CN108840574A - A kind of 50,000 tons of spun yarn tank furnace glass compositions - Google Patents
A kind of 50,000 tons of spun yarn tank furnace glass compositions Download PDFInfo
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- CN108840574A CN108840574A CN201811110131.XA CN201811110131A CN108840574A CN 108840574 A CN108840574 A CN 108840574A CN 201811110131 A CN201811110131 A CN 201811110131A CN 108840574 A CN108840574 A CN 108840574A
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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
- C03C13/00—Fibre or filament compositions
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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
- C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
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Abstract
The present invention provides a kind of 50,000 tons of spun yarn tank furnace glass compositions, as follows comprising component and weight content：SiO255.2-64.5%, Al2O34.5-8.5%, Na2O 12.5-16.2%, CaO 10.8-15.8%, K2O 1.5-5.5%, ZrO 0.30-0.50%, MgO 0.15-0.7%, Fe2O3The main component of 0.18-0.68%, the glass composition derive from perlite, pyrophillite, quartz sand, calcite, potassium feldspar, sodium oxide molybdena, calcium oxide, soda ash.Boracic and fluorine etc. do not destroy the component of glass structure to glass composition of the invention, and having reached the balance of the physicochemical property of melted wire drawing and fiber, especially acid resistance compared with other glass fibres has promotion by a relatively large margin.
Description
Technical field
The present invention relates to a kind of glass composition, especially a kind of 50,000 tons of spun yarn tank furnace glass compositions belong to special type
Glass fibre field.
Background technique
Glass fibre belongs to inorganic fibers, has excellent performance and the lower valences such as heat-proof corrosion resistant, high-strength flatness
Lattice.After the technology of extensive tank furnace method production glass fibre makes a breakthrough, the production cost of glass fibre is significantly reduced, therefore
The use scope and usage amount of glass fibre constantly expand, and are widely used in aerospace, automobile, building, electronics, electrical, change
The industries such as work, metallurgy, environmental protection, national defence.Answering for function admirable can be made using glass fiber reinforcement high-molecular organic material
Condensation material, it can also be used to enhance inorganic material (such as cement) and be applied in fields such as road, bridge constructions.
Widely used at present is alkali-free glass fiber and medium-alkali glass fiber, and alkali-free glass fiber belongs to aluminoborosilicate glass, it
Tensile strength, electrical insulation capability it is fine, because in its glass ingredient contain a certain amount of boron, fluorine, structural framework is loose, not complete enough
Whole, acid attack resistance is poor, and composite material prepared therefrom is easy to be shelled by acid attack with resin matrix under acidic environment
From losing intensity rapidly.Medium-alkali glass fiber belongs to sodium-calcium-silicate ingredient, and chemical stability is preferable, because of its alkalinity height, Bu Nengzuo
Electrically insulating material, while the physical indexs such as tensile strength are relatively poor.
Summary of the invention
Existing alkali-free glass fiber and medium-alkali glass fiber there are aiming at the problem that, a kind of Glass Composition Design reasonable 50,000 is provided
Ton spun yarn tank furnace glass composition.On the basis of holding alkali-free glass fibre high physical property, with medium-alkali glass fibre
Acid resistance, it is at low cost the features such as, while being easily achieved tank furnace method large-scale industrial production.
The purpose of the present invention is what is be achieved through the following technical solutions：
A kind of 50,000 tons of spun yarn tank furnace glass compositions, include the following steps：
(1) it delivers the mixture to and is melting into glass metal in kiln；
(2) glass metal is drawn into fiber, the diameter of the fiber is≤7 μm；
The main component of the mixture from perlite, pyrophillite, quartz sand, calcite, potassium feldspar, sodium oxide molybdena,
Calcium oxide, soda ash；The each component and weight content for including in the fiber are as follows：SiO2：55.2-64.5%, Al2O3：4.5-
8.5%, Na2O：12.5-16.2%, CaO：10.8-15.8%, K2O：1.5-5.5%, ZrO：0.30-0.50%, MgO：0.15-
0.7%, Fe2O3：0.18-0.68%.
Preferably, conveying equipment is air-transport system in the step (1)；Glass melting temperature in the kiln is
1300-1500℃。
Preferably, the melted mode in the step (1) is that pure oxygen burning, all-electric melting or pure oxygen burning electricity help and melt.
Preferably, the drawing in the step (2) refers to that fiber is made by bushing and wire drawing machine in glass metal.
Another aspect of the invention is a kind of 50,000 tons of spun yarn tank furnace glass compositions, each component and weight content for including
It is as follows：SiO2：55.2-64.5%, Al2O3：4.5-8.5%, Na2O：12.5-17.5%, CaO：10.8-15.8%, K2O：1.5-
5.5%, ZrO：0.30-0.50%, MgO：0.15-0.7%, Fe2O3：0.18-0.68%.
Preferably, each component and weight content for including are as follows：SiO2：57.5-61.5%, Al2O3：6.5-7.3%,
Na2O：14.5-17.5%, CaO：13-15.5%, K2O：2.5-3.5%, ZrO：0.35-0.45%, MgO：0.2-0.6%,
Fe2O3：0.28-0.48%.
Preferably, following ingredients and weight content are：Na2O：15.5-16.2%, CaO：13.5-14.5%, K2O：
2.8-3.3%, ZrO：0.35-0.45%, MgO：0.38-0.48%, Fe2O3：0.32-0.42%.
Preferably, each component and weight content for including are as follows：SiO2：59.5%, Al2O3：6.9%, Na2O：15.6%,
CaO：13.9%, K2O：2.93%, ZrO：0.38%, MgO：0.42%, Fe2O3：0.37%.
Glass is melted in glass combination raw material of the present invention, and pure oxygen burning, all-electric melting or pure oxygen burning electricity can be used and help
The mode melted carries out kiln and is melted, and forms homogeneous glass solution, considerably reduces melted cost.Kiln can be used with resistance to height
The melting furnaces for the refractory material composition that warm, resistance to glass metal corrodes carry out, such as dense zircon block, electric cast mullite brick etc..Of the present invention 5
When ten thousand tons of spun yarn tank furnace glass compositions prepare glass fibre, using refractory material dense zircon block, corundum brick, electric smelting chromium fused alumina zirconia
The kiln access progress one-step method wire drawing production of brick, mullite construction.Embodiment does not specify technology referring to the prior art.
The present invention passes through accuracy controlling SiO2、Al2O3、Na2O, the content range of tetra- kinds of major constituents of CaO optimizes glass fibre
Internal structure guarantees that glass fibre has good mechanical property, corrosion resistance and processability, overcomes in lower production
The problem of high-performance glass fiber is obtained under difficulty；Suitable K is suitably introduced by raw material simultaneously2O、MgO、Fe2O3Component, into
One step improves the operations for forming of glass fibre, reduces operations for forming difficulty, improves the mechanical performance and corrosion resistance of glass fibre
Energy.Boracic, fluorine and harmful clarifying agent, extension kiln refractory material service life are not realized in perlite fibre composition of the present invention
Energy-saving and environmental protection, emission reduction.It also assures simultaneously and is easily industrialized production by invented glass fibre (its forming temperature is not
More than 1230 DEG C, crystallization ceiling temperature is lower than 1130 DEG C, and wire-drawing shape processing temperature section is greater than 70 DEG C).
Specific embodiment
In order to better illustrate the present invention, technical solution in the embodiment of the present invention is clearly and completely retouched below
It states.
Embodiment 1
A kind of 50,000 tons of spun yarn tank furnace glass compositions, main component and its weight content are：
SiO2：55.2%, Al2O3：8.5%, Na2O：13.3%, CaO：15.8%, K2O：5.5%, ZrO：0.32%,
MgO：0.70%, Fe2O3：0.68%, other 0.02.
According to the above-mentioned listed chemical composition being respectively formulated, by detecting and being calculated the proportion demand of various raw materials,
After Weighing system accurate measurement, batch is uniformly mixed and made into via hybrid system.The batch passes through pneumatic transporting
It send system to be transported to the preceding storehouse of kiln kiln, is fed intake using automatic charging equipment, be melted and obtain in 1510 DEG C of kilns using pure oxygen burning
Clarification, the glass metal being homogenized.The melt flow melted to wire drawing channel and wire-drawing shape system is directly drawn into extraordinary glass
Glass fiber, bushing temperature are 1210 DEG C, and the diameter of the special type glass is 7 μm ± 0.5 μm.
Embodiment 2
A kind of 50,000 tons of spun yarn tank furnace glass compositions, main component and its weight content are：
SiO2：64.5%, Al2O3：5.5%, Na2O：14.3%, CaO：10.8%, K2O：3.0%, ZrO：0.50%,
MgO：0.52%, Fe2O3：0.38%, other 0.50%.
According to the above-mentioned listed chemical composition being respectively formulated, by detecting and being calculated the proportion demand of various raw materials,
After Weighing system accurate measurement, batch is uniformly mixed and made into via hybrid system.The batch passes through pneumatic transporting
It send system to be transported to the preceding storehouse of kiln kiln, is fed intake using automatic charging equipment, help the kiln melted molten using pure oxygen burning electricity at 1450 DEG C
The glass metal of clarification, homogenizing is made.The melt flow melted to wire drawing channel and wire-drawing shape system is directly drawn into
Extraordinary glass, bushing temperature are 1230 DEG C, and the diameter of the special fibre is 5 μm ± 0.5 μm.
Embodiment 3
A kind of 50,000 tons of spun yarn tank furnace glass compositions, main component and its weight content are：
Preferably, each component and weight content for including are as follows：SiO2：59.5%, Al2O3：6.9%, Na2O：15.6%,
CaO：13.9%, K2O：2.93%, ZrO：0.38%, MgO：0.42%, Fe2O3：0.37%.
According to the above-mentioned listed chemical composition being respectively formulated, by detecting and being calculated the proportion demand of various raw materials,
After Weighing system accurate measurement, batch is uniformly mixed and made into via hybrid system.The batch passes through pneumatic transporting
It send system to be transported to the preceding storehouse of kiln kiln, is fed intake using automatic charging equipment, be melted and obtain in 1550 DEG C of kilns using pure oxygen burning
Clarification, the glass metal being homogenized.The melt flow melted to wire drawing channel and wire-drawing shape system is directly drawn into extraordinary glass
Fibre, bushing temperature are 1180 DEG C, and the diameter of the special type glass is 3 μm ± 0.5 μm.
The properties of product of embodiment 1-3 are as follows：
| Fiber basic performance | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Density (g/cm3) | 2.48 | 2.48 | 2.48 |
| Softening point (DEG C) | 756 | 756 | 756 |
| Fibre diameter (μm) | 7 | 5 | 3 |
| Tensile strength (MPa) | 3500 | 4015 | 4070 |
| Elongation at break (%) | 4.92 | 4.65 | 4.65 |
| Thermal expansion coefficient | 5.4 | 5.4 | 5.4 |
| Elasticity modulus (GPa) | 73 | 73 | 73 |
| Strength retention (%) after acid | ≥90 | ≥90 | ≥90 |
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Within the technical scope of the present disclosure, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be with the protection of claims
Subject to range.
Claims (9)
1. a kind of 50,000 tons of spun yarn tank furnace glass compositions, which is characterized in that include the following steps：
(1) it delivers the mixture to and is melting into glass metal in kiln；
(2) glass metal is drawn into fiber, the diameter of the fiber is≤7 μm；
The main component of the mixture derives from perlite, pyrophillite, quartz sand, calcite, potassium feldspar, sodium oxide molybdena, oxidation
Calcium, soda ash；The each component and weight content for including in the fiber are as follows：SiO2：55.2-64.5%, Al2O3：4.5-8.5%,
Na2O：12.5-16.2%, CaO：10.8-15.8%, K2O：1.5-5.5%, ZrO：0.30-0.50%, MgO：0.15-0.7%,
Fe2O3：0.18-0.68%.
2. 50,000 tons of spun yarns tank furnace glass composition according to claim 1, which is characterized in that conveying in the step (1)
Equipment is air-transport system；Glass melting temperature in the kiln is 1300-1500 DEG C.
3. 50,000 tons of spun yarns tank furnace glass composition according to claim 1, which is characterized in that molten in the step (1)
Mode processed is that pure oxygen burning, all-electric melting or pure oxygen burning electricity help and melt.
4. the preparation method of 50,000 tons of spun yarns tank furnace glass composition according to claim 1, which is characterized in that the step
Suddenly the drawing in (2) refers to that fiber is made by bushing and wire drawing machine in glass metal.
5. 50,000 tons of spun yarns tank furnace glass composition according to claim 1, which is characterized in that the drawing in the step (2)
System, which refers to, is made glass marble by marble forming machine for glass metal, then glass marble is melted at 1200-1350 DEG C using saving of platinum alloy, adopts
With bushing, fiber is drawn under 1180-1230 DEG C of nozzle plate temperature.
6. -5 any 50,000 tons of spun yarns tank furnace glass composition according to claim 1, which is characterized in that each component for including
And weight content is as follows：SiO2：55.2-64.5%, Al2O3：4.5-8.5%, Na2O：12.5-17.5%, CaO：10.8-
15.8%, K2O：1.5-5.5%, ZrO：0.30-0.50%, MgO：0.15-0.7%, Fe2O3：0.18-0.68%.
7. 50,000 tons of spun yarn tank furnace glass compositions according to claim 6, which is characterized in that each component and weight for including
Content is as follows：SiO2：57.5-61.5%, Al2O3：6.5-7.3%, Na2O：14.5-17.5%, CaO：13-15.5%, K2O：
2.5-3.5%, ZrO：0.35-0.45%, MgO：0.2-0.6%, Fe2O3：0.28-0.48%.
8. 50,000 tons of spun yarn tank furnace glass compositions according to claim 6, which is characterized in that following ingredients and weight contain
Amount is：Na2O：15.5-16.2%, CaO：13.5-14.5%, K2O：2.8-3.3%, ZrO：0.35-0.45%, MgO：0.38-
0.48%, Fe2O3：0.32-0.42%.
9. 50,000 tons of spun yarn tank furnace glass compositions according to claim 8, which is characterized in that each component and weight for including
Content is as follows：SiO2：59.5%, Al2O3：6.9%, Na2O：15.6%, CaO：13.9%, K2O：2.93%, ZrO：0.38%,
MgO：0.42%, Fe2O3：0.37%.
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| CN201811110131.XA CN108840574B (en) | 2018-09-21 | 2018-09-21 | Glass composition for 5 ten thousand ton spun yarn tank furnace |
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| CN201811110131.XA CN108840574B (en) | 2018-09-21 | 2018-09-21 | Glass composition for 5 ten thousand ton spun yarn tank furnace |
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| CN113896425A (en) * | 2021-11-10 | 2022-01-07 | 泰安顺茂新材料技术有限公司 | Erosion resistant glass compositions and fibers thereof |
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| CN113896425B (en) * | 2021-11-10 | 2023-01-24 | 泰安顺茂新材料技术有限公司 | Erosion resistant glass compositions and fibers thereof |
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