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Sintered fly ash expanded perlite permeable brick and preparation method thereof

A technology of expanded perlite and fly ash, which is applied to ceramic products, clay products, and other household appliances, which can solve the problems of polluting the environment and emitting a large amount of smoke, achieving good water permeability, increasing porosity, and reducing production costs Effect

Active Publication Date: 2019-10-15
山西晟科微生物建材科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This patent application uses more organic pore-forming agents, such as rice husk, rice bran, sawdust, pulp waste liquid, beer dregs, etc. During the sintering process, organic materials will emit a large amount of smoke and pollute the environment

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] The sintered fly ash expanded perlite permeable brick is fired according to the following formula:

[0039] High carbon content fly ash 30%,

[0040] Clay 70%,

[0041] Microsilica 0%,

[0042] Bauxite 0%,

[0043] 50% expanded perlite coated with high carbon content fly ash;

[0044] The high carbon content fly ash and clay described in the above formula are percentages by mass, totaling 100%.

[0045] The expanded perlite is the volume percentage, that is, the volume percentage of the expanded perlite to the volume of the high carbon content fly ash and clay mixture.

[0046] The preparation method of sintered fly ash expanded perlite permeable brick, the specific steps are as follows:

[0047] (1) Spray and pre-wet the expanded perlite with a particle size of 5-10 meshes, so that the expanded perlite is in a state of saturation but not bleeding, and then mix high-carbon-content fly ash with the pre-wetted expanded perlite The rock is evenly mixed, and the amoun...

Embodiment 2

[0056] The sintered fly ash expanded perlite permeable brick is fired according to the following formula:

[0057] High carbon content fly ash 50%,

[0058] Clay 50%,

[0059] Microsilica 0%,

[0060] Bauxite 0%,

[0061] 120% expanded perlite coated with high carbon content fly ash;

[0062] The high carbon content fly ash and clay described in the above formula are percentages by mass, totaling 100%.

[0063] The expanded perlite is the volume percentage, that is, the volume percentage of the expanded perlite to the volume of the high carbon content fly ash and clay mixture.

[0064] The preparation method of sintered fly ash expanded perlite permeable brick, the specific steps are as follows:

[0065] (1) Pre-wet the expanded perlite with a particle size of 150 mesh to 200 mesh, so that the expanded perlite is saturated but not bleeding, and then the high carbon content fly ash is mixed with the expanded perlite after prewetting The perlite is uniformly mixed, and the...

Embodiment 3

[0073] The sintered fly ash expanded perlite permeable brick is fired according to the following formula:

[0074] High carbon content fly ash 30%,

[0075] Clay 60%,

[0076] Silica powder 5%,

[0077] Bauxite 5%,

[0078] 80% expanded perlite coated with high carbon content fly ash;

[0079] The high-carbon-content fly ash, clay, silica powder, and bauxite described in the above formula are percentages by mass, totaling 100%.

[0080] Expanded perlite is the volume percentage, that is, the percentage of the bulk volume of expanded perlite to the loose bulk volume of the high carbon content fly ash, clay, silica powder, and bauxite mixture.

[0081] The preparation method of sintered fly ash expanded perlite permeable brick with high carbon content, the specific steps are as follows:

[0082] (1) The particle size and volume ratio of expanded perlite is (30 mesh ~ 40 mesh): (40 mesh ~ 60 mesh): (60 mesh ~ 120 mesh): (120 mesh ~ 200 mesh) = 10%: 15 %: 20%: 25%: 15%: 15% ...

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Abstract

The invention discloses a sintered fly ash-expanded perlite water-permeable brick and a preparation method thereof. With high-carbon content fly ash, clay, silica powder, bauxite and expanded perlite as raw materials, the sintered fly ash-expanded perlite water-permeable brick is sintered by the following formula: 30 to 50 percent of the high-carbon content fly ash, 50 to 70 percent of the clay, 0 to 5 percent of the silica powder, 0 to 5 percent of the bauxite, and 50 to 120 percent of the expanded perlite; in the formula, the high-carbon content fly ash, the clay, the silica powder and the bauxite are in percentage by mass, and the total mass of the four types of raw materials is 100 percent; and the expanded perlite is in percentage by volume, i.e. the percentage by volume of the expanded perlite in the volume of a mixture of the high-carbon content fly ash, the clay, the silica powder and the bauxite. The water-permeable brick prepared by the invention has the advantages of good water permeability, high strength, environment-friendliness and energy saving, and is applicable to water-permeable paved structures and pavements of sidewalks, communities, squares, parking lots and the like.

Description

technical field [0001] The invention belongs to the field of permeable paving materials, in particular to a sintered fly ash expanded perlite permeable brick and a preparation method thereof. The sintered fly ash expanded perlite permeable brick prepared by the method is suitable for pavement structures and road surfaces that require water permeability, such as sidewalks, squares, and residential roads. Background technique [0002] The permeable pavement structure and pavement have the functions of alleviating urban waterlogging and regulating urban water resources and ecosystems, and are an important part of the construction of "sponge city". As a component unit of a permeable pavement structure, permeable bricks have their water permeability derived from the pores contained in the bricks and the permeable channels formed by them. The higher the porosity of the permeable brick, the more abundant the permeable channels and the better the permeable performance. [0003] In...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B38/06C04B38/08C04B33/135C04B33/13
CPCC04B33/131C04B33/1352C04B38/08C04B2235/3217C04B2235/3418C04B2235/3427C04B2235/96Y02P40/60
Inventor 李珠贾冠华刘鹏井强山
Owner 山西晟科微生物建材科技有限公司
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