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Ceramic fibre thermal-insulating boara and making method thereof

A ceramic fiber and thermal insulation board technology, applied in thermal insulation, building components and other directions, can solve the problems of geometric size deviation, poor thermal insulation performance, etc., and achieve the effect of small construction gap, improved mechanical performance, and smooth wall surface.

Inactive Publication Date: 2002-12-18
LUYANG ENERGY SAVING MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the vacuum forming method, there is still a certain deviation in the geometric dimensions of the finished product, and the thermal insulation performance is slightly poor

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0010] Example 1 Take 40.0kg of aluminum silicate ceramic fiber, add 0.5kg of polyacrylamide, 20.0kg of ordinary Portland cement, 20.0kg of silica powder and water, fully stir, mix and make pulp, and then use mechanical extrusion molding method to produce The wet billet comes out, and the wet billet is dried at a temperature of about 100°C for more than 24 hours, and the finished product is obtained after removing moisture.

Embodiment 2

[0011] Example 2 Take 40.0 kg of aluminum silicate ceramic fiber, add 0.5 kg of cationic starch, 20.0 kg of silica sol, 20.0 kg of expanded silica powder and water, fully stir, mix and make pulp, and then use mechanical extrusion to produce a wet billet , The wet billet is dried at a temperature of about 150°C for more than 24 hours, and the finished product is obtained after removing moisture.

Embodiment 3

[0012] Example 3 Take 40.0 kg of aluminum silicate ceramic fiber, add 0.5 kg of carboxymethyl cellulose, 20.0 kg of aluminum sol, 20.0 kg of expanded perlite powder and water, fully stir, mix and make pulp, and then use mechanical extrusion molding method The wet billet is produced, and the wet billet is dried at a temperature of about 120°C for more than 48 hours, and the finished product is obtained after removing moisture.

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PUM

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Abstract

The ceramic fibre heat-insulating board is made up by using ceramic fiber, inorganic binding agent, organic binding agent and additive according to the weight ratio of 40-60:20-30:0.5-1.5:20-30. Its preparation method includes the following steps: using ceramic fibre as base material, adding inorganic binding agent, organic binding agent, additive and water, fully making pulp, adopting mechanicalextrusion forming process or manual forming process to produce wet blank, and drying treatment at 100-150 deg.C so as to obtain the invented heat-insualting board which is high mechanical property and heat-insulating property, can be used as back liner of permanent furnace lining of various kiln and furnaces.

Description

technical field [0001] The invention belongs to the field of bulk refractory materials without clay, and in particular relates to a thermal insulation board with ceramic fiber as a matrix. Background technique [0002] Due to the limitations of the production process, the ceramic fiber insulation board in the prior art has an uneven surface and is orange-peel-like. Due to the interweaving of fibers during processing, the mechanical processing ability is poor, and it is difficult for general processing machinery to meet the requirements. In addition, since the product is produced and formed in the mold, it is easy to produce geometric deformation of the product when demoulding. Although the lining can be repaired, the surface is still uneven. During construction, due to the inaccurate geometric dimensions of the product, uneven walls after construction, large construction gaps, high thermal conductivity, and increased application of unshaped materials such as construction adh...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/00
CPCC04B28/00
Inventor 鹿成会刘超李京友张迎新
Owner LUYANG ENERGY SAVING MATERIALS CO LTD
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