10 μ
m；The length of the alkali-free glass fibre is preferably 10mm~20mm, more preferably 15mm~20mm.The present invention is to the alkali-free
The source of glass fibre is not particularly limited, using commercial goods well known to those skilled in the art.
In the present invention, the ceramic beaverboard includes the alkali-free glass fibre of the parts by weight of 0 parts by weight~16, in the present invention
In preferred embodiment, the ceramic beaverboard respectively include the alkali-free glass fibre of 16 parts by weight, 10 parts by weight alkali-free glass
The alkali-free glass fibre of glass fiber and 0 parts by weight.
In the present invention, the kaolinic mesh number is preferably the mesh of 200 mesh~300, in the preferred embodiment of the invention,
The kaolinic mesh number is respectively 300 mesh, 270 mesh and 200 mesh.The present invention does not have special limit to the kaolinic source
System, using commercial goods well known to those skilled in the art.
In the present invention, the ceramic beaverboard includes the kaolin of the parts by weight of 5 parts by weight~15, currently preferred
In embodiment, the ceramic beaverboard respectively includes the height of the kaolin of 15 parts by weight, the kaolin of 10 parts by weight and 5 parts by weight
Ridge soil.
In the present invention, the mesh number of the attapulgite is preferably the mesh of 200 mesh~300, in the preferred embodiment of the invention
In, the mesh number of the attapulgite is respectively 200 mesh, 270 mesh and 300 mesh.The present invention does not have the source of the attapulgite
It is specifically limited, using commercial goods well known to those skilled in the art.
In the present invention, the ceramic beaverboard includes the attapulgite of the parts by weight of 5 parts by weight~15, it is of the invention preferably
Embodiment in, the ceramic beaverboard respectively includes the attapulgite of 6 parts by weight, the attapulgite of 5 parts by weight and 15 weight
The attapulgite of part.
In the present invention, the bulk density of the expanded perlite is preferably 70kg/m3~100kg/m3, excellent in the present invention
In the embodiment of choosing, the bulk density of the expanded perlite is respectively 90kg/m3、70kg/m3And 100kg/m3.The present invention couple
The source of the expanded perlite is not particularly limited, using commercial goods well known to those skilled in the art.
In the present invention, the ceramic beaverboard includes the expanded perlite of the parts by weight of 10 parts by weight~20, in the present invention
In preferred embodiment, the ceramic beaverboard respectively include the expanded perlite of 20 parts by weight, 15 parts by weight expanded pearlite
The expanded perlite of rock and 10 parts by weight.
In the present invention, the organic bond is preferably selected from starch and/or cellulose, more preferably starch or fiber
Element.The present invention can make fiber (ceramic fibre, alkali-free glass fibre) and kaolin, concave convex rod using above-mentioned organic bond
Soil, expanded perlite and smoke elimination auxiliary agent are effectively bonded together, and ensure the normal temperature strength of product.The present invention is to the combination
The source of agent is not particularly limited, using the commercial goods of above-mentioned starch and cellulose well known to those skilled in the art.
In the present invention, the ceramic beaverboard includes the organic bond of the parts by weight of 2 parts by weight~6, excellent in the present invention
In the embodiment of choosing, the ceramic beaverboard respectively includes the organic bond of 2 parts by weight, the organic bond of 6 parts by weight and 5
The organic bond of parts by weight.
In the present invention, the smoke elimination auxiliary agent is selected from ferrocene and/or aluminium hydroxide, preferably ferrocene or hydroxide
Aluminium.In the present invention, imperfect combustion can occur in thermal histories and form carburization zone, the ferrocene for the organic bond
Energy dissipating is enough to be converted into α-Fe in thermal histories2O3, and α-Fe2O3Carburization zone calcination, catalysis oxidation carburization zone can be caused to become one
Carbonoxide and carbon dioxide, wherein carbon monoxide will continue to burn under high temperature and oxidation environment, carbon dioxide be generated, to subtract
The generation of few carbon black and carbon monoxide, it is final to realize the generation for reducing flue gas；The aluminium hydroxide can decompose in thermal histories
A large amount of heat can be absorbed by generating aluminium oxide and water, dehydration, inhibit the burning of the organic bond, while the water released
Steam can cover combustible, block its contact with oxygen, to reduce the generation of flue gas.The present invention is to the smoke elimination auxiliary agent
Source be not particularly limited, the commercial goods using above-mentioned ferrocene well known to those skilled in the art and aluminium hydroxide are
It can.
In the present invention, the ceramic beaverboard includes the smoke elimination auxiliary agent of the parts by weight of 1 parts by weight~6, preferably 1 parts by weight
~5 parts by weight；In the preferred embodiment of the invention, the ceramic beaverboard respectively includes the smoke elimination auxiliary agent of 1 parts by weight, 4 weights
Measure the smoke elimination auxiliary agent of the smoke elimination auxiliary agent and 5 parts by weight of part.
In the present invention, the mass ratio of the organic bond and smoke elimination auxiliary agent is preferably 1：(0.5~1), in the present invention
In preferred embodiment, the mass ratio of the organic bond and smoke elimination auxiliary agent is respectively 1：0.5、6：4 and 1：1.
Ceramic beaverboard provided by the invention uses the raw material of specific dosage, has good phase interaction between each component
With the ceramic beaverboard smoke-producing amount being prepared is low, and environmental pollution is small, human body harm is few, while having preferable machinery strong
Degree, it is easy for construction；And ceramic beaverboard production cost provided by the invention is low, is conducive to production application.
The present invention also provides a kind of preparation methods of the ceramic beaverboard described in above-mentioned technical proposal, including following step
Suddenly：
A) by ceramic fibre, alkali-free glass fibre, kaolin, attapulgite, expanded perlite, organic bond and smoke elimination
Auxiliary agent carries out mashing processing in water, obtains mixed slurry；
B) mixed slurry that step a) is obtained is molded and is dried successively, obtain ceramic beaverboard.
The present invention is first by ceramic fibre, alkali-free glass fibre, kaolin, attapulgite, expanded perlite, combination
Agent and smoke elimination auxiliary agent carry out mashing processing in water, obtain mixed slurry.In the present invention, the ceramic fibre, alkali-free glass
Fiber, kaolin, attapulgite, expanded perlite, organic bond and smoke elimination auxiliary agent and the phase described in above-mentioned technical proposal
Together, details are not described herein.
In the present invention, the process of the mashing processing carries out preferably in troughing；The present invention handles the mashing
Equipment be not particularly limited, using beater well known to those skilled in the art.In the present invention, the mashing processing
Purpose be that each raw material is sufficiently mixed stirring, to form uniform sizing material.
In the present invention, the process of the mashing processing is preferably specially：
Ceramic fibre, alkali-free glass fibre, kaolin, attapulgite and expanded perlite are carried out in water to beat for the first time
Slurry adds organic bond and smoke elimination auxiliary agent carries out second and is beaten, obtain mixed slurry after mixing.
In the present invention, the mixing speed of the first time mashing is preferably 500r/min~800r/min, more preferably
600r/min~700r/min；The time of the first time mashing is preferably 5min~30min, and more preferably 10min~
20min。
In the present invention, the mixing speed of second of mashing is preferably 300r/min~500r/min, more preferably
350r/min~450r/min；The time of second of mashing is preferably 3min~20min, more preferably 5min~10min.
After obtaining the mixed slurry, obtained mixed slurry is molded and is dried successively by the present invention, obtains ceramics
Fiberboard.In the present invention, the molding mode is preferably vacuum suction filter；The vacuum degree of the vacuum suction filter is preferably
400mmHg~550mmHg, more preferably 450mmHg~500mmHg.The present invention is not special to the equipment of the vacuum suction filter
Limitation, it is preferred to use Roots vaccum pump well known to those skilled in the art.
In the present invention, the temperature of the drying is preferably 90 DEG C~140 DEG C, in the preferred embodiment of the invention, institute
It is respectively 90 DEG C, 120 DEG C and 140 DEG C to state dry temperature；The time of the drying is preferably 20h~25h, of the invention preferred
Embodiment in, the time of the drying is respectively 25h, 22h and 20h.
The present invention provides a kind of ceramic beaverboards, are prepared by the raw material including following components：40 weight of ceramic fibre
Measure the parts by weight of part~60；The parts by weight of 0 parts by weight of alkali-free glass fibre~16；The parts by weight of 5 parts by weight of kaolin~15；Attapulgite
The parts by weight of 5 parts by weight~15；The parts by weight of 10 parts by weight of expanded perlite~20；The parts by weight of 2 parts by weight of organic bond~6；Disappear
The parts by weight of 1 parts by weight of cigarette auxiliary agent~6；The smoke elimination auxiliary agent is selected from ferrocene and/or aluminium hydroxide.Compared with prior art, originally
The ceramic beaverboard that invention provides uses the raw material of specific dosage, has good interaction between each component, is prepared
Ceramic beaverboard there is lower smoke-producing amount and preferable mechanical strength simultaneously, and production cost is low, is conducive to production and answers
With.The experimental results showed that the compressive resistance of ceramic beaverboard provided by the invention is in 0.11MPa or more, TSP600Smoke-producing amount does not surpass
Cross 32m2, production cost can control within 0.75 ten thousand yuan/ton.
In order to further illustrate the present invention, technical solution provided by the invention is retouched in detail with reference to embodiment
It states.
Embodiment 1
3 μm, length 30mm of ceramic fibre average diameter used in embodiment 1, chemical composition：Alumina content 46%, oxygen
Change aluminium and silica resultant 96%；10 μm of alkali-free glass fibre average diameter, length 20mm；300 mesh of kaolin mesh number；It is concave-convex
200 mesh of stick soil mesh number；Expanded perlite bulk density 90kg/m3；Organic bond produces for Linyi Heng Yuan Industrial Co., Ltd.s
Cornstarch；Smoke elimination auxiliary agent is the ferrocene of Ti Xiai chemical conversion industries Development Co., Ltd production.
(1) raw material is weighed：40 parts by weight of ceramic fibre, 16 parts by weight of alkali-free glass fibre, 15 parts by weight of kaolin,
6 parts by weight of attapulgite, 20 parts by weight of expanded perlite, 2 parts by weight of organic bond, 1 parts by weight of smoke elimination auxiliary agent.
(2) above-mentioned ceramic fibre, alkali-free glass fibre, kaolin, attapulgite and expanded perlite are put into note in advance
In the troughing for entering water, and beater is opened, 10min is stirred at 650r/min, waits for material stirring after mixing, addition has
Machine bonding agent and smoke elimination auxiliary agent, stir 5min at 400r/min, obtain mixed slurry；
(3) use the mixed slurry that vacuum suction filter mode obtains step (2) in the case where vacuum degree is 480mmHg carry out at
Type, then the dry 25h at 90 DEG C, obtains ceramic beaverboard.
Embodiment 2
4 μm, length 20mm of ceramic fibre average diameter used in embodiment 2, chemical composition：Alumina content 48%, oxygen
Change aluminium and silica resultant 97%；8 μm of alkali-free glass fibre average diameter, length 15mm；270 mesh of kaolin mesh number；It is concave-convex
270 mesh of stick soil mesh number；Expanded perlite bulk density 70kg/m3；Organic bond is given birth to for Dacheng County Yi Bo Chemical Co., Ltd.s
The tapioca of production；Smoke elimination auxiliary agent is the aluminium hydroxide of Zibo Ao Tai new materials Science and Technology Ltd. production.
(1) raw material is weighed：50 parts by weight of ceramic fibre, 10 parts by weight of alkali-free glass fibre, 10 parts by weight of kaolin,
5 parts by weight of attapulgite, 15 parts by weight of expanded perlite, 6 parts by weight of organic bond, 4 parts by weight of smoke elimination auxiliary agent.
(2) above-mentioned ceramic fibre, alkali-free glass fibre, kaolin, attapulgite and expanded perlite are put into note in advance
In the troughing for entering water, and beater is opened, 15min is stirred at 650r/min, waits for material stirring after mixing, addition has
Machine bonding agent and smoke elimination auxiliary agent, stir 7min at 400r/min, obtain mixed slurry；
(3) use the mixed slurry that vacuum suction filter mode obtains step (2) in the case where vacuum degree is 480mmHg carry out at
Type, then the dry 22h at 120 DEG C, obtains ceramic beaverboard.
Embodiment 3
3 μm, length 10mm of ceramic fibre average diameter used in embodiment 3, chemical composition：Alumina content 50%, oxygen
Change aluminium and silica resultant 98%；200 mesh of kaolin mesh number；300 mesh of attapulgite mesh number；Expanded perlite bulk density
100kg/m3；Organic bond is the cellulose of Dacheng County Yi Bo Chemical Co., Ltd.s production；Smoke elimination auxiliary agent is Zibo Ao Taixin
The aluminium hydroxide of material Science and Technology Ltd. production.
(1) raw material is weighed：60 parts by weight of ceramic fibre, 5 parts by weight of kaolin, 15 parts by weight of attapulgite, expansion are precious
10 parts by weight of pearl rock, 5 parts by weight of organic bond, 5 parts by weight of smoke elimination auxiliary agent.
(2) above-mentioned ceramic fibre, kaolin, attapulgite and expanded perlite input are previously implanted to the troughing of water
In, and beater is opened, 20min is stirred at 650r/min, waits for material stirring after mixing, organic bond is added and disappears
Cigarette auxiliary agent stirs 10min at 400r/min, obtains mixed slurry；
(3) use the mixed slurry that vacuum suction filter mode obtains step (2) in the case where vacuum degree is 480mmHg carry out at
Type, then the dry 20h at 140 DEG C, obtains ceramic beaverboard.
Comparative example 1
3 μm, length 10mm of ceramic fibre average diameter used in comparative example 1, chemical composition：Alumina content 50%, oxygen
Change aluminium and silica resultant 98%；200 mesh of kaolin mesh number；300 mesh of attapulgite mesh number；Expanded perlite bulk density
100kg/m3；Organic bond is the cellulose of Dacheng County Yi Bo Chemical Co., Ltd.s production.
(1) raw material is weighed：65 parts by weight of ceramic fibre, 5 parts by weight of kaolin, 15 parts by weight of attapulgite, expansion are precious
10 parts by weight of pearl rock, 5 parts by weight of organic bond.
(2) above-mentioned ceramic fibre, kaolin, attapulgite and expanded perlite input are previously implanted to the troughing of water
In, and beater is opened, 20min is stirred at 650r/min, waits for material stirring after mixing, organic bond is added,
10min is stirred under 400r/min, obtains mixed slurry；
(3) use the mixed slurry that vacuum suction filter mode obtains step (2) in the case where vacuum degree is 480mmHg carry out at
Type, then the dry 20h at 140 DEG C, obtains ceramic beaverboard.
Comparative example 2
Dispersion. formulation used in comparative example 2 is Na2SiO3And CaCO3, wherein Na2SiO3With CaCO3Mass ratio be
2.5：1；Zirconium latex component is ZrO2、Y2O3And H2O2, wherein ZrO2With Y2O3Mass ratio be 95：5, ZrO2With H2O2Mass ratio
It is 1：4.5.
(1) raw material is weighed：95 parts by weight of alumina silicate fibre, 1 parts by weight of dispersant, 4 parts by weight of zirconium latex.
(2) above-mentioned alumina silicate fibre, dispersant and zirconium latex are mixed, obtain mixed slurry；
(3) mixed slurry for obtaining step (2) carries out wet method vacuum forming, and then drying for 24 hours, obtains at 120 DEG C
Ceramic beaverboard.
The properties of the ceramic beaverboard of the embodiment of the present invention 1~3 and the offer of comparative example 1~2 are tested, as a result
Ginseng is shown in Table 1.
| Sample | Compressive resistance (MPa) | TSP600Smoke-producing amount (m2) | Production cost (ten thousand yuan/ton) |
| Embodiment 1 | 0.11 | 20 | 0.7 |
| Embodiment 2 | 0.15 | 32 | 0.72 |
| Embodiment 3 | 0.13 | 28 | 0.75 |
| Comparative example 1 | 0.13 | 54 | 0.72 |
| Comparative example 2 | 0.05 | 0 | 1.2 |
| Examination criteria | GB/T 13480 | GB/T 20284 | -- |
As shown in Table 1, the embodiment of the present invention 1~3 provide ceramic beaverboard compressive resistance it is preferable, 0.1MPa with
On, and can effectively reduce the smoke-producing amount of product；And the aluminosilicate fiberboard intensity that comparative example 2 is prepared is only
0.05MPa, while the ceramic beaverboard of the offer of comparative example 1~2 can not effectively reduce the smoke-producing amount of product.
In addition, the production cost for the ceramic beaverboard that the embodiment of the present invention 1~3 provides is low, and the production cost of comparative example 2
Popularization and application that are excessively high, being unfavorable on kiln backing.
The above description of the disclosed embodiments, enables those skilled in the art to implement or use the present invention.It is right
A variety of modifications of these embodiments will be apparent to those skilled in the art, and as defined herein one
As principle can realize in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention will
It will not be intended to be limited to the embodiments shown herein, and be to fit to consistent with the principles and novel features disclosed herein
Widest range.
Claims (10)
1. a kind of ceramic beaverboard is prepared by the raw material including following components：
The parts by weight of 40 parts by weight of ceramic fibre~60；
The parts by weight of 0 parts by weight of alkali-free glass fibre~16；
The parts by weight of 5 parts by weight of kaolin~15；
The parts by weight of 5 parts by weight of attapulgite~15；
The parts by weight of 10 parts by weight of expanded perlite~20；
The parts by weight of 2 parts by weight of organic bond~6；
The parts by weight of 1 parts by weight of smoke elimination auxiliary agent~6；
The smoke elimination auxiliary agent is selected from ferrocene and/or aluminium hydroxide.
2. ceramic beaverboard according to claim 1, which is characterized in that the average diameter of the ceramic fibre is 3 μm~5
μm, length is 10mm~30mm；
The chemical composition of the ceramic fibre includes：Alumina content >=44%, aluminium oxide and silica resultant >=96%.
3. ceramic beaverboard according to claim 1, which is characterized in that the average diameter of the alkali-free glass fibre is 6 μ
M~10 μm, length are 10mm~20mm.
4. ceramic beaverboard according to claim 1, which is characterized in that the bulk density of the expanded perlite is
70kg/m3~100kg/m3。
5. ceramic beaverboard according to claim 1, which is characterized in that the organic bond is selected from starch and/or fibre
Dimension element.
6. ceramic beaverboard according to claim 1, which is characterized in that the quality of the organic bond and smoke elimination auxiliary agent
Than being 1：(0.5~1).
7. a kind of preparation method of claim 1~6 any one of them ceramic beaverboard, includes the following steps：
A) by ceramic fibre, alkali-free glass fibre, kaolin, attapulgite, expanded perlite, organic bond and smoke elimination auxiliary agent
Mashing processing is carried out in water, obtains mixed slurry；
B) mixed slurry that step a) is obtained is molded and is dried successively, obtain ceramic beaverboard.
8. preparation method according to claim 7, which is characterized in that the process for being beaten processing described in step a) is specific
For：
Ceramic fibre, alkali-free glass fibre, kaolin, attapulgite and expanded perlite are subjected to first time mashing in water,
After mixing, it adds organic bond and smoke elimination auxiliary agent carries out second and is beaten, obtain mixed slurry.
9. preparation method according to claim 7, which is characterized in that molding mode described in step b) is inhaled for vacuum
Filter；The vacuum degree of the vacuum suction filter is 400mmHg~550mmHg.
10. preparation method according to claim 7, which is characterized in that dry temperature described in step b) is 90 DEG C~
140 DEG C, the time is 20h~25h.
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