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Aerated concrete block

An aerated concrete and block technology, applied in the field of building materials, can solve the problems of easily affecting the compressive strength of aerated concrete blocks, easily becoming brittle, and affecting the stability of buildings, etc. Compressive strength and oxidation resistance, good corrosion resistance, and the effect of enhancing corrosion resistance

Pending Publication Date: 2019-10-18
广州和裕建材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Air-entrained concrete blocks are usually used to build buildings. Since buildings are generally placed in the open environment, buildings are often inevitably affected by factors such as moisture, ultraviolet rays, and oxygen. However, the existing air-entrained Concrete blocks are generally not resistant to moisture, ultraviolet rays, and oxygen corrosion, which makes the compressive strength of aerated concrete blocks easily affected, making aerated concrete blocks easy to become brittle, and even easily affecting the stability of buildings. , there is still room for improvement

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0052] An aerated concrete block, comprising the following components in parts by mass:

[0053] 60kg of water; 20kg of Portland cement; 27.5kg of sand; 35kg of stone; 0.5kg of aluminum powder; 4kg of water reducing agent; 3kg of methyl o-hydroxybenzoate; 3kg of lecithin;

[0054] The preparation method of air-entrained concrete blocks is as follows:

[0055] S1. Crush 27.5kg of sand and 35kg of stone and mix them into a ball mill to grind them into a mixture with a fineness of 250 mesh. Then add the mixture and 30kg of water into the stirring tank, stir at a speed of 150r / min, and stir evenly to form a mixture. pulp;

[0056] S2. While stirring, add the uniformly stirred slurry in S1, 30kg of water, 20kg of Portland cement, and 4kg of water reducing agent, keep the temperature at 45°C, and react for 180s;

[0057] S3. Add 0.5kg of aluminum powder while stirring, keep the temperature at 50°C, and react for 60s;

[0058] S4, add methyl o-hydroxybenzoate 3kg, lecithin 3kg, ac...

Embodiment 2

[0063] An aerated concrete block, comprising the following components in parts by mass:

[0064] 65kg of water; 15kg of Portland cement; 30kg of sand; 30kg of stone; 1kg of aluminum powder; 5kg of water reducing agent; 5kg of methyl o-hydroxybenzoate; 1kg of lecithin;

[0065] The preparation method of air-entrained concrete blocks is as follows:

[0066] S1. Crush 30kg of sand and 30kg of stone and mix them into a ball mill to grind them into a mixture with a fineness of 250 mesh. Then add the mixture and 32.5kg of water into the stirring tank, stir at a speed of 150r / min, and stir evenly to form a mixture. pulp;

[0067] S2. While stirring, add the uniformly stirred slurry in S1, 32.5kg of water, 15kg of Portland cement, and 5kg of water reducing agent, keep the temperature at 45°C, and react for 180s;

[0068] S3. Add 1kg of aluminum powder while stirring, keep the temperature at 50°C, and react for 60s;

[0069] S4, add methyl o-hydroxybenzoate 5kg, lecithin 1kg, acryli...

Embodiment 3

[0074] An air-entrained concrete block is characterized in that it includes the following components in parts by mass:

[0075] 70kg of water; 17.5kg of Portland cement; 25kg of sand; 32.5kg of stone; 0.8kg of aluminum powder; 3kg of water reducing agent; 4kg of methyl o-hydroxybenzoate; 2kg of lecithin;

[0076] The preparation method of air-entrained concrete blocks is as follows:

[0077] S1. Crush 25kg of sand and 32.5kg of stone and mix them into a ball mill to grind them into a mixture with a fineness of 250 mesh. Then add the mixture and 35kg of water into the stirring tank, stir at a speed of 150r / min, and stir evenly to form a mixture. pulp;

[0078] S2. While stirring, add the uniformly stirred slurry in S1, 35kg of water, 17.5kg of Portland cement, and 3kg of water reducing agent, keep the temperature at 45°C, and react for 180s;

[0079] S3. Add 0.8kg of aluminum powder while stirring, keep the temperature at 50°C, and react for 60s;

[0080] S4, add methyl o-hy...

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Abstract

The invention relates to the field of building materials. The invention provides an aerated concrete block, and the problem of poor durability of the aerated concrete block is solved. The aerated concrete block is prepared from the following components in parts by mass: 60-70 parts of water, 15-20 parts of portland cement, 25-30 parts of sand, 30-35 parts of stones, 0.5-1 part of aluminum powder,3-5 parts of a water reducing agent, 3-5 parts of methyl salic, 1-3 parts of lecithin and 5-8 parts of acrylic emulsion. Through the synergistic cooperation of the methyl salic, the lecithin and the acrylic emulsion, the corrosion resistance of the aerated concrete block is enhanced conveniently, the compressive strength of the aerated concrete block is not prone to being affected by moisture, ultraviolet and oxygen, and the durability of the aerated concrete block is enhanced.

Description

technical field [0001] The invention relates to the field of building materials, more specifically, it relates to an aerated concrete block. Background technique [0002] Air-entrained concrete block is a new type of building material that is lightweight, porous, thermal insulation, good fire resistance, nailable, sawable, planable, and has certain earthquake resistance. [0003] Aerated concrete blocks are generally bricks with a certain strength formed by crushing, ball milling, metering, pulping, mixing, pouring, resting, cutting, and steaming at high temperature and high pressure. [0004] Air-entrained concrete blocks are usually used to build buildings. Since buildings are generally placed in the open environment, buildings are often inevitably affected by factors such as moisture, ultraviolet rays, and oxygen. However, the existing air-entrained Concrete blocks are generally not resistant to moisture, ultraviolet rays, and oxygen corrosion, which makes the compressiv...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/04C04B38/02C04B111/20
CPCC04B28/04C04B2111/20C04B14/06C04B14/14C04B24/18C04B24/045C04B24/003C04B24/2641C04B22/04C04B38/02C04B24/14C04B24/42C04B24/02C04B18/26C04B18/24C04B14/066
Inventor 黄彬清
Owner 广州和裕建材有限公司
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