CN102875068B - 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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- CN102875068B CN102875068B CN201210304876.6A CN201210304876A CN102875068B CN 102875068 B CN102875068 B CN 102875068B CN 201210304876 A CN201210304876 A CN 201210304876A CN 102875068 B CN102875068 B CN 102875068B
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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
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 taking cement, slag, sand, lime etc. as main raw material, add foaming agent, the solid block forming through stirring moulding, steam press maintenance, gas concrete is by purposes, can be divided into five kinds, 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 certain advantage such as intensity and workability, is that China applies the earliest, one of most popular light wall material.
Under the background becoming more and more important in the whole world energy and natural conservation; 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 economy, environment and technical elements that most countries has in construction process trade waste 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, formed the social system of large-scale production, high flow rate and many discardedization.Particularly a large amount of municipal wastes, has to adopt burn to subtract and holds 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.
Add to various trade wastes or urban construction waste as starting material aerated bricks production in, play saving natural resource, the useless environmental protection texts of profit, becomes and develops a circular economy and the power of Sustainable development.
The present invention adds in aerated bricks building waste 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 feature 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, sodium dibutyl naphthalene sulfonate dosage are 3-5%, 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, the chitosan 1-2 of aluminium powder weight
(1) calcium carbonate is carried out to modification: by scaling loss 4-5 hour at calcium carbonate 600-700 DEG C, then grind to form nanometer powder, to be equivalent to the calcium lignin sulphonate agitating with epoxy Toenol 1140,1-2% of powder weight 1-2% even admixing, and dries, and 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, comprises the following steps:
(1) sepiolite is carried out to modification: will first use 15-20% salt acid soak sepiolite 1-2 hour, and leave standstill, clarification, centrifugal, solid washes with water to neutrality, after oven dry, add the vinyltriethoxysilane that is equivalent to solid weight 3-5% to stir, dry, be ground into powder;
(2) take each starting material by formula rate, lumpy material is dropped into abrasive dust in ball mill, powder is crossed 180-200 mesh sieve;
(3) major ingredient of milled, auxiliary agent is admixed together, drop in stirrer, add appropriate water to stir into slurry;
(4) mixed slurry being stirred is injected to mould;
(5) then put into the chamber of resting at 50-60 DEG C of sealing thermal insulation, the time 1.5-2 hour that rests, the base substrate that obtains resting; (6) base substrate of resting is put into and on cutting machine, is processed into fragment of brick; (7) fragment of brick is put in high pressure autoclave and carried out steam press maintenance 3-4 hour, steam curing temperature is 180-195 DEG C, steam-cured pressure 10-11 MPa;
(8) fragment of brick in autoclave is removed pressure, lowered the temperature, goes out still, obtain product.
Beneficial effect of the present invention:
The present invention, by adopting the composition of building waste as aerated bricks, has effectively reduced environmental pollution, turns waste into wealth, and has protected environment; The present invention, by adding nanometer powder breeze, has alleviated the unit weight of brick, meanwhile, has reduced energy consumption; Brick of the present invention is heat insulation all good with sound-proofing properties, and more existing aerated bricks is significantly improved.The present invention is simultaneously by 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 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 10-15,0.1-0.3%, the gypsum 1-3 of trolamine lime weight, aluminium powder 0.02-0.08, sodium dibutyl naphthalene sulfonate dosage are 3-5%, 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, the chitosan 1-2 of aluminium powder weight
Wherein, calcium carbonate is carried out to modification: by scaling loss 4-5 hour at calcium carbonate 600-700 DEG C, then grind to form nanometer powder, to be equivalent to the calcium lignin sulphonate agitating with epoxy Toenol 1140,1-2% of powder weight 1-2% even admixing, dries,
Load weighted above-mentioned substance is processed into aerated bricks finished product by following method, concrete steps:
(1) calcium carbonate is carried out to modification: by scaling loss 4-5 hour at calcium carbonate 600-700 DEG C, then grind to form nanometer powder, to be equivalent to the calcium lignin sulphonate agitating with epoxy Toenol 1140,1-2% of powder weight 1-2% even admixing, and dries;
(2) take each starting material by formula rate, lumpy material is dropped into abrasive dust in ball mill, powder is crossed 180-200 mesh sieve;
(3) major ingredient of milled, auxiliary agent is admixed together, drop in stirrer, add appropriate water to stir into slurry;
(4) mixed slurry being stirred is injected to mould;
(5) then put into the chamber of resting at 50-60 DEG C of sealing thermal insulation, the time 1.5-2 hour that rests, the base substrate that obtains resting; (6) base substrate of resting is put into and on cutting machine, is processed into fragment of brick; (7) fragment of brick is put in high pressure autoclave and carried out steam press maintenance 6-8 hour, steam curing temperature is 180-195 DEG C, steam-cured pressure 10-11 MPa;
(8) fragment of brick in autoclave is removed pressure, lowered the temperature, goes out still, obtain product.
Embodiment 2
Take 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, 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: first use 15 % salt acid soak sepiolite 1-2 hour, leave standstill, clarification, centrifugal, solid washes with water to neutrality, after oven dry, add that to be equivalent to the vinyltriethoxysilane agitating of solid weight 3-5% even, dry, be ground into powder,
Load weighted above-mentioned substance is processed into aerated bricks finished product by following method, concrete steps:
Calcium carbonate is carried out to modification: by scaling loss at 650 DEG C, calcium carbonate 5 hours, then grind to form nanometer powder, to be equivalent to the calcium lignin sulphonate agitating with epoxy Toenol 1140,1-2% of powder weight 1-2% even admixing, and dries;
(2) take each starting material by formula rate, lumpy material is dropped into abrasive dust in ball mill, powder is crossed 180-200 mesh sieve;
(3) major ingredient of milled, auxiliary agent is admixed together, drop in stirrer, add appropriate water to stir into slurry;
(4) mixed slurry being stirred is injected to mould;
(5) then put into the chamber of resting at 50-60 DEG C of sealing thermal insulation, the time 1.5-2 hour that rests, the base substrate that obtains resting; (6) base substrate of resting is put into and on cutting machine, is processed into fragment of brick; (7) fragment of brick is put in high pressure autoclave and carried out steam press maintenance 6-8 hour, steam curing temperature is 180-195 DEG C, steam-cured pressure 10-11 MPa;
(8) fragment of brick in autoclave is removed pressure, lowered the temperature, goes out still, obtain product.
The performance test results of the aerated bricks to embodiment 2 sees the following form:
Claims (2)
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 10-15,0.1-0.3%, the gypsum 1-3 of trolamine lime weight, aluminium powder 0.02-0.08, sodium dibutyl naphthalene sulfonate dosage are 3-5%, 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, the borax 0.03-0.05 of aluminium powder weight
Described modified calcium carbonate powder is made by following method: by scaling loss 4-5 hour at calcium carbonate 600-700 DEG C, then grind to form nanometer powder, admix again that to be equivalent to the calcium lignin sulphonate agitating with epoxy Toenol 1140,1-2% of powder weight 1-2% even, dry, be ground into powder.
2. the preparation method of building waste aerated bricks as claimed in claim 1, is characterized in that, comprises the following steps:
(1) calcium carbonate is carried out to modification: by scaling loss 4-5 hour at calcium carbonate 600-700 DEG C, then grind to form nanometer powder, admix be again equivalent to the epoxy Toenol 1140 of powder weight 1-2%, the calcium lignin sulphonate of 1-2% stirs, dry, be ground into powder;
(2) take each starting material by formula rate, lumpy material is dropped into abrasive dust in ball mill, powder is crossed 180-200 mesh sieve;
(3) major ingredient of milled, auxiliary agent is admixed together, drop in stirrer, add appropriate water to stir into slurry;
(4) mixed slurry being stirred is injected to mould;
(5) then put into the chamber of resting at 50-60 DEG C of sealing thermal insulation, the time 1.5-2 hour that rests, the base substrate that obtains resting;
(6) base substrate of resting is put into and on cutting machine, is processed into fragment of brick;
(7) fragment of brick is put in high pressure autoclave and carried out steam press maintenance 6-8 hour, steam curing temperature is 180-195 DEG C, steam-cured pressure 10-11 MPa;
(8) fragment of brick in autoclave is removed pressure, lowered the temperature, goes out still, obtain product.
Priority Applications (1)
| 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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| 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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| Publication Number | Publication Date |
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| CN102875068A CN102875068A (en) | 2013-01-16 |
| CN102875068B true CN102875068B (en) | 2014-08-27 |
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Families Citing this family (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 |
| 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 |
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 |
-
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 |
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| CN102875068A (en) | 2013-01-16 |
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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 |