CN108191226A - A kind of method that spodumene slag makees fluxing fining agent production glass fibre - Google Patents

A kind of method that spodumene slag makees fluxing fining agent production glass fibre Download PDF

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CN108191226A
CN108191226A CN201810034689.8A CN201810034689A CN108191226A CN 108191226 A CN108191226 A CN 108191226A CN 201810034689 A CN201810034689 A CN 201810034689A CN 108191226 A CN108191226 A CN 108191226A
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parts
glass fibre
fluxing
spodumene slag
spodumene
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CN108191226B (en
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刘钢
刘术明
陈锐
罗彬�
孙智
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NEIJIANG HUAYUAN ELECTRONIC MATERIALS CO Ltd
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NEIJIANG HUAYUAN ELECTRONIC MATERIALS CO Ltd
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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
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01—Manufacture of glass fibres or filaments
    • C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
    • C03B37/022—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from molten glass in which the resultant product consists of different sorts of glass or is characterised by shape, e.g. hollow fibres, undulated fibres, fibres presenting a rough surface
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/07—Controlling or regulating
    • 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
    • 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
    • C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
    • C03C25/10—Coating
    • C03C25/24—Coatings containing organic materials
    • C03C25/26—Macromolecular compounds or prepolymers
    • C03C25/28—Macromolecular compounds or prepolymers obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • C03C25/30—Polyolefins
    • 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
    • C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
    • C03C25/10—Coating
    • C03C25/24—Coatings containing organic materials
    • C03C25/26—Macromolecular compounds or prepolymers
    • C03C25/32—Macromolecular compounds or prepolymers obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
    • C03C25/326—Polyureas; Polyurethanes
    • 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
    • C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
    • C03C25/10—Coating
    • C03C25/24—Coatings containing organic materials
    • C03C25/26—Macromolecular compounds or prepolymers
    • C03C25/32—Macromolecular compounds or prepolymers obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
    • C03C25/36—Epoxy resins

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Glass Compositions (AREA)

Abstract

The invention discloses a kind of method for making fluxing fining agent production glass fibre with spodumene slag, including weighings, dispensing, it is melted, access, wire drawing, dries；A component is weighed by following parts by weight：Kaolin：100~120, pyrophillite：150~410, quick lime：150~200, dolomite：50~70, colemanite：50~70, white afrodite：130~310, fluorite：20~30, spodumene slag 10~30, the sum of each component parts by weight are 1000.The present invention uses spodumene slag as fluxing fining agent, can prevent glass fibre deliquescence caking obtained, and spodumene slag can reduce kaolinic refractoriness, while does not need to glass melting temperature and keep stablizing, therefore reduce industrial production difficulty.Glass fibre is produced using method provided by the invention, cost is not only reduced, pollution of the slag to environment can also be reduced, there is preferable economic benefit and social benefit.

Description

A kind of method that spodumene slag makees fluxing fining agent production glass fibre
Technical field
The invention belongs to glass fibre manufacture technical fields, and in particular to a kind of spodumene slag makees fluxing fining agent life The method for producing glass fibre.
Background technology
Glass fibre is a kind of inorganic non-metallic material haveing excellent performance, and has that good insulating, heat resistance be strong, corrosion resistance Well, the advantages of high mechanical strength.Glass fibre is typically used as reinforcing material, electrically insulating material and adiabatic heat-insulation in composite material Material is all widely used in national economy every field.
China's fiberglass industry production at present is mainly using pool kiln wiredrawing production technology, using this technique productions glass During fiber, main fluxing fining agent raw material is saltcake.When making fluxing fining agent with saltcake, because its property of raw material determines its suction Aqueous strong, easy deliquescence caking, influences the uniformity of batch, and influence the conveying of batch, while price in use Also it is higher, and require glass melting temperature sufficiently stable, it otherwise can generate " glass gall " and influence melting quality.Therefore, one kind is found to help Molten fining agent substitute is necessary.
Invention content
For the above-mentioned prior art, the technical problem to be solved in the present invention is to provide it is a kind of made with spodumene slag it is fluxing clear The method of clear agent production glass fibre, to solve glass fibre, easily deliquescence caking, cost are higher during making and production is difficult Spend the technical issues of high.
In order to achieve the above object, the technical solution adopted in the present invention is：There is provided a kind of spodumene slag make it is fluxing The method that fining agent produces glass fibre, includes the following steps：
(1) it weighs：A component is weighed by following parts by weight：Kaolin：100~120 parts, pyrophillite：It is 150~410 parts, raw Lime：150~200 parts, dolomite：50~70 parts, colemanite：50~70 parts, white afrodite：130~310 parts, fluorite：20~ 30 parts, 10~30 parts of spodumene slag, the sum of each component parts by weight are 1000；Wherein：
The component of spodumene slag includes by percentage to the quality：SiO2>=55wt%, Al2O3>=21wt%, Fe2O3≤ 0.9wt%, SO3>=5.5wt%, H2O≤1wt%；
(2) dispensing：Fluorite and spodumene slag are pre-mixed, are then uniformly mixed with remaining component in step (1)；
(3) it is melted：Mixture obtained by step (2) is sent into kiln and is melted, obtains glass metal；
(4) access：It is flowed out in platinum bushing plate of the glass metal through 800~4000 holes after step (3) is melted, the glass after outflow Glass liquid temperature is 1280~1320 DEG C；
(5) wire drawing：After surface of material made from step (4) coats one layer of macromolecule emulsion, it is wrapped on headstock and is made Precursor of the diameter at 9~24 μm；Precursor ingredient includes by percentage to the quality：SiO2：53~56wt%, Al2O3：13~ 15wt%, Fe2O3≤ 0.5wt%, CaO：23~24wt%, MgO：2~2.5wt%, Na2O+K2O：≤ 0.5wt%, B2O3：3~ 4wt%；
(6) it dries：After carrying out 12~16h of drying to the precursor obtained by step (5) under the conditions of 90~150 DEG C, finished product is obtained Silk.
Based on the above technical solution, the present invention can also be improved as follows.
Further, during weighing, each component matches by weight is：Kaolin：120 parts, pyrophillite：310 parts, raw stone Ash：170 parts, dolomite：60 parts, colemanite：60 parts, white afrodite：250 parts, fluorite：20 parts, 10 parts of spodumene slag.
Further, melting method is in step (3)：Kiln temperature is risen rapidly to 800~900 DEG C first, keep 3~ 5h；Then temperature is increased to 1200~1400 DEG C, keeps 5~10h；Temperature is increased to 1500~1600 DEG C again, keeps 64 ~74h carries out clarification and homogenization at this temperature；1300~1350 DEG C are finally cooled to, obtains glass metal.
Further, macromolecule emulsion described in step (5) is epoxy resin latex, polyaminoester emulsion or PVC lotions.
Further, drying mode is steam drying or microwave drying in step (6).
The beneficial effects of the invention are as follows：
1. spodumene slag is remaining slag after spodumene purifying lithium.Using spodumene slag as fluxing fining agent, no A large amount of costs of material can only be saved, there is good economic benefit, while pollution of the slag to environment can be reduced, have compared with Good social benefit.
2. contain SO in spodumene slag3, the SO in saltcake can be substituted3Clarification is played, due to not having using saltcake, Glass fibre obtained will not deliquescence caking, preferable quality can be kept for a long time.And using spodumene slag as fluxing clear Clear agent, glass melting temperature can fluctuate, meanwhile, spodumene slag can reduce kaolinic refractoriness, and production difficulty substantially reduces.Separately Outside, spodumene slag can reduce the crystallizing power of glass fibre, can effectively prevent occurring to analyse in glass fibre forming process Go out crystal and destroy the situation of product.
3. when melted, temperature gradient heating keeps one end time, conducive to variety classes salt under different gradient temperatures Generation, for final products more uniformly with stabilization, product quality is more preferable.
Specific embodiment
The specific embodiment of the present invention is described in detail below.
The method for making fluxing fining agent production glass fibre with spodumene slag includes the following steps：
(1) it weighs, each component matches by weight is：Kaolin：100~120 parts, pyrophillite：It is 150~410 parts, raw Lime：150~200 parts, dolomite：50~70 parts, colemanite：50~70 parts, white afrodite：130~310 parts, fluorite：20~ 30 parts, 10~30 parts of spodumene slag, the sum of each group distribution ratio is 1000,200~325 mesh is needed to sieve before each component mixing；Its In：
The component of spodumene slag includes by percentage to the quality：SiO2>=55wt%, Al2O3>=21wt%, Fe2O3≤ 0.9wt%, SO3>=5.5wt%, H2O≤1wt%；
(2) fluorite and spodumene slag are pre-mixed by dispensing, then with being sent into together with remaining raw material in step (1) It is stirred in the mixture of airstream and strength stirring transmitter, until the mixture uniformity is more than 92%；
(3) it is melted, kiln temperature is risen rapidly to 800~900 DEG C, keeps 3~5h, forms borate；It then will be warm Degree is increased to 1200~1400 DEG C, keeps 5~10h, forms silicate；Temperature is increased to 1500~1600 DEG C again, keeps 64 ~74h carries out clarification and homogenization at this temperature；1300~1350 DEG C are finally cooled to, obtains glass metal；
(4) access, step (3) be melted after platinum bushing plate of the glass metal through 800~4000 holes in flow out, the glass after outflow Glass liquid temperature is 1280~1320 DEG C；
(5) wire drawing coats one layer of oxygen resin emulsion, polyaminoester emulsion or PVC lotions in surface of material made from step (4) Afterwards, it is wrapped on headstock and precursor of the diameter at 9~24 μm is made, precursor ingredient includes by percentage to the quality：SiO2：53~ 55wt%, Al2O3：13~15wt%, Fe2O3≤ 0.48wt%, CaO：23~24wt%, MgO：2~2.5wt%, Na2O+K2O： ≤ 0.8wt%, B2O3：3~4wt%；
(6) it dries, after carrying out 12~16h of drying to the precursor obtained by step (5) under the conditions of 90~150 DEG C, obtains finished product Silk, drying mode are steam drying or microwave drying.
Embodiment one
Standard using raw material gross weight as 100kg weighs raw material, and required each raw material usage is：Kaolin：12kg, In：SiO2>=45%, Al2O3>=33%, Fe2O3≤ 0.9%, H2O≤1%；Pyrophillite：31kg, wherein：SiO2>=72%, Al2O3>=16.5%, Fe2O3≤ 0.50%, H2O≤1%；Quick lime：17kg, wherein：CaO >=88%, Fe2O3≤ 0.30%, MgO≤3%, H2O≤1%；Dolomite：6kg, wherein CaO >=30%, Fe2O3≤ 0.12%, MgO≤19.5%, H2O≤1%； Colemanite：6kg, wherein CaO >=28%, Fe2O3≤ 0.10%, SiO2≤ 6.5%, B2O3>=40%, H2O≤1%；White bubble Stone：25kg, wherein SiO2>=82%, Al2O3>=11%, Fe2O3≤ 0.50%, H2O≤1%；Fluorite：2kg, wherein：CaF2≥ 90%, H2O≤1%；Industrial spodumene slag 1kg, wherein SiO2>=55%, Al2O3>=21%, Fe2O3≤ 0.9%, SO3≥ 5.5, H2O≤1%；Above-mentioned percentage is mass percent.
The component content of CaO in quick lime should be detected before weighing daily, according to its component content height adjustment lime dosage.
Production stage is：
(1) various raw materials are weighed by proportioning feeding；All raw materials were both needed to 200~325 mesh screens；
(2) start blender, after device to be mixed works well, fluorite and spodumene slag are pre-mixed, then with remaining Remaining raw material is sent into the mixture of airstream and strength stirring transmitter and is stirred together, until the mixture uniformity is more than 92%；
(3) uniformly mixed material is sent into be melted in kiln and obtains high-temperature glass liquid；Melted concrete operations are：By kiln Temperature rises rapidly to 900 DEG C, keeps 3h, forms borate；Then temperature is increased to 1400 DEG C, keeps 5h, form silicic acid Salt；Temperature is increased to 1600 DEG C again, 64h is kept, carries out clarification and homogenization at this temperature；It is finally cooled to 1300~1350 DEG C, obtain glass metal；
(4) through being flowed out in the platinum bushing plate through 4000 holes, the temperature flowed out from platinum bushing plate is controlled 1280 glass metal ℃；
(5) it will be wrapped on headstock and diameter is made exists after surface of material made from step (4) coats one layer of macromolecule emulsion 9~24 μm of precursor；
(6) precursor for obtaining step (5) dries obtained glass using steam drying or micro-wave oven heating, drying mode Fibrous finished product；Drying temperature control is at 150 DEG C, drying time 12h.
Embodiment two
Standard using raw material gross weight as 100kg weighs raw material, and required each raw material usage is：Kaolin：10kg, In：SiO2>=45%, Al2O3>=33%, Fe2O3≤ 0.9%, H2O≤1%；Pyrophillite：37kg, wherein：SiO2>=72%, Al2O3>=16.5%, Fe2O3≤ 0.50%, H2O≤1%；Quick lime：20kg, wherein：CaO >=88%, Fe2O3≤ 0.30%, MgO≤3%, H2O≤1%；Dolomite：5kg, wherein CaO >=30%, Fe2O3≤ 0.12%, MgO≤19.5%, H2O≤1%； Colemanite：7kg, wherein CaO >=28%, Fe2O3≤ 0.10%, SiO2≤ 6.5%, B2O3>=40%, H2O≤1%；White bubble Stone：15kg, wherein SiO2>=82%, Al2O3>=11%, Fe2O3≤ 0.50%, H2O≤1%；Fluorite：3kg, wherein：CaF2≥ 90%, H2O≤1%；Industrial spodumene slag 3kg, wherein SiO2>=55%, Al2O3>=21%, Fe2O3≤ 0.9%, SO3≥ 5.5, H2O≤1%；Above-mentioned percentage is mass percent.
The component content of CaO in quick lime should be detected before weighing daily, according to its component content height adjustment lime dosage.
Production stage is：
(1) various raw materials are weighed by proportioning feeding；All raw materials were both needed to 200~325 mesh screens；
(2) start blender, after device to be mixed works well, fluorite and spodumene slag are pre-mixed, then with remaining Remaining raw material is sent into the mixture of airstream and strength stirring transmitter and is stirred together, until the mixture uniformity is more than 92%；
(3) uniformly mixed material is sent into be melted in kiln and obtains high-temperature glass liquid；Melted concrete operations are：By kiln Temperature rises rapidly to 800 DEG C, keeps 5h, forms borate；Then temperature is increased to 1200 DEG C, keeps 10h, form silicic acid Salt；Temperature is increased to 1500 DEG C again, 74h is kept, carries out clarification and homogenization at this temperature；It is finally cooled to 1300~1350 DEG C, obtain glass metal；
(4) through being flowed out in the platinum bushing plate through 800 holes, the temperature flowed out from platinum bushing plate is controlled 1320 glass metal ℃；
(5) it will be wrapped on headstock and diameter is made exists after surface of material made from step (4) coats one layer of macromolecule emulsion 9~24 μm of precursor；
(6) precursor for obtaining step (5) dries obtained glass using steam drying or micro-wave oven heating, drying mode Fibrous finished product；Drying temperature control is at 90 DEG C, drying time 16h.
Comparative example one
Standard using raw material gross weight as 100kg weighs raw material, and required each raw material usage is：Kaolin：10kg, In：SiO2>=44.0%, Al2O3>=37.5%, Fe2O3≤ 0.6%, H2O≤1%；Pyrophillite：45kg, wherein：SiO2≥ 72%, Al2O3>=16.5%, Fe2O3≤ 0.45%, H2O≤1%；Quick lime：20kg, wherein：CaO >=85%, Fe2O3≤ 0.15%, MgO≤3%, H2O≤1%；Dolomite：9.5kg, wherein CaO >=30%, Fe2O3≤ 0.15%, MgO≤21.0%, H2O≤1%；Colemanite：8kg, wherein CaO >=27.5%, Fe2O3≤ 0.10%, B2O3>=38.0%, SiO2≤ 6.5%, H2O≤1%；White afrodite：20kg, wherein SiO2>=80.0%, Al2O3>=10.0%, Fe2O3≤ 0.50%, H2O≤1%；Firefly Stone：3kg, wherein：CaF2>=90%, H2O≤1%；Albite：3.5kg, wherein：SiO2>=69.0%, Al2O3>=17.0%, Fe2O3≤ 0.35%, Na2O >=8.5%, H2O≤1%；Above-mentioned percentage is mass percent.
The component content of CaO in quick lime should be detected before weighing daily, according to its component content height adjustment lime dosage.
Production stage is：
(1) various raw materials are weighed by proportioning feeding；All raw materials were both needed to 200~325 mesh screens；
(2) start blender, after device to be mixed works well, fluorite and spodumene slag are pre-mixed, then with remaining Remaining raw material is sent into the mixture of airstream and strength stirring transmitter and is stirred together, until the mixture uniformity is more than 92%；
(3) uniformly mixed material is sent into be melted in kiln and obtains high-temperature glass liquid；Melted concrete operations are：By kiln Temperature rises rapidly to 900 DEG C, keeps 3h, forms borate；Then temperature is increased to 1400 DEG C, keeps 5h, form silicic acid Salt；Temperature is increased to 1600 DEG C again, 64h is kept, carries out clarification and homogenization at this temperature；It is finally cooled to 1300~1350 DEG C, obtain glass metal；
(4) through being flowed out in the platinum bushing plate through 4000 holes, the temperature flowed out from platinum bushing plate is controlled 1280 glass metal ℃；
(5) it will be wrapped on headstock and diameter is made exists after surface of material made from step (4) coats one layer of macromolecule emulsion 9~24 μm of precursor；
(6) precursor for obtaining step (5) dries obtained glass using steam drying or micro-wave oven heating, drying mode Fibrous finished product；Drying temperature control is at 150 DEG C, drying time 12h.
Comparative example two
Standard using raw material gross weight as 100kg weighs raw material, and required each raw material usage is：Kaolin：12kg, In：SiO2>=45%, Al2O3>=33%, Fe2O3≤ 0.9%, H2O≤1%；Pyrophillite：31kg, wherein：SiO2>=72%, Al2O3>=16.5%, Fe2O3≤ 0.50%, H2O≤1%；Quick lime：17kg, wherein：CaO >=88%, Fe2O3≤ 0.30%, MgO≤3%, H2O≤1%；Dolomite：6kg, wherein CaO >=30%, Fe2O3≤ 0.12%, MgO≤19.5%, H2O≤1%； Colemanite：6kg, wherein CaO >=28%, Fe2O3≤ 0.10%, SiO2≤ 6.5%, B2O3>=40%, H2O≤1%；White bubble Stone：25kg, wherein SiO2>=82%, Al2O3>=11%, Fe2O3≤ 0.50%, H2O≤1%；Fluorite：2kg, wherein：CaF2≥ 90%, H2O≤1%；Industrial spodumene slag 1kg, wherein SiO2>=55%, Al2O3>=21%, Fe2O3≤ 0.9%, SO3≥ 5.5, H2O≤1%；Above-mentioned percentage is mass percent.
The component content of CaO in quick lime should be detected before weighing daily, according to its component content height adjustment lime dosage.
Production stage is：
(1) various raw materials are weighed by proportioning feeding；All raw materials were both needed to 200~325 mesh screens；
(2) start blender, after device to be mixed works well, fluorite and spodumene slag are pre-mixed, then with remaining Remaining raw material is sent into the mixture of airstream and strength stirring transmitter and is stirred together, until the mixture uniformity is more than 92%；
(3) uniformly mixed material is sent into be melted in kiln and obtains high-temperature glass liquid；Melted concrete operations are：By kiln Temperature rises rapidly to 1600 DEG C, keeps 72h, obtains glass metal；
(4) through being flowed out in the platinum bushing plate through 4000 holes, the temperature flowed out from platinum bushing plate is controlled 1280 glass metal ℃；
(5) it will be wrapped on headstock and diameter is made exists after surface of material made from step (4) coats one layer of macromolecule emulsion 9~24 μm of precursor；
(6) precursor for obtaining step (5) dries obtained glass using steam drying or micro-wave oven heating, drying mode Fibrous finished product；Drying temperature control is at 150 DEG C, drying time 12h.
Interpretation of result
The ingredient of the glass fibre of above-mentioned experimental group production is detected, is as a result listed in table 1.
1 glass fiber component of table
SiO2 Al2O3 Fe2O3 CaO MgO Na2O K2O B2O3
Embodiment one 54.88% 14.4% 0.48% 23.8% 2.4% 0.21% 0.23% 3.6%
Embodiment two 55.21% 14.9% 0.45% 23.2% 2.1% 0.22% 0.22% 3.7%
Comparative example one 54.2% 14.3% 0.44% 23.4% 2.3% 0.4% 0.38% 3.4%
Comparative example two 54.07% 14.8% 0.47% 23.9% 2.5% 0.21% 0.25% 3.8%
From table 1 it follows that embodiment is compared with comparative example one, Na2O+K2The content of O reduces 43.59%, this is Because Na can be increased in melting process by the use of albite as fluxing fining agent in comparative example one2O+K2The content of O, and Na2O and K2O easily with water and carbon dioxide reaction, seriously affects product quality.Therefore, the glass fibre quality that the present invention is produced is more It is good.In addition, 180~250 yuan/ton of the albite market price, and slag largely can be obtained freely, therefore by the use of slag as fluxing Fining agent can not only save mass production cost, can also reduce slag pollution on the environment, economic benefit and society Benefit is preferable.
Embodiment and the various indexs of the glass fibre that comparative example produces are as shown in table 2.
2 glass fibre index of table
Solid content Precursor number (TEX) Precursor LOI% Dry sand moisture Fracture strength It is impregnated with (s)
Embodiment one 4.0~5.0 1990~2020 0.3~0.7 ≤0.3 ≥0.4 ≤42
Embodiment two 4.0~5.0 2000~2025 0.4~0.8 ≤0.3 ≥0.3 ≤39
Comparative example one 5.0~6.0 1980~2020 0.4~0.8 ≤0.3 ≥0.3 ≤40
Comparative example two 4.0~5.0 1980~2000 0.5~0.6 ≤0.3 ≥0.2 ≤49
By experiments have shown that, for embodiment compared with the glass fibre obtained by comparative example one, performance difference is little.The present invention Obtained product meets the technology requirement of alkali-free glass fibre, has good Social benefit and economic benefit.Comparative example two Compared with embodiment one, using disposable heating, obtained glass fibre reduced performance, this is because disposably when being melted Temperature is increased to higher temperature, different salt generations are uneven, affect the quality of tea product.
Although being described in detail to the specific embodiment of the present invention, the protection to this patent should not be construed as The restriction of range.In the described range of claims, those skilled in the art can make without creative work Various modifications and deformation still belong to the protection domain of this patent.

Claims (5)

1. a kind of method that spodumene slag makees fluxing fining agent production glass fibre, it is characterized in that, include the following steps：
(1) it weighs：A component is weighed by following parts by weight：Kaolin：100~120 parts, pyrophillite：150~410 parts, raw stone Ash：150~200 parts, dolomite：50~70 parts, colemanite：50~70 parts, white afrodite：130~310 parts, fluorite：20~30 Part, 10~30 parts of spodumene slag, the sum of each component parts by weight are 1000；Wherein：
The component of spodumene slag includes by percentage to the quality：SiO2>=55wt%, Al2O3>=21wt%, Fe2O3≤ 0.9wt%, SO3>=5.5wt%, H2O≤1wt%；
(2) dispensing：Fluorite and spodumene slag are pre-mixed, are then uniformly mixed with remaining component in step (1)；
(3) it is melted：Mixture obtained by step (2) is sent into kiln and is melted, obtains glass metal；
(4) access：It is flowed out in platinum bushing plate of the glass metal through 800~4000 holes after step (3) is melted, the glass metal after outflow Temperature is 1280~1320 DEG C；
(5) wire drawing：After surface of material made from step (4) coats one layer of macromolecule emulsion, it is wrapped on headstock and diameter is made In 9~24 μm of precursor；Precursor ingredient includes by percentage to the quality：SiO2：53~56wt%, Al2O3：13~15wt%, Fe2O3≤ 0.5wt%, CaO：23~24wt%, MgO：2~2.5wt%, Na2O+K2O：≤ 0.5wt%, B2O3：3~4wt%；
(6) it dries：After carrying out 12~16h of drying to the precursor obtained by step (5) under the conditions of 90~150 DEG C, finished silk is obtained.
2. the method that spodumene slag according to claim 1 makees fluxing fining agent production glass fibre, it is characterized in that： During weighing, each component matches by weight is：Kaolin：120 parts, pyrophillite：310 parts, quick lime：170 parts, dolomite： 60 parts, colemanite：60 parts, white afrodite：250 parts, fluorite：20 parts, 10 parts of spodumene slag.
3. the method that spodumene slag according to claim 1 makees fluxing fining agent production glass fibre, it is characterized in that, Melting method is in step (3)：Kiln temperature is risen rapidly to 800~900 DEG C first, keeps 3~5h；Then by temperature liter Height keeps 5~10h to 1200~1400 DEG C；Temperature is increased to 1500~1600 DEG C again, keeps 64~74h, at this temperature Carry out clarification and homogenization；1300~1350 DEG C are finally cooled to, obtains glass metal.
4. the method that spodumene slag according to claim 1 makees fluxing fining agent production glass fibre, it is characterized in that： Macromolecule emulsion described in step (5) is epoxy resin latex, polyaminoester emulsion or PVC lotions.
5. the method that spodumene slag according to claim 1 makees fluxing fining agent production glass fibre, it is characterized in that： Drying mode is steam drying or microwave drying in step (6).
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