CN108251913A - A kind of ultra-fine inorganic fibre spray coating heat preservation material and preparation method thereof - Google Patents
A kind of ultra-fine inorganic fibre spray coating heat preservation material and preparation method thereof Download PDFInfo
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- CN108251913A CN108251913A CN201810032393.2A CN201810032393A CN108251913A CN 108251913 A CN108251913 A CN 108251913A CN 201810032393 A CN201810032393 A CN 201810032393A CN 108251913 A CN108251913 A CN 108251913A
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/02—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from cellulose, cellulose derivatives, or proteins
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/14—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/18—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from other substances
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Abstract
The present invention discloses a kind of thermal insulation material and preparation method thereof, belongs to thermal insulation material production technical field, relates generally to a kind of ultra-fine inorganic fibre spray coating heat preservation material and preparation method thereof.A kind of ultra-fine inorganic fibre spray coating heat preservation material and preparation method thereof, by weight including following material：38 42 parts of silica, 25 30 parts of screenings, 30 45 parts of kaolin, 8 15 parts of zein fiber, 12 15 parts of wheat fiber, 25 parts of soybean fiber, 47 parts of coupling agent, 8 12 parts of bentonite, 36 parts of adhesive；Present invention simultaneously discloses preparation methods, by stirring, drying, into fine and granulation step, industrial produced wastes and dietary fibre are carried out deep processing processing, form the ultra-fine inorganic fibre spray coating heat preservation material with good thermal insulation property and mechanical performance.The present invention is not required to addition chemical reagent, reduces the pollution of air, simple for process, it is easy to accomplish.
Description
Technical field
The present invention relates to a kind of thermal insulation materials and preparation method thereof, belong to thermal insulation material production technical field, and in particular to
A kind of ultra-fine inorganic fibre spray coating heat preservation material and preparation method thereof.
Background technology
As the development of science and technology and social progress, people are more and more stronger to the consciousness of environmental protection, some severes are dirty
The industrial processes product of dye starts to environmentally protective revolution in mode of production.Inorganic heat insulating fiber material is as environment-friendly materials, in recent years
To become the much-talked-about topic of people's research.At present, non-renewable energy resources are mainly used to the preparation of inorganic heat insulating fiber material
It obtains, not only utilization ratio is low but also discharge waste pollution environment.
Invention content
To solve the above-mentioned problems, the present invention discloses a kind of ultra-fine inorganic fibre spray coating heat preservation material and preparation method thereof,
By the recycling to trade waste, processing is optimized to trade waste, being formed has heat-insulating property and mechanical strength
Ultra-fine inorganic fibre spray coating heat preservation material.
The object of the present invention is achieved like this：
A kind of ultra-fine inorganic fibre spray coating heat preservation material, by weight including following material：38-42 parts of silica, screenings 25-30
It is part, 30-45 parts of kaolin, 8-15 parts of zein fiber, 12-15 parts of wheat fiber, 2-5 parts of soybean fiber, 4-7 parts of coupling agent, swollen
Moisten 8-12 parts of soil, 3-6 parts of adhesive.
Further, the fiber number of the zein fiber, wheat fiber and soybean fiber is 0.00018-0.00024 denier.
A kind of preparation method of ultra-fine inorganic fibre spray coating heat preservation material, includes the following steps：
Step 1：Silica, screenings, kaolin, zein fiber, wheat fiber, soybean fiber and bentonitic mixture is abundant
Grinding stirring, baking mixture moisture is spare after stirring.
Step 2：Coupling agent is added in mixture after step 1 is dried, after standing 30-45 minutes, adds in adhesive
It is sufficiently stirred, obtains mixed liquor.
Step 3：By the mixed liquor of step 2 kind through centrifuge into superfine fibre, then by superfine fibre by making
Grain machine is granulated, packaging and storage after drying.
Further, comminutor granulating rate described in step 3 is not less than 85%.
Further, comminutor prilling temperature described in step 3 is 28-35 DEG C.
Further, grain size 0.05-0.1mm is granulated described in step 3.
Compared with prior art, the present invention it has the advantages that：According to a kind of ultra-fine inorganic disclosed in this invention
Fiber coating thermal insulation material and preparation method thereof, by stirring, drying, into fine and granulation step, by industrial produced wastes and
Dietary fibre carries out deep processing processing, forms the ultra-fine inorganic fibre spray coating heat preservation with good thermal insulation property and mechanical performance
Material.The present invention is not required to addition chemical reagent, reduces the pollution of air, simple for process, it is easy to accomplish.
Specific embodiment
Heat-insulating property is tested：
Embodiment 1
A kind of ultra-fine inorganic fibre spray coating heat preservation material, by weight including following material：38 parts of silica, 25 parts of screenings, kaolinite
30 parts of soil, 8 parts of zein fiber, 12 parts of wheat fiber, 2 parts of soybean fiber, 4 parts of coupling agent, 8 parts of bentonite, 3 parts of adhesive.
The fiber number of the zein fiber, wheat fiber and soybean fiber is 0.00018 denier.
A kind of preparation method of ultra-fine inorganic fibre spray coating heat preservation material, includes the following steps：
Step 1：Silica, screenings, kaolin, zein fiber, wheat fiber, soybean fiber and bentonitic mixture is abundant
Grinding stirring, baking mixture moisture is spare after stirring；
Step 2：Coupling agent is added in mixture after step 1 is dried, after standing 30 minutes, adhesive is added in and fully stirs
It mixes, obtains mixed liquor；
Step 3：Then superfine fibre is passed through into comminutor by the mixed liquor of step 2 kind through centrifuge into superfine fibre
It is granulated, packaging and storage after drying.
Comminutor granulating rate described in step 3 is not less than 85%.
Comminutor prilling temperature described in step 3 is 28 DEG C.
Grain size 0.05mm is granulated described in step 3.
Embodiment 2
A kind of ultra-fine inorganic fibre spray coating heat preservation material, by weight including following material：39 parts of silica, 26 parts of screenings, kaolinite
33 parts of soil, 10 parts of zein fiber, 13 parts of wheat fiber, 3 parts of soybean fiber, 5 parts of coupling agent, 9 parts of bentonite, 4 parts of adhesive.
The fiber number of the zein fiber, wheat fiber and soybean fiber is 0.00020 denier.
A kind of preparation method of ultra-fine inorganic fibre spray coating heat preservation material, includes the following steps：
Step 1：Silica, screenings, kaolin, zein fiber, wheat fiber, soybean fiber and bentonitic mixture is abundant
Grinding stirring, baking mixture moisture is spare after stirring；
Step 2：Coupling agent is added in mixture after step 1 is dried, after standing 33 minutes, adhesive is added in and fully stirs
It mixes, obtains mixed liquor；
Step 3：Then superfine fibre is passed through into comminutor by the mixed liquor of step 2 kind through centrifuge into superfine fibre
It is granulated, packaging and storage after drying.
Comminutor granulating rate described in step 3 is not less than 85%.
Comminutor prilling temperature described in step 3 is 30 DEG C.
Grain size 0.06mm is granulated described in step 3.
Embodiment 3
A kind of ultra-fine inorganic fibre spray coating heat preservation material, by weight including following material：40 parts of silica, 28 parts of screenings, kaolinite
36 parts of soil, 12 parts of zein fiber, 13.5 parts of wheat fiber, 3.5 parts of soybean fiber, 5.5 parts of coupling agent, 10 parts of bentonite, gluing
4.5 parts of agent.
The fiber number of the zein fiber, wheat fiber and soybean fiber is 0.00021 denier.
A kind of preparation method of ultra-fine inorganic fibre spray coating heat preservation material, includes the following steps：
Step 1：Silica, screenings, kaolin, zein fiber, wheat fiber, soybean fiber and bentonitic mixture is abundant
Grinding stirring, baking mixture moisture is spare after stirring；
Step 2：Coupling agent is added in mixture after step 1 is dried, after standing 38 minutes, adhesive is added in and fully stirs
It mixes, obtains mixed liquor；
Step 3：Then superfine fibre is passed through into comminutor by the mixed liquor of step 2 kind through centrifuge into superfine fibre
It is granulated, packaging and storage after drying.
Comminutor granulating rate described in step 3 is not less than 85%.
Comminutor prilling temperature described in step 3 is 32 DEG C.
Grain size 0.08mm is granulated described in step 3.
Embodiment 4
A kind of ultra-fine inorganic fibre spray coating heat preservation material, by weight including following material：41 parts of silica, 29 parts of screenings, kaolinite
42 parts of soil, 14 parts of zein fiber, 14 parts of wheat fiber, 4 parts of soybean fiber, 6 parts of coupling agent, 11 parts of bentonite, 5 parts of adhesive.
The fiber number of the zein fiber, wheat fiber and soybean fiber is 0.00023 denier.
A kind of preparation method of ultra-fine inorganic fibre spray coating heat preservation material, includes the following steps：
Step 1：Silica, screenings, kaolin, zein fiber, wheat fiber, soybean fiber and bentonitic mixture is abundant
Grinding stirring, baking mixture moisture is spare after stirring；
Step 2：Coupling agent is added in mixture after step 1 is dried, is stood after forty minutes, adhesive is added in and fully stirs
It mixes, obtains mixed liquor；
Step 3：Then superfine fibre is passed through into comminutor by the mixed liquor of step 2 kind through centrifuge into superfine fibre
It is granulated, packaging and storage after drying.
Comminutor granulating rate described in step 3 is not less than 85%.
Comminutor prilling temperature described in step 3 is 34 DEG C.
Grain size 0.09mm is granulated described in step 3.
Embodiment 5
A kind of ultra-fine inorganic fibre spray coating heat preservation material, by weight including following material：42 parts of silica, 30 parts of screenings, kaolinite
45 parts of soil, 15 parts of zein fiber, 15 parts of wheat fiber, 5 parts of soybean fiber, 7 parts of coupling agent, 12 parts of bentonite, 6 parts of adhesive.
The fiber number of the zein fiber, wheat fiber and soybean fiber is 0.00024 denier.
A kind of preparation method of ultra-fine inorganic fibre spray coating heat preservation material, includes the following steps：
Step 1：Silica, screenings, kaolin, zein fiber, wheat fiber, soybean fiber and bentonitic mixture is abundant
Grinding stirring, baking mixture moisture is spare after stirring；
Step 2：Coupling agent is added in mixture after step 1 is dried, after standing 45 minutes, adhesive is added in and fully stirs
It mixes, obtains mixed liquor；
Step 3：Then superfine fibre is passed through into comminutor by the mixed liquor of step 2 kind through centrifuge into superfine fibre
It is granulated, packaging and storage after drying.
Comminutor granulating rate described in step 3 is not less than 85%.
Comminutor prilling temperature described in step 3 is 35 DEG C.
Grain size 0.1mm is granulated described in step 3.
Comparative example 1
A kind of ultra-fine inorganic fibre spray coating heat preservation material, by weight including following material：35 parts of silica, 23 parts of screenings, kaolinite
28 parts of soil, 5 parts of zein fiber, 10 parts of wheat fiber, 1 part of soybean fiber, 3 parts of coupling agent, 5 parts of bentonite, 2 parts of adhesive.
The fiber number of the zein fiber, wheat fiber and soybean fiber is 0.00030 denier.
A kind of preparation method of ultra-fine inorganic fibre spray coating heat preservation material, includes the following steps：
Step 1：Silica, screenings, kaolin, zein fiber, wheat fiber, soybean fiber and bentonitic mixture is abundant
Grinding stirring, baking mixture moisture is spare after stirring；
Step 2：Coupling agent is added in mixture after step 1 is dried, is stood after twenty minutes, adhesive is added in and fully stirs
It mixes, obtains mixed liquor；
Step 3：Then superfine fibre is passed through into comminutor by the mixed liquor of step 2 kind through centrifuge into superfine fibre
It is granulated, packaging and storage after drying.
Comminutor granulating rate described in step 3 is not less than 85%.
Comminutor prilling temperature described in step 3 is 25 DEG C.
Grain size 0.03mm is granulated described in step 3.
Heat-insulating property test method：According to heat balance principle, by thermal insulation material to be measured in embodiment 1-5 and comparative example 1
It is placed between the babinet of two different temperatures, establishes winter indoor and outdoor meteorological condition in the two babinets respectively and tested.Heat
Case simulation winter indoor air temperature, wind speed；Ice chest simulation winter outdoor temperature, wind speed and radiation condition.By several hours
Operation, whole device reaches stable state.After forming stable temperature field and velocity field, the sky of thermal insulation board both sides to be measured is tested
Temperature degree and surface velocity, and calculate Coefficient K.
The formula of Coefficient K is represented by：
In formula,To carry out the total heat flow of heat exchange；For the metering area perpendicular to hot-fluid；Environment for hot tank side
Temperature；Environment temperature for ice chest side.Test result is as follows shown in table 1.
1 heat-insulating property of table is tested
Upper table 1 represents the heat-insulating property of the inorganic heat insulating fiber material under different ratio in embodiment 1-5 and comparative example 1, from table 1
In as can be seen that compared with prior art, the heat transfer coefficient of embodiment 1 reduces 18.75%, and thermal center province rate improves 6.21%,
The heat transfer coefficient of embodiment 2 reduces 22.01%, and thermal center province rate improves 7.64%, and the heat transfer coefficient of embodiment 3 reduces
30.43%, thermal center province rate improves 9.69%, and the heat transfer coefficient of embodiment 4 reduces 36.96%, and thermal center province rate improves
11.08%, the heat transfer coefficient of embodiment 5 reduces 41.03%, and thermal center province rate improves 13.24%.
The above result shows that according to inorganic heat insulating fiber material manufactured in the present embodiment, heat transfer coefficient continuously decreases, thermal center
Province's rate gradually rises, and heat-insulating property gradually enhances compared with prior art.
Mechanical strength properties are tested：
Embodiment 6
A kind of ultra-fine inorganic fibre spray coating heat preservation material, by weight including following material：38 parts of silica, 25 parts of screenings, kaolinite
30 parts of soil, 8 parts of zein fiber, 12 parts of wheat fiber, 2 parts of soybean fiber, 4 parts of coupling agent, 8 parts of bentonite, 3 parts of adhesive.
The fiber number of the zein fiber, wheat fiber and soybean fiber is 0.00018 denier.
A kind of preparation method of ultra-fine inorganic fibre spray coating heat preservation material, includes the following steps：
Step 1：Silica, screenings, kaolin, zein fiber, wheat fiber, soybean fiber and bentonitic mixture is abundant
Grinding stirring, baking mixture moisture is spare after stirring；
Step 2：Coupling agent is added in mixture after step 1 is dried, after standing 30 minutes, adhesive is added in and fully stirs
It mixes, obtains mixed liquor；
Step 3：Then superfine fibre is passed through into comminutor by the mixed liquor of step 2 kind through centrifuge into superfine fibre
It is granulated, packaging and storage after drying.
Comminutor granulating rate described in step 3 is not less than 85%.
Comminutor prilling temperature described in step 3 is 28 DEG C.
Grain size 0.05mm is granulated described in step 3.
Embodiment 7
A kind of ultra-fine inorganic fibre spray coating heat preservation material, by weight including following material：39 parts of silica, 26 parts of screenings, kaolinite
33 parts of soil, 10 parts of zein fiber, 13 parts of wheat fiber, 3 parts of soybean fiber, 5 parts of coupling agent, 9 parts of bentonite, 4 parts of adhesive.
The fiber number of the zein fiber, wheat fiber and soybean fiber is 0.00020 denier.
A kind of preparation method of ultra-fine inorganic fibre spray coating heat preservation material, includes the following steps：
Step 1：Silica, screenings, kaolin, zein fiber, wheat fiber, soybean fiber and bentonitic mixture is abundant
Grinding stirring, baking mixture moisture is spare after stirring；
Step 2：Coupling agent is added in mixture after step 1 is dried, after standing 33 minutes, adhesive is added in and fully stirs
It mixes, obtains mixed liquor；
Step 3：Then superfine fibre is passed through into comminutor by the mixed liquor of step 2 kind through centrifuge into superfine fibre
It is granulated, packaging and storage after drying.
Comminutor granulating rate described in step 3 is not less than 85%.
Comminutor prilling temperature described in step 3 is 30 DEG C.
Grain size 0.06mm is granulated described in step 3.
Embodiment 8
A kind of ultra-fine inorganic fibre spray coating heat preservation material, by weight including following material：40 parts of silica, 28 parts of screenings, kaolinite
36 parts of soil, 12 parts of zein fiber, 13.5 parts of wheat fiber, 3.5 parts of soybean fiber, 5.5 parts of coupling agent, 10 parts of bentonite, gluing
4.5 parts of agent.
The fiber number of the zein fiber, wheat fiber and soybean fiber is 0.00021 denier.
A kind of preparation method of ultra-fine inorganic fibre spray coating heat preservation material, includes the following steps：
Step 1：Silica, screenings, kaolin, zein fiber, wheat fiber, soybean fiber and bentonitic mixture is abundant
Grinding stirring, baking mixture moisture is spare after stirring；
Step 2：Coupling agent is added in mixture after step 1 is dried, after standing 38 minutes, adhesive is added in and fully stirs
It mixes, obtains mixed liquor；
Step 3：Then superfine fibre is passed through into comminutor by the mixed liquor of step 2 kind through centrifuge into superfine fibre
It is granulated, packaging and storage after drying.
Comminutor granulating rate described in step 3 is not less than 85%.
Comminutor prilling temperature described in step 3 is 32 DEG C.
Grain size 0.08mm is granulated described in step 3.
Embodiment 9
A kind of ultra-fine inorganic fibre spray coating heat preservation material, by weight including following material：41 parts of silica, 29 parts of screenings, kaolinite
42 parts of soil, 14 parts of zein fiber, 14 parts of wheat fiber, 4 parts of soybean fiber, 6 parts of coupling agent, 11 parts of bentonite, 5 parts of adhesive.
The fiber number of the zein fiber, wheat fiber and soybean fiber is 0.00023 denier.
A kind of preparation method of ultra-fine inorganic fibre spray coating heat preservation material, includes the following steps：
Step 1：Silica, screenings, kaolin, zein fiber, wheat fiber, soybean fiber and bentonitic mixture is abundant
Grinding stirring, baking mixture moisture is spare after stirring；
Step 2：Coupling agent is added in mixture after step 1 is dried, is stood after forty minutes, adhesive is added in and fully stirs
It mixes, obtains mixed liquor；
Step 3：Then superfine fibre is passed through into comminutor by the mixed liquor of step 2 kind through centrifuge into superfine fibre
It is granulated, packaging and storage after drying.
Comminutor granulating rate described in step 3 is not less than 85%.
Comminutor prilling temperature described in step 3 is 34 DEG C.
Grain size 0.09mm is granulated described in step 3.
Embodiment 10
A kind of ultra-fine inorganic fibre spray coating heat preservation material, by weight including following material：42 parts of silica, 30 parts of screenings, kaolinite
45 parts of soil, 15 parts of zein fiber, 15 parts of wheat fiber, 5 parts of soybean fiber, 7 parts of coupling agent, 12 parts of bentonite, 6 parts of adhesive.
The fiber number of the zein fiber, wheat fiber and soybean fiber is 0.00024 denier.
A kind of preparation method of ultra-fine inorganic fibre spray coating heat preservation material, includes the following steps：
Step 1：Silica, screenings, kaolin, zein fiber, wheat fiber, soybean fiber and bentonitic mixture is abundant
Grinding stirring, baking mixture moisture is spare after stirring；
Step 2：Coupling agent is added in mixture after step 1 is dried, after standing 45 minutes, adhesive is added in and fully stirs
It mixes, obtains mixed liquor；
Step 3：Then superfine fibre is passed through into comminutor by the mixed liquor of step 2 kind through centrifuge into superfine fibre
It is granulated, packaging and storage after drying.
Comminutor granulating rate described in step 3 is not less than 85%.
Comminutor prilling temperature described in step 3 is 35 DEG C.
Grain size 0.1mm is granulated described in step 3.
Comparative example 2
A kind of ultra-fine inorganic fibre spray coating heat preservation material, by weight including following material：35 parts of silica, 23 parts of screenings, kaolinite
28 parts of soil, 5 parts of zein fiber, 10 parts of wheat fiber, 1 part of soybean fiber, 3 parts of coupling agent, 5 parts of bentonite, 2 parts of adhesive.
The fiber number of the zein fiber, wheat fiber and soybean fiber is 0.00030 denier.
A kind of preparation method of ultra-fine inorganic fibre spray coating heat preservation material, includes the following steps：
Step 1：Silica, screenings, kaolin, zein fiber, wheat fiber, soybean fiber and bentonitic mixture is abundant
Grinding stirring, baking mixture moisture is spare after stirring；
Step 2：Coupling agent is added in mixture after step 1 is dried, is stood after twenty minutes, adhesive is added in and fully stirs
It mixes, obtains mixed liquor；
Step 3：Then superfine fibre is passed through into comminutor by the mixed liquor of step 2 kind through centrifuge into superfine fibre
It is granulated, packaging and storage after drying.
Comminutor granulating rate described in step 3 is not less than 85%.
Comminutor prilling temperature described in step 3 is 25 DEG C.
Grain size 0.03mm is granulated described in step 3.
Mechanical strength properties test method：The test of ultra-fine inorganic fibre spray coating heat preservation mechanical strength is mainly used
Strength test machine test material sprays to the tensile strength when drying after wall and moistening.Test result is as follows shown in table 2.
2 mechanical strength properties of table are tested
Upper table 2 represents the machinery of the ultra-fine inorganic fibre spray coating heat preservation material under different ratio in embodiment 6-10 and comparative example 2
Strength character, from Table 2, it can be seen that compared with prior art, the drying fracture strength of embodiment 6 improves 14.75%, wet
Profit fracture strength improves 22.45%, and the drying fracture strength of embodiment 7 improves 23.53%, and moistening fracture strength improves
26.92%, the drying fracture strength of embodiment 8 improves 27.78%, and moistening fracture strength improves 38.71%, and embodiment 9 is done
Dry fracture strength improves 33.33%, and moistening fracture strength improves 46.48%, and the drying fracture strength of embodiment 10 improves
39.53%, moistening fracture strength improves 51.28%.
The above result shows that according to ultra-fine inorganic fibre spray coating heat preservation material manufactured in the present embodiment, with fracture strength by
It gradually reduces, the mechanical strength of ultra-fine inorganic fibre spray coating heat preservation material gradually enhances compared with prior art.
It should be understood that above description is to illustrate rather than to be limited.By reading foregoing description,
Many embodiments and many applications except the example provided all will be apparent for a person skilled in the art.
Therefore, the scope of the present invention should not be determined with reference to foregoing description, but should be with reference to preceding claims and these power
Profit requires the four corner of possessed equivalent to determine.For comprehensive purpose, all articles and reference include patent Shen
The disclosure that please and announce is all by reference to being incorporated herein.Any of theme disclosed herein is omitted in preceding claims
Aspect is not intended to abandon the body matter, also should not be considered as applicant and the theme is not thought of as to disclosed application
A part for theme.
Those listed above it is a series of be described in detail only for the application feasibility embodiment specifically
Bright, they are not limiting the protection domain of the application, all equivalent implementations made without departing from the application skill spirit
Or change should be included within the protection domain of the application.
Claims (6)
1. a kind of ultra-fine inorganic fibre spray coating heat preservation material, it is characterised in that：Include following material by weight：Silica 38-42
Part, 25-30 parts of screenings, 30-45 parts of kaolin, 8-15 parts of zein fiber, 12-15 parts of wheat fiber, 2-5 parts of soybean fiber, idol
Join 4-7 parts of agent, 8-12 parts of bentonite, 3-6 parts of adhesive.
2. a kind of ultra-fine inorganic fibre spray coating heat preservation material according to claim 1, it is characterised in that：The corn is fine
The fiber number of dimension, wheat fiber and soybean fiber is 0.00018-0.00024 denier.
3. a kind of preparation method of ultra-fine inorganic fibre spray coating heat preservation material, it is characterised in that：Include the following steps：
Step 1：Silica, screenings, kaolin, zein fiber, wheat fiber, soybean fiber and bentonitic mixture is abundant
Grinding stirring, baking mixture moisture is spare after stirring；
Step 2：Coupling agent is added in mixture after step 1 is dried, after standing 30-45 minutes, it is abundant to add in adhesive
Stirring, obtains mixed liquor；
Step 3：Then superfine fibre is passed through into comminutor by the mixed liquor of step 2 kind through centrifuge into superfine fibre
It is granulated, packaging and storage after drying.
4. a kind of preparation method of ultra-fine inorganic fibre spray coating heat preservation material according to claim 3, it is characterised in that：Step
The rapid three comminutor granulating rate is not less than 85%.
5. a kind of preparation method of ultra-fine inorganic fibre spray coating heat preservation material according to claim 3, it is characterised in that：Step
The rapid three comminutor prilling temperature is 28-35 DEG C.
6. a kind of preparation method of ultra-fine inorganic fibre spray coating heat preservation material according to claim 3, it is characterised in that：Step
The rapid three granulation grain size 0.05-0.1mm.
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