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Solid waste ceramic tile as well as preparation method and application thereof

A technology for ceramic bricks and ceramic waste, applied in the field of solid waste ceramic bricks and their preparation, can solve the problems of low strength, large shrinkage, limited application of fly ash, etc., and achieves low firing temperature, increased solubility, and low water absorption. Effect

Active Publication Date: 2022-01-18
江西省建筑卫生陶瓷质量监督检验中心
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although fly ash has the above advantages, the fly ash sintered bricks prepared with it as the main raw material generally have problems such as low strength and large shrinkage, which limit the application of fly ash in the preparation of ceramic bricks.

Method used

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  • Solid waste ceramic tile as well as preparation method and application thereof
  • Solid waste ceramic tile as well as preparation method and application thereof
  • Solid waste ceramic tile as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] A preparation method for solid waste ceramic tiles, comprising the steps of:

[0031] (1) Weighing: Weigh raw materials according to the following parts by weight: ceramic waste, 30 parts; fly ash, 25 parts; river silt, 10 parts; magnesite, 10 parts; Binder, 5 parts, spare;

[0032] Among them, the specific surface area of ​​fly ash is 500m 2 / kg; the low-temperature binder is selected from water glass; ceramic waste includes ceramic waste slag and ceramic waste mud, and ceramic waste slag accounts for 60% of the total amount of ceramic waste; ceramic waste and river silt are naturally air-dried and then mechanically ground to particle size ≤200 mesh; particle size of waste glass powder is 0.075mm;

[0033] (2) Mix the ceramic waste, fly ash, river silt, waste glass powder and low-temperature binder with water and stir evenly to obtain material I, and the mass fraction of water in material I is 8%;

[0034] Mixing the weighed magnesite with bittern and stirring evenl...

Embodiment 2

[0039] A preparation method for solid waste ceramic tiles, comprising the steps of:

[0040] (2) Weighing: Weigh raw materials according to the following parts by weight: ceramic waste, 25 parts; fly ash, 20 parts; river silt, 15 parts; magnesite, 8 parts; Binder, 7 parts, spare;

[0041] Among them, the specific surface area of ​​fly ash is 600m 2 / kg; the low-temperature binder is selected from carboxymethyl cellulose; ceramic waste includes ceramic waste slag and ceramic waste mud, and ceramic waste slag accounts for 70% of the total amount of ceramic waste; To particle size ≤ 200 mesh; particle size of waste glass powder is 0.1mm;

[0042] (2) Mix ceramic waste, fly ash, river silt, waste glass powder and low-temperature binder with water and stir evenly to obtain material I, and the mass fraction of water in material I is 6%;

[0043] Mixing the weighed magnesite with bittern and stirring evenly to obtain material II, the mass fraction of bittern in material II is 57%;...

Embodiment 3

[0048] A preparation method for solid waste ceramic tiles, comprising the steps of:

[0049] (3) Weighing: Weigh raw materials according to the following parts by weight: ceramic waste, 28 parts; fly ash, 18 parts; river silt, 17 parts; magnesite, 7 parts; Binder, 6 parts, spare;

[0050] Among them, the specific surface area of ​​fly ash is 500m 2 / kg; the low-temperature binder is selected from carboxymethyl cellulose; ceramic waste includes ceramic waste slag and ceramic waste mud, and ceramic waste slag accounts for 75% of the total amount of ceramic waste; To particle size ≤ 200 mesh; particle size of waste glass powder is 0.075mm;

[0051] (2) Mix ceramic waste, fly ash, river silt, waste glass powder and low-temperature binder with water and stir evenly to obtain material I, and the mass fraction of water in material I is 7%;

[0052] Mixing the weighed magnesite with bittern and stirring evenly to obtain material II, the mass fraction of bittern in material II is 58...

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Abstract

The invention relates to the technical field of solid waste recycling, in particular to a solid waste ceramic tile as well as a preparation method and application thereof. The solid waste ceramic tile is prepared from the following raw materials in parts by weight: 20-30 parts of ceramic waste, 15-25 parts of fly ash, 10-20 parts of river sludge, 5-10 parts of magnesia, 25-30 parts of waste glass powder, and 5-10 parts of a low-temperature binder. According to the invention, the ceramic waste and the fly ash are used as raw materials, so that secondary utilization of the waste is realized, and the solid waste ceramic tile which is excellent in mechanical property and can be applied to ceramic floor tiles is prepared.

Description

technical field [0001] The invention relates to the technical field of solid waste recycling, in particular to a solid waste ceramic brick and its preparation method and application. Background technique [0002] my country is a big country of ceramic production. With the rapid development of social economy and ceramic industry, ceramic industry waste is increasing day by day. Especially in the past 20 years, with the increase of production in ceramic industry, the amount of waste is increasing; ceramic waste is not only harmful to the urban environment. It caused enormous pressure, and also restricted the development of the urban economy and the sustainable development of the ceramic industry; at present, these ceramic wastes are mainly disposed of by landfill, which consumes manpower and material resources, pollutes groundwater quality, and occupies a large amount of land resources . Since the main components of ceramic waste are silicon oxide and aluminum oxide, as well as...

Claims

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Application Information

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IPC IPC(8): C04B33/132C04B33/135C04B33/13C04B33/24
CPCC04B33/1324C04B33/1352C04B33/1321C04B33/131C04B33/1305C04B33/24C04B33/1328C04B2235/3206C04B2235/3427C04B2235/96C04B2235/9692Y02P40/60
Inventor 龚明胡江峰兰书元朱礼兵张鹏曾磊殷敏
Owner 江西省建筑卫生陶瓷质量监督检验中心