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Lightweight foamed ceramic material and preparation method thereof

A technology of ceramic materials and lightweight foam, applied in the production of ceramic materials, ceramic products, clay products, etc., can solve the problems of unreachable materials, low thermal conductivity, large industrial energy consumption, etc. Simple, easy-to-use effects

Inactive Publication Date: 2018-02-09
TANGSHAN IND VOCATIONAL TECHN COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In short, there are still some deficiencies in the preparation of lightweight ceramic foam materials from ceramic waste as the main raw material: such as high industrial energy consumption, and the prepared materials cannot achieve low bulk density (less than 0.4g / cm 3 ), low thermal conductivity (less than 0.15W / (m k)), high compressive strength (greater than 5MPa) and other performance requirements

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] After the waste ceramics are crushed, ball milled, passed through a 100-mesh sieve, and set aside. Pass the fly ash and kaolin directly through a 100 sieve for later use. Weigh and mix uniformly according to the following mass percentages: fly ash 43%, waste ceramics 28%, kaolin 28%, sodium silicate 1%, plus 3% of the total weight of raw materials polyurethane foam ball particles, plus 40% of water, ball mill Mix well to make a mix.

Embodiment 2

[0029] After the waste ceramics are crushed, ball milled, passed through a 100-mesh sieve, and set aside. Pass the fly ash and kaolin directly through a 100 sieve for later use. Weigh and mix evenly by ball milling according to the following mass percentages: 50% fly ash, 24% waste ceramics, 24.5% kaolin, 1.5% sodium silicate, plus 4% polyurethane foam ball particles by total weight of raw materials, plus 50% water, ball mill Mix well to make a mix.

Embodiment 3

[0031] After the waste ceramics are crushed, ball milled, passed through a 100-mesh sieve, and set aside. Pass the fly ash and kaolin directly through a 100 sieve for later use. Weigh and mix evenly according to the following mass percentages: 45% fly ash, 30% waste ceramics, 25% kaolin, 2% sodium silicate, plus 4% of the total weight of raw materials polyurethane foam ball particles, plus 45% water, ball mill Mix well to make a mix.

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Abstract

The invention discloses a lightweight foamed ceramic material and a preparation method thereof. The preparation method is characterized by comprising the following steps: weighing the following components in percentage by mass: 20-70% of fly ash, 10-60% of waste ceramics, 10-40% of kaolin, 1-20% of sodium silicate, 3-35% of polyurethane foam ball particles and the balance of water; grinding the weighed waste ceramics, ball-milling, passing through a 100-mesh sieve, ball-milling and mixing with the fly ash, kaolin, sodium silicate and water, adding the polyurethane foam ball particles to be uniformly stirred, molding and drying, arranging in a high-temperature electric resistance furnace, heating for 1-3 hours to raise the temperature to 400 DEG C, heating for 2-5 hours to raise the temperature to 800-1000 DEG C, heating for 1-3 hours to raise the temperature to 1050-1200 DEG C, maintaining the temperature for 10-60 minutes, naturally cooling to a room temperature, and delivering out ofthe kiln, thereby obtaining the product. Two industrial solid wastes are fully utilized to prepare the foamed ceramic material, and the total introduction amount of the solid wastes reaches 70-80%.

Description

technical field [0001] The invention relates to the field of foam ceramic preparation, in particular to a lightweight foam ceramic material and a preparation method thereof. Background technique [0002] With the rapid development of social economy and ceramic industry, ceramic industry waste is increasing day by day, which not only puts great pressure on the urban environment, but also limits the development of urban economy and the sustainable development of ceramic industry, so the treatment and utilization of ceramic industry waste is very important. important. At present, the treatment and utilization of ceramic industry waste in my country is relatively low, and a large amount of waste slag occupies cultivated land, polluting water and air. With the increase of the output of the ceramic industry, the amount of waste is increasing. According to incomplete statistics, the annual output of ceramic waste in the country is estimated to be about 10 million tons. Such a larg...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B33/13C04B33/132C04B33/135C04B38/06
CPCC04B33/131C04B33/1324C04B33/1352C04B38/067C04B2235/3427Y02P40/60
Inventor 杨永红张冬梅华芳王海青于晓东
Owner TANGSHAN IND VOCATIONAL TECHN COLLEGE