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Red mud permeable brick and method for preparing same

A technology of permeable bricks and red mud, applied in ceramic products, other household appliances, applications, etc., can solve problems such as pollution, and achieve the effects of avoiding environmental pollution, low production costs, and rich surface colors

Pending Publication Date: 2017-09-05
山东利晟透水材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The invention can not only fundamentally solve the problem of red mud pollution, but also provide urgently needed permeable materials for the construction of sponge cities

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A red mud permeable brick, comprising the following components in parts by weight: 125 parts of red mud aggregate, 8 parts of bentonite, 15 parts of waste tile powder, 10 parts of glass powder, 2 parts of additives, and 8 parts of body coloring material.

[0029] Preferably, the red mud aggregate includes the following components in parts by weight: 50 parts of red mud, 25 parts of fly ash, and 10 parts of bentonite.

[0030] Preferably, the waste ceramic tile powder is 8 mesh, and the additives include flux and adhesive.

[0031] Preferably, the binder is one or more of natron and cellulose hydrate, and the flux is carbonate.

[0032] Preferably, the red mud is the red mud processed by direct reduction technology for iron extraction.

[0033] As a preference, the green body coloring material may include ceramic iron oxide red pigment, and the ceramic iron oxide red pigment is prepared by the following method: the red mud is subjected to iron extraction treatment by di...

Embodiment 2

[0035] A red mud permeable brick, comprising the following components in parts by weight: 155 parts of red mud aggregate, 30 parts of bentonite, 25 parts of waste tile powder, 20 parts of glass powder, 10 parts of additives, and 12 parts of body coloring material.

[0036] Preferably, the red mud aggregate includes the following components in parts by weight: 65 parts of red mud, 35 parts of fly ash, and 15 parts of bentonite.

[0037] Preferably, the waste ceramic tile powder is 20 mesh, and the additives include flux and adhesive.

[0038] Preferably, the binder is one or more of natron and cellulose hydrate, and the flux is carbonate.

[0039] Preferably, the red mud is the red mud processed by direct reduction technology for iron extraction.

[0040] As a preference, the green body coloring material may include ceramic iron oxide red pigment, and the ceramic iron oxide red pigment is prepared by the following method: the red mud is subjected to iron extraction treatment b...

Embodiment 3

[0042] A preparation method of red mud permeable brick, comprising the following steps:

[0043] (1) Preparation of red mud aggregate: After weighing the raw materials red mud, bentonite and fly ash according to the formula requirements, add 10% water by weight and stir evenly, stale for 10 hours, and extrude mud sticks on the extruder , dried for 12 hours, crushed and sieved, and sintered at 1000°C for 3 hours to obtain red mud aggregate, which was cooled for later use;

[0044] (2) Preparation of secondary fabric fabric: Weigh the raw materials red mud aggregate, bentonite, waste ceramic tile powder, additives, body colorant, then add 10% water by weight and stir evenly, stale for 10 hours and set aside ;

[0045] (3) Preparation of red mud permeable bricks: Weigh the solid raw materials red mud aggregate, bentonite, and glass powder respectively, then add additives and stir evenly, stale for 10 hours, and use semi-dry method for secondary cloth compression molding, at 1000...

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Abstract

The invention relates to a red mud permeable brick and a method for preparing the same, and belongs to the field of technologies for recycling red mud. The red mud permeable brick and the method have the advantages that red mud can be recycled, accordingly, the problem of red mud pollution can be fundamentally solved, and permeable materials in urgent need can be provided for constructing sponge cities; the red mud permeable brick is high in permeable rate and compressive and breaking strength and excellent in freezing-thawing resistance, energy can be saved, environmental pollution due to the red mud can be completely eradicated, the red mud can be sufficiently and effectively utilized, and accordingly the economical, durable, healthful, environment-friendly and colorful novel permeable brick can be provided for society.

Description

technical field [0001] The invention relates to a red mud permeable brick and a preparation method thereof, belonging to the technical field of red mud recycling. Background technique [0002] Red mud is the polluting waste residue discharged when the aluminum industry extracts alumina. Generally, for every ton of alumina produced, 1.0 to 2.0 tons of red mud are incidentally produced. As the world's fourth largest producer of alumina, China discharges millions of tons of red mud every year. A large amount of red mud cannot be fully and effectively utilized, so it can only rely on large-scale storage yards, which takes up a lot of land and causes serious pollution to the environment. The red mud produced in the world is about 70 million tons every year, and the red mud produced in my country is more than 30 million tons every year. The production of a large amount of red mud has caused direct and indirect impacts on human production and life in many ways, so how to fully an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/00C04B35/622C04B38/00
CPCC04B35/00C04B35/62204C04B38/00C04B2235/3272C04B2235/3427C04B2235/349C04B2235/36C04B2235/442C04B2235/96
Inventor 杨心昶李晓东
Owner 山东利晟透水材料科技有限公司
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