CN102875068A - Building rubbish aerated concrete block and preparation method thereof - Google Patents
Building rubbish aerated concrete block and preparation method thereof Download PDFInfo
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- CN102875068A CN102875068A CN2012103048766A CN201210304876A CN102875068A CN 102875068 A CN102875068 A CN 102875068A CN 2012103048766 A CN2012103048766 A CN 2012103048766A CN 201210304876 A CN201210304876 A CN 201210304876A CN 102875068 A CN102875068 A CN 102875068A
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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
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Abstract
The invention provides a building rubbish aerated concrete block which is prepared by processing the following raw materials in part by weight: 20 to 30 parts of building rubbish, 25 to 30 parts of sand, 5 to 10 parts of cement, 4 to 6 parts of modified calcium carbonate, 5 to 10 parts of carbon powder, 5 to 10 parts of ceramic factory waste, 5 to 10 parts of light calcium powder, 10 to 15 parts of lime, triethanolamine, 4 to 5 parts of gypse, 0.02-0.08 part of aluminium powder, nekal, 0.01 to 0.02 part of calcium bicarbonate, 2 to 3 parts of volcanite, 1 to 2 parts of lignocellulose, 0.3 to 0.5 part of soda ash, 0.03 to 0.05 part of borax, 1 to 2 parts of white latex, 1 to 2 parts of hydroxy propyl methyl cellulose and 1 to 2 parts of chitosan, wherein the weight of the triethanolamine is 0.1 to 0.3 percent of that of the lime, and the weight of the nekal is 3 to 5 percent of that of the aluminium powder. According to the invention, the building rubbish is added into the raw materials of the aerated concrete block, and meanwhile other conventional additives and modified nano additives are added; the aerated concrete block prepared by adopting a proper technology is low in cost and good in performance; the circulating economy effect of changing waste into valuable is realized; the pollution is reduced; and the prepared aerated concrete block has the characteristics of light volume weight, high thermal insulation performance, good sound absorption effect and high strength and can be used for non-bearing or bearing wall bodies.
Description
Technical field
The present invention relates to building material field, be specifically related to a kind of building waste aerated bricks and preparation method thereof.
Background technology
Air-entrained concrete building block is take cement, slag, sand, lime etc. as main raw material, add foaming agent, the solid block that forms through stirring moulding, steam press maintenance, gas concrete be by purposes, can be divided into five kinds on non-bearing building block, bearing building block, insulation block, wallboard and roof boarding.
Aerated bricks has that unit weight is light, heat-insulating property is high, sound-absorbing effect is good, has the advantages such as certain intensity and workability, is that China applies the earliest, one of most popular light wall material.
Under the background that the whole world energy and natural conservation become more and more important; along with the adjustment of industry policy and the raising of environmental protection consciousness; the utilization of other trade wastes also presents ascendant trend; the Heterosis of the economy that most countries has in construction process trade waste, environment and technical elements goes out positive interest; many trade wastes are proved to be and can be recycled, and become the power of developing a circular economy with Sustainable development.
Human society industry and expanding economy and human living standard's raising and diversified result thereof have then formed the social system of large-scale production, high flow rate and many discardedization.Particularly a large amount of municipal wastess is had to adopt burn to subtract and is held innoxious and landfill disposal.But land occupation and environmental pollution are still maximum social concern.Solving this strongest countermeasure of changing day by day deeply problem is to carry out rubbish and trade waste renewable resources.
With various trade wastes or urban construction waste as starting material add to aerated bricks production in, play the saving natural resource, sharp useless environmental protection texts becomes and develops a circular economy and the power of Sustainable development.
The present invention adds building waste in the aerated bricks to as starting material, has realized the cyclic utilization of waste, has reduced the pollution to environment, meets strategy of sustainable development requirement.
Summary of the invention
The invention provides a kind of building waste aerated bricks and working method thereof, aerated bricks of the present invention has that unit weight is light, heat-insulating property is high, sound-absorbing effect is good, and the characteristics that intensity is high can be used as non-bearing wall body or the body of wall of weighing uses.
Technical scheme of the present invention is as follows:
A kind of building waste aerated bricks is characterized in that, its starting material by following weight part are processed into:
Building waste 20-30, sand 25-30, cement 5-10, modified calcium carbonate 4-6, powdered carbon 5-10, the waste material 5-10 of ceramics factory, light calcium carbonate powder 5-10, lime 10-15, the 0.1-0.3% of trolamine lime weight, gypsum 2, aluminium powder 0.02-0.08, the sodium dibutyl naphthalene sulfonate dosage is the 3-5% of aluminium powder weight, Calcium hydrogen carbonate 0.01-0.02, volcanics 2-3, lignocellulose 1-2, soda ash 0.3-0.5, white glue with vinyl 1-2, Vltra tears sodium 1-2, borax 0.03-0.05, chitosan 1-2
(1) calcium carbonate is carried out modification: with calcium carbonate 600-700 ℃ lower scaling loss 4-5 hour, then grind to form nanometer powder, the calcium lignin sulphonate agitating with epoxy Toenol 1140,1-2% that is equivalent to powder weight 1-2% is even admixing, and oven dry is ground into powder.
Described a kind of building waste aerated bricks is characterized in that, its starting material by following weight part are processed into:
Building waste 25, cement 56, modified calcium carbonate 5, powdered carbon 8, ceramics factory's waste material 6, light calcium carbonate powder 12, lime 14, the 0.1-0.3% of trolamine lime weight, gypsum 2, aluminium powder 0.05, sodium dibutyl naphthalene sulfonate dosage be aluminium powder weight 4%, Calcium hydrogen carbonate 0.01, volcanics 3, lignocellulose 1.5, soda ash 0.4, white glue with vinyl 1, Vltra tears sodium 2, borax 0.04, chitosan 1.
The preparation method of described building waste aerated bricks is characterized in that, may further comprise the steps:
(1) sepiolite is carried out modification: 15-20% salt acid soak sepiolite 1-2 hour will be used first, leave standstill clarification, centrifugal, solid washes with water to neutrality, after the oven dry, add the vinyltriethoxysilane that is equivalent to solid weight 3-5% and stir, oven dry is ground into powder;
(2) take by weighing each starting material by formula rate, lumpy material is dropped into abrasive dust in the ball mill, powder is crossed the 180-200 mesh sieve;
(3) major ingredient, the auxiliary agent of milled is admixed together, drop in the stirrer, add an amount of water and stir into slurry;
(4) mixed slurry that stirs is injected mould;
(5) then put into the chamber of resting at 50-60 ℃ of sealing thermal insulation, rested the base substrate that obtains resting time 1.5-2 hour; (6) base substrate that will rest is put into and is processed into fragment of brick on the cutting machine; (7) fragment of brick is put into carried out steam press maintenance 3-4 hour in the high pressure autoclave, steam curing temperature is 180-195 ℃, steam-cured pressure 10-11 MPa;
(8) fragment of brick in the autoclave is removed pressure, lowered the temperature, goes out still, obtain product.
Beneficial effect of the present invention:
The present invention has effectively reduced environmental pollution by adopting building waste as the composition of aerated bricks, turns waste into wealth, and has protected environment; The present invention has alleviated the unit weight of brick by adding the nanometer powder breeze, simultaneously, has reduced energy consumption; Brick of the present invention is heat insulation all good with sound-proofing properties, and existing aerated bricks is significantly improved.Simultaneously the present invention is by the optimization of C/C composites materials, and intensity of the present invention, frost resistance are significantly improved.Prepared aerated bricks both can be used as non-bearing wall body and had used, and also can make bearing wall and use.
Embodiment
Embodiment 1
Take by weighing the starting material of following weight part: building waste 20-30, sand 25-30, cement 5-10, modified calcium carbonate 4-6, powdered carbon 5-10, the waste material 5-10 of ceramics factory, light calcium carbonate powder 5-10, lime 10-15, the 0.1-0.3% of trolamine lime weight, gypsum 1-3, aluminium powder 0.02-0.08, the sodium dibutyl naphthalene sulfonate dosage is the 3-5% of aluminium powder weight, Calcium hydrogen carbonate 0.01-0.02, volcanics 2-3, lignocellulose 1-2, soda ash 0.3-0.5, white glue with vinyl 1-2, borax 0.03-0.05, Vltra tears sodium 1-2, chitosan 1-2
Wherein, calcium carbonate is carried out modification: with calcium carbonate 600-700 ℃ lower scaling loss 4-5 hour, then grind to form nanometer powder, the calcium lignin sulphonate agitating with epoxy Toenol 1140,1-2% that is equivalent to powder weight 1-2% is even admixing, oven dry,
Load weighted above-mentioned substance is processed into the aerated bricks finished product by following method, concrete steps:
(1) calcium carbonate is carried out modification: with calcium carbonate 600-700 ℃ lower scaling loss 4-5 hour, then grind to form nanometer powder, the calcium lignin sulphonate agitating with epoxy Toenol 1140,1-2% that is equivalent to powder weight 1-2% is even admixing, oven dry;
(2) take by weighing each starting material by formula rate, lumpy material is dropped into abrasive dust in the ball mill, powder is crossed the 180-200 mesh sieve;
(3) major ingredient, the auxiliary agent of milled is admixed together, drop in the stirrer, add an amount of water and stir into slurry;
(4) mixed slurry that stirs is injected mould;
(5) then put into the chamber of resting at 50-60 ℃ of sealing thermal insulation, rested the base substrate that obtains resting time 1.5-2 hour; (6) base substrate that will rest is put into and is processed into fragment of brick on the cutting machine; (7) fragment of brick is put into carried out steam press maintenance 6-8 hour in the high pressure autoclave, steam curing temperature is 180-195 ℃, steam-cured pressure 10-11 MPa;
(8) fragment of brick in the autoclave is removed pressure, lowered the temperature, goes out still, obtain product.
Embodiment 2
Take by weighing the starting material of following weight part: building waste 25, cement 56, modified calcium carbonate 5, powdered carbon 8, ceramics factory's waste material 6, light calcium carbonate powder 12, lime 14, the 0.1-0.3% of trolamine lime weight, gypsum 2, aluminium powder 0.05, the sodium dibutyl naphthalene sulfonate dosage is 4% of aluminium powder weight, Calcium hydrogen carbonate 0.01, volcanics 3, lignocellulose 1.5, soda ash 0.4, white glue with vinyl 1, borax 0.04, Vltra tears sodium 2, chitosan 1, wherein, modified calcium carbonate is made by following method: use first 15 % salt acid soak sepiolites 1-2 hour, leave standstill, clarification, centrifugal, solid washes with water to neutrality, after the oven dry, add the vinyltriethoxysilane agitating that is equivalent to solid weight 3-5% even, oven dry, be ground into powder
Load weighted above-mentioned substance is processed into the aerated bricks finished product by following method, concrete steps:
Calcium carbonate is carried out modification: with 650 ℃ of lower scaling loss of calcium carbonate 5 hours, then grind to form nanometer powder, the calcium lignin sulphonate agitating with epoxy Toenol 1140,1-2% that is equivalent to powder weight 1-2% is even admixing, oven dry;
(2) take by weighing each starting material by formula rate, lumpy material is dropped into abrasive dust in the ball mill, powder is crossed the 180-200 mesh sieve;
(3) major ingredient, the auxiliary agent of milled is admixed together, drop in the stirrer, add an amount of water and stir into slurry;
(4) mixed slurry that stirs is injected mould;
(5) then put into the chamber of resting at 50-60 ℃ of sealing thermal insulation, rested the base substrate that obtains resting time 1.5-2 hour; (6) base substrate that will rest is put into and is processed into fragment of brick on the cutting machine; (7) fragment of brick is put into carried out steam press maintenance 6-8 hour in the high pressure autoclave, steam curing temperature is 180-195 ℃, steam-cured pressure 10-11 MPa;
(8) fragment of brick in the autoclave is removed pressure, lowered the temperature, goes out still, obtain product.
Performance test results to the aerated bricks of embodiment 2 sees the following form:
Claims (3)
1. a building waste aerated bricks is characterized in that, its starting material by following weight part are processed into:
Building waste 20-30, sand 25-30, cement 5-10, modified calcium carbonate powder 4-6, powdered carbon 5-10, the waste material 5-10 of ceramics factory, light calcium carbonate powder 5-10, lime 10-15, the 0.1-0.3% of trolamine lime weight, gypsum 1-3, aluminium powder 0.02-0.08, the sodium dibutyl naphthalene sulfonate dosage is the 3-5% of aluminium powder weight, Calcium hydrogen carbonate 0.01-0.02, volcanics 2-3, lignocellulose 1-2, soda ash 0.3-0.5, white glue with vinyl 1-2, Vltra tears sodium 1-2, chitosan 1-2, borax 0.03-0.05
Described modified calcium carbonate powder is made by following method: with calcium carbonate 600-700 ℃ lower scaling loss 4-5 hour, then grind to form nanometer powder, the calcium lignin sulphonate agitating with epoxy Toenol 1140,1-2% that is equivalent to powder weight 1-2% is even admixing, and oven dry is ground into powder.
2. a kind of building waste aerated bricks according to claim 1 is characterized in that, its starting material by following weight part are processed into:
Building waste 25, cement 56, modified calcium carbonate 5, powdered carbon 8, ceramics factory's waste material 6, light calcium carbonate powder 12, lime 14, the 0.1-0.3% of trolamine lime weight, gypsum 2, aluminium powder 0.05, sodium dibutyl naphthalene sulfonate dosage be aluminium powder weight 4%, Calcium hydrogen carbonate 0.01, volcanics 3, lignocellulose 1.5, soda ash 0.4, white glue with vinyl 1, Vltra tears sodium 2, borax 0.04, chitosan 1.
3. the preparation method of building waste aerated bricks as claimed in claim 1 or 2 is characterized in that, may further comprise the steps:
(1) calcium carbonate is carried out modification: with calcium carbonate 600-700 ℃ lower scaling loss 4-5 hour, then grind to form nanometer powder, the calcium lignin sulphonate agitating with epoxy Toenol 1140,1-2% that is equivalent to powder weight 1-2% is even admixing, and oven dry is ground into powder;
(2) take by weighing each starting material by formula rate, lumpy material is dropped into abrasive dust in the ball mill, powder is crossed the 180-200 mesh sieve;
(3) major ingredient, the auxiliary agent of milled is admixed together, drop in the stirrer, add an amount of water and stir into slurry;
(4) mixed slurry that stirs is injected mould;
(5) then put into the chamber of resting at 50-60 ℃ of sealing thermal insulation, rested the base substrate that obtains resting time 1.5-2 hour; (6) base substrate that will rest is put into and is processed into fragment of brick on the cutting machine; (7) fragment of brick is put into carried out steam press maintenance 6-8 hour in the high pressure autoclave, steam curing temperature is 180-195 ℃, steam-cured pressure 10-11 MPa;
(8) fragment of brick in the autoclave is removed pressure, lowered the temperature, goes out still, obtain product.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210304876.6A CN102875068B (en) | 2012-08-25 | 2012-08-25 | Building rubbish aerated concrete block and preparation method thereof |
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| CN201210304876.6A CN102875068B (en) | 2012-08-25 | 2012-08-25 | Building rubbish aerated concrete block and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103449767A (en) * | 2013-07-31 | 2013-12-18 | 潘逸东 | Air-added brick added with nano powder |
| CN103771819A (en) * | 2014-01-14 | 2014-05-07 | 安徽盛仁新型建材有限公司 | Stone dust waste residue aerated brick and preparation method thereof |
| CN104230285A (en) * | 2014-08-15 | 2014-12-24 | 五河鼎顺新型建材有限公司 | Unfired hollow brick and preparation method thereof |
| CN104860707A (en) * | 2015-05-07 | 2015-08-26 | 邹文君 | Foam brick produced from waste paper and preparation method thereof |
| CN114230246A (en) * | 2021-12-20 | 2022-03-25 | 杭州汉特建材有限公司 | Anti-freezing green vegetation concrete and preparation method thereof |
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| CN101050129A (en) * | 2007-05-09 | 2007-10-10 | 徐振飞 | Heat preservation and energy saving type lightweight, gas filled wall bricks, and preparation method |
| CN101289326A (en) * | 2008-06-06 | 2008-10-22 | 福建省万旗非金属材料有限公司 | Process for preparing vapour pressure air-entrained concrete light heat-insulation fireproof bricks by porcelain clay tailings |
| CN102295441A (en) * | 2011-05-27 | 2011-12-28 | 张兴华 | Aerated concrete brick produced by using tailing slags |
| CN102617076A (en) * | 2012-03-26 | 2012-08-01 | 鞍山全益居环保建材有限公司 | Unsteamed concrete air-filled insulating brick produced from building waste, and production method thereof |
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2012
- 2012-08-25 CN CN201210304876.6A patent/CN102875068B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101050129A (en) * | 2007-05-09 | 2007-10-10 | 徐振飞 | Heat preservation and energy saving type lightweight, gas filled wall bricks, and preparation method |
| CN101289326A (en) * | 2008-06-06 | 2008-10-22 | 福建省万旗非金属材料有限公司 | Process for preparing vapour pressure air-entrained concrete light heat-insulation fireproof bricks by porcelain clay tailings |
| CN102295441A (en) * | 2011-05-27 | 2011-12-28 | 张兴华 | Aerated concrete brick produced by using tailing slags |
| CN102617076A (en) * | 2012-03-26 | 2012-08-01 | 鞍山全益居环保建材有限公司 | Unsteamed concrete air-filled insulating brick produced from building waste, and production method thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103449767A (en) * | 2013-07-31 | 2013-12-18 | 潘逸东 | Air-added brick added with nano powder |
| CN103771819A (en) * | 2014-01-14 | 2014-05-07 | 安徽盛仁新型建材有限公司 | Stone dust waste residue aerated brick and preparation method thereof |
| CN104230285A (en) * | 2014-08-15 | 2014-12-24 | 五河鼎顺新型建材有限公司 | Unfired hollow brick and preparation method thereof |
| CN104860707A (en) * | 2015-05-07 | 2015-08-26 | 邹文君 | Foam brick produced from waste paper and preparation method thereof |
| CN114230246A (en) * | 2021-12-20 | 2022-03-25 | 杭州汉特建材有限公司 | Anti-freezing green vegetation concrete and preparation method thereof |
| CN114230246B (en) * | 2021-12-20 | 2022-10-25 | 杭州汉特建材有限公司 | Anti-freezing green vegetation concrete and preparation method thereof |
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| CN102875068B (en) | 2014-08-27 |
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Effective date of registration: 20210428 Address after: 221000 No.5 industrial concentration area, Wangji Town, Suining County, Xuzhou City, Jiangsu Province Patentee after: Xuzhou Bochuang New Material Technology Co.,Ltd. Address before: 243100 Anhui city of Ma'anshan province Dangtu County regardless of what industrial garden road No. 3 Patentee before: MAANSHAN BAOLONG NEW BUILDING MATERIALS Co.,Ltd. |
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Effective date of registration: 20211009 Address after: 516100 wugao section, Dakeng office, Yangqiao Town, BOLUO County, Huizhou City, Guangdong Province Patentee after: Huizhou Gaoyuan Environmental Protection Technology Co.,Ltd. Address before: 221000 No. 5, industrial concentration zone, Wangji Town, Suining County, Xuzhou City, Jiangsu Province Patentee before: Xuzhou Bochuang New Material Technology Co.,Ltd. |
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Granted publication date: 20140827 |