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Raw material batch for preparing magma rock fibers and preparation method of magma rock fibers

A technology of magmatic rock and batching materials, which is applied in the field of raw material batching materials for preparing magmatic rock fibers and the preparation of magmatic rock fibers. Problems such as rock fiber and pure natural magmatic rock melt have poor heat permeability, so as to reduce production costs, facilitate large-scale and stable industrial production, and improve wire drawing performance.

Active Publication Date: 2020-08-11
SOUTHWEAT UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] At present, there are still some problems to be solved in the production of continuous magmatic rock fibers, such as poor thermal permeability of pure natural magmatic rock melt, high upper limit temperature of crystallization and easy crystallization, and short material properties. Therefore, the production process of magmatic rock fiber has certain advantages. Difficulty in fiber formation, strict process control conditions, and high equipment adaptability require strict screening of natural magmatic rock minerals and components, and it is difficult to design the chemical composition and main mineral components of prepared magmatic rock fiber materials. Facilitate the realization of large-scale and stable industrial production
[0012] In the prior art, there is no literature report on the use of industrial solid waste gasification slag as a raw material for the preparation of magmatic rock fibers

Method used

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Examples

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Effect test

Embodiment 1

[0050] A raw material batch for preparing magmatic rock fibers and a preparation method for magmatic rock fibers. According to the weight percentage, 90% of magmatic rock 3 and 10% of gasification slag 2 are evenly mixed, and after grinding, they are passed through an 80-mesh sieve to produce It is used to produce the raw material batch of magma rock fiber; the main chemical composition and weight percentage of the raw material batch are: SiO 2 53.58%, A1 2 o 3 15.24%, Fe 2 o 3 +FeO 10.23%, CaO 8.71%, MgO 4.86%, Na 2 O+K 2O 4.09%, TiO 2 1.54%, the remaining 1.75% (mainly a small amount of Mn, P, S, Ba, Sr, Zr, Cu, Zn, Nb, Rb, Y, Pr, La, Ni, Lu, Mo, Nd, Sc, Ta, Tb , W, Th, U, Tm, etc., ten or more compounds); the raw materials were melted at 1440°C for 20 hours, and then drawn at 1240°C with a single-hole platinum wire drawing furnace to obtain a magma rock with a diameter of 10 μm fiber; the tensile strength of the new ecological original silk of magmatic rock fiber i...

Embodiment 2

[0052] A raw material batch for preparing magmatic rock fibers and a preparation method for magmatic rock fibers, in which 50% of magmatic rock 4 and 50% of gasification slag 2 are evenly mixed according to the weight percentage, and after grinding, they are passed through an 80-mesh sieve to produce It is used to produce the raw material batch of magma rock fiber; the main chemical composition and weight percentage of the raw material batch are: SiO 2 50.01%, A1 2 o 3 17.41%, Fe 2 o 3 +FeO 10.41%, CaO 9.84%, MgO 4.44%, Na 2 O+K 2 O 3.22%, TiO 2 2.11%, the remaining 2.56% (mainly a small amount of Mn, P, S, Ba, Sr, Zr, Cu, Zn, Nb, Rb, Y, Pr, La, Ni, Lu, Mo, Nd, Sc, Ta, Tb , W, Th, U, Tm, etc., ten or more compounds); the raw materials were melted at 1440°C for 20 hours, and then drawn at 1240°C with a single-hole platinum wire drawing furnace to obtain a magma rock with a diameter of 10 μm Fiber; the tensile strength of the new ecological original silk of magmatic roc...

Embodiment 3

[0054] A raw material batch for preparing magmatic rock fibers and a preparation method for magmatic rock fibers, in which 60% of magmatic rock 1, 20% of gasification slag 1, and 20% of diopside are uniformly mixed according to weight percentage, and after grinding Cross 80 mesh sieves to make the raw material batch for producing magmatic rock fiber; the main chemical composition and weight percentage of the raw material batch are: SiO 2 63.93%, A1 2 o 3 14.17%, Fe 2 o 3 +FeO 4.91%, CaO 6.55%, MgO 3.10%, Na 2 O+K 2 O 5.10%, TiO 2 0.47%, the remaining 1.78% (mainly a small amount of Mn, P, S, Ba, Sr, Zr, Cu, Zn, Nb, Rb, Y, Pr, La, Ni, Lu, Mo, Nd, Sc, Ta, Tb , W, Th, U, Tm, etc., ten or more compounds); the raw materials were melted at 1500°C for 7 hours, and drawn at 1290°C with a single-hole platinum wire drawing furnace to obtain a magma rock with a diameter of 10 μm fiber; the tensile strength of the new ecological original silk of magmatic rock fiber is 4812MPa.

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Abstract

The invention discloses a raw material batch for preparing magma rock fibers and a preparation method of the magma rock fibers. The raw material batch is characterized in that the raw material batch is a raw material batch which is used for producing magma rock fibers and is prepared by uniformly mixing 50-90% of magma rock, 10-50% of gasification furnace slag and 0-30% of auxiliary raw materialsin percentage by weight and grinding the mixture until the particle size is smaller than 80 meshes; the preparation method of the magma rock fiber comprises the following steps: heating the raw material batch to 1420-1500 DEG C, melting for 7-24 hours, and drawing to obtain the magma rock fiber. With application of the method, the raw materials are rich in resource and easy to obtain, industrial solid waste gasification slag is fully utilized, waste is turned into wealth, and the production cost is reduced; the auxiliary raw materials facilitate the design of chemical components and main mineral components of the prepared magma rock fiber material, improve the melting property of the glass, are beneficial to fiber forming and wiredrawing performance improvement, are more suitable for wiredrawing operation, are convenient for large-scale stable industrial production, and are high in practicability.

Description

technical field [0001] The invention belongs to the resource utilization of industrial solid waste and the preparation of fibers, and relates to a raw material batch for preparing magma rock fibers and a preparation method of magma rock fibers. The raw material batching material for preparing magmatic rock fibers in the present invention is especially suitable for the industrial production of magmatic rock fibers. The prepared magmatic rock fibers are an inorganic non-metallic material with excellent performance and green environmental protection, and can be widely used in fiber reinforced composite materials and friction materials. , heat insulation materials, high temperature filter fabrics and protection, shipbuilding, automobiles, water conservancy and hydropower, road transportation, national defense and military industries and other fields. Background technique [0002] With the development of society and economy, my country's coal chemical industry maintains a rapid g...

Claims

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Application Information

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IPC IPC(8): C03C13/06C03B37/00
CPCC03C13/06C03B37/00Y02W30/91
Inventor 霍泳霖霍冀川
Owner SOUTHWEAT UNIV OF SCI & TECH
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