CN109626832B - Production process of alkali-free glass fiber yarn - Google Patents
Production process of alkali-free glass fiber yarn Download PDFInfo
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- CN109626832B CN109626832B CN201910039257.0A CN201910039257A CN109626832B CN 109626832 B CN109626832 B CN 109626832B CN 201910039257 A CN201910039257 A CN 201910039257A CN 109626832 B CN109626832 B CN 109626832B
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- glass fiber
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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
- 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
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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
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/12—General methods of coating; Devices therefor
Abstract
The invention discloses a production process of alkali-free glass fiber yarns, which comprises the following steps: preparing raw materials: selecting raw materials for preparing glass fiber yarns; raw material treatment: removing impurities from the selected raw materials and crushing; mixing and melting raw materials: mixing and melting the treated raw materials; preparing fibers: the molten liquid raw material is prepared into glass fiber yarns. According to the production process of the alkali-free glass fiber yarn, the alkali-free glass fiber yarn prepared by the process has excellent high-temperature resistance, and meanwhile has stronger shearing resistance and corrosion resistance.
Description
Technical Field
The invention relates to the field of glass fiber yarns, in particular to a production process of alkali-free glass fiber yarns.
Background
The glass fiber is an inorganic non-metallic material with excellent performance, and has various types, good insulativity, strong heat resistance, good corrosion resistance and high mechanical strength, and is prepared by taking seven kinds of ores of pyrophyllite, quartz sand, limestone, dolomite, borocalcite and boromagnesite as raw materials and carrying out processes of high-temperature melting, wire drawing, winding, weaving and the like, wherein the diameter of each monofilament is several micrometers to twenty micrometers, each bundle of fiber precursor consists of hundreds of even thousands of monofilaments, and the glass fiber is usually used as a reinforcing material in a composite material, an electric insulating material, a heat insulation material, a circuit substrate and other various fields of national economy;
the alkali-free glass fiber, also called E glass fiber, is glass fiber with low content of alkali metal oxide, and the glass fiber produced and prepared in the existing alkali-free glass fiber yarn production process has weak high temperature resistance, poor shearing resistance and corrosion resistance, and is difficult to meet the requirements in some special places.
Disclosure of Invention
The invention mainly aims to provide a production process of alkali-free glass fiber yarns, which can effectively solve the problems in the background art.
In order to achieve the purpose, the invention adopts the technical scheme that:
a production process of alkali-free glass fiber yarns comprises the following steps:
(1) and preparing raw materials: selecting raw materials for preparing glass fiber yarns;
(2) and (3) raw material treatment: removing impurities from the selected raw materials and crushing;
(3) mixing and melting raw materials: mixing and melting the treated raw materials;
(4) and (3) fiber preparation: the molten liquid raw material is prepared into glass fiber yarns.
Preferably, the raw materials in step (1) include a combination of silica, boron oxide and metal oxide, wherein the metal oxide adopts one or more of magnesium oxide, sodium oxide, aluminum oxide and calcium oxide in any proportion.
Preferably, the raw material in the step (2) is processed by the following specific steps:
(2.1) adding the raw materials in the step (1) into an impurity remover for impurity removal;
(2.2) adding the raw materials subjected to impurity removal into a pulverizer for pulverization;
(2.3) sieving the crushed raw materials with a sieve of 300 meshes and 400 meshes.
Preferably, the raw materials in the step (3) are mixed and melted, and the method comprises the following specific steps:
(3.1) mixing the screened raw materials;
(3.1.1) mixing the following raw materials in proportion of silicon dioxide: boron oxide: metal oxide ═ 6.5:2.5: 1;
(3.1.2) mixing the following raw materials in proportion of silica: boron oxide: metal oxide ═ 5.5: 3.5: 1;
(3.1.3) raw material mixing ratio of silica: boron oxide: metal oxide ═ 6: 3: 1;
(3.2) adding the mixed raw materials into a stirrer and stirring;
(3.3) adding the mixed raw materials into a kiln for melting to form a glass fiber solution.
Preferably, the step (4) of preparing the fiber is to inject the glass fiber solution prepared in the step (3.3) into a drawing machine for drawing and forming.
Preferably, the wire drawing machine in the step (4) includes a bushing structure, a cooling structure, an oil coating structure, a bundling structure and a wire winding structure, wherein the bushing structure is used for converting the glass fiber solution into the glass fiber embryonic wires, the cooling structure is used for cooling the glass fiber embryonic wires, the oil coating structure is used for coating the surface of the cooled glass fiber embryonic wires with the sizing agent, the bundling structure is used for combining a plurality of groups of glass fiber embryonic wires after oil coating into one strand to form glass fiber yarns, and the wire winding structure is used for winding and winding the glass fiber wires.
Preferably, in the step (3.2), the rotation speed of the stirrer is 70r/min, and the stirring time of the stirrer is 10 min.
Preferably, the kiln temperature in step (3.3) is 1600 ℃.
Compared with the prior art, the invention has the following beneficial effects:
in the process of preparing the alkali-free glass fiber yarn, the raw materials of the glass fiber yarn are proportioned according to the proportion of silicon dioxide: boron oxide: metal oxide ═ 6.5:2.5:1, the high temperature resistance of the alkali-free glass fiber yarn is effectively improved;
the method comprises the following steps of (1) adopting magnesium oxide and aluminum oxide as metal oxides; 1, the alkali-free glass fiber yarns have stronger shearing resistance and corrosion resistance;
from the above, the prepared alkali-free glass fiber yarn has excellent high temperature resistance, strong shearing resistance and corrosion resistance, and the prepared product is environment-friendly and non-toxic, has excellent physical properties, is uncomplicated in processing method and greatly reduces the cost.
Drawings
FIG. 1 is an overall flow chart of the production process of an alkali-free glass fiber yarn of the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained by combining the specific embodiments.
As shown in figure 1, the invention discloses a production process of alkali-free glass fiber yarns, which comprises the following steps:
(1) and preparing raw materials: selecting raw materials for preparing glass fiber yarns;
(2) and (3) raw material treatment: removing impurities from the selected raw materials and crushing;
(3) mixing and melting raw materials: mixing and melting the treated raw materials;
(4) and preparing fiber: the molten liquid raw material is prepared into glass fiber yarns.
Preferably, the raw materials in step (1) include a combination of silicon dioxide, boron oxide and metal oxide, wherein the metal oxide is one or a combination of more of magnesium oxide, sodium oxide, aluminum oxide and calcium oxide in any proportion.
Preferably, the raw material in the step (2) is processed by the following specific steps:
(2.1) adding the raw materials in the step (1) into an impurity remover for impurity removal;
(2.2) adding the raw materials subjected to impurity removal into a pulverizer for pulverization;
(2.3) sieving the crushed raw materials with a sieve of 300 meshes and 400 meshes.
Preferably, the raw materials in the step (3) are mixed and melted, and the method comprises the following specific steps:
(3.1) mixing the screened raw materials;
(3.1.1) mixing the following raw materials in proportion of silica: boron oxide: metal oxide ═ 6.5:2.5: 1;
(3.1.2) mixing the following raw materials in proportion of silica: boron oxide: metal oxide ═ 5.5: 3.5: 1;
(3.1.3) raw material mixing ratio of silica: boron oxide: metal oxide ═ 6: 3: 1;
(3.2) adding the mixed raw materials into a stirrer and stirring;
(3.3) adding the mixed raw materials into a kiln for melting to form a glass fiber solution.
Preferably, the step (4) of preparing the fiber is to inject the glass fiber solution prepared in the step (3.3) into a drawing machine for drawing and forming.
Preferably, the wire drawing machine in the step (4) includes a bushing structure, a cooling structure, an oil coating structure, a bundling structure and a wire winding structure, wherein the bushing structure is used for converting the glass fiber solution into the glass fiber embryonic wires, the cooling structure is used for cooling the glass fiber embryonic wires, the oil coating structure is used for coating the surface of the cooled glass fiber embryonic wires with the sizing agent, the bundling structure is used for combining a plurality of groups of glass fiber embryonic wires after oil coating into one strand to form glass fiber yarns, and the wire winding structure is used for winding and winding the glass fiber wires.
Preferably, in the step (3.2), the rotation speed of the stirrer is 70r/min, and the stirring time of the stirrer is 10 min.
Preferably, the kiln temperature in step (3.3) is 1600 ℃.
Example 1
As shown in fig. 1, the method comprises the following steps:
(1) and preparing raw materials: selecting raw materials for preparing glass fiber yarns;
(2) and (3) raw material treatment: removing impurities from the selected raw materials and crushing;
(3) mixing and melting raw materials: mixing and melting the treated raw materials;
(4) and (3) fiber preparation: the molten liquid raw material is prepared into glass fiber yarns.
Preferably, the raw materials in the step (1) comprise a combination of silicon dioxide, boron oxide and metal oxide, wherein the metal oxide is magnesium oxide and aluminum oxide, and the ratio of the magnesium oxide to the aluminum oxide is 1; 1 proportion.
Preferably, the raw material in the step (2) is treated by the following specific steps:
(2.1) adding the raw materials in the step (1) into an impurity remover for impurity removal;
(2.2) adding the raw materials subjected to impurity removal into a pulverizer for pulverization;
(2.3) sieving the crushed raw materials with a 300-mesh sieve.
Preferably, the raw materials in the step (3) are mixed and melted, and the method comprises the following specific steps:
(3.1) mixing the screened raw materials;
the raw material mixing ratio is as follows: boron oxide: metal oxide ═ 6.5:2.5: 1;
(3.2) adding the mixed raw materials into a stirrer and stirring;
(3.3) adding the mixed raw materials into a kiln for melting to form a glass fiber solution.
Preferably, the step (4) of preparing the fiber is to inject the glass fiber solution prepared in the step (3.3) into a drawing machine for drawing and forming.
Preferably, the wire drawing machine in the step (4) includes a bushing structure, a cooling structure, an oil coating structure, a bundling structure and a wire winding structure, wherein the bushing structure is used for converting the glass fiber solution into the glass fiber embryonic wires, the cooling structure is used for cooling the glass fiber embryonic wires, the oil coating structure is used for coating the surface of the cooled glass fiber embryonic wires with the sizing agent, the bundling structure is used for combining a plurality of groups of glass fiber embryonic wires after oil coating into one strand to form glass fiber yarns, and the wire winding structure is used for winding and winding the glass fiber wires.
Preferably, in the step (3.2), the rotation speed of the stirrer is 70r/min, and the stirring time of the stirrer is 10 min.
Preferably, the kiln temperature in step (3.3) is 1600 ℃.
Example 2
The method comprises the following steps:
(1) and preparing raw materials: selecting raw materials for preparing glass fiber yarns;
(2) and (3) raw material treatment: removing impurities from the selected raw materials and crushing;
(3) mixing and melting raw materials: mixing and melting the treated raw materials;
(4) and (3) fiber preparation: the molten liquid raw material is prepared into glass fiber yarns.
Preferably, the raw materials in step (1) include a combination of silicon dioxide, boron oxide and metal oxide, wherein the metal oxide is magnesium oxide.
Preferably, the raw material in the step (2) is processed by the following specific steps:
(2.1) adding the raw materials in the step (1) into an impurity remover for impurity removal;
(2.2) adding the raw materials subjected to impurity removal into a pulverizer for pulverization;
(2.3) sieving the crushed raw materials with a 400-mesh sieve.
Preferably, the raw materials in the step (3) are mixed and melted, and the method comprises the following specific steps:
(3.1) mixing the screened raw materials;
the raw material mixing ratio is as follows, silicon dioxide: boron oxide: metal oxide ═ 5.5: 3.5: 1;
(3.2) adding the mixed raw materials into a stirrer and stirring;
(3.3) adding the mixed raw materials into a kiln for melting to form a glass fiber solution.
Preferably, the step (4) of preparing the fiber is to inject the glass fiber solution prepared in the step (3.3) into a drawing machine for drawing and forming.
Preferably, the wire drawing machine in the step (4) includes a bushing structure, a cooling structure, an oil coating structure, a bundling structure and a wire winding structure, wherein the bushing structure is used for converting the glass fiber solution into the glass fiber embryonic wires, the cooling structure is used for cooling the glass fiber embryonic wires, the oil coating structure is used for coating the surface of the cooled glass fiber embryonic wires with the sizing agent, the bundling structure is used for combining a plurality of groups of glass fiber embryonic wires after oil coating into one strand to form glass fiber yarns, and the wire winding structure is used for winding and winding the glass fiber wires.
Preferably, in the step (3.2), the rotation speed of the stirrer is 70r/min, and the stirring time of the stirrer is 10 min.
Preferably, the kiln temperature in step (3.3) is 1600 ℃.
Example 3
As shown in fig. 1, the method comprises the following steps:
(1) preparing raw materials: selecting raw materials for preparing glass fiber yarns;
(2) and (3) raw material treatment: removing impurities from the selected raw materials and crushing;
(3) mixing and melting raw materials: mixing and melting the treated raw materials;
(4) and preparing fiber: the molten liquid raw material is prepared into glass fiber yarns.
Preferably, the raw materials in step (1) include a combination of silica, boron oxide and metal oxide, wherein the metal oxide is alumina.
Preferably, the raw material in the step (2) is processed by the following specific steps:
(2.1) adding the raw materials in the step (1) into an impurity remover for impurity removal;
(2.2) adding the raw materials subjected to impurity removal into a pulverizer for pulverization;
(2.3) sieving the crushed raw materials with a 300-mesh sieve.
Preferably, the raw materials in the step (3) are mixed and melted, and the method comprises the following specific steps:
(3.1) mixing the screened raw materials;
the raw material mixing ratio is as follows, silicon dioxide: boron oxide: metal oxide ═ 6: 3: 1;
(3.2) adding the mixed raw materials into a stirrer for stirring;
(3.3) adding the mixed raw materials into a kiln for melting to form a glass fiber solution.
Preferably, the step (4) of preparing the fiber is to inject the glass fiber solution prepared in the step (3.3) into a drawing machine for drawing and forming.
Preferably, the wire drawing machine in the step (4) includes a bushing structure, a cooling structure, an oil coating structure, a bundling structure and a wire winding structure, wherein the bushing structure is used for converting the glass fiber solution into the glass fiber embryonic wires, the cooling structure is used for cooling the glass fiber embryonic wires, the oil coating structure is used for coating the surface of the cooled glass fiber embryonic wires with the sizing agent, the bundling structure is used for combining a plurality of groups of glass fiber embryonic wires after oil coating into one strand to form glass fiber yarns, and the wire winding structure is used for winding and winding the glass fiber wires.
Preferably, in the step (3.2), the rotation speed of the stirrer is 70r/min, and the stirring time of the stirrer is 10 min.
Preferably, the kiln temperature in step (3.3) is 1600 ℃.
Table 1 shows the high temperature resistance test results of the glass fiber yarns prepared by the methods of examples 1-3, wherein the test results are as follows:
from the experimental data in table 1, it can be seen that the glass fiber yarn prepared by the present invention has excellent high temperature resistance, wherein the glass fiber yarn in example 1 is the most preferable.
Table 2 shows the basic properties of the glass fiber yarns prepared by the methods of examples 1 to 3, and the test results are as follows
As can be seen from the experimental data in Table 2, the glass fiber yarns prepared by the invention have the advantages of strong shearing resistance and strong corrosion resistance, wherein the best choice is shown in example 1.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A production process of alkali-free glass fiber yarns comprises the following steps:
(1) preparing raw materials: selecting raw materials for preparing glass fiber yarns, wherein the raw materials comprise silicon dioxide, boron oxide and metal oxide, and the metal oxide is formed by matching magnesium oxide and aluminum oxide according to a ratio of 1: 1;
(2) and (3) raw material treatment: removing impurities from the selected raw materials and crushing;
(3) mixing and melting raw materials: the treated raw materials are treated according to the following ratio of silicon dioxide: boron oxide:
mixing and melting the metal oxide in a ratio of 6.5:2.5: 1;
(4) and (3) fiber preparation: the molten liquid raw material is prepared into glass fiber yarns.
2. The process for producing alkali-free glass fiber yarn according to claim 1, wherein: the raw material treatment in the step (2) comprises the following specific steps:
(2.1) adding the raw materials in the step (1) into an impurity remover for impurity removal;
(2.2) adding the raw materials subjected to impurity removal into a pulverizer for pulverization;
(2.3) sieving the crushed raw materials with a sieve of 300 meshes and 400 meshes.
3. The process for producing an alkali-free glass fiber yarn according to claim 1, wherein: the raw materials in the step (3) are mixed and melted, and the method comprises the following specific steps:
(3.1) mixing the screened raw materials in proportion;
(3.2) adding the mixed raw materials into a stirrer for stirring;
(3.3) adding the mixed raw materials into a kiln for melting to form a glass fiber solution.
4. The process for producing an alkali-free glass fiber yarn according to claim 1, wherein: and the step (4) of fiber preparation is to inject the glass fiber solution prepared in the step (3.3) into a wire drawing machine for wire drawing and forming.
5. The process for producing alkali-free glass fiber yarn according to claim 4, wherein: the wire drawing machine in the step (4) comprises a bushing plate structure, a cooling structure, an oil coating structure, a bundling structure and a wire winding structure, wherein the bushing plate structure is used for converting glass fiber solution into glass fiber embryonic wires, the cooling structure is used for cooling the glass fiber embryonic wires, the oil coating structure is used for coating the surfaces of the cooled glass fiber embryonic wires with an impregnating compound, the bundling structure is used for combining a plurality of groups of glass fiber embryonic wires after oil coating into one strand to form glass fiber yarns, and the wire winding structure is used for winding and winding the glass fiber yarns.
6. The process for producing alkali-free glass fiber yarn according to claim 3, wherein: and (3) in the step (3.2), the rotating speed of the stirrer is 70r/min, and the stirring time of the stirrer is 10 min.
7. The process for producing alkali-free glass fiber yarn according to claim 3, wherein: the kiln temperature in the step (3.3) is 1600 ℃.
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| CN111302642A (en) * | 2020-04-17 | 2020-06-19 | 安徽丹凤集团桐城玻璃纤维有限公司 | Electronic yarn and production method thereof |
| CN113371997B (en) * | 2021-06-08 | 2022-11-11 | 山东玻纤集团股份有限公司 | Intelligent production system and production method of glass fibers |
| CN113372008B (en) * | 2021-06-08 | 2022-12-09 | 山东玻纤集团股份有限公司 | Intelligent online production method of glass fiber |
| CN113800762A (en) * | 2021-08-27 | 2021-12-17 | 淄博卓意玻纤材料有限公司 | Intelligent online production method of glass fiber |
| CN113754270A (en) * | 2021-08-27 | 2021-12-07 | 淄博卓意玻纤材料有限公司 | Intelligent production system and production method of glass fibers |
| CN113735451A (en) * | 2021-09-16 | 2021-12-03 | 江苏奥凯新材料科技有限公司 | High-temperature-resistant high-strength hot-melt glass fiber cloth and manufacturing process thereof |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5396012A (en) * | 1977-02-01 | 1978-08-22 | Nippon Electric Glass Co | Alkaliiproof glass for glass fiber |
| US6399525B2 (en) * | 1997-03-28 | 2002-06-04 | Johns Manville International, Inc. | Flame attenuated fiberglass |
| JP5122048B2 (en) * | 1999-12-15 | 2013-01-16 | ホリングワース・アンド・ボーズ・カンパニー | Low boron content micro glass fiber filtration media |
| CN101012105B (en) * | 2006-12-21 | 2010-05-19 | 泰山玻璃纤维股份有限公司 | Glass fiber with low permittivity |
| CN102333735B (en) * | 2009-03-25 | 2016-04-20 | 日本电气硝子株式会社 | Glass fibre glass composition, glass fibre and sheet-shaped material thing |
| US9556059B2 (en) * | 2009-08-03 | 2017-01-31 | Hong Li | Glass compositions and fibers made therefrom |
| CN102276153B (en) * | 2011-07-27 | 2013-11-06 | 中材科技股份有限公司 | Composition for high-property heat-resisting corrosion-resisting glass fiber |
| CN104973791A (en) * | 2015-04-28 | 2015-10-14 | 安徽丹凤集团桐城玻璃纤维有限公司 | Alkali-free glass fiber yarn production process |
| CN105366945A (en) * | 2015-12-10 | 2016-03-02 | 季桂金 | Heat-resistant glass fiber and preparation method thereof |
| CN105753330A (en) * | 2016-03-16 | 2016-07-13 | 济南大学 | Alkali-resistant glass fiber composition, alkali-resistant glass fiber and preparation method thereof |
| CN107601842A (en) * | 2017-10-31 | 2018-01-19 | 安徽丹凤电子材料股份有限公司 | A kind of glass fiber wire-drawing technique |
| CN108046608A (en) * | 2017-12-25 | 2018-05-18 | 安徽同力新材料有限公司 | A kind of high-strength high temperature-resistant glass fibre |
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