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A kind of foam concrete self-insulation block and its production method

A foamed concrete and self-insulating block technology, applied in the field of construction, can solve the problems of low production cost, low strength and high production cost, achieve a good performance-price ratio, ensure thermal insulation effect, and improve the effect of strength

Active Publication Date: 2016-08-17
王明忠
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a new foam concrete self-insulating block and its production method for the problems of high production cost, low strength and high thermal conductivity of the foam concrete block in the prior art.
The block can improve the mechanical strength while ensuring the thermal insulation effect, not only has low production cost, but also solves the problem of environmental pollution caused by industrial waste

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Example 1: A foam concrete self-insulating block, which is made of the following raw materials by weight percentage: ordinary portland cement 32.5:54%, aluminum plant waste 9%, zeolite powder 4.8%, fly ash 1 %, hard calcium 0.5%, hydrogen peroxide 2.5%, catalyst 0.1%, reinforcing agent 0.3%, water reducing agent 0.5%, artificial inorganic fiber 0.3%, water 27%.

[0025] The main components of the aluminum plant waste slag in the present embodiment are: SiO 2 20~30%, CaO40~50%, Al 2 o 3 10-20%, Fe 2 o 3 (5-7%), the particle diameter is 0.088-0.25 mm, the specific gravity is 2.7-2.9, and the bulk density is 0.8-1.0. The aluminum plant waste slag is a material with low thermal conductivity, has excellent thermal stability and chemical stability, and does not contain binders and corrosive substances. The water reducer is a polyhydroxy acid-based water reducer, the main component of which is a copolymer of olefin and polycarboxylic acid or a copolymer of acrylate and ac...

Embodiment 2

[0028] Example 2: A foam concrete self-insulating block, which is made of the following raw materials by weight percentage: ordinary Portland cement 42.5:49%, aluminum plant waste 8%, zeolite powder 6%, fly ash 8% %, hard calcium 0.8%, hydrogen peroxide 2.5%, catalyst 0.2%, reinforcing agent 0.5%, water reducing agent 0.5%, artificial inorganic fiber 0.4%, water 24.1%.

[0029] The preparation method of the above-mentioned foamed concrete self-insulating block comprises the following steps: ① put into solid ingredients: ordinary Portland cement 42.5: 49%, aluminum plant waste slag 8%, zeolite powder 6%, fly ash 8%, hard calcium 0.8%, catalyst 0.2%, reinforcing agent 0.5%, water reducing agent 0.5%, man-made inorganic fiber 0.4; ② Mix with water and stir: add the measured water which accounts for 24.1% of raw materials into the mixer, and stir at low speed for 3 minutes; ③ Add hair Foaming slurry: Add accurately measured hydrogen peroxide, accounting for 2.5% of the raw materia...

Embodiment 3

[0030] Example 3: A foam concrete self-insulating block, which is made of the following raw materials by weight percentage: ordinary Portland cement 42.5:51%, aluminum plant waste 10.6%, zeolite powder 4%, fly ash 5% %, hard calcium 0.5%, hydrogen peroxide 2%, catalyst 0.1%, reinforcing agent 0.3%, water reducing agent 0.3%, artificial inorganic fiber 0.2%, water 26%.

[0031] The main components of the aluminum plant waste slag in the present embodiment are: SiO 2 20~30%, CaO40~50%, Al 2 o 3 10-20%, Fe 2 o 3 (5-7%), the particle diameter is 0.088-0.25 mm, the specific gravity is 2.7-2.9, and the bulk density is 0.8-1.0. The aluminum plant waste slag is a material with low thermal conductivity, has excellent thermal stability and chemical stability, and does not contain binders and corrosive substances. The water reducer is a polyhydroxy acid-based water reducer, the main component of which is a copolymer of olefin and polycarboxylic acid or a copolymer of acrylate and ac...

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Abstract

The invention discloses a foam concrete self-insulation building block and a production method thereof. The building block is prepared from raw materials in percentage by weight as follows: 49-55% of ordinary Portland cement 32.5 or 42.5, 8-14% of residues from an aluminum plant, 4-8% of zeolite powder, 1-8% of fly ash, 0.5-0.8% of hard calcium, 2-2.5% of hydrogen peroxide, 0.1-0.2% of a catalyst, 0.3-0.5% of a reinforcing agent, 0.3-0.5% of a water reducing agent, 0.2-0.4% of manmade inorganic fibers and 24-28% of water. The strength of the foam concrete building block is improved, meanwhile, the thermal insulation function is guaranteed, the strength of the low-density foam concrete building block is improved, the thermal conductivity is decreased, the building block is light, environment-friendly, sound-insulating, thermal-insulating, waterproof, fireproof and large in building bearing force, energy consumption is reduced, constructiontechnologies are reduced, and the cold bridge problem caused by multiple technological mounting and construction arrangement during construction is solved.

Description

technical field [0001] The invention relates to the construction field, in particular to a foam concrete self-insulating block and a production method thereof. Background technique [0002] Foamed concrete is a new type of lightweight building material with light weight, good thermal insulation and sound insulation effects. Its production process is mainly to make the foaming agent into foam through a foaming machine, and at the same time make the cementitious material into a slurry , after which the foam is added to the cementitious material slurry cast-in-place or injection-molded and cut into blocks. With the development of the construction industry and the improvement of people's living standards, the amount of porous concrete blocks with light weight, thermal insulation and heat insulation functions is increasing. However, there are still some defects in the existing foamed concrete blocks, which affect its application. 2) The strength of the foam concrete block is no...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/04C04B38/02C04B18/30C04B14/38
CPCY02W30/91
Inventor 王明忠
Owner 王明忠