CN104446610B - A kind of water-fast high intensity aerated bricks and preparation method thereof - Google Patents

A kind of water-fast high intensity aerated bricks and preparation method thereof Download PDF

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Publication number
CN104446610B
CN104446610B CN201410633889.7A CN201410633889A CN104446610B CN 104446610 B CN104446610 B CN 104446610B CN 201410633889 A CN201410633889 A CN 201410633889A CN 104446610 B CN104446610 B CN 104446610B
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China
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water
powder
steam
aerated bricks
flyash
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CN201410633889.7A
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CN104446610A (en
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方志强
刘鹏
柏涛
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ANHUI FULAIYUAN BUILDING MATERIALS Co Ltd
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ANHUI FULAIYUAN BUILDING MATERIALS Co Ltd
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Abstract

A kind of water-fast high intensity aerated bricks, being made up of the raw material of following weight portion: acrylic emulsion 1-2, calcium chloride 1-2, magnesium chloride 1-2, magnesium oxide 2-3, desulfurization gypsum powder 4-5, bunt gypsum 4-5, flyash 50-60, aerating aluminium powder 6-7, cement 7-9, Pulvis Talci 3-5, quick lime 9-11, modified coal 8-10, sodium acrylate 0.3-0.5, granular polystyrene 1-1.4, water are appropriate;Aerated bricks compact structure of the present invention, bubble is uniform, and intensity is high, and water-tolerant, also has good heat insulating ability, sound-proofing and fire line, radiationless pollution, high financial profit;By using modified coal, enhancing effect of heat insulation, water-tolerant, decrease environmental pollution, water-reducing effect is good simultaneously.

Description

A kind of water-fast high intensity aerated bricks and preparation method thereof
Technical field
The invention belongs to brick field, particularly relate to a kind of water-fast high intensity aerated bricks and preparation method thereof.
Background technology
Aerated bricks also referred to as air-entrained concrete building block, application very extensive, be used primarily in the load-bearing wallings such as the materials for wall in machinery plant and civil buildings, infilled wall, floor and roof boarding and non-bearing material and filling enclosure wall around.
Current aerated bricks has become the leading products of building material industry, and country has progressively prohibitted the use of clay solid brick, is instead exactly air-entrained concrete building block gradually, steam-pressing brisk.
Aerated bricks have lightweight, thermal and insulating performance good, shock resistance is strong, good processability, has certain heat-resisting quantity, sound insulation value feature good, adaptable, can according to local different raw materials, different condition is carried out amount body and is surely made, raw material sources is extensive, optional river sand, flyash, ore in sand form etc., treatment in accordance with local conditions, it is possible to twice laid, environmental, really turn waste into wealth.
But it is as the development of building trade, building is more and more higher, moulding is more and more peculiar, require all to increase to the intensity of aerated bricks, density, shrinkage value, frost resistance etc., additionally improving constantly along with people's living standard, the requirement of environment is also more and more higher, the heat-insulating property of building, sound absorption qualities, radioactivity there are is higher requirement, even requires that building has the performance of body health benefits, therefore as required, the aerated bricks developing excellent performance more is imperative.
Summary of the invention
It is an object of the invention to provide a kind of water-fast high intensity aerated bricks and preparation method thereof, this aerated bricks compact structure, bubble is uniform, and intensity is high, water-tolerant, also has good heat insulating ability, sound-proofing and fire line, radiationless pollution, high financial profit.
Technical scheme is as follows:
A kind of water-fast high intensity aerated bricks, it is characterized in that being made up of the raw material of following weight portion: acrylic emulsion 1-2, calcium chloride 1-2, magnesium chloride 1-2, magnesium oxide 2-3, desulfurization gypsum powder 4-5, bunt gypsum 4-5, flyash 50-60, aerating aluminium powder 6-7, cement 7-9, Pulvis Talci 3-5, quick lime 9-11, modified coal 8-10, sodium acrylate 0.3-0.5, granular polystyrene 1-1.4, water are appropriate;
Described modified coal is made up of the raw material of following weight portion: coal ash 13-15, Lithium metasilicate 0.5-0.7, magnesium fluosilicate 1-2, aluminium stearate 0.5-0.7, sugar calcium 0.5-0.8, glycidyl methacrylate 0.5-0.7, azodiisobutyronitrile 0.1-0.2, acrylate 1-1.3, tea seed cake 1-2, foam glass powder 1-2, high-efficiency water-reducing agent of poly-carboxylic acid 2-3, dipentene 0.4-0.7, flyash 2-4, calcium sulfite 0.5-0.7, used oil 2-3;Manufacture method is: coal ash, tea seed cake powder are broken into 100-200 order granule, spray into dipentene, used oil, aluminium stearate while stirring, places 5-7 hour after mix homogeneously, mix with other residual componentss again, heating is to 75-80 DEG C, and dispersion is ground 30-40 minute, to obtain final product.
The preparation method of described water-fast high intensity aerated bricks, it is characterised in that comprise the following steps:
(1) by cement, Pulvis Talci, quick lime, desulfurization gypsum powder, bunt gypsum, flyash mixing, send into grinding in ball grinder and become 100-200 order granule, mix with the composition except aerating aluminium powder again, it is that 0.56-0.57 adds water by ratio of water to material, stir, add aerating aluminium powder, be uniformly mixing to obtain slurry;
(2) slurry that (1st) step obtains is poured in mould, obtain brick idiosome;
(3) brick idiosome being put into steam-cured still and carry out evacuation, then passed into steam in 1.7-1.9 hour equably, make the temperature of steam-cured indoor rise to 170-180 DEG C, pressure reaches 11-13MPa, keeps constant 10-11 hour;
(4) let off steam equably in 1.7-1.9 hour, make the temperature of steam-cured indoor be down to less than 70 DEG C, go out still, place 28-30 days and get final product.
Beneficial effects of the present invention
Aerated bricks compact structure of the present invention, bubble is uniform, and intensity is high, and water-tolerant, also has good heat insulating ability, sound-proofing and fire line, radiationless pollution, high financial profit;By using modified coal, enhancing effect of heat insulation, water-tolerant, decrease environmental pollution, water-reducing effect is good simultaneously.
Detailed description of the invention
A kind of water-fast high intensity aerated bricks, is made up of the raw material of following weight portion (kilogram): acrylic emulsion 1.4, calcium chloride 1.5, magnesium chloride 1.5, magnesium oxide 2.6, desulfurization gypsum powder 4.5, bunt gypsum 4.5, flyash 55, aerating aluminium powder 6.5, cement 8, Pulvis Talci 4, quick lime 10, modified coal 9, sodium acrylate 0.4, granular polystyrene 1.2, water are appropriate;
Described modified coal is made up of the raw material of following weight portion (kilogram): coal ash 14, Lithium metasilicate 0.6, magnesium fluosilicate 1.5, aluminium stearate 0.6, sugar calcium 0.6, glycidyl methacrylate 0.6, azodiisobutyronitrile 0.1, acrylate 1.2, tea seed cake 1.5, foam glass powder 1.5, high-efficiency water-reducing agent of poly-carboxylic acid 2.5, dipentene 0.6, flyash 3, calcium sulfite 0.6, used oil 2.6;Manufacture method is: coal ash, tea seed cake powder are broken into 160 order granules, spray into dipentene, used oil, aluminium stearate while stirring, places 6 hours, then mix with other residual componentss after mix homogeneously, and heating is to 78 DEG C, and dispersion is ground 36 minutes, to obtain final product.
The preparation method of described water-fast high intensity aerated bricks, comprises the following steps:
(1) by cement, Pulvis Talci, quick lime, desulfurization gypsum powder, bunt gypsum, flyash mixing, send into grinding in ball grinder and become 180 order granules, then mix with the composition except aerating aluminium powder, it is 0.56 addition water by ratio of water to material, stir, add aerating aluminium powder, be uniformly mixing to obtain slurry;
(2) slurry that (1st) step obtains is poured in mould, obtain brick idiosome;
(3) brick idiosome being put into steam-cured still and carry out evacuation, then passed into steam in 1.8 hours equably, make the temperature of steam-cured indoor rise to 175 DEG C, pressure reaches 12MPa, keeps constant 10 hours;
(4) let off steam equably in 1.8 hours, make the temperature of steam-cured indoor be down to 70 DEG C, go out still, place 30 days and get final product.
Experimental data:
The density of this aerated bricks is 660kg/m3, refractory temperature is 680 DEG C, heat conductivity is 0.17W/ (m DEG C), adopt shower nozzle respectively to clay tile wall thick for 240mm and aerating brick wall spray, clay tile wall all soaked into after 12 hours, after aerating brick wall sprays 72 hours, the infiltration degree of depth is 60mm, and comprcssive strength is 6.8Mpa, acoustic absorptivity 0.34.

Claims (2)

1. a water-fast aerated bricks, it is characterized in that being made up of the raw material of following weight portion: acrylic emulsion 1-2, calcium chloride 1-2, magnesium chloride 1-2, magnesium oxide 2-3, desulfurization gypsum powder 4-5, bunt gypsum 4-5, flyash 50-60, aerating aluminium powder 6-7, cement 7-9, Pulvis Talci 3-5, quick lime 9-11, modified coal 8-10, sodium acrylate 0.3-0.5, granular polystyrene 1-1.4, water are appropriate;
Described modified coal is made up of the raw material of following weight portion: coal ash 13-15, Lithium metasilicate 0.5-0.7, magnesium fluosilicate 1-2, aluminium stearate 0.5-0.7, sugar calcium 0.5-0.8, glycidyl methacrylate 0.5-0.7, azodiisobutyronitrile 0.1-0.2, acrylate 1-1.3, tea seed cake 1-2, foam glass powder 1-2, high-efficiency water-reducing agent of poly-carboxylic acid 2-3, dipentene 0.4-0.7, flyash 2-4, calcium sulfite 0.5-0.7, used oil 2-3;The manufacture method of modified coal is: coal ash, tea seed cake powder are broken into 100-200 order granule, spray into dipentene, used oil, aluminium stearate while stirring, places 5-7 hour after mix homogeneously, mix with other residual componentss again, heating is to 75-80 DEG C, and dispersion is ground 30-40 minute, to obtain final product.
2. the preparation method of water-fast aerated bricks according to claim 1, it is characterised in that comprise the following steps:
(1) by cement, Pulvis Talci, quick lime, desulfurization gypsum powder, bunt gypsum, flyash mixing, send into grinding in ball grinder and become 100-200 order granule, mix with the composition except aerating aluminium powder again, it is that 0.56-0.57 adds water by ratio of water to material, stir, add aerating aluminium powder, be uniformly mixing to obtain slurry;
(2) slurry that (1st) step obtains is poured in mould, obtain brick idiosome;
(3) brick idiosome being put into steam-cured still and carry out evacuation, then passed into steam in 1.7-1.9 hour equably, make the temperature of steam-cured indoor rise to 170-180 DEG C, pressure reaches 11-13MPa, keeps constant 10-11 hour;
(4) let off steam equably in 1.7-1.9 hour, make the temperature of steam-cured indoor be down to less than 70 DEG C, go out still, place 28-30 days and get final product.
CN201410633889.7A 2014-11-12 2014-11-12 A kind of water-fast high intensity aerated bricks and preparation method thereof Expired - Fee Related CN104446610B (en)

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CN104987118A (en) * 2015-06-25 2015-10-21 合肥蓝科新材料有限公司 Thermal-insulation air-entrapping brick
CN107235680A (en) * 2017-06-13 2017-10-10 安徽筑园景新型建材科技有限公司 One kind insulation abrasion-resistant hollow is laid bricks and preparation method thereof
CN107344862A (en) * 2017-07-26 2017-11-14 合肥大来新型建材有限公司 A kind of environmental friendly regenerated aggregate aerated bricks and preparation method thereof
CN112573888A (en) * 2021-01-23 2021-03-30 惠州市建达实业有限公司 High-strength and moisture-proof aerated brick and preparation method thereof

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CN103979865A (en) * 2014-04-15 2014-08-13 马鞍山豹龙新型建材有限公司 Antibacterial anti-freezing aerated brick and preparation method thereof

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US8783349B2 (en) * 2012-05-04 2014-07-22 Schlumber Technology Corporation Compliant sand screen

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Publication number Priority date Publication date Assignee Title
CN103979865A (en) * 2014-04-15 2014-08-13 马鞍山豹龙新型建材有限公司 Antibacterial anti-freezing aerated brick and preparation method thereof

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