Light ceramic and preparation method thereof

A technology of lightweight ceramics and ceramic waste, applied in the field of ceramics, can solve the problems of rapid decrease in fracture load, increase in deformation, and inability to ensure light weight and high compressive strength at the same time, so as to achieve reinforcement to prevent the development of cracks and reduce Weighty, easy-to-shape effect

Pending Publication Date: 2019-02-22
FOSHAN UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing lightweight ceramics often achieve light weight at the same time, the breaking load will drop rapidly, and the degree of deformation will increase significantly, and it is impossible to ensure light weight and high compressive strength at the same time.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A lightweight ceramic, comprising the following raw material components in parts by weight: 25 parts of ceramic waste solids, 10 parts of silicon carbide, 20 parts of kaolin, 15 parts of bentonite, 6 parts of expanded vermiculite, 16 parts of hollow glass microspheres, potassium long 20 parts of albite and 5 parts of albite.

[0022] The preparation method of this lightweight ceramic comprises the following steps:

[0023] S1. After mixing the raw materials according to the formula, after crushing and grinding, pass through a 200-mesh sieve to obtain the mixed material; then put the mixed material into the ball mill, add deionized water twice the total weight of the mixed material, and then use the speed of 200r / min Ball milling for 5 hours, and then passing through a 300-mesh sieve to obtain a slurry;

[0024] S2, the slurry is press-filtered and smelted, and extruded to form a green body;

[0025] S3, drying the green body at 100°C for 5 hours to obtain the primary ...

Embodiment 2

[0028] A lightweight ceramic, comprising the following raw material components in parts by weight: 28 parts of ceramic waste solids, 7 parts of silicon carbide, 22 parts of kaolin, 14 parts of bentonite, 10 parts of expanded vermiculite, 10 parts of hollow glass microspheres, potassium long 24 parts of albite and 6 parts of albite.

[0029] The preparation method of this lightweight ceramic comprises the following steps:

[0030] S1. After mixing the raw materials according to the formula, after crushing and grinding, pass through a 230-mesh sieve to obtain the mixture; then put the mixture into the ball mill, add deionized water 2.5 times the total weight of the mixture, and then use the speed of 250r / min Ball milling for 6 hours, and then passing through a 325-mesh sieve to obtain a slurry;

[0031] S2. The slurry is sprayed and granulated, and dry-pressed to form a green body;

[0032] S3, drying the green body at 110°C for 3 hours to obtain the primary product;

[0033]...

Embodiment 3

[0035] A light ceramic, comprising the following raw material components in parts by weight: 30 parts of ceramic waste solids, 8 parts of silicon carbide, 22 parts of kaolin, 13 parts of bentonite, 8 parts of expanded vermiculite, 11 parts of hollow glass microspheres, potassium long 25 parts of albite and 7 parts of albite.

[0036] The preparation method of this lightweight ceramic comprises the following steps:

[0037] S1. After mixing the raw materials according to the formula, after crushing and grinding, pass through a 250-mesh sieve to obtain the mixture; then add the mixture into a ball mill, add deionized water 3 times the total weight of the mixture, and then use 220r / min Speed ​​ball milling for 8 hours, and then pass through a 400 mesh sieve to obtain a slurry;

[0038] S2, the slurry is press-filtered and smelted, and extruded to form a green body;

[0039] S3, drying the green body at 110° C. for 4 hours to obtain the primary product;

[0040] S4. Carry out s...

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Abstract

The invention discloses light ceramic and a preparation method thereof. The light ceramic is prepared from the following raw material components in parts by weight: 25-35 parts of ceramic solid waste,5-10 parts of silicon carbide, 20-25 parts of kaolin, 10-15 parts of bentonite, 6-12 parts of expanded vermiculite, 8-16 parts of hollow glass microspheres, 20-30 parts of potassium feldspar and 5-10parts of albite. Accordingly, the ceramic is light, high in compressive strength, low in firing temperature and energy-saving.

Description

technical field [0001] The invention relates to the technical field of ceramics, in particular to a lightweight ceramic and a preparation method thereof. Background technique [0002] Ceramics are widely used in food, architectural decoration and other fields because of their hard texture, fineness and high temperature resistance. At present, the use of ceramics is full of all aspects of our lives. Ordinary ceramic products usually have the unique weight of ceramics, which is very inconvenient to use. , and lightweight ceramics have a porous sponge structure, low density, sound insulation, heat insulation and other characteristics, so lightweight ceramics have been widely used in many fields (especially architectural ceramics). However, the existing lightweight ceramics often achieve light weight, while the breaking load will drop rapidly, and the degree of deformation will increase significantly, and it is impossible to ensure light weight and high compressive strength at t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B38/08C04B33/132C04B33/13C04B33/04
CPCC04B33/04C04B33/13C04B33/1324C04B38/08C04B2235/3472C04B2235/36C04B2235/3826C04B2235/6562C04B2235/6567C04B2235/77C04B2235/96C04B38/0067Y02P40/60
Inventor 李玲玲吴斌
Owner FOSHAN UNIVERSITY
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