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Fiber-reinforced composite bearing thermal-insulation board and preparation method thereof

A fiber-reinforced composite and thermal insulation board technology, applied in the field of inorganic non-metallic materials, can solve the problems of short life, low strength, easy cracking, etc., and achieve the effect of improving service life and convenient installation and use

Active Publication Date: 2016-07-06
LUOYANG SIGMA FURNACE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the problems of low strength, easy cracking and short life in the combination structure of the heating plate and heat insulation plate made of ordinary refractory materials in the above-mentioned prior art, the present invention provides a fiber-reinforced composite pressure-bearing heat preservation plate and its Preparation

Method used

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  • Fiber-reinforced composite bearing thermal-insulation board and preparation method thereof

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Embodiment 1

[0024] A method for preparing a fiber-reinforced composite pressure-bearing insulation board, comprising the following steps:

[0025] Step 1: Take 70 parts of castable, 6 parts of additive, 5 parts of binder, 10 parts of alumina fiber and 0.1 part of carbon fiber according to the ratio of parts by weight. After fully stirring, the mixed castable is put into the mold, and vibrated The castable obtained by machine vibration, and the round rods are arranged in parallel in the horizontal direction in the castable; the aluminum oxide content in the castable is 95%, the main component of the additive is activated silica ultrafine powder, and the main component of the binder is cement;

[0026] Step 2: Take 70 parts of castable, 6 parts of additive, 5 parts of binder, 10 parts of alumina fiber, 0.1 part of carbon fiber and 10 parts of steel fiber according to the ratio of parts by weight. After fully stirring, continue to spread in the mold For the upper part, use a vibrator to vibr...

Embodiment 2

[0031] A method for preparing a fiber-reinforced composite pressure-bearing insulation board, comprising the following steps:

[0032] Step 1: Take 95 parts of castables, 0.1 parts of additives, 5 parts of binders, 0.1 parts of alumina fibers and 10 parts of carbon fibers according to the ratio of parts by weight. After fully stirring, the mixed castables are put into the mold. The castable obtained by machine vibration, and the round rods are arranged in parallel in the horizontal direction in the castable; the alumina content in the castable is 50%, the main component of the additive is activated silica ultrafine powder, and the main component of the binder is silicic acid aluminum;

[0033] Step 2: Take 95 parts of castable, 0.1 part of additive, 5 parts of binder, 0.1 part of alumina fiber, 10 parts of carbon fiber and 0.1 part of steel fiber according to the ratio of parts by weight. After fully stirring, continue to spread in the mold For the upper part, use a vibrator ...

Embodiment 3

[0038] A method for preparing a fiber-reinforced composite pressure-bearing insulation board, comprising the following steps:

[0039] Step 1: Take 85 parts of castable, 3 parts of additive, 2 parts of binder, 5 parts of alumina fiber and 5 parts of carbon fiber according to the ratio of parts by weight. After fully stirring, the mixed castable is put into the mold, and vibrated The castable obtained by machine vibration, and the round rods are arranged in parallel in the horizontal direction in the castable; the alumina content in the castable is 75%, the main component of the additive is activated silica ultrafine powder, and the main component of the binder is silicic acid aluminum;

[0040] Step 2: Take 85 parts of castable, 3 parts of additive, 2 parts of binder, 5 parts of alumina fiber, 5 parts of carbon fiber and 5 parts of steel fiber according to the ratio of parts by weight. After fully stirring, continue to spread in the mold For the upper part, use a vibrator to ...

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Abstract

The invention relates to a fiber-reinforced composite bearing thermal-insulation board and a preparation method thereof. The preparation method comprises the following steps: sufficiently stirring a castable, an additive, an adhesive, aluminum oxide fibers and carbon fibers, and casting to obtain the heated side of the composite bearing thermal-insulation board; sufficiently stirring a castable, an additive, an adhesive, aluminum oxide fibers, carbon fibers and steel fibers, casting to obtain the cooled side of the composite bearing thermal-insulation board; and casting the heated side and the cooled side into an integral structure, thereby implementing gradient thermal conductivity design. The method can satisfy the functional requirements for bearing and thermal insulation, avoids cracking rejection caused by the uneven or deformed junction surface when the heating board and heat insulating board are combined for use at present, and prolongs the service life of the thermal-insulation board.

Description

technical field [0001] The invention relates to the field of inorganic non-metallic materials, in particular to a fiber-reinforced composite pressure-bearing insulation board and a preparation method thereof. Background technique [0002] Titanium alloys, aluminum-lithium alloys and other high-strength steels and heat-resistant alloys are widely used at present. Using superplastic high-temperature hot pressing to mold the above-mentioned special-shaped plates can improve material plasticity, reduce deformation resistance, eliminate residual stress, and stabilize material structure. and many other advantages. The equipment used for high-temperature hot-press forming is generally a four-column hydraulic press. The fiber-reinforced gradient composite pressure-bearing insulation board is located between the press table and the forming mold, and is responsible for heating the mold and transmitting pressure, while minimizing heat to the press. The transmission of the working plat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/80C04B35/76C04B35/63C04B35/10
CPCC04B35/10C04B35/6303C04B35/76C04B35/803C04B2235/3418C04B2235/5224C04B2235/5248
Inventor 李县辉李豪周森安安俊超蒋磊
Owner LUOYANG SIGMA FURNACE