CN103979907A - Lightweight high-strength aerated brick and preparation method thereof - Google Patents

Lightweight high-strength aerated brick and preparation method thereof Download PDF

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Publication number
CN103979907A
CN103979907A CN201410149732.7A CN201410149732A CN103979907A CN 103979907 A CN103979907 A CN 103979907A CN 201410149732 A CN201410149732 A CN 201410149732A CN 103979907 A CN103979907 A CN 103979907A
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parts
sawdust
steam
aerated brick
strength
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CN201410149732.7A
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CN103979907B (en
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晋元龙
陈德全
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Rizhao Heng Zhou new building materials Limited by Share Ltd
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Ma'an Mountain Bao Long Building Material Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/91Use of waste materials as fillers for mortars or concrete

Abstract

The invention relates to a lightweight high-strength aerated brick, which is prepared from the following raw materials by weight: 0.3-0.5 part of alkanolamide, 0.2-0.3 part of a fluorine surfactant, 10-12 parts of cement, 3-5 parts of sepiolite velvet, 14-16 parts of quick lime, 12-14 parts of modified sawdust, 5-8 parts of gypsum, 45-50 parts of fly ash, 3-6 parts of rock wool, 4-6 parts of an alunite expansion agent, 2-4 parts of sodium poly[(naphthaleneformaldehyde)sulfonate], 2-4 parts of treated potato starch, 0.1-0.2 part of aluminum powder paste, 10-13 parts of sodium borosilicate hollow microspheres, and a proper amount of water. According to the present invention, the sodium borosilicate hollow microspheres are adopted so as to reduce the density of the aerated brick, increase the strength, increase the size stability, and increase the sound insulation effect and the thermal insulation effect; the sepiolite velvet and the rock wool are added so as to increase the breaking strength of the aerated brick; and the modified sawdust is adopted so as to reduce the dry density and the drying shrinkage value, and the water resistance of the aerated brick is increased with sawdust treated by waste engine oil.

Description

A kind of light-high-strength aerated bricks and preparation method thereof
Technical field
The invention belongs to brick field, relate in particular to a kind of light-high-strength aerated bricks and preparation method thereof.
Background technology
Aerated bricks is also called air-entrained concrete building block, application very extensively, be mainly used in load-bearing walling and non-bearing material and the filling enclosure walls around such as materials for wall, infilled wall, floor and roof boarding in mechanical factory building and covil construction.
Aerated bricks has become the leading product of building material industry at present, and country has progressively banned use of clay solid brick, is exactly instead air-entrained concrete building block gradually, autoclaved brick.
That aerated bricks has is lightweight, thermal and insulating performance good, shock resistance is strong, good processability, have certain high thermal resistance, good, the adaptable feature of sound-proofing properties, can be according to the different starting material in locality, different condition comes amount body surely to make, starting material wide material sources, can select river sand, flyash, ore in sand form etc., suit measures to local conditions, can be salvaged, environmental, really turn waste into wealth.
But the development along with building trade, buildings is more and more higher, moulding is more and more peculiar, the requirements such as the intensity of aerated bricks, density, shrinkage value, frost resistance are all increased, improving constantly along with people's living standard in addition, requirement to environment is also more and more higher, and the heat-insulating property of buildings, sound absorption qualities, radioactivity are had to higher requirement, even requires buildings to have the performance of body health benefits, therefore as required, develop the aerated bricks of excellent performance more imperative.
Summary of the invention
The object of the present invention is to provide a kind of light-high-strength aerated bricks and preparation method thereof, this aerated bricks density is little, intensity is high, while dimensional stabilizing, and sound insulation and good heat-insulation effect, breaking tenacity is high, water-tolerant.
Technical scheme of the present invention is as follows:
A light-high-strength aerated bricks, is characterized in that being made by the raw material of following weight part: alkylolamide 0.3-0.5, fluorine surfactant 0.2-0.3, cement 10-12, sepiolite cashmere 3-5, unslaked lime 14-16, modification sawdust 12-14, gypsum 5-8, flyash 45-50, rock wool 3-6, alumite plumping agent 4-6, poly-naphthaldehyde sulfonate sodium 2-4, ripe rubber powder 2-4, aluminium powder cream 0.1-0.2, borsyl tiny balloon 10-13, water are appropriate;
Described modification sawdust is made by the raw material of following weight part: sepiolite cashmere 2-3, sawdust 10-13, aerosil 1-2, ureaformal dehyde resin glue 0.4-0.7, isophorone diisocyanate 0.8-1.2, triethylamine 0.06-0.09, containing hydrogen silicone oil 0.5-0.8, hydroxy silicon oil 0.5-0.8, copper sulfate 0.01-0.02, polyvinyl alcohol 0.5-1.2, potassium hydroxide 0.6-0.7, stearic acid 1-2, calcium chloride 1-2, flyash 3-5, oxidized polyethlene wax 0.8-1, used oil 1-1.5; Making method is: sawdust powder is broken into 50-100 order particle, sprays into while stirring oxidized polyethlene wax, used oil, mix rear placement 5-7 hour, then mix with other remaining components, be heated to 75-80 ℃, dispersion grinding 20-30 minute, obtains.
The preparation method of described light-high-strength aerated bricks, is characterized in that comprising the following steps:
(1) cement, unslaked lime, gypsum, flyash are mixed, send into grinding in ball grinder and become 50-100 order particle, then mix with the composition except aluminium powder cream, by ratio of water to material, be that 0.56-0.57 adds water, stir, then add aluminium powder cream, stir and obtain slurry;
(2) slurry (1) step being obtained is poured in mould, obtains brick idiosome;
(3) brick idiosome is put into steam-cured chamber and vacuumize, then in 1.7-1.9 hour, pass into equably steam, make steam-cured indoor temperature rise to 170-180 ℃, pressure reaches 11-13MPa, keeps constant 9-12 hour;
(4) in 1.7-1.9 hour, let off steam equably, steam-cured indoor temperature is down to below 70 ℃, go out still, place 28-30 days and get final product.
Beneficial effect of the present invention
Aerated bricks of the present invention, by using borsyl tiny balloon, has reduced the density of aerated bricks, has increased intensity, has improved dimensional stability simultaneously, has also improved sound insulation and effect of heat insulation; By adding sepiolite cashmere, rock wool, increased the breaking tenacity of aerated bricks; By using modification sawdust, reduce dry density and drying shrinkage value, and the sawdust of processing by used oil, improved the water tolerance of aerated bricks.
Embodiment
A light-high-strength aerated bricks, by following weight part (kilogram) raw material make: alkylolamide 0.4, fluorine surfactant 0.3, cement 11, sepiolite cashmere 4, unslaked lime 15, modification sawdust 13, gypsum 6, flyash 48, rock wool 5, alumite plumping agent 5, poly-naphthaldehyde sulfonate sodium 3, ripe rubber powder 3, aluminium powder cream 0.15, borsyl tiny balloon 12, water are appropriate;
Described modification sawdust by following weight part (kilogram) raw material make: sepiolite cashmere 2.5, sawdust 12, aerosil 1.5, ureaformal dehyde resin glue 0.5, isophorone diisocyanate 1, triethylamine 0.07, containing hydrogen silicone oil 0.7, hydroxy silicon oil 0.7, copper sulfate 0.02, polyvinyl alcohol 0.8, potassium hydroxide 0.6, stearic acid 1.5, calcium chloride 1.5, flyash 4, oxidized polyethlene wax 0.9, used oil 1.3; Making method is: sawdust powder is broken into 80 order particles, sprays into while stirring oxidized polyethlene wax, used oil, mix rear placement 6 hours, then mix with other remaining components, be heated to 78 ℃, dispersion grinding 25 minutes, obtains.
The preparation method of described light-high-strength aerated bricks, comprises the following steps:
(1) cement, unslaked lime, gypsum, flyash being mixed, send into grinding in ball grinder and become 80 order particles, then mix with the composition except aluminium powder cream, is 0.56 to add water by ratio of water to material, stirs, then adds aluminium powder cream, stirs and obtains slurry;
(2) slurry (1) step being obtained is poured in mould, obtains brick idiosome;
(3) brick idiosome is put into steam-cured chamber and vacuumize, then in 1.8 hours, pass into equably steam, make steam-cured indoor temperature rise to 175 ℃, pressure reaches 12MPa, keeps constant 11 hours;
(4) in 1.8 hours, let off steam equably, make steam-cured indoor temperature be down to 70 ℃, go out still, place 29 days and get final product.
Experimental data:
The density of this aerated bricks is 560kg/m3, refractory temperature is 700 ℃, thermal conductivity is 0.11W/(m ℃), adopt showerhead respectively to the thick clay tile wall of 240mm and aerating brick wall spray, clay tile wall all soaked into after 12 hours, the aerating brick wall spray degree of depth that seeps water after 72 hours is 70mm, and ultimate compression strength is 7.2Mpa, sound absorption coefficient 0.56.

Claims (2)

1. a light-high-strength aerated bricks, is characterized in that being made by the raw material of following weight part: alkylolamide 0.3-0.5, fluorine surfactant 0.2-0.3, cement 10-12, sepiolite cashmere 3-5, unslaked lime 14-16, modification sawdust 12-14, gypsum 5-8, flyash 45-50, rock wool 3-6, alumite plumping agent 4-6, poly-naphthaldehyde sulfonate sodium 2-4, ripe rubber powder 2-4, aluminium powder cream 0.1-0.2, borsyl tiny balloon 10-13, water are appropriate;
Described modification sawdust is made by the raw material of following weight part: sepiolite cashmere 2-3, sawdust 10-13, aerosil 1-2, ureaformal dehyde resin glue 0.4-0.7, isophorone diisocyanate 0.8-1.2, triethylamine 0.06-0.09, containing hydrogen silicone oil 0.5-0.8, hydroxy silicon oil 0.5-0.8, copper sulfate 0.01-0.02, polyvinyl alcohol 0.5-1.2, potassium hydroxide 0.6-0.7, stearic acid 1-2, calcium chloride 1-2, flyash 3-5, oxidized polyethlene wax 0.8-1, used oil 1-1.5; Making method is: sawdust powder is broken into 50-100 order particle, sprays into while stirring oxidized polyethlene wax, used oil, mix rear placement 5-7 hour, then mix with other remaining components, be heated to 75-80 ℃, dispersion grinding 20-30 minute, obtains.
2. the preparation method of light-high-strength aerated bricks according to claim 1, is characterized in that comprising the following steps:
(1) cement, unslaked lime, gypsum, flyash are mixed, send into grinding in ball grinder and become 50-100 order particle, then mix with the composition except aluminium powder cream, by ratio of water to material, be that 0.56-0.57 adds water, stir, then add aluminium powder cream, stir and obtain slurry;
(2) slurry (1) step being obtained is poured in mould, obtains brick idiosome;
(3) brick idiosome is put into steam-cured chamber and vacuumize, then in 1.7-1.9 hour, pass into equably steam, make steam-cured indoor temperature rise to 170-180 ℃, pressure reaches 11-13MPa, keeps constant 9-12 hour;
(4) in 1.7-1.9 hour, let off steam equably, steam-cured indoor temperature is down to below 70 ℃, go out still, place 28-30 days and get final product.
CN201410149732.7A 2014-04-15 2014-04-15 A kind of light-high-strength aerated bricks and preparation method thereof Active CN103979907B (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106630795A (en) * 2016-12-16 2017-05-10 施冬美 Processing method of light-weight environment-friendly concrete
CN106631125A (en) * 2016-12-16 2017-05-10 孟志美 Processing method of aerated brick for wall body in tropical-marine-climate region
CN106631124A (en) * 2016-12-16 2017-05-10 施冬美 Processing method of fireproof heat-preservation aerated brick for wall body
CN106631126A (en) * 2016-12-16 2017-05-10 朱海东 Method for processing concrete for walls in tropical marine climate areas
CN106699032A (en) * 2016-12-16 2017-05-24 施冬美 Processing method of sound-proof combined aerated brick

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009057226A (en) * 2007-08-30 2009-03-19 Sumitomo Kinzoku Kozan Siporex Kk Method for manufacturing autoclaved lightweight concrete
CN102765908A (en) * 2012-06-30 2012-11-07 安徽中龙建材科技有限公司 Method capable of utilizing mine tailings to produce aerated hollow brick
CN102875071A (en) * 2012-08-25 2013-01-16 马鞍山豹龙新型建材有限公司 Boron slag aerated brick and preparation method thereof
CN103332949A (en) * 2013-05-30 2013-10-02 铜陵丰泽建材科技有限公司 High-strength aerated concrete block and preparation method thereof
CN103360103A (en) * 2013-04-17 2013-10-23 安徽盛仁新型建材有限公司 Fly ash concrete aerated insulating brick and production method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009057226A (en) * 2007-08-30 2009-03-19 Sumitomo Kinzoku Kozan Siporex Kk Method for manufacturing autoclaved lightweight concrete
CN102765908A (en) * 2012-06-30 2012-11-07 安徽中龙建材科技有限公司 Method capable of utilizing mine tailings to produce aerated hollow brick
CN102875071A (en) * 2012-08-25 2013-01-16 马鞍山豹龙新型建材有限公司 Boron slag aerated brick and preparation method thereof
CN103360103A (en) * 2013-04-17 2013-10-23 安徽盛仁新型建材有限公司 Fly ash concrete aerated insulating brick and production method thereof
CN103332949A (en) * 2013-05-30 2013-10-02 铜陵丰泽建材科技有限公司 High-strength aerated concrete block and preparation method thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106630795A (en) * 2016-12-16 2017-05-10 施冬美 Processing method of light-weight environment-friendly concrete
CN106631125A (en) * 2016-12-16 2017-05-10 孟志美 Processing method of aerated brick for wall body in tropical-marine-climate region
CN106631124A (en) * 2016-12-16 2017-05-10 施冬美 Processing method of fireproof heat-preservation aerated brick for wall body
CN106631126A (en) * 2016-12-16 2017-05-10 朱海东 Method for processing concrete for walls in tropical marine climate areas
CN106699032A (en) * 2016-12-16 2017-05-24 施冬美 Processing method of sound-proof combined aerated brick

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Effective date of registration: 20151230

Address after: 243100 Anhui city of Ma'anshan province Dangtu County town new neighborhood Street No. 4-4

Applicant after: Xu Junyun

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Applicant before: Ma'an Mountain Bao Long building material company limited

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Effective date of registration: 20180726

Address after: 276800 Yan Zhuang village, Yan Zhuang Town, Juxian, Rizhao City, Shandong

Patentee after: Rizhao Heng Zhou new building materials Limited by Share Ltd

Address before: 243100 New Town neighborhood 4-4, new town, new town, Dang Tu, Ma'anshan, Anhui

Patentee before: Xu Junyun

TR01 Transfer of patent right