CN102173567A - Method for preparing fiber reinforced microcrystalline glass insulation material - Google Patents
Method for preparing fiber reinforced microcrystalline glass insulation material Download PDFInfo
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- CN102173567A CN102173567A CN 201110023765 CN201110023765A CN102173567A CN 102173567 A CN102173567 A CN 102173567A CN 201110023765 CN201110023765 CN 201110023765 CN 201110023765 A CN201110023765 A CN 201110023765A CN 102173567 A CN102173567 A CN 102173567A
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- devitrified glass
- slag
- glass waste
- waste material
- fiber reinforcement
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Abstract
The invention relates to a method for preparing a fiber reinforced microcrystalline glass insulation material, which is characterized by comprising the following steps of: (1) firstly, obtaining a slag staple fiber through the centrifugal blowing process at a high-temperature liquid slag outlet of an industrial furnace; (2) pulverizing microcrystalline glass into 0.1-0.5 mm particles to obtain microcrystalline glass waste particles; (3) selecting the following raw materials for later use in percentage by weight: 23-35% of slag staple fiber, 60-75% of microcrystalline glass waste particles and 2-7% of foaming agent; uniformly mixing the slag staple fiber, the microcrystalline glass waste particles and the foaming agent to obtain a mixture; and (4) loading the mixture into a die, heating the die to 850-950 DEG C in a calcining kiln, maintaining the temperature for 1.0-2.0 h to perform calcine, annealing and cooling the die, taking the material out of the die to form the fiber reinforced microcrystalline glass insulation material. The method provided by the invention is simple, saves energy and resources and is beneficial to environmental protection.
Description
Technical field
The invention belongs to material manufacturing technology field, be specifically related to utilize liquid industrial slags and devitrified glass waste material to prepare a kind of method of fiber reinforcement devitrified glass lagging material.
Background technology
Along with the fast development of modern industry, the quantity discharged of industrial solid castoff increases year by year, and environment has been caused serious pollution and destruction.How effectively to utilize industrial solid castoff and protect environment, be subjected to people's common concern.At present, the mode that high temperature phosphorous slag, metallurgical slag are come out of the stove is that liquid slag is derived and shrend, makes it become a certain size solid particulate.Utilize solid waste such as phosphorus slag, metallurgical slag to be the existing report of the method for feedstock production devitrified glass, its preparation method is that the various raw materials that will comprise slag mix the back high temperature melting according to a certain ratio, reshaping, sintering, crystallization, annealing, though these methods can be utilized solid waste, but the material preparation process process is complicated, need compound is carried out high temperature melting again, so the energy consumption height.In addition, in building decoration devitrified glass production process, some waste products and cutting scrap stock normally melt down high temperature melting again, have consumed a large amount of energy.
Summary of the invention
At having the deficiency that industrial solid castoff and devitrified glass waste material utilize technology now, the object of the present invention is to provide a kind of preparation method of fiber reinforcement devitrified glass lagging material, this method technology is simple, energy-conservation, economizes on resources, and is beneficial to environmental protection.
For achieving the above object, technical scheme of the present invention is: a kind of preparation method of fiber reinforcement devitrified glass lagging material is characterized in that it comprises the steps:
1) at first in high-temperature liquid state slag (as phosphorus slag, the slag) outlet of industrial furnace, obtains the slag staple fibre by centrifugal blowing process;
2) the devitrified glass waste material is ground into the particle of 0.1～0.5mm, obtains devitrified glass waste material particle;
3) by the shared weight percentage of each raw material be: slag staple fibre 23～35%, devitrified glass waste material particle 60～75%, whipping agent 2～7%, choose slag staple fibre, devitrified glass waste material particle and whipping agent, standby; Slag staple fibre, devitrified glass waste material particle and whipping agent are mixed, obtain compound;
4) compound is put in the mould, placed calcining kiln to be heated to 850 ℃～950 ℃ (room temperature to 700 a ℃ temperature rise rate is 4～6 ℃/minute, and temperature rise rate is 6～8 ℃/minute more than 700 ℃) then, insulation was burnt till in 1.0～2.0 hours; (reduce to 600 ℃ through annealing, cooling then with 15～20 ℃/minute cooling rate, reduce to 250 ℃ with 0.7～1.2 ℃/minute cooling rate again, be cooled to 60 ℃ with 5～7 ℃/minute cooling rate then), take out the demoulding, promptly obtain fiber reinforcement devitrified glass lagging material.
Described high-temperature liquid state slag is high-temperature liquid state phosphorus slag or high-temperature liquid state slag.
Described devitrified glass waste material is the scrap stock of architectural decoration devitrified glass waste product or architectural decoration devitrified glass cutting.
Described whipping agent is any one or any mixture that (contains any two kinds) more than two kinds in carbon dust, rhombspar, the mica, and any is any proportioning when (containing any two kinds) more than two kinds and mixing.
The invention has the beneficial effects as follows: the one, directly the high-temperature liquid state slag (phosphorus slag, slag) of industrial furnace is made staple fibre as raw material, economize on resources, be beneficial to environmental protection; The 2nd, fibrous slag (slag staple fibre) plays the effect of material skeleton structure, combines with the granular microcrystalline glassy phase, has improved bulk strength.The 3rd, raw material does not need high temperature melting, and technological process is simple and saved a large amount of energy.The 4th, the devitrified glass waste material has been because of itself being that devitrified glass does not then need crystallization more, only need burn till and shortened preparation time greatly.
Compare with other lagging material, material of the present invention has fiber reinforcement and crystallite enhanced dual nature, and its folding strength height, chemical stability is good, heat-proof quality is good, and the use temperature scope is wide, can be used for the insulation of buildings and industrial equipments.
Embodiment
In order to understand the present invention better, further illustrate content of the present invention below in conjunction with embodiment, but content of the present invention not only is confined to the following examples.
Embodiment 1:
A kind of preparation method of fiber reinforcement devitrified glass lagging material, it comprises the steps:
1) at first in the high-temperature liquid state slag outlet (at system phosphorus electric furnace slag notch) of industrial furnace, obtains the slag staple fibre by centrifugal blowing process;
2) devitrified glass waste material (scrap stock of architectural decoration devitrified glass cutting) is ground into the particle of 0.1～0.2mm, obtains devitrified glass waste material particle;
3) by the shared weight percentage of each raw material be: slag staple fibre 35%, devitrified glass waste material particle 61%, whipping agent (carbon dust) 4%, choose slag staple fibre, devitrified glass waste material particle and whipping agent, standby; Slag staple fibre, devitrified glass waste material particle and whipping agent are mixed, obtain compound;
4) compound is put in the mould, (room temperature to 700 ℃ temperature rise rate is 5 ℃/minute to place calcining kiln to be heated to 850 ℃ then, temperature rise rate is 8 ℃/minute more than 700 ℃), insulation burnt till in 1.0 hours, utilize fiber interface to be easy to the principle of crystallization, form a large amount of fibrous devitrified glasses in short period of time, and the devitrified glass pellet is softening and Partial Liquid Phase occurs, sinters an integral material into, simultaneously because the effect of whipping agent forms a certain amount of sealed porosity in material; Through annealing, cooling (reduce to 600 ℃ with 15 ℃/minute cooling rate, reduce to 250 ℃ with 1 ℃/minute cooling rate again, be cooled to 60 ℃ with 5 ℃/minute cooling rate then), take out the demoulding then, promptly obtain fiber reinforcement devitrified glass lagging material.
The performance index of resulting fiber reinforcement devitrified glass lagging material are: density 1.7g/cm
3, folding strength 30MPa, water-intake rate＜0.12%, acid resistance 0.011%, alkali resistance 0.014%, use temperature-50 ℃～600 ℃.
Embodiment 2:
A kind of preparation method of fiber reinforcement devitrified glass lagging material, it comprises the steps:
1) at first in the high-temperature liquid state slag outlet (being the steel melting furnace slag notch) of industrial furnace, obtains the slag staple fibre by centrifugal blowing process;
2) devitrified glass waste material (being architectural decoration devitrified glass waste product) is ground into the particle of 0.2～0.3mm, obtains devitrified glass waste material particle;
3) by the shared weight percentage of each raw material be: slag staple fibre 30%, devitrified glass waste material particle 64%, whipping agent (rhombspar) 6%, choose slag staple fibre, devitrified glass waste material particle and whipping agent, standby; Slag staple fibre, devitrified glass waste material particle and whipping agent are mixed, obtain compound;
4) compound is put in the mould, (room temperature to 700 ℃ temperature rise rate is 4 ℃/minute to place calcining kiln to be heated to 880 ℃ then, 700 ℃～880 ℃ temperature rise rates are 7 ℃/minute), insulation burnt till in 1.5 hours, utilize fiber interface to be easy to the principle of crystallization, form a large amount of fibrous devitrified glasses in short period of time, and the devitrified glass pellet is softening and Partial Liquid Phase occurs, sinters an integral material into, simultaneously because the effect of whipping agent forms a certain amount of sealed porosity in material; (reduce to 600 ℃ through annealing, cooling then with 18 ℃/minute cooling rate, reduce to 250 ℃ with 0.8 ℃/minute cooling rate again, be cooled to 60 ℃ with 6 ℃/minute cooling rate then), take out the demoulding, promptly obtain fiber reinforcement devitrified glass lagging material.
The performance index of the fiber reinforcement devitrified glass lagging material that obtains are: 1.8g/cm
3, folding strength 35MPa, water-intake rate＜0.10%, acid resistance 0.010%, alkali resistance 0.013%, use temperature-50 ℃～600 ℃.
Embodiment 3:
A kind of preparation method of fiber reinforcement devitrified glass lagging material, it comprises the steps:
1) at first in the high-temperature liquid state slag outlet (at system phosphorus electric furnace slag notch) of industrial furnace, obtains the slag staple fibre by centrifugal blowing process;
2) the devitrified glass waste material is ground into the particle of 0.3～0.4mm, obtains devitrified glass waste material particle;
3) by the shared weight percentage of each raw material be: slag staple fibre 23%, devitrified glass waste material particle 75%, whipping agent (mica) 2%, choose slag staple fibre, devitrified glass waste material particle and whipping agent, standby; Slag staple fibre, devitrified glass waste material particle and whipping agent are mixed, obtain compound;
4) compound is put in the mould, placed calcining kiln to be heated to 900 ℃ (room temperature to 700 a ℃ temperature rise rate is 6 ℃/minute, and temperature rise rate is 8 ℃/minute more than 700 ℃) then, insulation was burnt till in 1.5 hours; (reduce to 600 ℃ through annealing, cooling then with 20 ℃/minute cooling rate, reduce to 250 ℃ with 0.7 ℃/minute cooling rate again, be cooled to 60 ℃ with 5 ℃/minute cooling rate then), take out the demoulding, promptly obtain fiber reinforcement devitrified glass lagging material.
The performance index of the fiber reinforcement devitrified glass lagging material that obtains are: 1.9g/cm
3, folding strength 36MPa, water-intake rate＜0.11%, acid resistance 0.010%, alkali resistance 0.013%, use temperature-50 ℃～600 ℃.
Embodiment 4:
A kind of preparation method of fiber reinforcement devitrified glass lagging material, it comprises the steps:
1) at first in the high-temperature liquid state slag outlet (being the steel melting furnace slag notch) of industrial furnace, obtains the slag staple fibre by centrifugal blowing process;
2) the devitrified glass waste material is ground into the particle of 0.4～0.5mm, obtains devitrified glass waste material particle;
3) by the shared weight percentage of each raw material be: slag staple fibre 33%, devitrified glass waste material particle 60%, whipping agent 7% (carbon dust 4%, rhombspar 3%), choose slag staple fibre, devitrified glass waste material particle and whipping agent, standby; Slag staple fibre, devitrified glass waste material particle and whipping agent are mixed, obtain compound;
4) compound is put in the mould, placed calcining kiln to be heated to 950 ℃ (room temperature to 700 a ℃ temperature rise rate is 5 ℃/minute, and 700 ℃～950 ℃ temperature rise rates are 8 ℃/minute) then, insulation was burnt till in 2.0 hours; (reduce to 600 ℃ through annealing, cooling then with 16 ℃/minute cooling rate, reduce to 250 ℃ with 1.2 ℃/minute cooling rate again, be cooled to 60 ℃ with 6 ℃/minute cooling rate then), take out the demoulding, promptly obtain fiber reinforcement devitrified glass lagging material.
The performance index of the fiber reinforcement devitrified glass lagging material that obtains are: 1.7g/cm
3, folding strength 30MPa, water-intake rate＜0.15%, acid resistance 0.011%, alkali resistance 0.014%, use temperature-50 ℃～600 ℃.
Claims (4)
1. the preparation method of a fiber reinforcement devitrified glass lagging material is characterized in that it comprises the steps:
1) at first in the high-temperature liquid state slag outlet of industrial furnace, obtains the slag staple fibre by centrifugal blowing process;
2) the devitrified glass waste material is ground into the particle of 0.1～0.5mm, obtains devitrified glass waste material particle;
3) by the shared weight percentage of each raw material be: slag staple fibre 23～35%, devitrified glass waste material particle 60～75%, whipping agent 2～7%, choose slag staple fibre, devitrified glass waste material particle and whipping agent, standby; Slag staple fibre, devitrified glass waste material particle and whipping agent are mixed, obtain compound;
4) compound is put in the mould, placed calcining kiln to be heated to 850 ℃～950 ℃, insulation then and burnt till in 1.0～2.0 hours; Through annealing, cooling, take out the demoulding then, promptly obtain fiber reinforcement devitrified glass lagging material.
2. the preparation method of a kind of fiber reinforcement devitrified glass lagging material according to claim 1 is characterized in that: described high-temperature liquid state slag is high-temperature liquid state phosphorus slag or high-temperature liquid state slag.
3. the preparation method of a kind of fiber reinforcement devitrified glass lagging material according to claim 1 is characterized in that: described devitrified glass waste material is the scrap stock of architectural decoration devitrified glass waste product or architectural decoration devitrified glass cutting.
4. the preparation method of a kind of fiber reinforcement devitrified glass lagging material according to claim 1, it is characterized in that: described whipping agent is any one or any mixture more than two kinds in carbon dust, rhombspar, the mica, and any is any proportioning when mixing more than two kinds.
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| CN2011100237653A CN102173567B (en) | 2011-01-21 | 2011-01-21 | Method for preparing fiber reinforced microcrystalline glass insulation material |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102719578A (en) * | 2012-06-28 | 2012-10-10 | 田鹏飞 | Method for cooling and utilizing high-temperature liquid industrial waste residues |
| CN103742757A (en) * | 2013-09-11 | 2014-04-23 | 太仓派欧技术咨询服务有限公司 | Preparation device and preparation method for glass fiber core material pulp |
| RU2631462C1 (en) * | 2016-03-22 | 2017-09-22 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Ульяновский государственный технический университет" | Composition of charge for manufacturing foam glass |
| CN110511052A (en) * | 2019-08-19 | 2019-11-29 | 福建德胜新建材有限公司 | A kind of foamed ceramic and preparation method thereof using the production of steel plant's tailings |
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| US20040080063A1 (en) * | 2002-08-23 | 2004-04-29 | Amlan Datta | Synthetic microspheres and methods of making same |
| CN1868946A (en) * | 2006-06-06 | 2006-11-29 | 武汉理工大学 | Waste residue microcrystal glass and its preparation method |
| EP1897862A1 (en) * | 2006-09-05 | 2008-03-12 | Rockwool International A/S | Mineral wool composite moldings |
| CN101565323A (en) * | 2009-06-05 | 2009-10-28 | 哈尔滨工业大学（威海） | Method for preparing microcrystalline glass composite material containing alumina |
| CN101798850A (en) * | 2010-03-11 | 2010-08-11 | 李珠 | Foaming type inorganic heat insulation plate, preparation method thereof and heat insulation layer thereof |
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2011
- 2011-01-21 CN CN2011100237653A patent/CN102173567B/en not_active Expired - Fee Related
Patent Citations (5)
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| US20040080063A1 (en) * | 2002-08-23 | 2004-04-29 | Amlan Datta | Synthetic microspheres and methods of making same |
| CN1868946A (en) * | 2006-06-06 | 2006-11-29 | 武汉理工大学 | Waste residue microcrystal glass and its preparation method |
| EP1897862A1 (en) * | 2006-09-05 | 2008-03-12 | Rockwool International A/S | Mineral wool composite moldings |
| CN101565323A (en) * | 2009-06-05 | 2009-10-28 | 哈尔滨工业大学（威海） | Method for preparing microcrystalline glass composite material containing alumina |
| CN101798850A (en) * | 2010-03-11 | 2010-08-11 | 李珠 | Foaming type inorganic heat insulation plate, preparation method thereof and heat insulation layer thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102719578A (en) * | 2012-06-28 | 2012-10-10 | 田鹏飞 | Method for cooling and utilizing high-temperature liquid industrial waste residues |
| CN103742757A (en) * | 2013-09-11 | 2014-04-23 | 太仓派欧技术咨询服务有限公司 | Preparation device and preparation method for glass fiber core material pulp |
| CN103742757B (en) * | 2013-09-11 | 2016-02-24 | 太仓派欧技术咨询服务有限公司 | Preparing apparatus of a kind of glass fibre core slurry and preparation method thereof |
| RU2631462C1 (en) * | 2016-03-22 | 2017-09-22 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Ульяновский государственный технический университет" | Composition of charge for manufacturing foam glass |
| CN110511052A (en) * | 2019-08-19 | 2019-11-29 | 福建德胜新建材有限公司 | A kind of foamed ceramic and preparation method thereof using the production of steel plant's tailings |
| CN110511052B (en) * | 2019-08-19 | 2021-09-28 | 福建德胜新建材有限公司 | Foamed ceramic produced by using tailings of steel plant and preparation method thereof |
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| CN102173567B (en) | 2012-11-07 |
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