CN100569683C - Non-alkali glass and production technique thereof - Google Patents
Non-alkali glass and production technique thereof Download PDFInfo
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- CN100569683C CN100569683C CNB2007100697735A CN200710069773A CN100569683C CN 100569683 C CN100569683 C CN 100569683C CN B2007100697735 A CNB2007100697735 A CN B2007100697735A CN 200710069773 A CN200710069773 A CN 200710069773A CN 100569683 C CN100569683 C CN 100569683C
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Abstract
The present invention relates to a kind of non-alkali glass and production technique thereof that is used to produce the continuous glass fibre product.The production stage of this non-alkali glass comprises batching, fusing, fiberizing, wire drawing and goods processing, the raw materials for production of non-alkali glass comprise agalmatolite, quartz sand, calcined limestone, calcined dolomite, mold temperature is 1160 degree Celsius～1360 degree Celsius, viscosity is 1000 pools, liquidus temperature is lower than mold temperature Celsius 79,84,88,93,94 or 95 degree, the per-cent that each composition of product accounts for the product gross weight is respectively: silicon-dioxide 58～62%, calcium oxide 20～24%, aluminium sesquioxide 12～14%, magnesium oxide 2～4%, fluorine 0.05～0.6%, potassium oxide and sodium oxide amount to 0.73～2%, titanium oxide 2%, ferric oxide 0.55～0.6%, sulphur trioxide 0.03～0.6%, and the trace impurity that is not more than product gross weight 1%.The present invention is by adjusting the kind and the proportioning thereof of frit, removes in the E glass production raw material boride raw materials such as fluoride raw material such as employed fluorite and borocalcite, thus the generation of control exhaust emission on the source.
Description
Technical field:
The present invention relates to a kind of non-alkali glass and production technique thereof that is used to produce the continuous glass fibre product, belong to field of inorganic nonmetallic material.
Background technology:
The glass composition commonly used that is used to produce continuous glass fibre is a non-alkali glass, and this is the most general glass of producing electronic-grade and reinforcing glass fiber.The major advantage of non-alkali glass is to adopt fluorochemical and boride as fusing assistant, fusing and clarification under relatively low temperature.But boron and fluorine are volatile compositions in the glass melting process, are the main parts of volatile matter in the glass melting operation, form relatively large exhaust emission.Need to build high efficiency exhaust-gas treatment facilities for this reason, guarantee that institute's exhaust gas discharged reaches the environmental protection requirement of national regulation, thereby increased production cost, and cause the secondary pollution of solid waste easily.
Summary of the invention:
For realizing cleaner production protection environment; the present invention is by adjusting the kind and the proportioning thereof of frit; remove in the non-alkali glass raw materials for production fluoride raw materials such as employed fluorite, and boride raw material such as borocalcite, thereby the generation of control exhaust emission on the source.
Main production raw material of the present invention adopts quartz sand, rhombspar or light dolomite or calcined dolomite, agalmatolite or kaolin, Wingdale or calcined limestone, production stage comprises batching, fusing, fiberizing, wire drawing and goods processing, and non-alkali glass product component by weight percentage is as follows:
Comprise all compositions, and some trace impurities, total amount is by weight 100% of calculation.
This glass material has 1000 viscosity of mooring at mold temperature 1160 degree Celsius to time between 1360 degree Celsius, and liquidus temperature is lower than mold temperature 79,84,88,93,94 or 95 degree Celsius.
The present invention is by adjusting the kind and the proportioning thereof of frit, remove in the non-alkali glass raw materials for production boride raw materials such as fluoride raw material such as employed fluorite and borocalcite, thereby the generation of control exhaust emission on the source realizes sustainable development.
Embodiment:
By the following examples the present invention is specifically described, but content of the present invention is not subjected to any restriction of following examples.
The raw materials for production of non-alkali glass adopt agalmatolite, quartz sand, calcined limestone, calcined dolomite usually, wherein calcined limestone can be substituted or both mix use by common lime stone, and calcined dolomite can be substituted or the three mixes use by light dolomite or common white marble.Generally speaking, the course of processing of the embodiment of the invention is as follows: each composition of the embodiment of the invention (for example: the silicon-dioxide in the quartz sand can obtain from suitable admixtion or raw material, calcium oxide in the Wingdale, magnesium oxide in the rhombspar) and may comprise the trace other compositions, these compositions mix the expection weight percent that has reached final composition by suitable proportion with ordinary method; This then mixed batching melts in smelting furnace or melting tank, and the glass metal that fusing forms flow to the fiberizing bushing that is positioned at the path bottom by path; Thereby glass metal is drawn out by leting slip a remark on the bushing and forms glass fibre; Glass fibre is pulled around form former spinning cake or yarn group to the drawing wire machine rotating head; These fibers may need to carry out deep processing to meet the expected requirements with ordinary method.The all same prior art of above processing step and required equipment.
The embodiment of the invention found the composition of raw materials of per 1000 kilograms of glass metals such as table 1 (unit: kilogram), wherein total amount (1051.51 kilograms) and the main effective constituent (SiO of expection
2, Al
2O
3, Fe
2O
3, TiO
2, CaO, MgO, K
2O, Na
2O) difference (55.70 kilograms) of weight (995.81 kilograms) is impurities in raw materials, and effective constituent weight (995.81 kilograms) is the impurity in the product with the difference (4.19 kilograms) of rated value (1000 kilograms).Production stage comprises batching, fusing, fiberizing, wire drawing, and typical proportion of product (each composition accounts for the per-cent of gross weight) and processing parameter see Table 2.
Because detection technique, the content of composition is always 100% not accurate in table 1, the table 2.But all various components comprise all impurity, and the total amount addition still is 100%.In addition, having some special compositions to exist, but as long as singly plant special composition and be no more than 0.05% of gross weight, should be the trace impurity (trace impurity be not more than usually product gross weight 1%) in the raw material, rather than the people be what add.Some only be the present invention in commercial application, the impurity in employed raw material such as quartz sand, Wingdale, agalmatolite, the rhombspar.Some other raw material can be added in the mix, helps to produce, and this raw material can be removed in melting process, and the finished product do not contain the component of this composition; Such as a small amount of saltcake of adding, carbon dust, soda ash thrin or their combination in mix, but do not have this material in the last product composition.The major ingredient of saltcake is an anhydrous sodium sulphate, as finings in the glass, spends decomposition obviously at high temperature about 1288, and degradation production sodium oxide, sulfurous gas, oxygen produce " tensio-active agent ", " the interface edge action is used ", " scavenging action ".The reducing substances carbon dust can make the anhydrous sodium sulphate reaction generate a part of sulfide, sulfide makes the sodium sulfate clarification more effective, and the decomposition temperature of sodium sulfate can drop to 900 degree, reductibility is strengthened to a certain degree, can make sodium sulfate in glass melting and the clarification in effect reach optimum regime " reducible sulfur clarification ".The major ingredient of soda ash is a yellow soda ash, degradation production carbonic acid gas and sodium oxide, and carbonic acid gas can produce scavenging action, and sodium oxide can be adjusted the material of glass, improves the glass smelting performance.
Table 1
Table 2
Of the present invention owing to do not use boride raw materials such as fluoride raw material such as fluorite and borocalcite, thereby the generation of control exhaust emission on the source, and through evidence, the product that the embodiment of the invention obtains meets the technical requirements of non-alkali glass, has good social benefit.
Claims (7)
1, a kind of non-alkali glass, raw materials for production comprise agalmatolite, quartz sand, calcined limestone, calcined dolomite, production stage comprises batching, fusing, fiberizing, wire drawing and goods processing, mold temperature when viscosity is 1000 pools is 1160 degree Celsius～1360 degree Celsius, liquidus temperature is lower than mold temperature Celsius 79,84,88,93,94 or 95 degree, the per-cent that each composition of product accounts for the product gross weight is respectively: silicon-dioxide 58～62%, calcium oxide 20～24%, aluminium sesquioxide 12～14%, magnesium oxide 2～4%, fluorine 0.05～0.6%, potassium oxide and sodium oxide amount to 0.73～2%, titanium oxide 2%, ferric oxide 0.55～0.6%, sulphur trioxide 0.03～0.6%, and the trace impurity that is not more than product gross weight 1%.
2, non-alkali glass according to claim 1, it is characterized in that: quartz sand accounts for 16.87% of raw material gross weight, calcined limestone accounts for 18.52% of raw material gross weight, and agalmatolite accounts for 57.95% of raw material gross weight, and calcined dolomite accounts for 6.66% of raw material gross weight.
3, non-alkali glass according to claim 1 and 2 is characterized in that: calcined limestone is substituted by common lime stone.
4, non-alkali glass production technique according to claim 1 and 2 is characterized in that: calcined dolomite is substituted by light dolomite or common white marble.
5, non-alkali glass production technique according to claim 1, it is characterized in that: described raw materials for production also comprise the carbon dust that accounts for raw material gross weight 0～1%.
6, non-alkali glass production technique according to claim 1, it is characterized in that: described raw materials for production also comprise the saltcake that accounts for raw material gross weight 0～2%.
7, non-alkali glass production technique according to claim 1, it is characterized in that: described raw materials for production also comprise the soda ash that accounts for raw material gross weight 0～2%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100697735A CN100569683C (en) | 2007-06-28 | 2007-06-28 | Non-alkali glass and production technique thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100697735A CN100569683C (en) | 2007-06-28 | 2007-06-28 | Non-alkali glass and production technique thereof |
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| CN101113072A CN101113072A (en) | 2008-01-30 |
| CN100569683C true CN100569683C (en) | 2009-12-16 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102491644A (en) * | 2011-11-16 | 2012-06-13 | 泰山玻璃纤维有限公司 | High magnesium content boron-free glass fiber |
| CN102786225A (en) * | 2012-08-28 | 2012-11-21 | 泰山玻璃纤维有限公司 | Low-boron fluoride-free fiberglass composition |
| TW201527249A (en) * | 2013-12-13 | 2015-07-16 | Asahi Glass Co Ltd | Glass for chemical strengthening, chemically-strengthened glass, and method for producing chemically-strengthened glass |
| JP2015193522A (en) * | 2014-03-28 | 2015-11-05 | 日本電気硝子株式会社 | Kaolin raw material for glass manufacture and manufacturing method of glass fiber |
| CN104446336A (en) * | 2014-10-31 | 2015-03-25 | 田琳琳 | Efficient sound-insulation glass |
| CN107571574B (en) * | 2017-09-01 | 2020-04-17 | 福建昱源能科技有限公司 | Energy-saving and environment-friendly insulating glass |
| CN107601910A (en) * | 2017-10-30 | 2018-01-19 | 安徽丹凤集团桐城玻璃纤维有限公司 | A kind of composite glass fiber |
| CN109880370A (en) * | 2019-03-07 | 2019-06-14 | 佛山市顺德区南华绝缘材料有限公司 | A kind of silicone resin glass fibre sleeve and processing method |
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Assignee: Jushi Pandeng Electronic Parent Metal Co., Ltd. Assignor: Jushi Group Co., Ltd. Contract record no.: 2010330000991 Denomination of invention: Alkali-free glass and manufacturing technique thereof Granted publication date: 20091216 License type: Exclusive License Open date: 20080130 Record date: 20100524 |