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A kind of high-strength glass fiber and its preparation method

A glass fiber, high-strength technology, applied in glass manufacturing equipment, glass fiber drawing devices, manufacturing tools, etc., can solve problems such as difficulty in supplying raw materials, and achieve the effects of improving yield, uniformity, and melting efficiency.

Active Publication Date: 2019-07-05
清远忠信世纪电子材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0011] In order to solve the above-mentioned problems in the prior art, the present application aims to provide a high-strength glass fiber, which has the characteristics of high mechanical strength and good corrosion resistance, and improves the wear resistance of the glass fiber. The present invention uses The method of using kaolin and silica sand together ensures that SiO in the glass composition 2 and Al 2 o 3 source, improve the quality of glass fiber, and solve the problem of difficult supply of raw materials

Method used

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  • A kind of high-strength glass fiber and its preparation method
  • A kind of high-strength glass fiber and its preparation method
  • A kind of high-strength glass fiber and its preparation method

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Embodiment 1

[0035] Embodiment 1 A kind of high-strength glass fiber and preparation method thereof

[0036] Formula: by weight percentage, the main components include:

[0037] Silica sand 29.33%, kaolin 30.31%, calcite 23.92%, fluorite 2.30%, boronite 13.52%, Glauber's salt 0.27% and soda ash 0.35%.

[0038] Preparation method: the specific steps are:

[0039] (1) Weigh various raw materials according to the formula weight, and after drying, pulverize and pass through a 200-mesh sieve to obtain pulverized materials, and mix the pulverized materials uniformly to obtain mixture A;

[0040] (2) Put the mixture A obtained in the step (1) into the kiln pool at a rate of 0.5 tons / h, burn natural gas to make the mixture A heated and melted into glass liquid in the kiln pool, and the combustion temperature of natural gas is 1600 ° C, in the kiln pool The molten glass forms heat convection due to uneven heating, so that the molten glass is mixed evenly to obtain a uniform molten glass;

[0041...

Embodiment 2

[0042] Embodiment 2 A kind of high-strength glass fiber and preparation method thereof

[0043] Formula: by weight percentage, the main components include:

[0044] Silica sand 32.25%, kaolin 27.39%, calcite 25.76%, fluorite 2.33%, boronite 11.68%, Glauber's salt 0.24% and soda ash 0.35%.

[0045] Preparation method: the specific steps are as follows:

[0046] (1) Weigh various raw materials according to the formula weight, and after drying, pulverize them and pass through 300 sieves to obtain pulverized materials, and mix the pulverized materials uniformly to obtain mixture A;

[0047] (2) Put the mixture A obtained in step (1) into the kiln pool at a rate of 0.5 tons / h, burn natural gas to make the mixture A heated and melted into glass liquid in the kiln pool, and the combustion temperature of natural gas is 1800 ° C, in the kiln pool The molten glass forms heat convection due to uneven heating, so that the molten glass is mixed evenly to obtain a uniform molten glass;

...

Embodiment 3

[0049] Embodiment 3 A kind of high-strength glass fiber and preparation method thereof

[0050] Formula: by weight percentage, the main components include:

[0051] Silica sand 30.36%, kaolin 29.12%, calcite 24.86%, fluorite 2.56%, boronite 12.46%, Glauber's salt 0.30% and soda ash 0.34%.

[0052] Preparation method: the specific steps are as follows:

[0053] (1) Weigh various raw materials according to the formula weight, and after drying, pulverize them and pass through 200 sieves to obtain pulverized materials, and mix the pulverized materials uniformly to obtain mixture A;

[0054] (2) Put the mixture A obtained in the step (1) into the kiln at a rate of 0.5 tons / h, burn natural gas to make the mixture A heated and melted into glass liquid in the kiln, and the combustion temperature of natural gas is 2000 ° C, in the kiln The molten glass forms heat convection due to uneven heating, so that the molten glass is mixed evenly to obtain a uniform molten glass;

[0055] (3)...

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Abstract

The invention discloses a high strength glass fiber. The high strength glass fiber mainly comprises, by weight, silica sand, kaolin, calcite, fluorite, calciborite, mirabilite, and sodium carbonate. The invention provides a glass fiber raw material formula can be used for replacing pyrophyllite. Glass material preparation uniformity is increased obviously through reasonable control on the mass ratio of a plurality of raw materials, melting efficiency is increased, glass fiber finished product rate is increased, the prepared glass fiber is better in mechanical properties, and production cost isreduced. The invention also provides a preparation method of the glass fiber. No stirring is needed; glass liquid is mixed to be uniform by heat convection in a bath tank, and is used for preparationof glass fiber. The glass fiber prepared based on the formula and the preparation method is high in finished product rate, and excellent in corrosion resistance.

Description

technical field [0001] The invention belongs to the technical field of glass preparation, and in particular relates to a high-strength glass fiber and a preparation method thereof. Background technique [0002] Glass is formed by melting silicon dioxide and other chemicals together (the main production materials are: soda ash, limestone, quartz). A silicate-based non-metallic material that forms a continuous network structure during melting, and gradually increases in viscosity and hardens during cooling to cause it to crystallize. The chemical composition of ordinary glass is Na 2 SiO 3 , Ca 2 SiO 3 , SiO 2 or Na 2 O CaO 6SiO 2 etc., the main component is silicate double salt, which is an amorphous solid with irregular structure. Widely used in buildings, used for wind and light transmission, belongs to the mixture. [0003] In the daily life of modern people, glass products are an indispensable thing, and various glass products can be seen everywhere in supermarke...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C13/00C03B37/022
CPCC03B37/022C03B2205/55C03C13/00
Inventor 张国平
Owner 清远忠信世纪电子材料有限公司
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