Color-changing baking-free water-permeable brick by using solid waste and preparation method

A technology for permeable bricks and solid waste is applied in the field of discoloration and non-burning permeable bricks and their preparation, which can solve the problems of inability to achieve energy-saving development, high energy consumption in cement production, and high production costs, so as to ensure water permeability, reduce production costs, and enhance strength. and wear resistance

Active Publication Date: 2019-08-23
SHANDONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The pursuit of the quality of permeable bricks is still the direction pursued by researchers who use permeable building materials. The inventor found that there are permeable bricks designed in the prior art, but the main material of permeable bricks is cement, and

Method used

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  • Color-changing baking-free water-permeable brick by using solid waste and preparation method

Examples

Experimental program
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Effect test

Example Embodiment

[0034] A method for preparing color-changing non-fired permeable bricks using solid waste includes the following contents:

[0035] 1) Weigh the red mud, ferro-aluminate cement and steel slag in proportion, and mix with the corresponding proportion of early strength agent and water reducing agent. According to the weight percentage, the red mud is 40-60 parts, and the ferro-aluminate cement is 5~25 parts, 30~50 parts of aggregate (mixture of steel slag and iron tailings), 0.2~0.4 parts of water reducing agent, 0.2~0.6 parts of early strength agent, 20~50 parts of water, mix evenly to obtain base layer mixture .

[0036] 2) Weigh ceramic waste, water glass solution, color-changing glass particles and water in proportion. According to weight percentages, ceramic waste is 45-65 parts, water glass solution is 1-15 parts, color-changing glass particles are 20-30 parts, and water is 12-18 parts. Mix uniformly to obtain a surface layer mixture.

[0037] 3) Fill the metal mold with 5-8mm ...

Example Embodiment

[0038] Example 1

[0039] A discoloration and fire-free permeable brick using solid waste, comprising a surface layer and a base layer, the surface layer and the base layer are combined by an adhesive, the mass ratio of the surface layer to the base layer is 1:7-9, and the quality of the base layer is greater than the surface layer , To effectively ensure the strength and wear resistance of permeable bricks, the surface layer includes ceramic waste, water glass solution, color-changing glass particles and water, and the base layer includes red mud, ferro-aluminate cement, aggregate, water reducing agent and early strength agent, Among them, ceramic waste, color-changing glass particles, red mud, ferrochlorate cement and aggregates are all derived from solid waste. The color-changing glass particles effectively achieve the color change effect of permeable bricks. The aggregate has a pressure effect through the binder and can It can effectively bond the base layer into a whole, and...

Example Embodiment

[0049] Example 2

[0050] A method for preparing color-changing non-fired permeable bricks using solid waste includes the following contents:

[0051] 1) Take 40 parts of red mud, 30 parts of ferro aluminate cement, 30 parts of aggregate (a mixture of steel slag and iron tailings), 0.2 parts of water reducing agent, 0.2 parts of early strength agent, 20 parts of water, and mix well Into the grassroots.

[0052] 2) Take 55 parts of ceramic waste, 15 parts of water glass solution, 30 parts of color-changing glass particles, and 18 parts of water, and stir evenly to form a surface layer.

[0053] 3) Put the above materials in a mixer and stir evenly, and then fill the metal mold with 6mm of the color-changing surface layer mixture, and then fill it with the binder and the base layer mixture, and then press and shape it at one time. 20MPa, and finally cured for 14 days to obtain a molded permeable brick.

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Abstract

The invention discloses a color-changing baking-free water-permeable brick by using a solid waste and a preparation method, solves the problem of the large energy consumption of the water-permeable brick product in the prior art, and has the beneficial effects that the existing solid waste can be fully utilized, the energy is saved, and the social environment is protected. The scheme is as follows: the color-changing baking-free water-permeable brick by using the solid waste comprises a surface layer and a base layer, wherein the surface layer and the base layer are combined together, the surface layer comprises a ceramic waste, a water glass solution, color-changing glass particles and water, the base layer comprises a red mud, a ferrous aluminate cement, an aggregate, a water reducing agent and an early strength agent, and the ceramic waste, the color-changing glass particles, the red mud, the ferrous aluminate cement and the aggregate are all derived from the solid waste.

Description

technical field [0001] The invention relates to the field of utilization of industrial waste slag resources, in particular to a color-changing burn-free permeable brick utilizing solid waste and a preparation method thereof. Background technique [0002] Red mud is an industrial solid waste discharged from the aluminum industry after refining alumina from bauxite. Generally, for every ton of alumina produced, one ton of red mud is incidentally produced. According to incomplete statistics, the annual discharge of red mud in my country is as high as tens of millions of tons, and the cumulative storage of more than tens of millions of tons has been accumulated. The utilization rate of red mud is low, and a large amount of red mud cannot be fully and effectively utilized, and a large amount of red mud is accumulated on flat land and hillsides. , occupying a large amount of land and causing serious harm to the environment. Therefore, it is imminent to reduce the output and harm ...

Claims

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Application Information

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IPC IPC(8): C04B28/26C04B28/06
CPCC04B28/06C04B28/26C04B2111/00284C04B2111/00612C04B2201/50C04B18/165C04B14/22C04B18/0409C04B18/142C04B18/12C04B2103/302C04B2103/12
Inventor 李召峰刘超张健齐延海高益凡戴文杰
Owner SHANDONG UNIV
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