CN103319099B - White afrodite is utilized to produce the method for glass fibre - Google Patents
White afrodite is utilized to produce the method for glass fibre Download PDFInfo
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- CN103319099B CN103319099B CN201310304974.4A CN201310304974A CN103319099B CN 103319099 B CN103319099 B CN 103319099B CN 201310304974 A CN201310304974 A CN 201310304974A CN 103319099 B CN103319099 B CN 103319099B
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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
- C03C1/02—Pretreated ingredients
- C03C1/022—Purification of silica sand or other minerals
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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
- C03C13/06—Mineral fibres, e.g. slag wool, mineral wool, rock wool
Abstract
The invention discloses and utilize white afrodite to produce the method for glass fibre, it comprises the following steps: S1, weigh stand-by by following raw material respectively by following weight parts: the white afrodite of 25 ~ 60 parts, the agalmatolite of 5 ~ 50 parts or bauxitic clay, the unslaked lime of 3 ~ 18 parts or the Wingdale of 4 ~ 35 parts, the rhombspar of 0 ~ 15 part, the borocalcite of 0 ~ 17 part and add up to fluorite and the finings of 1 ~ 5 part; S2, by raw material grinding powdered; S3, mixing; S4, to found; S5, enter operation access, and flow out; S6, make precursor; S7, dry to obtain glass fibre.The invention has the beneficial effects as follows: reduce and even eliminate dependence to agalmatolite, greatly reduce raw materials cost, stable processing technique, reduce environmental pollution and Occupational health risk; In addition, do not need to add the high quartz of a large amount of purity, easily, kiln batching difficulty is low in mixing; There is save energy and market competitiveness high.
Description
Technical field
The present invention relates to glass fibre manufacturing technology field, particularly utilize white afrodite to produce the method for glass fibre.
Background technology
Glass fibre is a kind of ceramic of excellent performance, and composition is silicon-dioxide, aluminum oxide, calcium oxide, boron oxide, magnesium oxide, sodium oxide etc.The basis of glass fiber component is SiO
2: 62%, Al2O3:14.7%, CaO:22.3% three-part system, on this basis, adds B
2o
3replace part SiO
2, add MgO and replace part CaO, form now general glass fibre composition.The glass fiber component of existing production is substantially similar, only slightly different in little scope.Variation range is roughly SiO
2: 53% ~ 65%; CaO:16% ~ 25%; Al
2o
3: 10% ~ 17%; MgO:0 ~ 8%.The characteristics such as glass fibre has insulativity, thermotolerance, erosion resistance are good, and physical strength is high, are mainly used as the raw material etc. of insulating material and glass reinforced plastic.
The main raw material producing glass fibre is: pyrophyllite, quartz sand and Wingdale, rhombspar, boric acid, soda ash, saltcake, fluorite etc.In general admixtion, the proportioning of each raw material is: silica powder: 10-15%, agalmatolite: 50-60%, introduces calcium, magnesium and other auxiliary agent class raw material: 20-30%.Glass fibre, by composition, character and purposes, is divided into E glass fibre, S glass fibre, C glass fibre and A glass fibre.Chinese patent application (publication number: CN1486949A) relates to the production method of ore powder for raw material production medium-alkali glass fibre, the method with ore powder work stone lime stone, quartz sand, albite, rhombspar, soda ash and finings, fusing assistant for raw material, in certainweight ratio weighing, mix after, put in tank furnace melting end and be fused into glass metal, then flow into tank furnace channel, then produce medium-alkali glass fibre for wire-drawing frame.Zhang Yaoming is at Chemical Industry Press " glass fibre and mineral wool pandect ", and the 64th page, second section, chapter 3, is reported in E glass fibre, SiO in quartz by second section in 2001
2han Liang≤98%, Fe
2o
3≤ 0.2.Granularity 200 order is full by, 325 mesh sieve margin <1%.Adopt aforesaid method to produce glass fibre and just need a large amount of silica powder, and very high to quartzy purity requirement, quartzy purity is higher, and crystalline polamer is heavier, and fusing point is higher, also higher to the temperature requirement of kiln.Pure quartzy Mohs' hardness is 7.0, grinding is to so thin granularity, comparatively galling is brought to milling equipment, consume mass energy, for the iron pollution avoiding equipment attrition to bring, many employing corundum liner plates and corundum ball medium at present, considerably increase grinding cost, highly purified quartz not only brings difficulty to grinding, the precision of prepare burden to kiln and mixing uniformity require also higher, weigh a small amount of deviation, carry out larger change all may to the silicon ribbon in whole admixtion, work as undercompounding especially, directly cause the unhomogeneity of glass metal, there is wire drawing broken end or plethora, reduce the intensity of glass fibre.In addition because silica powder purity is higher, granularity is comparatively thin, floats aloft in a large number, and be easy to be sucked in lung by human body, not easily discharge, long term accumulation likely can cause silicosis, serious harm HUMAN HEALTH.Along with the mankind constantly pay attention to non-metallic minerals processing and utilization, non-metallic minerals Application Areas is more and more extensive, and nonmetallic minerals is Nonrenewable resources, the increase of consumption, the minimizing of resource, causes the rise of price, add production cost, largely reducing the competitive power of enterprise to market.
Current fiberglass raw materials for production comprise the agalmatolite and a small amount of Wingdale, quartz, rhombspar and finings, fusing assistant, air bubble agent etc. that account for important proportion.Zhang Yaoming is at Chemical Industry Press " glass fibre and mineral wool pandect ", and 56th ~ 57 pages, first segment, chapter 3, second section, be reported in E glass fibre in 2001, agalmatolite accounts for more than 50% of batching, chemical constitution to the requirement of agalmatolite is: Al
2o
3: (20 ~ 23) ± 0.5%; Fe
2o
3<0.4%; R
2o<0.5%; TiO
2<0.8%; SO
3<0.5%.The people such as Chen Xiongzhu, at Chinese non-metallic mineral industry guide, the 4th phase, calendar year 2001, report in " the pond pyrophyllite homogenized micro mist of cellar for storing things glass is processed ": the requirement of agalmatolite quality and technical index is: Al
2o
3: (20 ~ 21.5) ± 0.4%; Fe
2o
3<0.5%; R
2o<0.6%; TiO
2<0.7%; SO
3<0.4%.And Al in agalmatolite
2o
3theoretical value be 28.3%.Present natural raw ore is difficult to reach so high requirement, particularly China's initial stage to agalmatolite exploit unreasonable, and China's agalmatolite lean ore is many, rich ore is few, ore grade fluctuation is larger, current agalmatolite ore resource is seriously in short supply, cause glass fibre raw materials cost sharply to rise, have a strong impact on the development of whole glass fibre industry.
In glass fibre is produced, mostly producer adopts agalmatolite matter, dickite matter, kaolin matter, and even bauxitic clay carries out collocation use and reaches introducing Al
2o
3object, but simultaneously due to above-mentioned collocation raw material because the variation of mineral composition causes the performance of raw material, the fluctuation of composition, thus affect the quality of glass metal, negative impact brought to the production of glass fibre.
How breaking away from the dependence of agalmatolite is the most urgent problem of current glass fibre production technique.Agalmatolite reserves reduce gradually, quality reduces.
The main place of production of domestic agalmatolite concentrates on Zhejiang of the central and east, Anhui, Fujian, the ground such as Jiangxi and northern Inner Mongol, need long-distance transport to Sichuan, in recent years the rising of logistics cost causes the high of agalmatolite cost of material, brings huge cost pressure to enterprise.Use agalmatolite to need to add silica powder and supplement SiO
2deficiency, the exploitation of silica powder and processing can cause larger injury to environmental and human health impacts; Silica powder monomer melting temperature is: 1750 DEG C ~ 1850 DEG C, energy consumption is higher.
White afrodite is a kind of natural siliceous refractory [material, is commonly used at the bottom of kiln pond, pool wall, breastwork.Existing part pottery also does blank stock with it.White afrodite is by kaolinite and quartz sand is cementing forms, and southwest reserves are very abundant, estimates the more than one hundred million ton of total reserves.White afrodite, in the past always as the refractory materials of low side kiln, utilizes white afrodite to produce in glass fibre data document disclosed at present and there is no detailed record.
Summary of the invention
The object of the invention is to the shortcoming overcoming prior art, a kind of cost that economizes in raw materials be provided, avoid environmental pollution and be detrimental to health, the white afrodite that utilizes that energy consumption reduces successful produces the method for glass fibre.
Object of the present invention is achieved through the following technical solutions: utilize white afrodite to produce the method for glass fibre, it comprises the following steps:
S1, following raw material is weighed stand-by by following weight parts respectively: weight part to be white afrodite, the weight part of 25 ~ 60 parts the be agalmatolite of 5 ~ 50 parts or bauxitic clay, weight part to be the unslaked lime of 3 ~ 18 parts or weight part be Wingdale, the weight part of 4 ~ 35 parts be rhombspar, the weight part of 0 ~ 15 part be 0 ~ 17 part borocalcite and add up to weight part to be fluorite and the finings of 1 ~ 5 part, the weight ratio of fluorite, finings can be arbitrary value;
S2, particle diameter is become to be 40 ~ 400 object powder the above-mentioned raw material grinding taken;
S3, by obtain powder mixing 100 ~ 300 seconds, make uniformity coefficient be more than or equal to 95%;
S4, sent in kiln to found by the material mixed and obtain high temp glass liquid, glass melting temperature controls at 1540 DEG C ~ 1600 DEG C; Melting time is 48h ~ 72h;
S5, by the high temp glass liquid obtained through clarification, enter operation access after homogenizing, and flow out in the platinum plate in 800 ~ 4000 holes, the temperature flowed out from platinum bushing plate controls at 2080 ~ 1320 DEG C;
After S6, material surface-coated one deck macromolecule emulsion of obtaining in step S5, be wrapped in and headstock make diameter at the precursor of 9 ~ 24 μm, Ingredient percent is: SiO
2: 53.6 ~ 60%, Al
2o
3: 12.5 ~ 14.8, Fe
2o
3:≤0.48%, CaO:16.6 ~ 23.5%, MgO:0.8 ~ 4.6%, K
2o+Na
2o :≤0.8%, B
2o
3: 0 ~ 8.8%;
S7, the precursor obtained by step S6 adopt drying with steam or microwave-oven-heating drying mode to dry obtained alkali free glass fibre; Bake out temperature controls at 90 ~ 150 DEG C, and drying time is 12 ~ 16h.
Containing SiO in described white afrodite
2: 75 ~ 85%; Al
2o
3: 7 ~ 15%; Fe
2o
3<1%; R
2o<1.0%, described R
2o comprises K
2o and Na
2o.
The weight of the agalmatolite raw material taken in described step S1 is less than or equal to 50% of the whole raw material weights taken.
Described step S2 together carries out grinding after maybe being mixed by the raw material taken by each raw material separate grinding taken.
Grinding mode in described step S2 is ball milling, Raymond mill or vertical mill.
The present invention has the following advantages:
The present invention is directed to the defect that prior art exists; a kind of main raw material(s) is provided to substitute; be beneficial to reserved resource and be beneficial to glass fibre Sustainable development in raw material, and propose the utilization of the white afrodite made moderate progress at the process aspect of glass fibre producing shaped.
White afrodite is at southwest rich content and quality is better, solves raw material localization problem; The special glass fibre enterprise in western part uses white afrodite to substitute agalmatolite, and can economize in raw materials cost 10% ~ 40%, has very large economic outlook, also promotes the development of local economy simultaneously.White afrodite, from the refractory materials that originally can only do low side, to the raw material as emerging matrix material, substantially increases its economic value added.
White afrodite contains the SiO of more than 80%
2, the Al of about 11%
2o
3its ore deposit phase composite is mutually more complicated than simple quartz, its ore deposit phase composite is more conducive to the formation of glass than simple silica powder, white afrodite monomer melting temperature is 1650 DEG C ~ 1750 DEG C, monomer melting temperature more than one hundred degree lower than the independent temperature of fusion of quartzy sand facies, solve glass without the higher problem of alkali fiber energy consumption, reduce the discharge of carbon and sulfurous gas; In glass fibre is produced, in admixtion, introduce white afrodite can the introducing of agalmatolite in all or part of alternative admixtion, can eliminate agalmatolite exhaustion, quality declines the impact brought, be conducive to glass fiber industry and continuously and effectively develop for a long time; No longer introduce quartz sand and carry out supplementary SiO
2deficiency, the silica powder in admixtion can be removed, avoid the exploitation of silica powder and processing environmental pollution and HUMAN HEALTH cause serious injury.White afrodite is very stable in performance, chemical composition, all or vast scale white afrodite substitute agalmatolite use, eliminate quartz sand introducing after, the quality of admixtion is greatly improved, thus is that the glass metal obtaining good quality provides precondition.
According to up-to-date experimental result, coordinate with other raw materials, every 4000 tons of white afrodites can produce 10000 tons of alkali-free E glass.By the cost ratio white afrodite of western agalmatolite expensive more than one times, direct economic benefit can reach 800,000/ten thousand tons, reduces the consumption 3000 tons/ten thousand tons of quartz sand or silica powder simultaneously
Use white afrodite can reduce the kind of admixtion Raw, make the homogeneity of admixtion better, batch uniformity at least improves 3%, is increased to more than 98% by original 95%, glass also quality be improved significantly, Homes Using TV 0.5 ~ 2 percentage point can be improved.After eliminating the introducing of quartz sand, the glass melting temperature of admixtion reduces, and the glass melting temperature according to introducing white afrodite ratio glass can reduce by 20 ~ 60 DEG C, and energy consumption reduces successful.
According to up-to-date experimental result, coordinate with other raw materials, every 4000 tons of white afrodites can produce 10000 tons of alkali-free E glass.By the cost ratio white afrodite of western agalmatolite expensive more than one times, direct economic benefit can reach 800,000/ten thousand tons, reduces the consumption 3000 tons/ten thousand tons of quartz sand or silica powder simultaneously.
In sum, the present invention has and can make full use of the natural resources in glass fibre is produced, and reduces even to eliminate dependence to agalmatolite, greatly reduce raw materials cost, stable processing technique, reduces the advantage such as environmental pollution and Occupational health risk.In addition, do not need to add the high quartz of a large amount of purity in wire drawing kiln, easily, kiln batching difficulty is low in mixing.Environmental pollution is lighter; There is save energy and market competitiveness high, use white afrodite to be conducive to glass fibre Sustainable development in raw material.
Embodiment
Below in conjunction with embodiment, the present invention will be further described, and protection scope of the present invention is not limited to the following stated:
embodiment 1:
White afrodite is utilized to produce the method for glass fibre, it comprises the following steps: S1, weigh stand-by by following raw material respectively by following weight parts: the rhombspar that the Wingdale that the agalmatolite that the white afrodite that weight part is 25 parts, weight part are 35 parts, weight part are 5.5 parts, weight part are 15 parts, weight part are the borocalcite of 16.5 parts and add up to weight part to be fluorite and the finings of 3.5 parts, and wherein fluorite is 1.5 weight parts, finings be oxide fining agent is 2 weight parts; And do not add silica powder;
S2, particle diameter is become to be 40 object powder the above-mentioned raw material grinding taken;
S3, the powder obtained is mixed 100 seconds, make uniformity coefficient be more than or equal to 95%;
S4, sent in kiln to found by the material mixed and obtain high temp glass liquid, glass melting temperature controls at 1600 DEG C; Melting time is 52h;
S5, by the high temp glass liquid obtained through clarification, enter operation access after homogenizing, and flow out in the platinum plate in 800 ~ 4000 holes, the temperature flowed out from platinum bushing plate controls at 2080 ~ 1320 DEG C;
After S6, material surface-coated one deck macromolecule emulsion of obtaining in step S5, be wrapped in and headstock make diameter at the precursor of 9 ~ 24 μm, Ingredient percent is: SiO
2: 53.6 ~ 60%, Al
2o
3: 12.5 ~ 14.8, Fe
2o
3:≤0.48%, CaO:16.6 ~ 23.5%, MgO:0.8 ~ 4.6%, K
2o+Na
2o :≤0.8%, B
2o
3: 0 ~ 8.8%;
S7, the precursor obtained by step S6 adopt drying with steam or microwave-oven-heating drying mode to dry obtained alkali free glass fibre; Bake out temperature controls at 150 DEG C, and drying time is 12h;
Containing SiO in described white afrodite
2: 75 ~ 85%; Al
2o
3: 7 ~ 15%; Fe
2o
3<1%; R
2o<1.0%, described R
2o comprises K
2o and Na
2o.
Step S2 together carries out grinding after maybe being mixed by the raw material taken by each raw material separate grinding taken.
Grinding mode in step S2 is ball milling, Raymond mill or vertical mill.
embodiment 2:
White afrodite is utilized to produce the method for glass fibre, it comprises the following steps: S1, weigh stand-by by following raw material respectively by following weight parts: the rhombspar that the Wingdale that the bauxitic clay that the white afrodite that weight part is 50 parts, weight part are 9 parts, weight part are 4 parts, weight part are 15 parts, weight part are the borocalcite of 17 parts and add up to weight part to be fluorite and the finings of 4 parts, and wherein fluorite is 2.5 weight parts, finings is 1.5 weight parts; Finings is sulfuric acid type finings; And do not add silica powder;
S2, particle diameter is become to be 200 object powder the above-mentioned raw material grinding taken;
S3, the powder obtained is mixed 200 seconds, make uniformity coefficient be more than or equal to 95%;
S4, sent in kiln to found by the material mixed and obtain high temp glass liquid, glass melting temperature controls at 1570 DEG C; Melting time is 48h;
S5, by the high temp glass liquid obtained through clarification, enter operation access after homogenizing, and flow out in the platinum plate in 800 ~ 4000 holes, the temperature flowed out from platinum bushing plate controls at 2080 ~ 1320 DEG C;
After S6, material surface-coated one deck macromolecule emulsion of obtaining in step S5, be wrapped in and headstock make diameter at the precursor of 9 ~ 24 μm, Ingredient percent is: SiO
2: 53.6 ~ 60%, Al
2o
3: 12.5 ~ 14.8, Fe
2o
3:≤0.48%, CaO:16.6 ~ 23.5%, MgO:0.8 ~ 4.6%, K
2o+Na
2o :≤0.8%, B
2o
3: 0 ~ 8.8%;
S7, the precursor obtained by step S6 adopt drying with steam or microwave-oven-heating drying mode to dry obtained alkali free glass fibre; Bake out temperature controls at 100 DEG C, and drying time is 14h;
Containing SiO in described white afrodite
2: 75 ~ 85%; Al
2o
3: 7 ~ 15%; Fe
2o
3<1%; R
2o<1.0%, described R
2o comprises K
2o and Na
2o.
Step S2 together carries out grinding after maybe being mixed by the raw material taken by each raw material separate grinding taken.
Grinding mode in step S2 is ball milling, Raymond mill or vertical mill.
embodiment 3:
White afrodite is utilized to produce the method for glass fibre, it comprises the following steps: S1, weigh stand-by by following raw material respectively by following weight parts: the agalmatolite that the white afrodite that weight part is 28.5 parts, weight part are 34.3 parts, weight part to be Wingdale, the weight part of 23.5 parts be 10.3 parts rhombspar and add up to weight part to be fluorite and the finings of 3.4 parts, wherein fluorite is 1..9 weight part, finings is 1.5 weight parts; Finings is halogenide finings; And do not add silica powder;
S2, particle diameter is become to be 400 object powder the above-mentioned raw material grinding taken;
S3, the powder obtained is mixed 300 seconds, make uniformity coefficient be more than or equal to 95%;
S4, sent in kiln to found by the material mixed and obtain high temp glass liquid, glass melting temperature controls at 1600 DEG C; Melting time is 72h;
S5, by the high temp glass liquid obtained through clarification, enter operation access after homogenizing, and flow out in the platinum plate in 800 ~ 4000 holes, the temperature flowed out from platinum bushing plate controls at 2080 ~ 1320 DEG C;
After S6, material surface-coated one deck macromolecule emulsion of obtaining in step S5, be wrapped in and headstock make diameter at the precursor of 9 ~ 24 μm, Ingredient percent is: SiO
2: 53.6 ~ 60%, Al
2o
3: 12.5 ~ 14.8, Fe
2o
3:≤0.48%, CaO:16.6 ~ 23.5%, MgO:0.8 ~ 4.6%, K
2o+Na
2o :≤0.8%, B
2o
3: 0 ~ 8.8%;
S7, the precursor obtained by step S6 adopt drying with steam or microwave-oven-heating drying mode to dry obtained alkali free glass fibre; Bake out temperature controls at 90 DEG C, and drying time is 16h;
Containing SiO in described white afrodite
2: 75 ~ 85%; Al
2o
3: 7 ~ 15%; Fe
2o
3<1%; R
2o<1.0%, described R
2o comprises K
2o and Na
2o.
Step S2 together carries out grinding after maybe being mixed by the raw material taken by each raw material separate grinding taken.
Grinding mode in step S2 is ball milling, Raymond mill or vertical mill.
embodiment 4:
White afrodite is utilized to produce the method for glass fibre, it comprises the following steps: S1, weigh stand-by by following raw material respectively by following weight parts: the bauxitic clay that the white afrodite that weight part is 56 parts, weight part are 6.2 parts, weight part to be Wingdale, the weight part of 23.7 parts be 10.3 parts rhombspar and add up to weight part to be fluorite and the finings of 3.8 parts, wherein fluorite is 1.5 weight parts, finings is 1.3 weight parts; Finings is compound clarifier; And do not add silica powder;
S2, particle diameter is become to be 300 object powder the above-mentioned raw material grinding taken;
S3, the powder obtained is mixed 200 seconds, make uniformity coefficient be more than or equal to 95%;
S4, sent in kiln to found by the material mixed and obtain high temp glass liquid, glass melting temperature controls at 1540 DEG C; Melting time is 48h;
S5, by the high temp glass liquid obtained through clarification, enter operation access after homogenizing, and flow out in the platinum plate in 800 ~ 4000 holes, the temperature flowed out from platinum bushing plate controls at 2080 ~ 1320 DEG C;
After S6, material surface-coated one deck macromolecule emulsion of obtaining in step S5, be wrapped in and headstock make diameter at the precursor of 9 ~ 24 μm, Ingredient percent is: SiO
2: 53.6 ~ 60%, Al
2o
3: 12.5 ~ 14.8, Fe
2o
3:≤0.48%, CaO:16.6 ~ 23.5%, MgO:0.8 ~ 4.6%, K
2o+Na
2o :≤0.8%, B
2o
3: 0 ~ 8.8%;
S7, the precursor obtained by step S6 adopt drying with steam or microwave-oven-heating drying mode to dry obtained alkali free glass fibre; Bake out temperature controls at 150 DEG C, and drying time is 12h;
Containing SiO in described white afrodite
2: 75 ~ 85%; Al
2o
3: 7 ~ 15%; Fe
2o
3<1%; R
2o<1.0%, described R
2o comprises K
2o and Na
2o.
Step S2 together carries out grinding after maybe being mixed by the raw material taken by each raw material separate grinding taken.
Grinding mode in step S2 is ball milling, Raymond mill or vertical mill.
embodiment 5:
White afrodite is utilized to produce the method for glass fibre, it comprises the following steps: S1, weigh stand-by by following raw material respectively by following weight parts: the agalmatolite that the white afrodite that weight part is 60 parts, weight part are 50 parts, weight part to be unslaked lime, the weight part of 15 parts be 17 parts borocalcite and add up to weight part to be fluorite and the finings of 5 parts, wherein fluorite is 2.5 weight part finingss is 2.5 weight parts; Finings is halogenide finings; And do not add silica powder;
S2, particle diameter is become to be 400 object powder the above-mentioned raw material grinding taken;
S3, the powder obtained is mixed 300 seconds, make uniformity coefficient be more than or equal to 95%;
S4, sent in kiln to found by the material mixed and obtain high temp glass liquid, glass melting temperature controls at 1540 DEG C; Melting time is 48h;
S5, by the high temp glass liquid obtained through clarification, enter operation access after homogenizing, and flow out in the platinum plate in 800 ~ 4000 holes, the temperature flowed out from platinum bushing plate controls at 2080 ~ 1320 DEG C;
After S6, material surface-coated one deck macromolecule emulsion of obtaining in step S5, be wrapped in and headstock make diameter at the precursor of 9 ~ 24 μm, Ingredient percent is: SiO
2: 53.6 ~ 60%, Al
2o
3: 12.5 ~ 14.8, Fe
2o
3:≤0.48%, CaO:16.6 ~ 23.5%, MgO:0.8 ~ 4.6%, K
2o+Na
2o :≤0.8%, B
2o
3: 0 ~ 8.8%;
S7, the precursor obtained by step S6 adopt drying with steam or microwave-oven-heating drying mode to dry obtained alkali free glass fibre; Bake out temperature controls at 90 ~ 150 DEG C, and drying time is 12h;
Containing SiO in described white afrodite
2: 75 ~ 85%; Al
2o
3: 7 ~ 15%; Fe
2o
3<1%; R
2o<1.0%, described R
2o comprises K
2o and Na
2o.
Step S2 together carries out grinding after maybe being mixed by the raw material taken by each raw material separate grinding taken.
Grinding mode in step S2 is ball milling, Raymond mill or vertical mill.
embodiment 6:
White afrodite is utilized to produce the method for glass fibre, it comprises the following steps: S1, weigh stand-by by following raw material respectively by following weight parts: the rhombspar that the unslaked lime that the bauxitic clay that the white afrodite that weight part is 50 parts, weight part are 13 parts, weight part are 18 parts, weight part are 8 parts, weight part are the borocalcite of 8 parts and add up to weight part to be fluorite and the finings of 3 parts, and wherein fluorite is 1.5 weight parts, finings is 1.5 weight parts; Finings is halogenide finings; And do not add silica powder;
S2, particle diameter is become to be 400 object powder the above-mentioned raw material grinding taken;
S3, the powder obtained is mixed 300 seconds, make uniformity coefficient be more than or equal to 95%;
S4, sent in kiln to found by the material mixed and obtain high temp glass liquid, glass melting temperature controls at 1540 DEG C; Melting time is 48h;
S5, by the high temp glass liquid obtained through clarification, enter operation access after homogenizing, and flow out in the platinum plate in 800 ~ 4000 holes, the temperature flowed out from platinum bushing plate controls at 2080 ~ 1320 DEG C;
After S6, material surface-coated one deck macromolecule emulsion of obtaining in step S5, be wrapped in and headstock make diameter at the precursor of 9 ~ 24 μm, Ingredient percent is: SiO
2: 53.6 ~ 60%, Al
2o
3: 12.5 ~ 14.8, Fe
2o
3:≤0.48%, CaO:16.6 ~ 23.5%, MgO:0.8 ~ 4.6%, K
2o+Na
2o :≤0.8%, B
2o
3: 0 ~ 8.8%;
S7, the precursor obtained by step S6 adopt drying with steam or microwave-oven-heating drying mode to dry obtained alkali free glass fibre; Bake out temperature controls at 120 DEG C, and drying time is 14h;
Containing SiO in described white afrodite
2: 75 ~ 85%; Al
2o
3: 7 ~ 15%; Fe
2o
3<1%; R
2o<1.0%, described R
2o comprises K
2o and Na
2o.
Step S2 together carries out grinding after maybe being mixed by the raw material taken by each raw material separate grinding taken.
Grinding mode in step S2 is ball milling, Raymond mill or vertical mill.
embodiment 7:
White afrodite is utilized to produce the method for glass fibre, it comprises the following steps: S1, weigh stand-by by following raw material respectively by following weight parts: the rhombspar that the unslaked lime that the agalmatolite that the white afrodite that weight part is 30 parts, weight part are 5 parts, weight part are 3 parts, weight part are 15 parts, weight part are the borocalcite of 17 parts and add up to weight part to be fluorite and the finings of 1 part, and wherein fluorite is 0.3 weight part, finings is 0.7 weight part; Finings is halogenide finings; And do not add silica powder;
S2, particle diameter is become to be 300 object powder the above-mentioned raw material grinding taken;
S3, the powder obtained is mixed 200 seconds, make uniformity coefficient be more than or equal to 95%;
S4, sent in kiln to found by the material mixed and obtain high temp glass liquid, glass melting temperature controls at 1580 DEG C; Melting time is 50h;
S5, by the high temp glass liquid obtained through clarification, enter operation access after homogenizing, and flow out in the platinum plate in 800 ~ 4000 holes, the temperature flowed out from platinum bushing plate controls at 2080 ~ 1320 DEG C;
After S6, material surface-coated one deck macromolecule emulsion of obtaining in step S5, be wrapped in and headstock make diameter at the precursor of 9 ~ 24 μm, Ingredient percent is: SiO
2: 53.6 ~ 60%, Al
2o
3: 12.5 ~ 14.8, Fe
2o
3:≤0.48%, CaO:16.6 ~ 23.5%, MgO:0.8 ~ 4.6%, K
2o+Na
2o :≤0.8%, B
2o
3: 0 ~ 8.8%;
S7, the precursor obtained by step S6 adopt drying with steam or microwave-oven-heating drying mode to dry obtained alkali free glass fibre; Bake out temperature controls at 90 DEG C, and drying time is 16h;
Containing SiO in described white afrodite
2: 75 ~ 85%; Al
2o
3: 7 ~ 15%; Fe
2o
3<1%; R
2o<1.0%, described R
2o comprises K
2o and Na
2o.
Step S2 together carries out grinding after maybe being mixed by the raw material taken by each raw material separate grinding taken.
Grinding mode in step S2 is ball milling, Raymond mill or vertical mill.
embodiment 8:
White afrodite is utilized to produce the method for glass fibre, it comprises the following steps: S1, weigh stand-by by following raw material respectively by following weight parts: the rhombspar that the Wingdale that the bauxitic clay that the white afrodite that weight part is 40 parts, weight part are 20 parts, weight part are 35 parts, weight part are 8 parts, weight part are the borocalcite of 8 parts and add up to weight part to be fluorite and the finings of 3 parts, and wherein fluorite is 1.7 weight parts, finings is 1.3 weight parts; Finings is halogenide finings; And do not add silica powder;
S2, particle diameter is become to be 100 object powder the above-mentioned raw material grinding taken;
S3, the powder obtained is mixed 150 seconds, make uniformity coefficient be more than or equal to 95%;
S4, sent in kiln to found by the material mixed and obtain high temp glass liquid, glass melting temperature controls at 1570 DEG C; Melting time is 52h;
S5, by the high temp glass liquid obtained through clarification, enter operation access after homogenizing, and flow out in the platinum plate in 800 ~ 4000 holes, the temperature flowed out from platinum bushing plate controls at 2080 ~ 1320 DEG C;
After S6, material surface-coated one deck macromolecule emulsion of obtaining in step S5, be wrapped in and headstock make diameter at the precursor of 9 ~ 24 μm, Ingredient percent is: SiO
2: 53.6 ~ 60%, Al
2o
3: 12.5 ~ 14.8, Fe
2o
3:≤0.48%, CaO:16.6 ~ 23.5%, MgO:0.8 ~ 4.6%, K
2o+Na
2o :≤0.8%, B
2o
3: 0 ~ 8.8%;
S7, the precursor obtained by step S6 adopt drying with steam or microwave-oven-heating drying mode to dry obtained alkali free glass fibre; Bake out temperature controls at 130 DEG C, and drying time is 12h;
Containing SiO in described white afrodite
2: 75 ~ 85%; Al
2o
3: 7 ~ 15%; Fe
2o
3<1%; R
2o<1.0%, described R
2o comprises K
2o and Na
2o.
Step S2 together carries out grinding after maybe being mixed by the raw material taken by each raw material separate grinding taken.
Grinding mode in step S2 is ball milling, Raymond mill or vertical mill.
After above-described embodiment adopts white afrodite raw material, silica powder is substituted, the ratio of agalmatolite reduces by 16%, along with the increase of white afrodite head usage ratio, the quality of admixtion is evenly melt with being easy to, temperature of fusion is down to 1540 DEG C ~ 1600 DEG C from 1610 DEG C, and quality product increased than in the past, and the cost of admixtion reduces by 50 ~ 100 yuan/ton of glass metals.
From above-described embodiment, finding out that the composition due to glass basis is different, for making the balance of whole composition, reduce the usage quantity of agalmatolite at different ratios, but common place being exactly do not re-use quartz sand.When the ratio introducing white afrodite increases or all uses, its cost benefit is more considerable.And embodiment 2,4,6,8, the saving of glass metal per ton is roughly 150 ~ 200 yuan/ton of glass metals, and under current production situation, economic benefit is considerable.And admixtion improved performance and glass metal Quality advance, energy-conservation aspect effect than example 1,3,5,7, more outstanding, room temps can be reduced to 1540 ~ 1570 DEG C from 1630 DEG C, and Homes Using TV improves more than 2%.
Utilize that white afrodite is existing for main material production glass fibre can utilize founds kiln and forming technique, its main emphasis white afrodite selection, processing and coordinate with his raw material with it:
The selection of white afrodite: white afrodite is by kaolinite and quartz sand is cementing forms, and normal association feldspar, magnetite, so its composition transfer is larger.The white afrodite used requires: SiO
2: 75 ~ 85%; Al
2o
3: 7 ~ 15%; Fe
2o
3: less than 1%; K
2o+Na
2below O:1%; Granularity can be any granularity, finally can process and reach production requirement 20 ~ 450 m.To the selection major control iron of white afrodite and the content of basic metal index, glass fibre has strict requirement to this two indices.
As raw material, the processing mode of white afrodite can carry out selection as under type according to follow-up production technique: a: can process separately, and size controlling is between 80 ~ 400 orders, and maximum particle diameter is no more than 40 orders; B: can mix with quartz sand, agalmatolite, Wingdale, rhombspar and carry out grinding, needs to control particle diameter between 40-400 order according to different technology controlling and process; C: grinding mode can take ball milling, Raymond mill, vertical mill, grinding process is noted the control of particle diameter and can not be introduced the foreign material such as iron.
With coordinating of other raw materials: the admixtion producing glass fibre coordinates form by introducing the multiple Inorganic nonmetal mineral powder needing composition and the industrial chemicals clarifying fluxing action, utilizing white afrodite must first be processed into the powder roughly the same with other grain size of raw material as during main raw material, mixing time is between 100 seconds ~ 300 seconds; Automatic blending moisture controlled is below 1%, and artificial Charge Mixture Control is below 3%; The ratio of white afrodite accounts for 10 ~ 70% of admixtion, fully phases out the introducing of quartz sand or silica powder, can more than 20% or substitute the introducing of agalmatolite completely.
Claims (3)
1. utilize white afrodite to produce the method for glass fibre, it is characterized in that: it comprises the following steps:
S1, following raw material is weighed stand-by by following weight parts respectively: the bauxitic clay that the white afrodite that weight part is 56 parts, weight part are 6.2 parts, weight part to be Wingdale, the weight part of 23.7 parts be 10.3 parts rhombspar and add up to weight part to be fluorite, the finings of 3.8 parts, wherein the weight ratio of fluorite and finings can be arbitrary value, containing SiO in described white afrodite
2: 75 ~ 85%, Al
2o
3: 7 ~ 15%, Fe
2o
3<1%, R
2o<1.0%, described R
2o comprises K
2o and Na
2o, during batching, automatic blending moisture controlled, below 1%, is manually prepared burden below 3%;
S2, particle diameter is become to be 300 object powder the above-mentioned raw material grinding taken;
S3, the powder obtained is mixed 200 seconds, make uniformity coefficient be more than or equal to 95%;
S4, sent in kiln to found by the material mixed and obtain high temp glass liquid, glass melting temperature controls at 1540 DEG C; Melting time is 48h;
S5, by the high temp glass liquid obtained through clarification, enter operation access after homogenizing, and flow out in the platinum plate in 800 ~ 4000 holes, the temperature flowed out from platinum plate controls at 1320 DEG C;
After S6, material surface-coated one deck macromolecule emulsion of obtaining in step S5, be wrapped in and headstock make diameter at the precursor of 9 ~ 24 μm, Ingredient percent is: SiO
2: 53.6 ~ 60%, Al
2o
3: 12.5 ~ 14.8%, Fe
2o
3:≤0.48%, CaO:16.6 ~ 23.5%, MgO:0.8 ~ 4.6%, K
2o+Na
2o :≤0.8%, B
2o
3: 0 ~ 8.8%;
S7, the precursor obtained by step S6 adopt drying with steam or microwave-oven-heating drying mode to dry obtained alkali free glass fibre; Bake out temperature controls at 150 DEG C, and drying time is 12h.
2. the method utilizing white afrodite to produce glass fibre according to claim 1, is characterized in that: described step S2 together carries out grinding after maybe being mixed by the raw material taken by each raw material separate grinding taken.
3. the method utilizing white afrodite to produce glass fibre according to claim 1, is characterized in that: the grinding mode in described step S2 is ball milling, Raymond mill or vertical mill.
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