CN103979911B - A kind of dimensionally stable aerated bricks and preparation method thereof - Google Patents
A kind of dimensionally stable aerated bricks and preparation method thereof Download PDFInfo
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- CN103979911B CN103979911B CN201410152125.6A CN201410152125A CN103979911B CN 103979911 B CN103979911 B CN 103979911B CN 201410152125 A CN201410152125 A CN 201410152125A CN 103979911 B CN103979911 B CN 103979911B
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- aerated bricks
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Abstract
A kind of dimensionally stable aerated bricks, is prepared by the raw materials in: cement 9 12, quick lime 14 16, modified sawdust 8 10, gypsum 67, flyash 47 53, polyacrylamide 12, activated alumina 24, alkylbenzenesulfonate 12, hydroxypropul starch 1 1.5, alkenyl succinic acid ester 1 1.4, sesbania gum 0.5 1, butyl acrylate 0.5 1, acrylic acid 0.5 1, lauryl sodium sulfate 0.2 0.3, ammonium persulfate 0.01 0.02, polycrystalline mullite fibre 35, aerating aluminium powder 78, nepheline powder 8 10, water are appropriate；Aerated bricks of the present invention, by using nepheline powder, polycrystalline mullite fibre, adds the intensity of aerated bricks, wearability, fire resistance, heat insulating ability, sound-proofing and dimensional stability, and drying shrinkage is low, and building safety performance is high；By using modified sawdust, enhancing sound insulation, effect of heat insulation, alleviate weight, add anti-seismic performance, water-reducing effect is good simultaneously.
Description
Technical field
The invention belongs to brick field, particularly relate to a kind of dimensionally stable aerated bricks and preparation method thereof.
Background technology
Aerated bricks is also referred to as air-entrained concrete building block, and application the most extensively, is used primarily in the materials for wall in machinery plant and civil buildings, fills the load-bearing wallings such as wall, floor and roof boarding and non-bearing material and filling enclosure wall around.
Aerated bricks has become the leading products of building material industry at present, and country the most progressively prohibits the use of clay solid brick, is the most instead exactly air-entrained concrete building block, 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 be according to local different raw material, 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., suit measures to local conditions, can be salvaged, 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, requirement to environment is more and more higher, the heat-insulating property of building, sound absorption qualities, radioactivity is had higher requirement, even requires that building has the performance of body health benefits, the most as required, the aerated bricks developing more excellent performance is imperative.
Summary of the invention
It is an object of the invention to provide a kind of dimensionally stable aerated bricks and preparation method thereof, this aerated bricks has wearability, fire resistance, heat insulating ability, sound-proofing and the dimensional stability of excellence, also has high intensity, sound insulation, good heat-insulation effect；
Technical scheme is as follows:
A kind of dimensionally stable aerated bricks, it is characterised in that be prepared by the raw materials in: cement 9-12, quick lime 14-16, modified sawdust 8-10, gypsum 6-7, flyash 47-53, polyacrylamide 1-2, activated alumina 2-4, alkylbenzenesulfonate 1-2, hydroxypropul starch 1-1.5, alkenyl succinic acid ester 1-1.4, sesbania gum 0.5-1, butyl acrylate 0.5-1, acrylic acid 0.5-1, lauryl sodium sulfate 0.2-0.3, ammonium persulfate 0.01-0.02, polycrystalline mullite fibre 3-5, aerating aluminium powder 7-8, nepheline powder 8-10, water are appropriate；
Described modified sawdust is prepared by the raw materials in: basic zirconium phosphate 2-3, sawdust 12-15, magnesium silicate 1-2, red phosphorus 0.4-0.7, borax 0.4-0.6, cobalt naphthenate 0.01-0.02, ethoxylated dodecyl alcohol 0.01-0.02, hydroxyethyl methacrylate 2-3, high-efficiency water-reducing agent of poly-carboxylic acid 1-2, acrylic acid 1-2, ammonium persulfate 0.01-0.02, zirconium nitrate 0.5-1.2, crystal whisker of gypsum 3-5, OPE 0.8-1, waste oil 2-3；Preparation method is: sawdust powder is broken into 50-100 mesh particle, sprays into OPE, waste oil while stirring, places 5-7 hour, then mixes with other residual components, be heated to 75-80 DEG C after mixing, and dispersion is ground 30-40 minute, to obtain final product.
The preparation method of described dimensionally stable aerated bricks, it is characterised in that comprise the following steps:
(1) by cement, quick lime, gypsum, flyash, the mixing of nepheline powder, send into grinding in ball grinder and become 50-100 mesh particle, then mix with the composition in addition to aluminium powder cream, it is that 0.56-0.57 adds water by ratio of water to material, stir, add aluminium powder cream, 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 to vacuumize, be then passed through 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 9-12 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 of the present invention, by using nepheline powder, polycrystalline mullite fibre, adds the intensity of aerated bricks, wearability, fire resistance, heat insulating ability, sound-proofing and dimensional stability, and drying shrinkage is low, and building safety performance is high；By using modified sawdust, enhancing sound insulation, effect of heat insulation, alleviate weight, add anti-seismic performance, water-reducing effect is good simultaneously.
Detailed description of the invention
A kind of dimensionally stable aerated bricks, is made up of the raw material of following weight portion (kilogram): cement 11, quick lime 15, modified sawdust 9, gypsum 6.5, flyash 50, polyacrylamide 1.5, activated alumina 3, alkylbenzenesulfonate 1.5, hydroxypropul starch 1.3, alkenyl succinic acid ester 1.3, sesbania gum 0.8, butyl acrylate 0.8, acrylic acid 0.7, lauryl sodium sulfate 0.2, ammonium persulfate 0.02, polycrystalline mullite fibre 4, aerating aluminium powder 7.5, nepheline powder 9, water are appropriate；
Described modified sawdust is made up of the raw material of following weight portion (kilogram): basic zirconium phosphate 2.5, sawdust 14, magnesium silicate 1.4, red phosphorus 0.6, borax 0.5, cobalt naphthenate 0.01, ethoxylated dodecyl alcohol 0.01, hydroxyethyl methacrylate 2.5, high-efficiency water-reducing agent of poly-carboxylic acid 1.5, acrylic acid 1.5, ammonium persulfate 0.01, zirconium nitrate 0.8, crystal whisker of gypsum 4, OPE 0.9, waste oil 2.5；Preparation method is: sawdust powder is broken into 80 mesh particles, sprays into OPE, waste oil while stirring, places 6 hours, then mixes with other residual components, be heated to 78 DEG C after mixing, and dispersion is ground 37 minutes, to obtain final product.
The preparation method of described dimensionally stable aerated bricks, comprises the following steps:
(1) by cement, quick lime, gypsum, flyash, the mixing of nepheline powder, send into grinding in ball grinder and become 80 mesh particles, then mix with the composition in addition to aluminium powder cream, be 0.56 addition water by ratio of water to material, stir, add aluminium powder cream, 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 to vacuumize, be then passed through steam in 1.8 hours equably, make the temperature of steam-cured indoor rise to 175 DEG C, pressure reaches 12MPa, keeps constant 11 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 29 days and get final product.
Experimental data:
The density of this aerated bricks is 608kg/m, refractory temperature is 720 DEG C, thermal conductivity factor is 0.09W/(m DEG C), use shower nozzle respectively to clay tile wall thick for 240mm and aerating brick wall spray, clay tile wall was all impregnated with after 12 hours, after aerating brick wall sprays 72 hours, the infiltration degree of depth is 70mm, and compression strength is 7.4Mpa, acoustic absorptivity 0.5.
Claims (1)
1. a dimensionally stable aerated bricks, it is characterised in that be prepared by the raw materials in: cement 9-12, quick lime 14-16, modified sawdust 8-10, gypsum 6-7, flyash 47-53, polyacrylamide 1-2, activated alumina 2-4, alkylbenzenesulfonate 1-2, hydroxypropul starch 1-1.5, alkenyl succinic acid ester 1-1.4, sesbania gum 0.5-1, butyl acrylate 0.5-1, acrylic acid 0.5-1, lauryl sodium sulfate 0.2-0.3, ammonium persulfate 0.01-0.02, polycrystalline mullite fibre 3-5, aerating aluminium powder 7-8, nepheline powder 8-10, water are appropriate；Described modified sawdust is prepared by the raw materials in: basic zirconium phosphate 2-3, sawdust 12-15, magnesium silicate 1-2, red phosphorus 0.4-0.7, borax 0.4-0.6, cobalt naphthenate 0.01-0.02, ethoxylated dodecyl alcohol 0.01-0.02, hydroxyethyl methacrylate 2-3, high-efficiency water-reducing agent of poly-carboxylic acid 1-2, acrylic acid 1-2, ammonium persulfate 0.01-0.02, zirconium nitrate 0.5-1.2, crystal whisker of gypsum 3-5, OPE 0.8-1, waste oil 2-3；The preparation method of described modified sawdust is: sawdust powder is broken into 50-100 mesh particle, sprays into OPE, waste oil while stirring, place 5-7 hour after mixing, mix with other residual components again, being heated to 75-80 DEG C, dispersion is ground 30-40 minute, to obtain final product.
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| CN201410152125.6A CN103979911B (en) | 2014-04-16 | 2014-04-16 | A kind of dimensionally stable aerated bricks and preparation method thereof |
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| CN201410152125.6A CN103979911B (en) | 2014-04-16 | 2014-04-16 | A kind of dimensionally stable aerated bricks and preparation method thereof |
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| CN103979911B true CN103979911B (en) | 2016-09-07 |
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| CN107298589A (en) * | 2017-07-26 | 2017-10-27 | 合肥大来新型建材有限公司 | A kind of crack resistence Aggregate of recycled concrete aerated bricks and preparation method thereof |
| CN107827425A (en) * | 2017-10-25 | 2018-03-23 | 马鞍山豹龙新型建材有限公司 | A kind of forming method for being incubated composite aerated brick |
| CN108101436A (en) * | 2018-02-06 | 2018-06-01 | 铜仁学院 | A kind of thermal insulation concrete of slag containing manganese and preparation method thereof |
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| 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 |
| CN102875070A (en) * | 2012-08-25 | 2013-01-16 | 马鞍山豹龙新型建材有限公司 | Acetylene sludge aerated concrete block 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 |
Family Cites Families (1)
| 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 |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN102875070A (en) * | 2012-08-25 | 2013-01-16 | 马鞍山豹龙新型建材有限公司 | Acetylene sludge 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 |
| 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 |
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Effective date of registration: 20230515 Address after: 075400 Zaoerkou Village, Xinbaoan Town, Huailai County, Zhangjiakou City, Hebei Province Patentee after: Huailai Yiyuan New Building Materials Co.,Ltd. Address before: 243100 No.3 Changshan Road, Gushu Industrial Park, Dangtu County, Ma'anshan City, Anhui Province Patentee before: MAANSHAN BAOLONG NEW BUILDING MATERIALS Co.,Ltd. |