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Preparation method of high-strength light-weight refractory material

A light-weight refractory material and high-strength technology, applied in the field of refractory materials, can solve the problems of poor mechanical properties of light-weight refractory materials, and achieve the effects of reducing apparent porosity, dense matrix, and shrinking internal pores

Active Publication Date: 2018-04-27
青岛西海岸高新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Technical problem to be solved by the present invention: Aiming at the problem of poor mechanical properties of lightweight refractory materials, a preparation method of high-strength lightweight refractory materials is provided

Method used

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  • Preparation method of high-strength light-weight refractory material

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example 1

[0020] Take moso bamboo and place it in a flaker, beat it into shavings with a length of 20mm, rinse with clean water for 3 times and then dry them in a drying kiln until the water content is 5% to obtain moso bamboo shavings, collect the moso bamboo shavings and grind them Pass through a 200 mesh sieve to obtain bamboo shavings particles and count in parts by weight, weigh 45 parts of mass fraction 10% sodium hydroxide solution, 10 parts of bamboo shavings particles and 3 parts of urea in a beaker, stir and mix and place- Freeze at 15°C for 3 hours, let it stand at room temperature and filter, collect the filtrate and calculate by weight parts, weigh 45 parts of the filtrate, 1 part of ethyl acetate, 0.5 part of acetic acid and 1.0 part of chloroform In the Erlenmeyer flask, stir and mix and let it stand for solidification for 10 minutes, then collect the filtrate to obtain a gel solution; according to the mass ratio of 1:5, add peach gum powder to the gel solution, stir and m...

example 2

[0022] Take moso bamboo and place it in a flaker, beat it into shavings with a length of 20mm, rinse with clean water for 3 times and then dry them in a drying kiln until the water content is 5% to obtain moso bamboo shavings, collect the moso bamboo shavings and grind them Pass through a 200 mesh sieve to obtain bamboo shavings particles and count in parts by weight, weigh 45 parts of mass fraction 10% sodium hydroxide solution, 10 parts of bamboo shavings particles and 3 parts of urea in a beaker, stir and mix and place- Freeze at 15°C for 3 hours, let it stand at room temperature and filter, collect the filtrate and calculate by weight parts, weigh 45 parts of the filtrate, 1 part of ethyl acetate, 0.5 part of acetic acid and 1.0 part of chloroform In the Erlenmeyer flask, stir and mix and let it stand for solidification for 12min, then collect the filtrate to obtain the gel liquid; according to the mass ratio of 1:5, add the peach gum powder to the gel liquid, stir and mix ...

example 3

[0024] Take moso bamboo and place it in a flaking machine, beat it into 25mm shavings, wash it with water for 4 times and then dry it in a drying kiln until the water content is 7% to get moso bamboo shavings, collect the moso bamboo shavings and grind them Pass through a 200-mesh sieve to obtain bamboo shavings and count in parts by weight, weigh 47 parts of mass fraction 10% sodium hydroxide solution, 12 parts of bamboo shavings and 4 parts of urea in a beaker, stir and mix and place- Freeze at 12°C for 4 hours, let it stand at room temperature and filter, collect the filtrate and calculate by weight parts, weigh 47 parts of the filtrate, 2 parts of ethyl acetate, 0.7 parts of acetic acid and 1.2 parts of chloroform In the Erlenmeyer flask, stir and mix and let it stand for solidification for 12min, then collect the filtrate to obtain the gel liquid; according to the mass ratio of 1:5, add the peach gum powder to the gel liquid, stir and mix to obtain the mixed liquid and cou...

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Abstract

The invention relates to a preparation method of a high-strength light-weight refractory material and belongs to the technical field of refractory material. The method includes the steps of preparinga cellulose gel liquid from moso bamboo fibers, and compounding the cellulose gel liquid with high-viscosity peach gum to prepare composite gel liquid. In the invention, the gel material is filled with expanded perlite granules, so that under a high-temperature calcining environment, the gel lose water to form a solid; meanwhile, the expanded perlite granules continuously increase the volume of the material, so that a plurality of uniform hole structures are formed in the gel granules; finally the gel is calcined in a high temperature environment for being carbonized and is partly decomposed at high temperature, thereby forming the continuous pore structures in an interpenetration manner. Due to the continuous pore structures, mechanical performances of the refractory material are effectively improved, and meanwhile, the material is effectively reduced in density, thus achieving the standard of light-weight materials.

Description

technical field [0001] The invention relates to a preparation method of a high-strength lightweight refractory material, belonging to the technical field of refractory materials. Background technique [0002] Refractories are indispensable basic materials for the manufacture of furnace linings and containers and components used at high temperatures. With the advent of the era of low-carbon economy, refractory materials used as furnace linings play a very important role in the energy saving and emission reduction of industrial furnaces. Lightweight refractory materials are also called thermal insulation refractory materials, which have the characteristics of small bulk density and low thermal conductivity. Therefore, lightweight refractory materials are mostly used in the heat insulation layer of industrial kilns to achieve the purpose of energy saving and emission reduction. Lightweight refractories usually refer to refractory products with a total porosity of not less tha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/66C04B38/06C04B33/135
CPCC04B33/1352C04B35/66C04B38/0645C04B38/0675C04B2235/77C04B2235/96C04B2235/9607C04B38/0067Y02P40/60
Inventor 黄旭东蒋益
Owner 青岛西海岸高新材料有限公司
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