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A method for producing glass fiber by using spodumene slag as flux clarifying agent

A glass fiber and spodumene technology, applied in glass manufacturing equipment, manufacturing tools, etc., can solve the problems of glass fiber deliquescent agglomeration, high cost, and high production difficulty

Active Publication Date: 2021-05-18
NEIJIANG HUAYUAN ELECTRONICS MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of the above-mentioned prior art, the technical problem to be solved in the present invention is to provide a method for producing glass fibers using spodumene slag as a flux clarifying agent, so as to solve the problems of deliquescent agglomeration, high cost and high cost of glass fibers in the process of making. Technical problems with high production difficulty

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Weigh the raw materials with the total weight of the raw materials as 100kg, the required amount of each raw material is: kaolin: 12kg, of which: SiO 2 ≥45%, Al 2 o 3 ≥33%, Fe 2 o 3 ≤0.9%, H 2 O≤1%; pyrophyllite: 31kg, of which: SiO 2 ≥72%, Al 2 o 3 ≥16.5%, Fe 2 o 3 ≤0.50%, H 2 O≤1%; quicklime: 17kg, of which: CaO≥88%, Fe 2 o 3 ≤0.30%, MgO≤3%, H 2 O≤1%; Dolomite: 6kg, of which CaO≥30%, Fe 2 o 3 ≤0.12%, MgO≤19.5%, H 2 O≤1%; colemanite: 6kg, of which CaO≥28%, Fe 2 o 3 ≤0.10%, SiO 2 ≤6.5%, B 2 o 3 ≥40%, H 2 O≤1%; leucoporite: 25kg, of which SiO 2 ≥82%, Al 2 o 3 ≥11%, Fe 2 o 3 ≤0.50%, H 2 O≤1%; Fluorite: 2kg, of which: CaF 2 ≥90%, H 2 O≤1%; industrial spodumene slag 1kg, of which SiO 2 ≥55%, Al 2 o 3 ≥21%, Fe2 o 3 ≤0.9%, SO 3 ≥5.5,H 2 O≤1%; the above percentages are mass percentages.

[0033] Before weighing, the composition content of CaO in quicklime should be detected every day, and the lime ratio should be adjusted according to the con...

Embodiment 2

[0042] Weigh the raw materials with the total weight of the raw materials as 100kg, the required amount of each raw material is: kaolin: 10kg, of which: SiO 2 ≥45%, Al 2 o 3 ≥33%, Fe 2 o 3 ≤0.9%, H 2 O≤1%; pyrophyllite: 37kg, of which: SiO 2 ≥72%, Al 2 o 3 ≥16.5%, Fe 2 o 3 ≤0.50%, H 2 O≤1%; quicklime: 20kg, of which: CaO≥88%, Fe 2 o 3 ≤0.30%, MgO≤3%, H 2 O≤1%; Dolomite: 5kg, of which CaO≥30%, Fe 2 o 3 ≤0.12%, MgO≤19.5%, H 2 O≤1%; colemanite: 7kg, of which CaO≥28%, Fe 2 o 3 ≤0.10%, SiO 2 ≤6.5%, B 2 o 3 ≥40%, H 2 O≤1%; leucoporite: 15kg, of which SiO 2 ≥82%, Al 2 o 3 ≥11%, Fe 2 o 3 ≤0.50%, H 2 O≤1%; Fluorite: 3kg, of which: CaF 2 ≥90%, H 2 O≤1%; industrial spodumene slag 3kg, of which SiO 2 ≥55%, Al 2 o 3 ≥21%, Fe 2 o 3 ≤0.9%, SO 3 ≥5.5,H 2 O≤1%; the above percentages are mass percentages.

[0043] Before weighing, the composition content of CaO in quicklime should be detected every day, and the lime ratio should be adjusted according to the c...

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Abstract

The invention discloses a method for producing glass fiber by using spodumene slag as a fluxing and clarifying agent, which comprises the steps of weighing, batching, melting, passing through, wire drawing, drying and the like; the components are weighed according to the following parts by weight: Kaolin: 100-120, pyrophyllite: 150-410, quicklime: 150-200, dolomite: 50-70, colemanite: 50-70, leucolite: 130-310, fluorite: 20-30, lithium 10-30 parts of pyroxene slag, the sum of parts by weight of each component is 1000. The present invention uses spodumene slag as a melting flux clarifying agent, which can prevent deliquescent agglomeration of the prepared glass fiber, and the spodumene slag can reduce the refractoriness of kaolin, and does not need to keep the melting temperature stable, thus reducing industrial production. difficulty. Adopting the method provided by the invention to produce glass fiber not only reduces the cost, but also reduces the environmental pollution caused by slag, and has good economic and social benefits.

Description

technical field [0001] The invention belongs to the technical field of glass fiber manufacture, and in particular relates to a method for producing glass fiber by using spodumene slag as a melting flux clarifying agent. Background technique [0002] Glass fiber is an inorganic non-metallic material with excellent performance, which has the advantages of good insulation, strong heat resistance, good corrosion resistance and high mechanical strength. The glass fiber is usually used as reinforcing material, electrical insulation and heat insulation materials in composite materials, and it is widely used in various fields of national economy. [0003] At present, my country's glass fiber industry mainly adopts the pool kiln wire drawing production process. When glass fiber is produced by this process, the main raw material for fluxing and clarifying agent is Glauber's salt. When Glauber's salt is used as a fluxing and clarifying agent, because of its raw material characteristic...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C1/00C03C13/00C03B37/022C03B37/07C03C25/30C03C25/326C03C25/36
CPCC03B37/022C03B37/07C03C1/00C03C13/00C03C25/30C03C25/326C03C25/36
Inventor 刘钢刘术明陈锐罗彬孙智
Owner NEIJIANG HUAYUAN ELECTRONICS MATERIALS
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