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CN102875070B - Acetylene sludge aerated concrete block and preparation method thereof - Google Patents

Acetylene sludge aerated concrete block and preparation method thereof Download PDF

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Publication number
CN102875070B
CN102875070B CN201210304880.2A CN201210304880A CN102875070B CN 102875070 B CN102875070 B CN 102875070B CN 201210304880 A CN201210304880 A CN 201210304880A CN 102875070 B CN102875070 B CN 102875070B
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parts
weight
powder
attapulgite
concrete block
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Expired - Fee Related
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CN201210304880.2A
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Chinese (zh)
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CN102875070A (en
Inventor
晋元龙
陈德全
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Guangdong Hesheng Construction Engineering 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

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  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Processing Of Solid Wastes (AREA)

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

A kind of carbide slag aerated bricks and preparation method thereof
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 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 and has realized the cyclic utilization of waste carbide slag as starting material, has 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 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 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, oxidized paraffin wax soap dosage are 3-5%, 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, the micronized polyethylene alcohol 1-2 of aluminium powder weight
Attapulgite is carried out to modification: first use 15-20% salt acid soak attapulgite 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, grind 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, comprises the following steps:
(1) attapulgite is carried out to modification: first use 15-20% salt acid soak attapulgite 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, grind to form nanometer powder;
(2) starting material that take by formula rate, drop into abrasive dust in ball mill by lumpy material, and powder is crossed 180-200 mesh sieve;
(3) powder of milled, auxiliary agent is admixed together, drop in stirrer, then 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 carbide 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; 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: 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, 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 to modification: first use 15-20% salt acid soak attapulgite 1-2 hour, leave standstill, clarification, centrifugal, solid washes with water to neutrality, after oven dry, adds that to be equivalent to the vinyltriethoxysilane agitating of solid weight 3-5% even, dry, grind to form nanometer powder
Load weighted above-mentioned substance is processed into aerated bricks finished product by following method, concrete steps:
(1) attapulgite is carried out to modification: first use 15-20% salt acid soak attapulgite 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, grind to form nanometer powder;
(2) starting material that take by formula rate, drop into abrasive dust in ball mill by lumpy material, and powder is crossed 180-200 mesh sieve;
(3) powder of milled, auxiliary agent is admixed together, drop in stirrer, then 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: 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, 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: 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:
(1) attapulgite is carried out to modification: first use 15-20% salt acid soak attapulgite 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, grind to form nanometer powder;
(2) starting material that take by formula rate, drop into abrasive dust in ball mill by lumpy material, and powder is crossed 180-200 mesh sieve;
(3) powder of milled, auxiliary agent is admixed together, drop in stirrer, then 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 (1)

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, trolamine dosage are that 0.1-0.3%, gypsum 1-3, aluminium powder 0.02-0.08, the oxidized paraffin wax soap dosage of lime weight is 3-5%, 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, the borax 0.03-0.05 of aluminium powder weight
Described modified Nano attapulgite is made by following method: first use 15-20% salt acid soak attapulgite 1-2 hour, leave standstill, clarification, centrifugal, solid washes with water to neutrality, after oven dry, adds that to be equivalent to the vinyltriethoxysilane agitating of solid weight 3-5% even, dry, grind to form nanometer powder.
2.the preparation method of carbide slag aerated bricks as claimed in claim 1, is characterized in that, comprises the following steps:
(1) attapulgite is carried out to modification: first use 15-20% salt acid soak attapulgite 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, grind to form nanometer powder;
(2) starting material that take by formula rate, drop into abrasive dust in ball mill by lumpy material, and powder is crossed 180-200 mesh sieve;
(3) powder of milled, auxiliary agent is admixed together, drop in stirrer, then 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.
CN201210304880.2A 2012-08-25 2012-08-25 Acetylene sludge aerated concrete block and preparation method thereof Expired - Fee Related CN102875070B (en)

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CN103449836A (en) * 2013-07-31 2013-12-18 潘逸东 Aerated brick containing asbestos fiber carbide slag composite particles
CN103467011B (en) * 2013-08-05 2015-12-09 安徽中龙建材科技有限公司 A kind of strength dolomite aerated-block
CN103526850B (en) * 2013-10-13 2016-07-06 华东交通大学 No-baking carbide residue foaming abatvoix
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CN103553465B (en) * 2013-10-28 2015-12-30 安徽美源环保科技有限公司 A kind of rejected material solidifying agent containing modified Nano carbide slag
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CN103880469B (en) * 2014-02-11 2016-03-09 合肥蓝科新材料有限公司 A kind of carbide slag aerated bricks and preparation method thereof
CN103979866B (en) * 2014-04-15 2016-06-29 徐俊云 A kind of containing Mayan indigo plant aerated bricks and preparation method thereof
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CN104058703B (en) * 2014-05-29 2016-03-23 蚌埠华东石膏有限公司 A kind of cracking resistance aerated bricks
CN103979758B (en) * 2014-06-01 2015-10-28 重庆愚吉机械制造有限公司 Mud after acidifying
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CN106380172A (en) * 2016-08-31 2017-02-08 郭迎庆 Preparation method for mould-proof antifreeze aerated brick
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
CN109293313B (en) * 2018-11-24 2021-04-06 深圳市深广通环保建材有限公司 Sludge brick and preparation process thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101108771A (en) * 2006-07-19 2008-01-23 陈泽远 Method for preparing baking-free steaming-free brick by using pure slag self-generated binder
CN101215142A (en) * 2008-01-04 2008-07-09 华中科技大学 Bayer process red mud composite brick and producing method thereof
CN101412611A (en) * 2007-10-17 2009-04-22 李学林 Utilize flyash and carbide slag to make the method for autoclaved brick

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101108771A (en) * 2006-07-19 2008-01-23 陈泽远 Method for preparing baking-free steaming-free brick by using pure slag self-generated binder
CN101412611A (en) * 2007-10-17 2009-04-22 李学林 Utilize flyash and carbide slag to make the method for autoclaved brick
CN101215142A (en) * 2008-01-04 2008-07-09 华中科技大学 Bayer process red mud composite brick and producing method thereof

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