CN102875074B - Waste cement road slag aerated concrete block and preparation method thereof - Google Patents

Waste cement road slag aerated concrete block and preparation method thereof Download PDF

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Publication number
CN102875074B
CN102875074B CN201210306012.8A CN201210306012A CN102875074B CN 102875074 B CN102875074 B CN 102875074B CN 201210306012 A CN201210306012 A CN 201210306012A CN 102875074 B CN102875074 B CN 102875074B
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parts
powder
weight
concrete block
trichroite
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CN102875074A (en
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晋元龙
陈德全
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Lincang Huawen Industrial Materials Co.,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 provides a waste cement road slag aerated concrete block which is prepared by processing the following raw materials in part by weight: 20-30 parts of waste cement road slag, 25-30 parts of sand, 5-10 parts of cement, 4-6 parts of modified dichroite powder, 5-10 parts of hollow glass microspheres, 5-10 parts of urban inorganic garbage, 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, nekal, 0.01-0.02 part of calcium bicarbonate, 2-3 parts of volcanite, 1-2 parts of lignocellulose, 0.3-0.5 part of soda ash, 0.03-0.05 part of borax, 1-2 parts of white latex, 1-2 parts of hydroxy propyl methyl cellulose sodium and 1-2 parts of chitosan, wherein the weight of the triethanolamine is 0.1-0.3 percent of that of the lime, and the weight of the nekal is 3-5 percent of that of the aluminium powder. According to the invention, the waste cement road slag 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.

Description

A kind of waste water road slag aerated bricks and preparation method thereof
Technical field
The present invention relates to building material field, be specifically related to a kind of waste water road slag aerated bricks and preparation method thereof.Background technology
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 waste water road slag in 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 waste water road 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 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 waste water road slag aerated bricks, is characterized in that, its starting material by following weight part are processed into:
Waste water road slag 20-30, sand 25-30, cement 5-10, modification trichroite 4-6, hollow glass microbead 5-10, city inorganic refuse 5-10, light calcium carbonate powder 5-10, lime 10-15, the addition of trolamine is the 0.1-0.3% of lime weight, gypsum 1-3, aluminium powder 0.02-0.08, the addition of sodium dibutyl naphthalene sulfonate 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) trichroite is carried out to modification: by scaling loss 4-5 hour at trichroite 800-900 DEG C, then grind to form nanometer powder, add the calcium lignin sulphonate agitating of the dioctyl maleate, the 1-2% that are equivalent to powder weight 1-2% even, dry, be ground into powder.
The preparation method of described waste water road slag aerated bricks, is characterized in that, comprises the following steps:
(1) to trichroite modification: by scaling loss 4-5 hour at trichroite 800-900 DEG C, then grind to form nanometer powder, add the calcium lignin sulphonate agitating of the dioctyl maleate, the 1-2% that are equivalent to powder weight 1-2% even, 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.
Beneficial effect of the present invention:
The present invention, by adopting the composition of waste water road slag 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; Aerated bricks 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, the frost resistance of aerated bricks of the present invention 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 1
Take the starting material of following weight part: waste water road slag 20-30, sand 25-30, cement 5-10, modification trichroite powder 4-6, hollow glass microbead 5-10, city inorganic refuse 5-10, light calcium carbonate powder 5-10, lime 10-15, the addition of trolamine is the 0.1-0.3% of lime weight, gypsum 1-3, aluminium powder 0.02-0.08, the addition of sodium dibutyl naphthalene sulfonate 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,
embodiment
Load weighted above-mentioned substance is processed into aerated bricks finished product by following method, concrete steps:
(1) trichroite is carried out to modification: by scaling loss 4-5 hour at trichroite 800-900 DEG C, then grind to form nanometer powder, add the calcium lignin sulphonate agitating of the dioctyl maleate, the 1-2% that are equivalent to powder weight 1-2% even, dry;
(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: waste water road slag 25, cement 56, nanometer cordierite powder 5, hollow glass microbead 8, city inorganic refuse 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, modification trichroite 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:
Trichroite is carried out to modification: by scaling loss at 850 DEG C of trichroites 5 hours, then grind to form nanometer powder, to be equivalent to the calcium lignin sulphonate agitating with dioctyl maleate, 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 waste water road slag aerated bricks, is characterized in that, its starting material by following weight part are processed into:
The addition of waste water road slag 20-30, sand 25-30, cement 5-10, modification trichroite powder 4-6, hollow glass microbead 5-10, city inorganic refuse 5-10, light calcium carbonate powder 5-10, lime 10-15, trolamine is that the addition of the 0.1-0.3% of lime weight, gypsum 1-3, aluminium powder 0.02-0.08, sodium dibutyl naphthalene sulfonate is 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 modification trichroite powder is made by following method: by scaling loss 4-5 hour at trichroite 800-900 DEG C, then grind to form nanometer powder, add the calcium lignin sulphonate agitating of the dioctyl maleate, the 1-2% that are equivalent to powder weight 1-2% even, dry, be ground into powder.
2.the preparation method of waste water road slag aerated bricks as claimed in claim 1, is characterized in that, comprises the following steps:
(1) trichroite is carried out to modification: by scaling loss 4-5 hour at trichroite 800-900 DEG C, then grind to form nanometer powder, add the calcium lignin sulphonate agitating of the dioctyl maleate, the 1-2% that are equivalent to powder weight 1-2% even, 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.
CN201210306012.8A 2012-08-25 2012-08-25 Waste cement road slag aerated concrete block and preparation method thereof Active CN102875074B (en)

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103449764A (en) * 2013-07-31 2013-12-18 潘逸东 Heat-resistant aerated brick
CN103449765A (en) * 2013-07-31 2013-12-18 潘逸东 Preparation method of anti-corrosion aerated brick
CN103449763A (en) * 2013-07-31 2013-12-18 潘逸东 Anti-crack aerated brick
CN103449767A (en) * 2013-07-31 2013-12-18 潘逸东 Air-added brick added with nano powder
CN103449771A (en) * 2013-08-05 2013-12-18 潘逸东 Waterproof aerated brick

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1072160A (en) * 1992-08-15 1993-05-19 张维一 Non-burning blocks with building refuse and manufacture method thereof
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
CN101954666A (en) * 2009-07-16 2011-01-26 山东九曲圣基新型建材有限公司 Method for preparing aerated bricks
CN102603358A (en) * 2012-03-26 2012-07-25 遵化市海祥新型建材有限责任公司 Production method for iron tailing sand aerated concrete building block

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1072160A (en) * 1992-08-15 1993-05-19 张维一 Non-burning blocks with building refuse and manufacture method thereof
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
CN101954666A (en) * 2009-07-16 2011-01-26 山东九曲圣基新型建材有限公司 Method for preparing aerated bricks
CN102603358A (en) * 2012-03-26 2012-07-25 遵化市海祥新型建材有限责任公司 Production method for iron tailing sand aerated concrete building block

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Effective date of registration: 20210508

Address after: 221000 one kilometer north of Fengjin Road East, Shunzhang Road West, Shunhe Town, Fengxian County, Xuzhou City, Jiangsu Province

Patentee after: Jiangsu dingxu energy saving building materials technology 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.

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Effective date of registration: 20211029

Address after: 677000 in Lincang Zhenyuan smelting silicon Co., Ltd., Wenwei village, ganpan street, Linxiang District, Lincang City, Yunnan Province

Patentee after: Lincang Huawen Industrial Materials Co.,Ltd.

Address before: 221000 one kilometer north of Fengjin Road East, Shunzhang Road West, Shunhe Town, Fengxian County, Xuzhou City, Jiangsu Province

Patentee before: Jiangsu dingxu energy saving building materials technology Co.,Ltd.

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