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Environment-friendly brick prepared from solid waste solidified soil and preparation method of environment-friendly brick

A technology for solid waste and solid waste, applied in the field of building materials, can solve the problem that solid waste cannot be processed in a large area, and achieve the effect of reducing energy consumption, excellent frost resistance and carbonization performance, and low price

Pending Publication Date: 2022-06-21
南京圣博威科技集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Technical problem to be solved: This application mainly solves the technical problems in the prior art that the existing solid waste cannot be processed in a large area, and provides an environmentally friendly brick prepared by solidifying soil with solid waste and its preparation method

Method used

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  • Environment-friendly brick prepared from solid waste solidified soil and preparation method of environment-friendly brick

Examples

Experimental program
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Effect test

Embodiment 1

[0034] A preparation method of an environmentally friendly brick prepared by utilizing solid waste solidified soil, specifically comprising the following steps:

[0035] The first step: drying, crushing, and sieving the solid waste to a particle size of ≤ 1 mm, and proportioning 30 parts of glycerol, 20 parts of fatty acids, 5 parts of polyacrylamide, and 12 parts of sodium hydroxide according to the parts by mass. parts, 2 parts of calcium sulfoaluminate, 2 parts of triethanolamine, 4 parts of sodium silicate, and 40 parts of water. solidified solid waste.

[0036] The second step: the solidified solid waste was aged at 15°C for 0.5 h to obtain solid waste solidified soil.

[0037] The third step: 45 parts of the aged solid waste solidified soil; 15 parts of construction waste aggregate with a particle size of 0.5-1.5mm; 10 parts of Portland cement with a strength grade of 42.5; 20 parts of water According to the mixing ratio, add it to the mixer and mix evenly, and the mix...

Embodiment 2

[0041] A preparation method of an environmentally friendly brick prepared by utilizing solid waste solidified soil, specifically comprising the following steps:

[0042] The first step: drying, crushing, and sieving the solid waste to a particle size of ≤ 1 mm, and proportioning 50 parts of glycerol, 30 parts of fatty acids, 10 parts of polyacrylamide, and 20 parts of sodium hydroxide according to the parts by mass. parts, 3 parts of calcium sulfoaluminate, 8 parts of triethanolamine, 10 parts of sodium silicate, and 70 parts of water. solidified solid waste.

[0043] The second step: aging the solidified solid waste at 25°C for 10 h to obtain solid waste solidified soil.

[0044] The third step: 70 parts of the aged solid waste solidified soil; 30 parts of industrial waste slag aggregate with a particle size of 0.5-1.5mm; 10 parts of grade I fly ash; strength grade 52.5 white silicon 15 parts of salt cement; 10 parts of water are added to the mixer according to the mixing r...

Embodiment 3

[0049] A preparation method of an environmentally friendly brick prepared by utilizing solid waste solidified soil, specifically comprising the following steps:

[0050] The first step: drying, crushing, and sieving the solid waste to a particle size of ≤ 1 mm, and proportioning 40 parts of glycerol, 25 parts of fatty acids, 8 parts of polyacrylamide, and 16 parts of sodium hydroxide according to the parts by mass. parts, 2.5 parts of calcium sulfoaluminate, 5 parts of triethanolamine, 7 parts of sodium silicate, and 55 parts of water. solidified solid waste.

[0051] The second step: the solidified solid waste was aged at 20°C for 5 hours to obtain solid waste solidified soil.

[0052] The third step: 60 parts of the aged solid waste solidified soil; 25 parts of construction waste aggregate with a particle size of 0.5-1.5mm; 5 parts of Class II fly ash; strength grade 52.5 ordinary silicon 13 parts of salt cement; 15 parts of water are added to the mixer according to the mi...

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Abstract

The invention discloses an environment-friendly brick prepared from solid waste solidified soil and a preparation method of the environment-friendly brick, the environment-friendly brick is prepared from the solid waste solidified soil, aggregate, fly ash, a cementing material, an additive and water according to a proportion through stirring, pressing and curing. The preparation method comprises the following steps: drying, crushing and screening solid wastes, and adding a curing agent according to the ratio for curing; the solid waste solidified soil, the aggregate, the fly ash, the cement, the additive and the water are mixed and stirred according to the proportion; and pouring the stirred mixture into a mold, and carrying out compression molding by using a press machine. The environment-friendly brick is convenient to manufacture, high in strength, low in water absorption rate and low in price, uses a large amount of solid waste and conforms to the national environment-friendly and energy-saving policy.

Description

technical field [0001] The invention belongs to the technical field of building materials, and in particular relates to an environmental protection brick prepared by using solid waste to solidify soil and a preparation method thereof. Background technique [0002] Bricks are an indispensable product in construction for thousands of years. Since ancient times, they have been sintered with clay, and later cement bricks, lime-sand bricks, aerated blocks, etc. all have a common feature: they are all made of clay, sand, stone, lime, cement and other resources. [0003] With the rapid advancement of urbanization, the construction of a large number of high-rise buildings and subways has produced a large amount of waste mud. Since the soil cannot directly react with the cement to make bricks, and the deep mud cannot directly plant trees and grass, it cannot be transported to landfill in large quantities. Urban engineering waste sludge and river sludge have become new problems in ur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/04C04B18/30C04B111/76
CPCC04B28/04C04B18/30C04B2201/50C04B2111/76C04B2111/00017C04B18/12C04B18/08C04B18/04C04B18/16Y02W30/91
Inventor 王卫东徐圣博
Owner 南京圣博威科技集团有限公司
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