CN114349332A - Glass fiber forming processing technology - Google Patents
Glass fiber forming processing technology Download PDFInfo
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- CN114349332A CN114349332A CN202210009207.XA CN202210009207A CN114349332A CN 114349332 A CN114349332 A CN 114349332A CN 202210009207 A CN202210009207 A CN 202210009207A CN 114349332 A CN114349332 A CN 114349332A
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- glass
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- wire drawing
- glass fiber
- fiber forming
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Abstract
The invention discloses a glass fiber forming processing technology, which comprises the following steps: s1: raw material treatment: preheating, cleaning and crushing raw material glass; s2: heating: after raw material treatment, the glass raw material powder is heated in two stages, wherein the first-stage heating temperature is 1050-; s3: drawing: leading out the molten glass from a smelting furnace, and driving a wire drawing roller by a motor to perform wire drawing treatment on the molten glass; s4: spinning and softening: after the glass fiber on the surface of the wire drawing roller is cooled, a worker draws the glass fiber and performs softening treatment; s5: silk feeding and sizing: and (3) removing the softened glass filaments, arranging the glass filaments, guiding the glass filaments into a forming machine, and hot-pressing the glass filaments to form sheets. The invention can effectively improve the efficiency of raw material treatment, so that the glass is more beneficial to overall heating, and the energy consumption in the raw material treatment stage can be effectively reduced.
Description
Technical Field
The invention relates to the technical field of glass fiber production, in particular to a glass fiber forming processing technology.
Background
The glass fiber is an inorganic non-metallic material with excellent performance, has various varieties, has the advantages of good insulativity, strong heat resistance, good corrosion resistance and high mechanical strength, but has the defects of brittleness and poor wear resistance. The fiber is prepared from six kinds of ores of pyrophyllite, quartz sand, limestone, dolomite, borocalcite and boromagnesite through the processes of high-temperature melting, wire drawing, winding, weaving and the like, wherein the diameter of each monofilament ranges from several micrometers to twenty micrometers, and each bundle of fiber precursor consists of hundreds of monofilaments and even thousands of monofilaments. Glass fibers are commonly used in the fields of reinforcing materials, electrical insulating materials, thermal insulating materials, circuit boards, and the like in composite materials.
Through massive search, the prior art is found, and the publication number is as follows: CN1931759 discloses a method for preparing short glass fibers by using tank furnace wire drawing waste filaments. The method comprises the following steps: performing coarse treatment on waste wire in tank furnace drawing; adhesive preparation: diluting a water-soluble or water-emulsifiable binder with water to a sprayable condition; spraying of the binder: spraying a binder on the tank furnace wiredrawing waste wire or soaking the tank furnace wiredrawing waste wire in the diluted binder, and standing to ensure that the binder is fully absorbed; short glass fiber forming and processing: and cutting, screening and baking the tank furnace wire drawing waste silk with the binder, and finally screening out the short glass fiber. The method does not need high-temperature sintering, so that the cost of the prepared short glass fiber is 4000 yuan/t, and the method has stronger cost advantage compared with the product market price of 9000-12000 yuan/t. And the product is convenient to feed, the abrasion to the extruder is small, and meanwhile, the waste is utilized to produce the short glass fiber with large demand on the market, so that the waste is changed into valuable.
In summary, in the process of processing glass fibers, the glass raw materials need to be cleaned and crushed, so that a crushing mechanism needs to be put into the glass raw materials to crush the glass raw materials, and the glass raw materials need to be dried after being cleaned, so that the energy consumption is high, and the expenditure of electric charge of enterprises is increased.
Disclosure of Invention
The invention aims to provide a glass fiber forming processing technology to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a glass fiber forming and processing technology comprises the following steps:
s1: raw material treatment: preheating, cleaning and crushing raw material glass;
s2: heating: after raw material treatment, the glass raw material powder is heated in two stages, wherein the first-stage heating temperature is 1050-;
s3: drawing: leading out the molten glass from a smelting furnace, and driving a wire drawing roller by a motor to perform wire drawing treatment on the molten glass;
s4: spinning and softening: after the glass fiber on the surface of the wire drawing roller is cooled, a worker draws the glass fiber and performs softening treatment;
s5: silk feeding and sizing: and (3) removing the softened glass filaments, arranging the glass filaments, guiding the glass filaments into a forming machine, and hot-pressing the glass filaments to form sheets.
Preferably, in S1 based on the glass fiber forming process: the raw material treatment steps are as follows:
the first step is as follows: preheating the glass raw material at the preheating temperature of 230-300 ℃ for 2-3 h;
the second step is that: preparing cleaning water, and adding 4-6% of caustic soda and 2-3% of borax by mass into the cleaning water;
the third step: cleaning the glass raw material with cleaning water, cleaning stains on the surface of the glass raw material with caustic soda, greatly cooling the glass raw material cooled with cold water to generate expansion with heat and contraction with cold, causing the glass raw material to be crushed, and guiding out the raw material after two times of cleaning;
the fourth step: the residual heat of the glass raw material evaporates the water to dryness, and the raw material can be heated.
Preferably, in S2 based on the glass fiber forming process:
heating in a first stage: introducing the treated glass raw material into a melting furnace, raising the temperature to 1050-;
two-stage heating: after the first-stage heating is finished, the temperature of the smelting furnace is raised to 1300-1450 ℃, the glass raw materials in the smelting furnace are completely smelted, and the molten glass in the smelting furnace is stirred during the second-stage heating, so that bubbles in the molten glass are reduced, and the comprehensive smelting of the glass raw materials is guaranteed.
Preferably, in S3 based on the glass fiber forming process:
the molten glass in the melting furnace is led out through the discharge port to form a continuous molten filament shape and is led into the wire drawing roller, the wire drawing roller is driven by the motor to rotate to draw the filament molten glass, the surface of the wire drawing roller is provided with protrusions, the molten glass is drawn at multiple angles, and the rotating speed of the wire drawing roller is 2500-4000 r/min.
Preferably, in S4 based on the glass fiber forming process:
after the wire drawing stage is finished, winding the filiform glass on the surface of a wire drawing roller, waiting for 15min, cooling the filiform glass, drawing wires, taking down the filiform glass from the surface of the wire drawing roller, and guiding the wire drawing glass into a softening roller;
the softening roller rotates to soften the filiform glass, and the softening roller is subjected to flame spraying and heating, so that the temperature of the softening roller is raised to 600-750 ℃, and the glass fibers are refined and softened by matching with the rotation of the softening roller.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the glass raw material is preheated to raise the temperature of the glass raw material to 230-plus-300 ℃, and in the subsequent cleaning process, the glass raw material is contacted with normal-temperature cleaning water at high temperature to perform rapid heat exchange to form expansion with heat and contraction with cold, so that the glass raw material can be crushed, the crushing link is saved, meanwhile, the glass raw material is effectively cleaned, impurities mixed in the glass raw material are reduced, meanwhile, residual water can be evaporated to dryness through the residual temperature of the glass raw material, the investment of drying equipment is saved, the investment cost of the equipment is reduced, the electric quantity loss is reduced, and the production of enterprises is facilitated.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The invention provides five embodiments:
the first embodiment is as follows:
a glass fiber forming and processing technology comprises the following steps:
s1: raw material treatment: preheating, cleaning and crushing raw material glass;
s2: heating: after raw material treatment, the glass raw material powder is heated in two stages, wherein the first-stage heating temperature is 1050-;
s3: drawing: leading out the molten glass from a smelting furnace, and driving a wire drawing roller by a motor to perform wire drawing treatment on the molten glass;
s4: spinning and softening: after the glass fiber on the surface of the wire drawing roller is cooled, a worker draws the glass fiber and performs softening treatment;
s5: silk feeding and sizing: and (3) removing the softened glass filaments, arranging the glass filaments, guiding the glass filaments into a forming machine, and hot-pressing the glass filaments to form sheets.
Example two:
in S1 based on the glass fiber forming process: the raw material treatment steps are as follows:
the first step is as follows: preheating the glass raw material at the preheating temperature of 230-300 ℃ for 2-3 h;
the second step is that: preparing cleaning water, and adding 4-6% of caustic soda and 2-3% of borax by mass into the cleaning water;
the third step: cleaning the glass raw material with cleaning water, cleaning stains on the surface of the glass raw material with caustic soda, greatly cooling the glass raw material cooled with cold water to generate expansion with heat and contraction with cold, causing the glass raw material to be crushed, and guiding out the raw material after two times of cleaning;
the fourth step: the residual heat of the glass raw material evaporates the water to dryness, and the raw material can be heated.
The temperature of the glass raw material is raised to 230 + 300 ℃, and in the subsequent cleaning process, the glass raw material is contacted with cleaning water at normal temperature through high temperature, rapid heat exchange is carried out, expansion with heat and contraction with cold are formed, the glass raw material can be crushed, the crushing link is saved, meanwhile, the glass raw material is effectively cleaned, impurities mixed in the glass raw material are reduced, residual water can be evaporated to dryness through the residual temperature of the glass raw material, the investment of drying equipment is saved, the equipment investment cost is reduced, the electric quantity loss is reduced, and the production of enterprises is facilitated.
Example three:
in S2 based on the glass fiber forming process:
heating in a first stage: introducing the treated glass raw material into a melting furnace, raising the temperature to 1050-;
two-stage heating: after the first-stage heating is finished, the temperature of the smelting furnace is raised to 1300-1450 ℃, the glass raw materials in the smelting furnace are completely smelted, and the molten glass in the smelting furnace is stirred during the second-stage heating, so that bubbles in the molten glass are reduced, and the comprehensive smelting of the glass raw materials is guaranteed.
Example four:
in S3 based on the glass fiber forming process:
the molten glass in the melting furnace is led out through the discharge port to form a continuous molten filament shape and is led into the wire drawing roller, the wire drawing roller is driven by the motor to rotate to draw the filament molten glass, the surface of the wire drawing roller is provided with protrusions, the molten glass is drawn at multiple angles, and the rotating speed of the wire drawing roller is 2500-4000 r/min.
Example five:
in S4 based on the glass fiber forming process:
after the wire drawing stage is finished, winding the filiform glass on the surface of a wire drawing roller, waiting for 15min, cooling the filiform glass, drawing wires, taking down the filiform glass from the surface of the wire drawing roller, and guiding the wire drawing glass into a softening roller;
the softening roller rotates to soften the filiform glass, and the softening roller is subjected to flame spraying and heating, so that the temperature of the softening roller is raised to 600-750 ℃, and the glass fibers are refined and softened by matching with the rotation of the softening roller.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (5)
1. A glass fiber forming processing technology is characterized in that: the glass fiber forming and processing technology comprises the following steps:
s1: raw material treatment: preheating, cleaning and crushing raw material glass;
s2: heating: after raw material treatment, the glass raw material powder is heated in two stages, wherein the first-stage heating temperature is 1050-;
s3: drawing: leading out the molten glass from a smelting furnace, and driving a wire drawing roller by a motor to perform wire drawing treatment on the molten glass;
s4: spinning and softening: after the glass fiber on the surface of the wire drawing roller is cooled, a worker draws the glass fiber and performs softening treatment;
s5: silk feeding and sizing: and (3) removing the softened glass filaments, arranging the glass filaments, guiding the glass filaments into a forming machine, and hot-pressing the glass filaments to form sheets.
2. The glass fiber forming process according to claim 1, wherein: in S1 based on the glass fiber forming process: the raw material treatment steps are as follows:
the first step is as follows: preheating the glass raw material at the preheating temperature of 230-300 ℃ for 2-3 h;
the second step is that: preparing cleaning water, and adding 4-6% of caustic soda and 2-3% of borax by mass into the cleaning water;
the third step: cleaning the glass raw material with cleaning water, cleaning stains on the surface of the glass raw material with caustic soda, greatly cooling the glass raw material cooled with cold water to generate expansion with heat and contraction with cold, causing the glass raw material to be crushed, and guiding out the raw material after two times of cleaning;
the fourth step: the residual heat of the glass raw material evaporates the water to dryness, and the raw material can be heated.
3. The glass fiber forming process according to claim 1, wherein: in S2 based on the glass fiber forming process:
heating in a first stage: introducing the treated glass raw material into a melting furnace, raising the temperature to 1050-;
two-stage heating: after the first-stage heating is finished, the temperature of the smelting furnace is raised to 1300-1450 ℃, the glass raw materials in the smelting furnace are completely smelted, and the molten glass in the smelting furnace is stirred during the second-stage heating, so that bubbles in the molten glass are reduced, and the comprehensive smelting of the glass raw materials is guaranteed.
4. The glass fiber forming process according to claim 1, wherein: in S3 based on the glass fiber forming process:
the molten glass in the melting furnace is led out through the discharge port to form a continuous molten filament shape and is led into the wire drawing roller, the wire drawing roller is driven by the motor to rotate to draw the filament molten glass, the surface of the wire drawing roller is provided with protrusions, the molten glass is drawn at multiple angles, and the rotating speed of the wire drawing roller is 2500-4000 r/min.
5. The glass fiber forming process according to claim 1, wherein: in S4 based on the glass fiber forming process:
after the wire drawing stage is finished, winding the filiform glass on the surface of a wire drawing roller, waiting for 15min, cooling the filiform glass, drawing wires, taking down the filiform glass from the surface of the wire drawing roller, and guiding the wire drawing glass into a softening roller;
the softening roller rotates to soften the filiform glass, and the softening roller is subjected to flame spraying and heating, so that the temperature of the softening roller is raised to 600-750 ℃, and the glass fibers are refined and softened by matching with the rotation of the softening roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210009207.XA CN114349332A (en) | 2022-01-06 | 2022-01-06 | Glass fiber forming processing technology |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210009207.XA CN114349332A (en) | 2022-01-06 | 2022-01-06 | Glass fiber forming processing technology |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1320178A (en) * | 1999-07-23 | 2001-10-31 | 帝人制机株式会社 | Method and device for relaxation-heat-treating thread |
| CN104628249A (en) * | 2014-12-19 | 2015-05-20 | 江门市江海区金达玻璃文化有限公司 | Glass fiber molding technique |
| CN106587742A (en) * | 2016-12-16 | 2017-04-26 | 长安大学 | Method for improving interface adhesion between glass aggregate and asphalt by using nanometer iron oxide |
| 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 |
| CN112573817A (en) * | 2020-11-05 | 2021-03-30 | 河南光远新材料股份有限公司 | Production process of low-bubble low-dielectric glass fiber yarn |
-
2022
- 2022-01-06 CN CN202210009207.XA patent/CN114349332A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1320178A (en) * | 1999-07-23 | 2001-10-31 | 帝人制机株式会社 | Method and device for relaxation-heat-treating thread |
| CN104628249A (en) * | 2014-12-19 | 2015-05-20 | 江门市江海区金达玻璃文化有限公司 | Glass fiber molding technique |
| CN106587742A (en) * | 2016-12-16 | 2017-04-26 | 长安大学 | Method for improving interface adhesion between glass aggregate and asphalt by using nanometer iron oxide |
| 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 |
| CN112573817A (en) * | 2020-11-05 | 2021-03-30 | 河南光远新材料股份有限公司 | Production process of low-bubble low-dielectric glass fiber yarn |
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