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An environment-friendly flexible decorative brick prepared by using modified waste residue and its preparation method

A flexible and environmentally friendly technology, applied in the field of decorative materials, can solve the problems of natural resource consumption, dust, noise pollution, space occupation, etc., and achieve the effect of improving anti-aging, good stability, and good compactness

Active Publication Date: 2018-02-06
SHANGHAI APE STONE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But the ensuing problem is that in the process of preparing products, natural resources such as cement, heavy calcium powder, and talcum powder are consumed in large quantities, resulting in energy depletion, and these resources will cause dust, noise and other pollution during the production process, which is harmful to the environment. produce damage
At the same time, a large amount of waste from other industries has nowhere to go and is piled up in the open air, which not only occupies space but also affects the surrounding environment

Method used

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  • An environment-friendly flexible decorative brick prepared by using modified waste residue and its preparation method
  • An environment-friendly flexible decorative brick prepared by using modified waste residue and its preparation method
  • An environment-friendly flexible decorative brick prepared by using modified waste residue and its preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] In this embodiment, modified open hearth furnace slag is used and obtained through the following pretreatment steps:

[0048] Step 1: Select open-hearth slag with an aging time of 5 months, and crush it with an impact crusher or an autogenous mill to obtain fragments with a particle size of less than 5mm;

[0049] Step 2: Use magnetic separation to remove some of the metal iron and RO phase slag with high FeO content to obtain open hearth furnace slag with suitable particle size and less impurities;

[0050] Step 3: Soak the open hearth slag with 10% NaOH solution and heat it for 7 minutes to remove surface oil stains, and then wash it with 5% H 2 SO 4 Soak in the solution for 30 minutes to remove surface oxides, and finally rinse with water until the pH is 7.0;

[0051] Step 4: Grinding with a mill to obtain a part of open-hearth slag particles with a particle size of less than 1mm, which is used as aggregate in flexible facing bricks; a part is obtained as a specifi...

Embodiment 2

[0065] In this example, converter slag is used as waste slag, and the modified converter slag needs to be obtained through the following pretreatment steps:

[0066] Step 1: Select the converter slag with an aging time of 5 months, and crush it with an impact crusher or an autogenous mill to obtain fragments with a particle size of less than 5mm;

[0067] Step 2: Use magnetic separation to remove some of the metal iron and RO phase slag with high FeO content to obtain converter slag with suitable particle size and less impurities;

[0068] Step 3: Soak converter slag in 10% NaOH solution and heat it for 7 minutes to remove surface oil stains, and then wash with 5% H 2 SO 4 Soak in the solution for 30 minutes to remove surface oxides, and finally rinse with water until the pH is 7.0;

[0069] Step 4: Grinding with a mill to obtain a part of converter slag particles with a particle size of less than 1 mm, which is used as aggregate in flexible facing bricks; a part of which is...

Embodiment 3

[0083] In this example, electric furnace slag is used as the raw material for modified electric furnace slag, which needs to be obtained through the following pretreatment steps:

[0084] Step 1: Select the electric furnace slag with an aging time of 5 months, and crush it with an impact crusher or an autogenous mill to obtain fragments with a particle size of less than 5mm;

[0085] Step 2: Use magnetic separation to remove some of the metal iron and RO phase slag with high FeO content to obtain converter slag with suitable particle size and less impurities;

[0086] Step 3: Soak the electric furnace slag in 10% NaOH solution and heat it for 7 minutes to remove surface oil stains, and then use 5% H 2 SO 4 Soak in the solution for 30 minutes to remove surface oxides, and finally rinse with water until the pH is 7.0;

[0087] Step 4: Grinding with a mill to obtain a part of electric furnace slag particles with a particle size of less than 1 mm, which is used as aggregate in f...

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Abstract

The invention provides an eco-friendly flexible facing brick prepared from modified waste residues and a preparation method thereof. The eco-friendly flexible facing brick solves the problem that a lot of waste residues are accumulated and severely pollute the environment. The preparation method fully utilizes waste residue characteristics of good compactness and high strength. Through specific treatment, the waste residues are used as aggregate and filling materials in a flexible facing brick. Through pretreatment, the modified waste residues have good stability and can be combined with a polymer well. Compared with the existing flexible facing brick, the eco-friendly flexible facing brick improves ageing resistance and impact resistance.

Description

technical field [0001] The invention relates to the technical field of decorative materials, in particular to an environment-friendly flexible decorative brick prepared by using modified waste slag and a preparation method thereof. Background technique [0002] Compared with the flexible stone materials currently on the market, the environmentally friendly flexible decorative bricks are compounded with modified waste residues as aggregates and fillers to comprehensively utilize waste resources. As people have higher and higher requirements for building appearance, exterior wall decoration materials are more diverse and complex. Traditional stone, paint, real stone paint, etc. can no longer meet the requirements of designers. With the emergence of new varieties, a lot of resources are also consumed. As a new building material for exterior walls—flexible facing bricks are inevitable, and there is an urgent need to develop an environmentally friendly product. [0003] Flexibl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B26/32C04B26/08
CPCC04B26/08C04B26/32C04B2111/50C04B18/141C04B14/308C04B16/0633C04B24/02C04B24/023C04B24/32C04B24/386C04B2103/50C04B2103/32C04B2103/40C04B22/066C04B24/42C04B18/067C04B18/08C04B16/0616C04B22/06C04B24/08
Inventor 陈国迈陈迈华由继业夏艺周仁道孙祥山姚慧
Owner SHANGHAI APE STONE