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Aerogel foam concrete and preparation method and application thereof

A technology of foam concrete and airgel, which is applied in the field of building materials, can solve the problems of reducing structural compactness and reducing the strength of foam concrete, and achieves the effects of low dry density, strong formability, and good sound insulation performance

Inactive Publication Date: 2020-02-18
SHENZHEN AEROGEL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] From the analysis of the preparation principle of foam concrete, the use of foaming agent to introduce a large number of pores to endow it with light weight, sound insulation, heat preservation, fluidity and other functions that ordinary cement does not have is the basis for the preparation of foam concrete, but from the perspective of structure and mechanical properties, it is also The compactness of the structure is greatly reduced, thereby reducing the strength of the foam concrete

Method used

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  • Aerogel foam concrete and preparation method and application thereof
  • Aerogel foam concrete and preparation method and application thereof
  • Aerogel foam concrete and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Preparation of Airgel Foam Concrete

[0035] 1) Dry-mix the cement and inorganic reinforcing fiber in the formula quantity evenly, then add part of the water in the formula quantity and mix evenly, then add the airgel slurry in the formula quantity, mix evenly, and make the cement fiber airgel slurry;

[0036] 2) Mix the remaining amount of water and foaming agent evenly to generate foam;

[0037] 3) Add the foam prepared in step 2) to the cement fiber airgel slurry prepared in step 1), stir and mix evenly to obtain a mixed slurry.

[0038] 4) Pour the mixed slurry prepared in step 3) into a mould, and then carry out mold inversion, mold removal and finished product maintenance in sequence to obtain the airgel foam concrete 1.

[0039] Among them: 200 parts of Portland cement, 30 parts of glass fiber, 50 parts of airgel slurry, the mass fraction of airgel slurry is 18%, the airgel is silica airgel, and the airgel slurry The solvent of the material is water, 150 parts ...

Embodiment 2

[0041] Preparation of Airgel Foam Concrete

[0042] 1) Dry-mix the cement and inorganic reinforcing fiber in the formula quantity evenly, then add part of the water in the formula quantity and mix evenly, then add the airgel slurry in the formula quantity, mix evenly, and make the cement fiber airgel slurry;

[0043] 2) Mix the remaining amount of water and foaming agent evenly to generate foam;

[0044] 3) Add the foam prepared in step 2) to the cement fiber airgel slurry prepared in step 1), stir and mix evenly to obtain a mixed slurry.

[0045] 4) Pour the mixed slurry prepared in step 3) into a mould, and perform inversion, demoulding, and finished product maintenance in sequence to obtain the airgel foam concrete 2.

[0046] Among them: 250 parts of ordinary Portland cement, 40 parts of ceramic fiber, 55 parts of airgel slurry, the mass fraction of airgel slurry is 20wt%, the airgel is aluminum oxide aerogel, airgel The solvent of the slurry is water. Water is 170 part...

Embodiment 3

[0049] Preparation of Airgel Foam Concrete

[0050] 1) Dry-mix the cement and inorganic reinforcing fiber in the formula quantity evenly, then add part of the water in the formula quantity and mix evenly, then add the airgel slurry in the formula quantity, mix evenly, and make the cement fiber airgel slurry;

[0051] 2) Mix the remaining amount of water and foaming agent evenly to generate foam;

[0052] 3) Add the foam prepared in step 2) to the cement fiber airgel slurry prepared in step 1), stir and mix evenly to obtain a mixed slurry.

[0053] 4) Pour the mixed slurry prepared in step 3) into a mould, and perform inversion, demoulding, and finished product maintenance in sequence to obtain the airgel foam concrete 3.

[0054] Among them: 300 parts of fly ash Portland cement, 50 parts of alumina fiber, 60 parts of airgel slurry, the mass fraction of airgel slurry is 22wt%, the airgel is titanium dioxide airgel, airgel The solvent of the slurry is water. 200 parts of wate...

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Abstract

The invention belongs to the field of building materials, and particularly relates to aerogel foam concrete and a preparation method and application thereof. Aerogel slurry is added into the concrete,on the premise that the compactness is not reduced, the heat insulation, heat preservation and sound insulation performance of the foam concrete can be enhanced, the dry density of the foam concreteis reduced, and the foam concrete with very small density, high formability and good compressive strength can be obtained under the condition that the porosity is low.

Description

technical field [0001] The invention belongs to the field of building materials, and in particular relates to an airgel foam concrete and its preparation method and application. Background technique [0002] According to the report of Freedonia Research Company, the current domestic output value of thermal insulation materials is about 120 billion yuan, and the market size of thermal insulation materials will reach 300 billion yuan in 2020. Among them, the application in the industrial field accounts for 1 / 3, and the application in the construction field reaches 2 / 3. The global annual growth rate of thermal insulation materials is 6.3%. Among the nearly 2 billion square meters of houses built in my country every year, more than 90% are still high-energy buildings. Therefore, we must attach great importance to the issue of building energy conservation, significantly reduce building energy consumption, and achieve sustainable development of social construction and national e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B38/10C04B38/08C04B38/02C04B28/04C04B111/40C04B111/28
CPCC04B28/04C04B2111/28C04B2111/40C04B2201/20C04B2201/50C04B14/42C04B24/383C04B14/064C04B24/34C04B38/10C04B38/08C04B38/0067C04B14/46C04B14/302C04B14/303C04B2103/42C04B14/4625C04B14/305C04B22/068C04B38/02
Inventor 王天赋韩荣荣彭战军
Owner SHENZHEN AEROGEL TECH CO LTD
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