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Novel environment-friendly aluminum oxide refractory fiber and preparation method thereof

A technology of refractory fiber and alumina, which is applied in the field of refractory fiber, can solve the problems of alumina refractory fiber polluting the environment and not having antistatic properties, and achieve the effects of easy control of parameters, increasing enterprise benefits, and expanding application fields

Inactive Publication Date: 2018-05-29
长兴科创科技咨询有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the problems that the existing alumina refractory fiber pollutes the environment and does not have antistatic properties, the present invention provides a new type of environmentally friendly alumina refractory fiber with antistatic properties

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Prepare the antistatic composite binder for use according to the following proportions: phenolic resin 7g, dehydrated alcohol 5g, 0.05g of H 2 N-CH 2 -CH 2 -SO 3 H and polyethylene oxide 0.15g;

[0031] (1) Weigh 65g of alumina, 30g of magnesia, 10g of titanium dioxide and 4g of diyttrium trioxide according to the following ratio, heat it at 200°C for 1 hour, blend and pulverize to obtain the main material with a particle size of 150 mesh;

[0032] (2) Slowly add 12.2g of antistatic composite binder to the main material, put the evenly mixed mixture into a melting furnace and heat it to 1500°C to obtain a molten liquid;

[0033] (3) Filtrate the impurities in the molten liquid, and the filtrate flows into a stirred reactor at 1800°C and stirs continuously to obtain a spinning solution;

[0034] (4) The spinning liquid flows out from the discharge port, enters the centrifugal head and sprays out through the fine holes of the centrifugal head. The centrifugal speed of...

Embodiment 2

[0036] Prepare the antistatic composite binder according to the following proportions: phenolic resin 8g, absolute ethanol 6g, 0.1g of NH 2 OH, polyether ester amide 0.1g and 0.1g carboxybetaine graft copolymer;

[0037] (1) Weigh 75g of alumina, 50g of magnesia, 15g of titanium dioxide and 8g of diyttrium trioxide according to the following proportions, heat it at 400°C for 2 hours, blend and pulverize to obtain the main material with a particle size of 240 mesh;

[0038] (2) Slowly add 14.3g of antistatic composite binder into the main material, put the evenly mixed mixture into a melting furnace and heat it to 1500°C to obtain a molten liquid;

[0039] (3) Filter the impurities in the molten liquid, and the filtrate flows into a stirred reactor at 1950°C and stirs continuously to obtain a spinning solution;

[0040](4) The spinning liquid flows out from the discharge port, enters the centrifugal head and sprays out through the fine holes of the centrifugal head. The centri...

Embodiment 3

[0042] Prepare the antistatic composite binder for use according to the following proportions: phenolic resin 7.5g, absolute ethanol 5.5g, 0.03g of NH 2 OH and 0.07g H 2 N-CH 2 (COOH), carboxyl betaine graft copolymer 0.18g;

[0043] (1) Weigh 70g of alumina, 40g of magnesia, 12g of titanium dioxide and 6g of diyttrium trioxide according to the following ratio, heat it at 300°C for 1.5h, blend and pulverize to obtain the main material with a particle size of 200 mesh;

[0044] (2) Slowly add 13.28g of antistatic composite binder into the main material, and put the evenly mixed mixture into a melting furnace and heat it to 1500°C to obtain a molten liquid;

[0045] (3) Filtrate the impurities in the molten liquid, and the filtrate flows into a stirred reactor at 1900°C and stirs continuously to obtain a spinning solution;

[0046] (4) The spinning liquid flows out from the discharge port, enters the centrifugal head and sprays out through the fine holes of the centrifugal he...

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Abstract

The invention relates to the technical field of refractory fibers, in particular to a novel environment-friendly aluminum oxide refractory fiber. The novel environment-friendly aluminum oxide refractory fiber is prepared from the following raw materials in parts by weight: 65-75 parts of aluminum oxide, 30-50 parts of magnesium oxide, 10-15 parts of titanium dioxide, 4-8 parts of yttria, and 12.2-14.3 parts of an anti-electrostatic combined binder. According to the novel environment-friendly aluminum oxide refractory fiber, the formaldehyde catching agent containing anti-electrostatic combinedbinder is added and capable of decreasing free aldehyde content in the refractory fiber, so that the refractory fiber is green, environmentally friendly and anti-electrostatic; the preparation processes are simple; the parameters are easily controlled; the applicable fields are increased. Therefore, the enterprise benefit is increased.

Description

technical field [0001] The invention relates to the technical field of refractory fibers, in particular to a novel environmentally friendly alumina refractory fiber with antistatic properties and a preparation method thereof. Background technique [0002] Refractory fiber is soft and elastic, and it is also an ideal sealing material. Due to its insulation, oxidation resistance, oil resistance and water resistance, and convenient construction, it is widely used in metallurgy, building materials, petroleum, chemical industry, shipbuilding, electric power, aerospace and other fields. In addition to the advantages of high strength, high modulus, low thermal conductivity, low thermal expansion coefficient, chemical corrosion resistance, extraordinary heat resistance, and high temperature oxidation resistance of ordinary ceramic fibers, alumina fibers also have low raw material costs. , simple production process, etc., have high cost performance and commercial value, and are widel...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D01F9/08D01F1/09
CPCD01F9/08D01F1/09
Inventor 赵志云
Owner 长兴科创科技咨询有限公司
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