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Method for preparing light foam concrete by using compound protein foaming agent

A technology of protein foaming agent and lightweight foam, which is applied in the field of preparing light foam concrete by using compound protein foaming agent, compound protein foaming agent, and preparing non-steamed light foam concrete, which can solve the problem of high cost, The process is complicated, and the stability of the sludge hydrolyzed protein foaming agent is not well solved, so as to achieve the effect of improving the foam stability and obvious economic benefits

Active Publication Date: 2012-06-27
天津市裕川环境科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention patent with the application number 200710051491.2 uses sludge hydrolyzed protein to produce foamed concrete, but the stability of the sludge hydrolyzed protein foaming agent is not well solved, and the foamed concrete block needs to be cured by autoclaving, the process is complicated and the cost is high

Method used

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  • Method for preparing light foam concrete by using compound protein foaming agent
  • Method for preparing light foam concrete by using compound protein foaming agent
  • Method for preparing light foam concrete by using compound protein foaming agent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A preparation method for lightweight foamed concrete, comprising the steps of:

[0029] Formulated blowing agent

[0030] The components are: 10g of activated sludge protein with a mass concentration of 15%, 0.3g of vegetable protein with a mass concentration of 40%, 0.2g of methylcellulose and 89.5g of water, fully mixed to obtain a foaming agent;

[0031] Prepare cement paste

[0032] The components are: 40g of cement, 25g of fly ash, 5g of lime, 2g of gypsum, 0.5g of polycarboxylate superplasticizer and 27.5g of water, and stir evenly to obtain cement slurry.

[0033] After the foaming agent is foamed, the foam is added to the cement slurry, stirred rapidly for 3 minutes, introduced into a mold, and naturally cured for 28 days to obtain a foam concrete block.

Embodiment 2

[0035] A preparation method for lightweight foamed concrete, comprising the steps of:

[0036] Formulated blowing agent

[0037] Components are: 11.5g mass concentration is 18% activated sludge protein, 0.2g mass concentration is 40% plant protein, 0.1g hydroxymethyl cellulose, 0.1g gum arabic and 88.1g water are fully mixed to obtain hair foaming agent;

[0038] Prepare cement paste

[0039] The components are: 30g of cement, 35g of fly ash, 6g of lime, 1g of gypsum, 0.5g of polycarboxylate superplasticizer and 27.5g of water, and stir evenly to obtain cement slurry.

[0040] After the foaming agent is foamed, the foam is added to the cement slurry, stirred rapidly for 3 minutes, introduced into a mold, and naturally cured for 28 days to obtain a foam concrete block.

Embodiment 3

[0042] A preparation method for lightweight foamed concrete, comprising the steps of:

[0043] Formulated blowing agent

[0044] The components are: 10g of activated sludge protein with a mass concentration of 20%, 0.2g of plant protein with a mass concentration of 40%, 0.1g of sodium dodecylbenzenesulfonate and 87.7g of water are fully mixed to prepare a foaming agent;

[0045] Prepare cement paste;

[0046] The components are: 35g of cement, 30g of fly ash, 5g of lime, 1g of gypsum, 0.5g of polycarboxylate superplasticizer and 28.5g of water, and stir evenly to prepare cement slurry.

[0047] After the foaming agent is foamed, the foam is added to the cement slurry, stirred rapidly for 3 minutes, introduced into a mold, and naturally cured for 28 days to obtain a foam concrete block.

[0048] The performance comparison (seeing table 1, table 2) of foamed concrete and foaming agent prepared by the present invention and commercially available products

[0049] Table 1, foam...

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Abstract

The invention relates to a method for preparing light foam concrete by using a compound protein foaming agent. The light foam concrete comprises 1-10 weight parts of foaming agent, 20-50 weight parts of concrete, 25-60 weight parts of fly ash, 1-10 weight parts of lime, 1-5 weight parts of gypsum, 0.5-2 weight parts of additive, and 27-40 weight parts of water, wherein the foaming agent comprises2.5-25 weight parts of activated sludge protein with a mass concentration 15-25 %, 0.1-1 weight parts of vegetable protein with a mass concentration of 20-40 %, 0.1-0.5 weight parts of stabilizing agent, and 73.5-97.3 weight parts of water. According to the invention, the compound protein foaming agent uses activated sludge protein and vegetable protein as the main components, and the stabilizingagent is used for modification, thus the foam stability of the protein foaming agent is raised. The preparation method has no need of steam pressure curing.

Description

Technical field [0001] The invention relates to the field of sewage treatment and reuse, and in particular to a method for preparing lightweight foam concrete using a composite protein foaming agent. Specifically, it relates to a method for preparing steam-curing-free lightweight foam concrete using a composite protein foaming agent with activated sludge protein and plant protein as main components. Background technique [0002] Foam concrete is a lightweight thermal insulation building material. It is mainly composed of foaming agent, cement, fly ash, water and admixtures. The finished foam concrete contains a large number of small, closed and evenly distributed pores, making it have excellent thermal insulation , light weight, heat insulation, fireproof and sound insulation, water resistance and shock absorption, etc., it is currently widely used in the construction field. [0003] Protein-based foaming agents are widely used in the preparation of foam concrete. Both plan...

Claims

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Application Information

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IPC IPC(8): C04B38/02
Inventor 左健李军伟刘成林薛咏海
Owner 天津市裕川环境科技有限公司
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