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Formula of material for making high-strength fire-resistant electric furnace insulating mat by hot molding

A technology of hot mold pressing and high strength, which is applied in the field of fireproof insulation materials. It can solve the problems of high-strength fireproof insulation performance and low insulation pad, and achieve good plasticity, good fire resistance and high adhesion.

Inactive Publication Date: 2014-10-01
JIAXING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, metallurgical and non-ferrous metal electric furnaces have high requirements on the comprehensive performance of insulating materials such as mechanical strength, high temperature resistance, and insulation. The insulating mats of the prior art have low comprehensive physical performance indicators such as insulation, temperature resistance, and mechanical strength, and cannot meet high requirements. Requirements for strength fire insulation performance

Method used

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  • Formula of material for making high-strength fire-resistant electric furnace insulating mat by hot molding

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] A material formula suitable for hot molding to make high-strength fire-resistant electric furnace insulation pads, which is mixed with phlogopite powder, talc powder, kaolin, alkali-free glass fiber filaments and binders. In the above mixture: the weight ratio of phlogopite powder 40%, the weight ratio of talcum powder is 23%, the weight ratio of kaolin is 23%, the weight ratio of alkali-free glass fiber filaments is 6%, and the weight ratio of binder is 8%.

Embodiment 2

[0013] A material formula suitable for hot molding to make high-strength fire-resistant electric furnace insulation pads, which is mixed with phlogopite powder, talc powder, kaolin, alkali-free glass fiber filaments and binders. In the above mixture: the weight ratio of phlogopite powder The weight ratio of talcum powder is 26%, the weight ratio of kaolin is 25%, the weight ratio of alkali-free glass fiber filaments is 7%, and the weight ratio of binder is 9%.

Embodiment 3

[0015] A material formula suitable for hot molding to make high-strength fire-resistant electric furnace insulation pads, which is mixed with phlogopite powder, talc powder, kaolin, alkali-free glass fiber filaments and binders. In the above mixture: the weight ratio of phlogopite powder The weight ratio of talcum powder is 27%, the weight ratio of kaolin is 25%, the weight ratio of alkali-free glass fiber filaments is 8%, and the weight ratio of binder is 10%.

[0016] Binding agent is made up of SAR-8 glue, xylene, dehydrated alcohol, ethylenediamine and acetone in the foregoing embodiment, and wherein the weight ratio of SAR-8 glue is 60%, and the weight ratio of xylene is 30%, The weight ratio of absolute alcohol is 4%, the weight ratio of ethylenediamine is 2%, and the weight ratio of acetone is 4%.

[0017] In the above examples, the phlogopite powder is 800 mesh, the talc powder is 600 mesh, the kaolin is 600 mesh, and the alkali-free glass fiber filaments have a diamet...

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Abstract

The invention relates to a formula of a material for making a high-strength fire-resistant electric furnace insulating mat by hot molding, which is formed by mixing phlogopite powder, talcum powder, kaolin, alkali-free glass fiber and an adhesive. The mixture is characterized by comprising the following components in percentage by weight: 30-40% of phlogopite powder, 23-32% of talcum powder, 23-30% of kaolin, 6-10% of alkali-free glass fiber and 8-12% of adhesive. The phlogopite in the material has the characteristic of high melting point; the kaolin has favorable plasticity, high binding property and favorable fire resistance; the talcum powder is beneficial to the shape stability of the product, has favorable flowability, and is convenient for stripping; the alkali-free glass fiber has very high tensile strength; and therefore, the material for making a high-strength fire-resistant electric furnace insulating mat by hot molding has the overall characteristics of the materials above.

Description

technical field [0001] The invention relates to a fireproof insulating material, in particular to a material formula suitable for hot molding to make high-strength fireproof electric furnace insulating pads. Background technique [0002] The safe operation of the electric furnace is closely related to the performance of the insulating material. At present, the insulating pads used in electric furnaces are processed from shellac mica boards and ordinary laminated boards, which can meet the needs of general electric furnaces. However, metallurgical and non-ferrous metal electric furnaces have high requirements on the comprehensive performance of insulating materials such as mechanical strength, high temperature resistance, and insulation. The insulating mats of the prior art have low comprehensive physical performance indicators such as insulation, temperature resistance, and mechanical strength, and cannot meet high requirements. Intensity fire insulation performance req...

Claims

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Application Information

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IPC IPC(8): C08L83/04C08K13/04C08K7/14C08K3/34
Inventor 王国华许聚武
Owner JIAXING UNIV
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