CN102875070A - Acetylene sludge aerated concrete block and preparation method thereof - Google Patents
Acetylene sludge aerated concrete block and preparation method thereof Download PDFInfo
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- CN102875070A CN102875070A CN2012103048802A CN201210304880A CN102875070A CN 102875070 A CN102875070 A CN 102875070A CN 2012103048802 A CN2012103048802 A CN 2012103048802A CN 201210304880 A CN201210304880 A CN 201210304880A CN 102875070 A CN102875070 A CN 102875070A
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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 an acetylene sludge aerated concrete block, which is prepared by processing the following raw materials in part by weight: 20-30 parts of acetylene sludge, 25-30 parts of coal ash, 5-10 parts of cement, 4-6 parts of modified attapulgite, 5-10 parts of water treatment sludge, 5-10 parts of soda residue, 5-10 parts of light calcium powder, 10-15 parts of lime, triethanolamine, 4-5 parts of gypse, 0.02-0.08 part of aluminium powder, oxidized paraffin wax soap, 0.01-0.02 part of calcium bicarbonate, 2-3 parts of chelky slag, 1-2 parts of lignocellulose, 0.3-0.5 part of water glass, 0.03-0.05 part of borax, 1-2 parts of sodium hexametaphosphate, 1-2 parts of hydroxy propyl methyl cellulose sodium and 1-2 parts of superfine polyvinyl alcohol, wherein the weight of the triethanolamine is 0.1-0.3 percent of that of the lime, and the weight of the oxidized paraffin wax soap is 3-5 percent of that of the aluminium powder. According to the invention, the acetylene sludge 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 is prepared by adopting a proper technology and 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 carbide slag 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 carbide slag to and has realized the cyclic utilization of waste in the aerated bricks as starting material, reduced the pollution to environment, meets strategy of sustainable development requirement.
Summary of the invention
The invention provides a kind of carbide slag 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 carbide slag aerated bricks is characterized in that, its starting material by following weight part are processed into:
Carbide slag 20-30, flyash 25-30, cement 5-10, attapulgite modified 4-6, water treatment sludge 5-10, alkaline residue 5-10, 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 oxidized paraffin wax soap dosage is the 3-5% of aluminium powder weight, Calcium hydrogen carbonate 0.01-0.02, clay dregs 2-3, lignocellulose 1-2, water glass 0.3-0.5, Sodium hexametaphosphate 99 1-2, Vltra tears sodium 1-2, borax 0.03-0.05, micronized polyethylene alcohol 1-2
Attapulgite is carried out modification: use first 15-20% salt acid soak attapulgite 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 grinds to form nanometer powder.
Described a kind of carbide slag aerated bricks is characterized in that, its starting material by following weight part are processed into:
Carbide slag 25, cement 56, attapulgite modified 5, water treatment sludge 8, alkaline residue 6, light calcium carbonate powder 12, lime 14, the 0.1-0.3% of trolamine lime weight, gypsum 2, aluminium powder 0.05, oxidized paraffin wax soap dosage be aluminium powder weight 4%, Calcium hydrogen carbonate 0.01, clay dregs 3, lignocellulose 1.5, water glass 0.4, Sodium hexametaphosphate 99 1, Vltra tears sodium 2, borax 0.04, micronized polyethylene alcohol 1.
The preparation method of described carbide slag aerated bricks is characterized in that, may further comprise the steps:
(1) attapulgite is carried out modification: use first 15-20% salt acid soak attapulgite 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 grinds to form nanometer powder;
(2) starting material that take by weighing by formula rate drop into abrasive dust in the ball mill with lumpy material, and powder is crossed the 180-200 mesh sieve;
(3) powder, the auxiliary agent of milled is admixed together, drop in the stirrer, add again 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.
Beneficial effect of the present invention:
The present invention has effectively reduced environmental pollution by adopting carbide slag 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: carbide slag 20-30, flyash 25-30, cement 5-10, modified Nano attapulgite 4-6, water treatment sludge 5-10, alkaline residue 5-10, 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 oxidized paraffin wax soap dosage is the 3-5% of aluminium powder weight, Calcium hydrogen carbonate 0.01-0.02, clay dregs 2-3, lignocellulose 1-2, water glass 0.3-0.5, Sodium hexametaphosphate 99 1-2, borax 0.03-0.05, Vltra tears sodium 1-2, micronized polyethylene alcohol 1-2
Wherein, attapulgite is carried out modification: use first 15-20% salt acid soak attapulgite 1-2 hour, leave standstill, clarification, centrifugal, solid washes with water to neutrality, and after the oven dry, the vinyltriethoxysilane agitating that adding is equivalent to solid weight 3-5% is even, oven dry grinds to form nanometer powder
Load weighted above-mentioned substance is processed into the aerated bricks finished product by following method, concrete steps:
(1) attapulgite is carried out modification: use first 15-20% salt acid soak attapulgite 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 grinds to form nanometer powder;
(2) starting material that take by weighing by formula rate drop into abrasive dust in the ball mill with lumpy material, and powder is crossed the 180-200 mesh sieve;
(3) powder, the auxiliary agent of milled is admixed together, drop in the stirrer, add again 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: carbide slag 25, cement 56, modified Nano attapulgite 5, water treatment sludge 8, alkaline residue 6, light calcium carbonate powder 12, lime 14, the 0.1-0.3% of trolamine lime weight, gypsum 2, aluminium powder 0.05, the oxidized paraffin wax soap dosage is 4% of aluminium powder weight, Calcium hydrogen carbonate 0.01, clay dregs 3, lignocellulose 1.5, water glass 0.4, Sodium hexametaphosphate 99 1, borax 0.04, Vltra tears sodium 2, micronized polyethylene alcohol 1, wherein, attapulgite modifiedly 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:
(1) attapulgite is carried out modification: use first 15-20% salt acid soak attapulgite 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 grinds to form nanometer powder;
(2) starting material that take by weighing by formula rate drop into abrasive dust in the ball mill with lumpy material, and powder is crossed the 180-200 mesh sieve;
(3) powder, the auxiliary agent of milled is admixed together, drop in the stirrer, add again 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 carbide slag aerated bricks is characterized in that, its starting material by following weight part are processed into:
Carbide slag 20-30, flyash 25-30, cement 5-10, modified Nano attapulgite 4-6, water treatment sludge 5-10, alkaline residue 5-10, 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 oxidized paraffin wax soap dosage is the 3-5% of aluminium powder weight, Calcium hydrogen carbonate 0.01-0.02, clay dregs 2-3, lignocellulose 1-2, water glass 0.3-0.5, Sodium hexametaphosphate 99 1-2, Vltra tears sodium 1-2, micronized polyethylene alcohol 1-2, borax 0.03-0.05
Described modified Nano attapulgite is made by following method: use first 15-20% salt acid soak attapulgite 1-2 hour, leave standstill, clarification, centrifugal, solid washes with water to neutrality, and after the oven dry, the vinyltriethoxysilane agitating that adding is equivalent to solid weight 3-5% is even, oven dry grinds to form nanometer powder.
2. a kind of carbide slag aerated bricks according to claim 1 is characterized in that, its starting material by following weight part are processed into:
Carbide slag 25, cement 56, attapulgite modified 5, water treatment sludge 8, alkaline residue 6, light calcium carbonate powder 12, lime 14, trolamine dosage be 0.1-0.3%, gypsum 2, aluminium powder 0.05, the oxidized paraffin wax soap dosage of lime weight be aluminium powder weight 4%, Calcium hydrogen carbonate 0.01, clay dregs 3, lignocellulose 1.5, water glass 0.4, Sodium hexametaphosphate 99 1, Vltra tears sodium 2, borax 0.04, micronized polyethylene alcohol 1.
3. the preparation method of carbide slag aerated bricks as claimed in claim 1 or 2 is characterized in that, may further comprise the steps:
(1) attapulgite is carried out modification: use first 15-20% salt acid soak attapulgite 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 grinds to form nanometer powder;
(2) starting material that take by weighing by formula rate drop into abrasive dust in the ball mill with lumpy material, and powder is crossed the 180-200 mesh sieve;
(3) powder, the auxiliary agent of milled is admixed together, drop in the stirrer, add again 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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| CN201210304880.2A CN102875070B (en) | 2012-08-25 | 2012-08-25 | Acetylene sludge aerated concrete block and preparation method thereof |
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| CN201210304880.2A CN102875070B (en) | 2012-08-25 | 2012-08-25 | Acetylene sludge aerated concrete block and preparation method thereof |
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| CN102875070B CN102875070B (en) | 2014-08-13 |
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| CN103449796A (en) * | 2013-07-05 | 2013-12-18 | 宇星科技发展(深圳)有限公司 | Sludge autoclaved brick and preparation method thereof |
| CN103449836A (en) * | 2013-07-31 | 2013-12-18 | 潘逸东 | Aerated brick containing asbestos fiber carbide slag composite particles |
| CN103467011A (en) * | 2013-08-05 | 2013-12-25 | 安徽中龙建材科技有限公司 | High strength dolomite aerated block |
| CN103526850A (en) * | 2013-10-13 | 2014-01-22 | 许庆华 | Unfired carbide slag foamed acoustic panel |
| CN103553465A (en) * | 2013-10-28 | 2014-02-05 | 安徽美源环保科技有限公司 | Waste curing agent containing modified nano carbide slag |
| CN103553531A (en) * | 2013-10-28 | 2014-02-05 | 安徽星华环保科技有限公司 | Waste curing agent containing modified blast furnace slag |
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| CN103833276A (en) * | 2014-01-14 | 2014-06-04 | 安徽盛仁新型建材有限公司 | Environment-friendly lightweight calcium carbide slag aerated brick and manufacturing method thereof |
| CN103880469A (en) * | 2014-02-11 | 2014-06-25 | 马鞍山豹龙新型建材有限公司 | Carbide slag aerated brick and production method thereof |
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| CN107500624A (en) * | 2017-08-22 | 2017-12-22 | 普定县银丰农业科技发展有限公司 | A kind of water-permeable brick and preparation method thereof |
| CN108383469A (en) * | 2018-02-10 | 2018-08-10 | 雷春生 | A kind of preparation method of Anti-pressure no-baking carbide residue brick |
| CN109336475A (en) * | 2018-10-12 | 2019-02-15 | 东南大学 | A kind of 3D printing alkali-activated carbonatite cementitious material |
| CN109293313A (en) * | 2018-11-24 | 2019-02-01 | 深圳市深广通环保建材有限公司 | A kind of brick made of mud and its preparation process |
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