CN106219991B - A kind of preparation method of basalt fibre enhancing foam glass - Google Patents
A kind of preparation method of basalt fibre enhancing foam glass Download PDFInfo
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- CN106219991B CN106219991B CN201610617715.0A CN201610617715A CN106219991B CN 106219991 B CN106219991 B CN 106219991B CN 201610617715 A CN201610617715 A CN 201610617715A CN 106219991 B CN106219991 B CN 106219991B
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- basalt fibre
- mass parts
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- 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
- C03C14/00—Glass compositions containing a non-glass component, e.g. compositions containing fibres, filaments, whiskers, platelets, or the like, dispersed in a glass matrix
- C03C14/002—Glass compositions containing a non-glass component, e.g. compositions containing fibres, filaments, whiskers, platelets, or the like, dispersed in a glass matrix the non-glass component being in the form of fibres, filaments, yarns, felts or woven material
-
- 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
- C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
- C03C1/002—Use of waste materials, e.g. 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
- C03C11/00—Multi-cellular glass ; Porous or hollow glass or glass particles
- C03C11/007—Foam glass, e.g. obtained by incorporating a blowing agent and heating
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Dispersion Chemistry (AREA)
- Glass Compositions (AREA)
Abstract
The present invention relates to the preparation methods that a kind of basalt fibre enhances foam glass comprising following steps：(1) glass powder, flyash are crossed respectively spare after 200 mesh sieve；(2) glass powder that 70~80 mass parts steps (1) obtain, the flyash that 20~30 mass parts steps (1) obtain, the basalt fibre of 0.151~0.757 mass parts, 2~6 mass parts sodium carbonate are weighed respectively by quality, batch is made in the water of the tertiary sodium phosphate of 2 mass parts, 2 mass parts boraxs and 30~35 mass parts after mixing；(3) batch that step (2) obtains is put into heat safe mold, is then shaken 5~10 seconds on a vibration table again；(4) mold after vibrations is put into baking oven, green body is made after 0.5~2 hour dry at 100 DEG C；(5) green body obtained to step (4) is fired at 840~860 DEG C, obtains basalt fibre enhancing foam glass.
Description
Technical field
The invention belongs to Materials Science and Engineering fields, are related to a kind of preparation method of inorganic heat insulation material, and in particular to
A kind of preparation method of basalt fibre enhancing foam glass.
Background technology
With the fast development of China's economy, Building Energy-saving is paid more and more attention.Building thermal insulation material applies energy
The whole energy consumption of building is enough effectively reduced, is that the energy obtains more efficiently utilizing.Building thermal insulation material mainly include machine and
Inorganic two class, the production technology of organic insulation material is more mature, and utilization rate is very high in building exterior wall heat preserving, but organic
The shortcomings of thermal insulation material is inflammable, heated yielding, there are security risks.Foam glass is a kind of inorganic heat insulation material, is had anti-
Aging, it is nontoxic, insulation, and combustibility can reach A grades, compare other thermal insulation material foam glass thermal insulating materials
The safety of material, durability are more preferable.But foam glass thermal insulation material is hard and crisp, and resistance to compression, flexural strength are relatively low, often gives construction band
It is inconvenient to come.The production of foam glass consumes the solid waste such as a large amount of cullet；Its popularization and application can generate good warp
Ji and social benefit are a kind of ideal energy-saving environmentally friendly heat preserving and insulating materials.
Basalt fibre is a kind of novel inorganic environment-friendly Green High Performance fibrous material, it is by silica, oxidation
After the basalt building stones of the oxides such as aluminium, calcium oxide, iron oxide and titanium dioxide composition are melted at 1450 DEG C~1500 DEG C, pass through
Continuous fiber made of platinum-rhodium alloy bushing high speed pulling.Not only stability is good for basalt continuous fiber, but also has
A variety of excellent properties such as electrical insulating property, anticorrosive, flame resistant, high temperature resistant.In addition, the production technology generation of basalt fibre is useless
Gurry is few, and environmental pollution is small, can be directly transferred in ecological environment after product abandonment, without any harm, thus is a kind of pair
Green in fact, environment-friendly materials.After basalt fibre is mixed with glass powder, in additives such as foaming agent, foam stabilizer, fluxing agents
It can obtain that resistance to compression, flexural strength be higher and the good thermal insulation material of heat-insulating property under effect.The foam glass system of different ratio
Product can be widely applied to the fields such as exterior-wall heat insulation, defence and military, petrochemical industry.
Invention content
Goal of the invention：The present invention has made improvements in view of the above-mentioned problems of the prior art, i.e., the invention discloses one kind
Basalt fibre enhances the preparation method of foam glass, using glass powder, basalt fibre, flyash as primary raw material, with carbon
Sour sodium is foaming agent, and tertiary sodium phosphate is foam stabilizer, and borax is that fluxing agent prepares basalt fibre enhancing foam glass.It is fully sharp
With the tensile property of basalt fibre foam glass system can be significantly improved especially as a part for foam glass raw material
Product mechanical strength reduces the brittle fracture of foam glass in work progress, cost-effective.
Technical solution：A kind of preparation method of basalt fibre enhancing foam glass, includes the following steps：
(1) it is sieved
Glass powder, flyash are crossed respectively spare after 200 mesh sieve；
(2) dispensing
Glass powder, 20~30 mass parts steps (1) that 70~80 mass parts steps (1) obtain is weighed respectively by quality to obtain
Flyash, 0.151~0.757 mass parts basalt fibre, 2~6 mass parts sodium carbonate, the tertiary sodium phosphate of 2 mass parts, 2
Batch is made in the water of mass parts borax and 30~35 mass parts after mixing；
(3) it feeds
The batch that step (2) obtains is put into heat safe mold, is then shaken 5~10 seconds on a vibration table again；
(4) dry
Mold after vibrations is put into baking oven, green body is made after 0.5~2 hour dry at 100 DEG C；
(5) it is sintered
The green body obtained to step (4) is fired at 840~860 DEG C, obtains basalt fibre enhancing foam glass.
Further, the specific sintering schedule in step (5) is as follows：
(51) warm-up phase is warming up to 300 DEG C with the heating rate of 4 DEG C/min from room temperature, keeps the temperature 60min；
(52) sintering stage is warming up to 840~860 DEG C with the heating rate of 8~10 DEG C/min of heating rate；
(53) foaming stages keep the temperature 20~30min at 840~860 DEG C；
(54) temperature-fall period is cooled to 600 DEG C with the rate of temperature fall of 5~6 DEG C/min, keeps the temperature 40min；
(55) the natural cooling stage, cool to room temperature with the furnace enhances foam glass to get to basalt fibre.
Further, the filament diameter of basalt fibre is 7~13 μm, and the filament length of basalt fibre is 5~25mm.
Further, the elasticity modulus of basalt fibre is 95~115GPa, and the tensile strength of basalt fibre is
The elongation at break of 3300~4500MPa, basalt fibre are 2.4~3.0%, and density is 2.6~2.8gcm-3, heat transfer
Coefficient is 0.031~0.038W/ (mK).
Advantageous effect：A kind of preparation method of basalt fibre enhancing foam glass disclosed by the invention has beneficial below
Effect：
1, the intensity of foam glass is improved, compression strength is up to 8.5MPa, and flexural strength can reach 0.4~
0.8MPa a, part of the basalt fibre as foam glass raw material, can significantly improve foam glass product mechanical strength, easily
In the machine-shaping of foam glass, be conducive to the popularization and application of foam glass；
2, the pore structure of basalt fibre enhancing foam glass is of moderate size and is evenly distributed, based on closed bubble,
Flammability is A grades, and density can reach 380-680Kg/m3, the foam glass product of different ratio can be widely applied to outside
The fields such as wall heat preservation, defence and military, petrochemical industry；
3, have thermal coefficient small, thermal coefficient reaches 0.041~0.075W/ (mK)；
4, the waste utilization to flyash is realized, cost is reduced, protects environment.
Specific implementation mode：
The specific implementation mode of the present invention is described in detail below.
Specific embodiment 1
A kind of preparation method of basalt fibre enhancing foam glass, includes the following steps：
(1) it is sieved
Glass powder, flyash are crossed respectively spare after 200 mesh sieve；
(2) dispensing
Weigh the fine coal that the glass powder, 20 mass parts steps (1) that 70 mass parts steps (1) obtain obtain respectively by quality
Ash, the basalt fibre of 0.151 mass parts, 2 mass parts sodium carbonate, the tertiary sodium phosphate of 2 mass parts, 2 mass parts boraxs and 30 matter
The water of part is measured, batch is made after mixing；
(3) it feeds
The batch that step (2) obtains is put into heat safe mold, is then shaken 5 seconds on a vibration table again；
(4) dry
Mold after vibrations is put into baking oven, green body is made after 0.5 hour dry at 100 DEG C；
(5) it is sintered
The green body obtained to step (4) is fired at 840 DEG C, obtains basalt fibre enhancing foam glass.
Further, the specific sintering schedule in step (5) is as follows：
(51) warm-up phase is warming up to 300 DEG C with the heating rate of 4 DEG C/min from room temperature, keeps the temperature 60min；
(52) sintering stage is warming up to 840 DEG C with the heating rate of 8 DEG C/min of heating rate；
(53) foaming stages keep the temperature 30min at 840 DEG C；
(54) temperature-fall period is cooled to 600 DEG C with the rate of temperature fall of 5 DEG C/min, keeps the temperature 40min；
(55) the natural cooling stage, cool to room temperature with the furnace enhances foam glass to get to basalt fibre.
Further, the filament diameter of basalt fibre is 7~13 μm, and the filament length of basalt fibre is 5~25mm.
Further, the elasticity modulus of basalt fibre is 95~115GPa, and the tensile strength of basalt fibre is
The elongation at break of 3300~4500MPa, basalt fibre are 2.4~3.0%, and density is 2.6~2.8gcm-3, heat transfer
Coefficient is 0.031~0.038W/ (mK).
Specific embodiment 2
A kind of preparation method of basalt fibre enhancing foam glass, includes the following steps：
(1) it is sieved
Glass powder, flyash are crossed respectively spare after 200 mesh sieve；
(2) dispensing
Weigh the fine coal that the glass powder, 30 mass parts steps (1) that 80 mass parts steps (1) obtain obtain respectively by quality
Ash, the basalt fibre of 0.757 mass parts, 6 mass parts sodium carbonate, the tertiary sodium phosphate of 2 mass parts, 2 mass parts boraxs and 35 matter
The water of part is measured, batch is made after mixing；
(3) it feeds
The batch that step (2) obtains is put into heat safe mold, is then shaken 10 seconds on a vibration table again；
(4) dry
Mold after vibrations is put into baking oven, green body is made after 2 hours dry at 100 DEG C；
(5) it is sintered
The green body obtained to step (4) is fired at 860 DEG C, obtains basalt fibre enhancing foam glass.
Further, the specific sintering schedule in step (5) is as follows：
(51) warm-up phase is warming up to 300 DEG C with the heating rate of 4 DEG C/min from room temperature, keeps the temperature 60min；
(52) sintering stage is warming up to 860 DEG C with the heating rate of 10 DEG C/min of heating rate；
(53) foaming stages keep the temperature 20min at 860 DEG C；
(54) temperature-fall period is cooled to 600 DEG C with the rate of temperature fall of 6 DEG C/min, keeps the temperature 40min；
(55) the natural cooling stage, cool to room temperature with the furnace enhances foam glass to get to basalt fibre.
Further, the filament diameter of basalt fibre is 7~13 μm, and the filament length of basalt fibre is 5~25mm.
Further, the elasticity modulus of basalt fibre is 95~115GPa, and the tensile strength of basalt fibre is
The elongation at break of 3300~4500MPa, basalt fibre are 2.4~3.0%, and density is 2.6~2.8gcm-3, heat transfer
Coefficient is 0.031~0.038W/ (mK).
Specific embodiment 3
A kind of preparation method of basalt fibre enhancing foam glass, includes the following steps：
(1) it is sieved
Glass powder, flyash are crossed respectively spare after 200 mesh sieve；
(2) dispensing
Weigh the fine coal that the glass powder, 25 mass parts steps (1) that 75 mass parts steps (1) obtain obtain respectively by quality
Ash, the basalt fibre of 0.5 mass parts, 4 mass parts sodium carbonate, the tertiary sodium phosphate of 2 mass parts, 2 mass parts boraxs and 32 mass
Batch is made in the water of part after mixing；
(3) it feeds
The batch that step (2) obtains is put into heat safe mold, is then shaken 8 seconds on a vibration table again；
(4) dry
Mold after vibrations is put into baking oven, green body is made after 1 hour dry at 100 DEG C；
(5) it is sintered
The green body obtained to step (4) is fired at 850 DEG C, obtains basalt fibre enhancing foam glass.
Further, the specific sintering schedule in step (5) is as follows：
(51) warm-up phase is warming up to 300 DEG C with the heating rate of 4 DEG C/min from room temperature, keeps the temperature 60min；
(52) sintering stage is warming up to 850 DEG C with the heating rate of 8~10 DEG C/min of heating rate；
(53) foaming stages keep the temperature 20~30min at 850 DEG C；
(54) temperature-fall period is cooled to 600 DEG C with the rate of temperature fall of 5.5 DEG C/min, keeps the temperature 40min；
(55) the natural cooling stage, cool to room temperature with the furnace enhances foam glass to get to basalt fibre.
Further, the filament diameter of basalt fibre is 7~13 μm, and the filament length of basalt fibre is 5~25mm.
Further, the elasticity modulus of basalt fibre is 95~115GPa, and the tensile strength of basalt fibre is
The elongation at break of 3300~4500MPa, basalt fibre are 2.4~3.0%, and density is 2.6~2.8gcm-3, heat transfer
Coefficient is 0.031~0.038W/ (mK).
Embodiments of the present invention are elaborated above.But present invention is not limited to the embodiments described above,
Technical field those of ordinary skill within the scope of knowledge, can also do without departing from the purpose of the present invention
Go out various change.
Claims (3)
1. a kind of preparation method of basalt fibre enhancing foam glass, which is characterized in that include the following steps：
(1) it is sieved
Glass powder, flyash are crossed respectively spare after 200 mesh sieve；
(2) dispensing
Weigh the powder that the glass powder, 20~30 mass parts steps (1) that 70~80 mass parts steps (1) obtain obtain respectively by quality
Coal ash, the basalt fibre of 0.151~0.757 mass parts, 2~6 mass parts sodium carbonate, the tertiary sodium phosphate of 2 mass parts, 2 mass
The water of part borax and 30~35 mass parts, is made batch after mixing；
(3) it feeds
The batch that step (2) obtains is put into heat safe mold, is then shaken 5~10 seconds on a vibration table again；
(4) dry
Mold after vibrations is put into baking oven, green body is made after 0.5~2 hour dry at 100 DEG C；
(5) it is sintered
The green body obtained to step (4) is fired at 840~860 DEG C, obtains basalt fibre enhancing foam glass, wherein：
Specific sintering schedule in step (5) is as follows：
(51) warm-up phase is warming up to 300 DEG C with the heating rate of 4 DEG C/min from room temperature, keeps the temperature 60min；
(52) sintering stage is warming up to 840~860 DEG C with the heating rate of 8~10 DEG C/min of heating rate；
(53) foaming stages keep the temperature 20~30min at 840~860 DEG C；
(54) temperature-fall period is cooled to 600 DEG C with the rate of temperature fall of 5~6 DEG C/min, keeps the temperature 40min；
(55) the natural cooling stage, cool to room temperature with the furnace enhances foam glass to get to basalt fibre.
2. a kind of preparation method of basalt fibre enhancing foam glass according to claim 1, which is characterized in that the Black Warrior
The filament diameter of rock fiber is 7~13 μm, and the filament length of basalt fibre is 5~25mm.
3. a kind of preparation method of basalt fibre enhancing foam glass according to claim 2, which is characterized in that the Black Warrior
The elasticity modulus of rock fiber is 95~115GPa, and the tensile strength of basalt fibre is 3300~4500MPa, basalt fibre
Elongation at break is 2.4~3.0%, and density is 2.6~2.8gcm-3, the coefficient of heat conduction is 0.031~0.038W/ (mK).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610617715.0A CN106219991B (en) | 2016-07-29 | 2016-07-29 | A kind of preparation method of basalt fibre enhancing foam glass |
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| CN201610617715.0A CN106219991B (en) | 2016-07-29 | 2016-07-29 | A kind of preparation method of basalt fibre enhancing foam glass |
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| CN106219991A CN106219991A (en) | 2016-12-14 |
| CN106219991B true CN106219991B (en) | 2018-10-16 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106698955A (en) * | 2017-01-05 | 2017-05-24 | 石河子大学 | preparation method of thermal insulation material |
| CN106673454A (en) * | 2017-01-24 | 2017-05-17 | 扬州大学 | Three-dimensional carbon fiber enhanced foam glass and preparation method thereof |
| KR102211643B1 (en) * | 2019-07-25 | 2021-02-02 | 서울시립대학교 산학협력단 | Foamed glass having high strength and method of manufacturing the same |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101602574A (en) * | 2009-07-14 | 2009-12-16 | 陕西科技大学 | A kind of preparation method of high strength multicellular glass |
| CN101638296A (en) * | 2009-08-11 | 2010-02-03 | 武汉理工大学 | Fiber reinforcement foam glass |
| CN105800945A (en) * | 2016-02-05 | 2016-07-27 | 北京大学 | Foamed heat insulation material and preparation method thereof |
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2016
- 2016-07-29 CN CN201610617715.0A patent/CN106219991B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101602574A (en) * | 2009-07-14 | 2009-12-16 | 陕西科技大学 | A kind of preparation method of high strength multicellular glass |
| CN101638296A (en) * | 2009-08-11 | 2010-02-03 | 武汉理工大学 | Fiber reinforcement foam glass |
| CN105800945A (en) * | 2016-02-05 | 2016-07-27 | 北京大学 | Foamed heat insulation material and preparation method thereof |
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