CN104446617B - Steel fibre steam-pressing aero-concrete and preparation method thereof - Google Patents

Steel fibre steam-pressing aero-concrete and preparation method thereof Download PDF

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CN104446617B
CN104446617B CN201410647926.XA CN201410647926A CN104446617B CN 104446617 B CN104446617 B CN 104446617B CN 201410647926 A CN201410647926 A CN 201410647926A CN 104446617 B CN104446617 B CN 104446617B
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steel fibre
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concrete
aluminium
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丁小明
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丁小明
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Abstract

The invention discloses a kind of steel fibre steam-pressing aero-concrete and preparation method thereof, described method comprises: a, oleic acid, triethanolamine and water are carried out to first be mixed and made into emulsifying oil; B, aluminium source, foaming agent and water are carried out to second be mixed and made into aluminium powder suspension; Under the existence in c, the magnetic field that is 0.002-0.003T in magnetic field intensity, cement, lime, sand, gypsum, steel fibre, phenolic resins, common brick particle, tri-iron tetroxide and water are carried out to the 3rd mixing, then add described emulsifying oil and described aluminium powder suspension to carry out the 4th and mix and pour into a mould, then get angry and make steel fibre steam-pressing aero-concrete; Wherein, described aluminium source is aluminium powder or aluminium cream, and described foaming agent is to pull open one or more in powder, peregal, saponin powder, paraffin soap and washing powder. The construction material that utilizes this steel fibre steam-pressing aero-concrete to make has excellent mechanical strength, density and frost resistance.

Description

Steel fibre steam-pressing aero-concrete and preparation method thereof
Technical field
The present invention relates to steam-pressing aero-concrete, particularly, relate to a kind of steel fibre steam-pressing aero-concreteAnd preparation method thereof.
Background technology
Steam-pressing aero-concrete is the building material taking cement, lime, silica sand etc. as primary raw material. ProfitIt is little, resistance to that the autoclave aerated concrete building block made from steam-pressing aero-concrete or sheet material all have densityThe characteristics such as fire, fire prevention, sound insulation, heat insulation and insulation, still, the building material that steam-pressing aero-concrete is madeMaterial is difficult to reach the mechanical strength of other construction materials such as building stones, common brick in mechanical strength, once occurThe natural calamities such as earthquake, the building causing by steam-pressing aero-concrete so can easily occur caving inDanger.
Summary of the invention
The object of this invention is to provide a kind of steel fibre steam-pressing aero-concrete and preparation method thereof, pass through steelThe construction material that fiber steam-pressing aero-concrete is made has excellent mechanical strength, density and frost resistance.
To achieve these goals, the invention provides a kind of preparation side of steel fibre steam-pressing aero-concreteMethod, described method comprises:
A, oleic acid, triethanolamine and water are carried out to first be mixed and made into emulsifying oil;
B, aluminium source, foaming agent and water are carried out to second be mixed and made into aluminium powder suspension;
Under the existence in c, the magnetic field that is 0.002-0.003T in magnetic field intensity, by cement, lime, sand,Gypsum, steel fibre, phenolic resins, common brick particle, tri-iron tetroxide and water carry out the 3rd mixing, thenAdd described emulsifying oil and described aluminium powder suspension to carry out the 4th and mix and pour into a mould, then get angry and make steel fibreDimension steam-pressing aero-concrete;
Wherein, described aluminium source is aluminium powder or aluminium cream, described foaming agent for pull open powder, peregal, saponin powder,One or more in paraffin soap and washing powder.
The present invention also provides a kind of steel fibre steam-pressing aero-concrete, the steam pressurized coagulation of described steel fibreSoil is prepared from by above-mentioned method.
By technique scheme, steel fibre steam-pressing aero-concrete provided by the invention depositing at high-intensity magnetic fieldUnder, make steel fibre by the synergy of ferromagnetic tri-iron tetroxide and other raw materials steam pressurizedConcrete, it is strong that the construction material that utilizes this steel fibre steam-pressing aero-concrete to make has excellent machineryDegree, density and frost resistance.
Other features and advantages of the present invention are described in detail the detailed description of the invention part subsequently.
Detailed description of the invention
Below the specific embodiment of the present invention is elaborated. Should be understood that, retouch in this placeThe detailed description of the invention of stating only, for description and interpretation the present invention, is not limited to the present invention.
The invention provides a kind of preparation method of steel fibre steam-pressing aero-concrete, described method comprises:
A, oleic acid, triethanolamine and water are carried out to first be mixed and made into emulsifying oil;
B, aluminium source, foaming agent and water are carried out to second be mixed and made into aluminium powder suspension;
Under the existence in c, the magnetic field that is 0.002-0.003T in magnetic field intensity, by cement, lime, sand,Gypsum, steel fibre, phenolic resins, common brick particle, tri-iron tetroxide and water carry out the 3rd mixing, thenAdd described emulsifying oil and described aluminium powder suspension to carry out the 4th and mix and pour into a mould, then get angry and make steel fibreDimension steam-pressing aero-concrete; Wherein, described aluminium source is aluminium powder or aluminium cream, described foaming agent for pull open powder,One or more in peregal, saponin powder, paraffin soap and washing powder.
In the present invention, the kind of cement can be selected in wide scope, but in order to make by thisThe construction material that the steel fibre steam-pressing aero-concrete that invention provides makes has more excellent mechanical strengthAnd density, preferably, described cement is that the trade mark is the silicic acid that 325 portland cement or the trade mark are 425Salt cement.
In the present invention, the size of described steel fibre can be selected in wide scope, but in order to makeThe construction material making by steel fibre steam-pressing aero-concrete provided by the invention has more excellent machineTool intensity and density, preferably, described steel fibre meet following condition: length is 2-5cm, diameterFor 1-3mm.
In the present invention, described aluminium powder or aluminium cream can be selected in wide scope, but lead in order to makeCross the construction material that steel fibre steam-pressing aero-concrete provided by the invention makes and there is more excellent machineryIntensity and density, preferably, in described aluminium powder or aluminium cream, the specific area of solid particle is4000-6000cm2/g。
In the present invention, the kind of described phenolic resins can be selected in wide scope, but in order to makeThe construction material that must make by steel fibre steam-pressing aero-concrete provided by the invention has more excellentMechanical strength and density, preferably, the weight average molecular weight of described phenolic resins is 14000-30000.
In the present invention, the kind of described common brick particle (common brick fragmentation is formed) can be in wide scopeInterior selection, but the building in order to make to make by steel fibre steam-pressing aero-concrete provided by the inventionMaterial has more excellent mechanical strength and density, and preferably, the particle diameter of described common brick particle is0.01-0.03mm。
In the present invention, the particle diameter of described sand can be selected in wide scope, but passes through in order to makeIt is strong that the construction material that steel fibre steam-pressing aero-concrete provided by the invention makes has more excellent machineryDegree and density, preferably, the particle diameter of described sand is 4-6mm.
In the present invention, the first actual conditions mixing can be selected in wide scope, but in order to makeThe construction material that must make by steel fibre steam-pressing aero-concrete provided by the invention has more excellentMechanical strength and density, preferably, in step a, described the first mixing meets the following conditions: mixTemperature is 40-50 DEG C, and incorporation time is 30-50min.
In the present invention, in step a, the consumption of each material can be selected in wide scope, but isMake the construction material making by steel fibre steam-pressing aero-concrete provided by the invention have more excellentDifferent mechanical strength and density, preferably, in step a, with respect to the described oleic acid of 1 weight portion,The consumption of described triethanolamine is 2-5 weight portion, and the consumption of described water is 30-40 weight portion.
In the present invention, the described second actual conditions mixing can be selected in wide scope, but isMake the construction material making by steel fibre steam-pressing aero-concrete provided by the invention have more excellentDifferent mechanical strength and density, preferably, in step b, described the second mixing meets the following conditions:Mixing temperature is 50-60 DEG C, and incorporation time is 1-3min.
In the present invention, in step b, the consumption of each material can be selected in wide scope, but isMake the construction material making by steel fibre steam-pressing aero-concrete provided by the invention have more excellentDifferent mechanical strength and density, preferably, in step b, in step b, with respect to 1 weight portionDescribed aluminium source, the consumption of described foaming agent is 0.8-1.5 weight portion, the consumption of described water is 15-25 weightPart.
In the present invention, the described the 3rd actual conditions mixing can be selected in wide scope, but isMake the construction material making by steel fibre steam-pressing aero-concrete provided by the invention have more excellentDifferent mechanical strength and density, preferably, in step c, described the 3rd mixing meets the following conditions:Mixing temperature is 20-40 DEG C, and incorporation time is 1-5min.
In the present invention, the described the 4th actual conditions mixing can be selected in wide scope, but isMake the construction material making by steel fibre steam-pressing aero-concrete provided by the invention have more excellentDifferent mechanical strength and density, preferably, in step c, described the 4th mixing all meets the following conditions:Mixing temperature is 20-40 DEG C, and incorporation time is 15-30min.
In the present invention, in step c, the consumption of each material can be selected in wide scope, but isMake the construction material making by steel fibre steam-pressing aero-concrete provided by the invention have more excellentDifferent mechanical strength and density, preferably, in step c, with respect to the described cement of 100 weight portions,The consumption of described lime is 100-300 weight portion, and the consumption of described sand is 450-650 weight portion, described inThe consumption of gypsum is 15-30 weight portion, and the consumption of described steel fibre is 10-20 weight portion, described phenolic aldehydeThe consumption of resin is 5-8 weight portion, and the consumption of described common brick particle is 7-10 weight portion, described four oxidationsThe consumption of three-iron is 3-5 weight portion, and the consumption of described water is 450-750 weight portion, described emulsifying oilConsumption is that the consumption of 9-13 weight portion and described aluminium powder suspension is 1200-2000 weight portion.
In the present invention, the actual conditions of getting angry in step c can be selected in wide scope, stillFor the construction material making by steel fibre steam-pressing aero-concrete provided by the invention is had moreExcellent mechanical strength and density, preferably, described in get angry and meet the following conditions: the temperature of getting angry is 40-50DEG C, the time of getting angry is 15-30min.
The present invention also provides a kind of steel fibre steam-pressing aero-concrete, the steam pressurized coagulation of described steel fibreSoil is prepared from by above-mentioned method.
Below will describe the present invention by embodiment. In following examples, mechanical strength,Dry volume density and frost resistance index parameter record by the method for JC1062-2007.
Cement is the portland cement that the incorporated commercially available trade mark of Anhui Conch Cement is 42.5, limeFor Huangshi is with the commercially available product of auspicious Mining Limited Company, sand is that stone ore product processing factory is opened in Lingshou CountyCommercially available yellow ground, the Hunan Bao Long development in science and technology Co., Ltd commercially available product that gypsum is, steel fibre is Suzhou dragon spaceThe commercially available product of steel fibre Co., Ltd, phenolic resins is the commercially available of Tongling Hua Xinda industry and trade Co., LtdProduct, tri-iron tetroxide is the commercially available product of Jinan Kai Chuan trade Co., Ltd, oleic acid is Guangzhou tide a beautiful gem boundary chemical industryThe commercially available product of Co., Ltd, triethanolamine is the commercially available product of Jinan prosperous intention Chemical Co., Ltd., pulls open powderFor the commercially available product of Guangzhou remittance and Chemical Co., Ltd., washing powder is the commercially available of Shanghai International Automobile City Tourist Festival Jie Min detergent factoryProduct, sodium carbonate is the commercially available product of Shanghai Yu Jie trade Co., Ltd, borax is the limited public affairs of Shanghai Rui Xin industryThe commercially available product of department, aluminium powder is the commercially available product of Beijing Xing Rongyuan Science and Technology Ltd., aluminium cream is Shenzhen's moral coloured silkThe commercially available product of pigment Chemical Co., Ltd..
Embodiment 1
A, at 45 DEG C, oleic acid, triethanolamine and water are carried out to first according to the mass ratio of 1:4:35After mixing 40min, make emulsifying oil;
B, at 55 DEG C, by aluminium powder, (specific area is 5000cm2/ g), pull open powder and water according to 1:1:20 mass ratio carries out making aluminium powder suspension after the second mixing 2min;
Under the existence in c, the magnetic field that is 0.0025T 30 DEG C and magnetic field intensity, the silicon that is 425 by the trade markAcid salt cement 100kg, lime 200kg, 550kg sand (particle diameter is 5mm), gypsum 15kg, 15kgSteel fibre (length is 3cm, and diameter is 2mm), 6kg phenolic resins (weight average molecular weight is 20000),9kg common brick particle (particle diameter is 0.02mm), tri-iron tetroxide 4kg and water 550kg carry out the 3rd mixing3min, then adds emulsifying oil 11kg and aluminium powder suspension 1700kg to carry out the 4th and mixes 22min and waterNote, the 20min that then gets angry at 45 DEG C makes steel fibre steam-pressing aero-concrete.
D, by steel fibre steam-pressing aero-concrete precuring 3h at 60 DEG C, then cut, cutAfter one-tenth by building block in still kettle according to steam-cured 4h at 80 DEG C, be then forced into 1.0MPa maintenance 8h again,Finally at 25 DEG C, Chen Hua 5h makes steel fibre autoclave aerated concrete building block A1.
Dry volume density, compression strength and the frost resistance index of this steel fibre autoclave aerated concrete building block are shown inTable 1.
Embodiment 2
A, at 40 DEG C, oleic acid, triethanolamine and water are carried out to first according to the mass ratio of 1:2:30After mixing 30min, make emulsifying oil;
B, at 50 DEG C, by aluminium powder, (specific area is 4000cm2/ g), pull open powder and water according to 1:The mass ratio of 0.8:15 carries out making aluminium powder suspension after the second mixing 1min;
Under the existence in c, the magnetic field that is 0.002T 20 DEG C and magnetic field intensity, the silicic acid that is 425 by the trade markSalt cement 100kg, lime 100kg, 450kg sand (particle diameter is 4mm), gypsum 20kg, 10kg steelFiber (length is 2cm, and diameter is 1mm), 5kg phenolic resins (weight average molecular weight is 14000),7kg common brick particle (particle diameter is 0.01mm), tri-iron tetroxide 3kg and water 450kg carry out the 3rd mixing1min, then adds emulsifying oil 9kg and aluminium powder suspension 1200kg to carry out the 4th and mixes 15min and waterNote, the 15min that then gets angry at 40 DEG C makes steel fibre steam-pressing aero-concrete.
D, by steel fibre steam-pressing aero-concrete precuring 3h at 60 DEG C, then cut, cutAfter one-tenth by building block in still kettle according to steam-cured 4h at 80 DEG C, be then forced into 1.0MPa maintenance 8h again,Finally at 25 DEG C, Chen Hua 5h makes steel fibre autoclave aerated concrete building block A2.
Dry volume density, compression strength and the frost resistance index of this steel fibre autoclave aerated concrete building block are shown inTable 1.
Embodiment 3
A, at 50 DEG C, oleic acid, triethanolamine and water are carried out to first according to the mass ratio of 1:5:40After mixing 50min, make emulsifying oil;
B, at 60 DEG C, by aluminium powder, (specific area is 6000cm2/ g), pull open powder and water according to 1:The mass ratio of 1.5:25 carries out making aluminium powder suspension after the second mixing 3min;
Under the existence in c, the magnetic field that is 0.003T 40 DEG C and magnetic field intensity, the silicic acid that is 425 by the trade markSalt cement 100kg, lime 300kg, 650kg sand (particle diameter is 6mm), gypsum 30kg, 20kg steelFiber (length is 5cm, and diameter is 3mm), 8kg phenolic resins (weight average molecular weight is 30000),10kg common brick particle (particle diameter is 0.03mm), tri-iron tetroxide 5kg and water 750kg carry out the 3rd to be mixedClose 5min, then add emulsifying oil 13kg and aluminium powder suspension 2000kg to carry out the 4th and mix 15-30minAnd cast, the 30min that then gets angry at 50 DEG C makes steel fibre steam-pressing aero-concrete.
D, by steel fibre steam-pressing aero-concrete precuring 3h at 60 DEG C, then cut, cutAfter one-tenth by building block in still kettle according to steam-cured 4h at 80 DEG C, be then forced into 1.0MPa maintenance 8h again,Finally at 25 DEG C, Chen Hua 5h makes steel fibre autoclave aerated concrete building block A3.
Dry volume density, compression strength and the frost resistance index of this steel fibre autoclave aerated concrete building block are shown inTable 1.
Embodiment 4
Make steel fibre autoclave aerated concrete building block A4 according to the method for embodiment 1, different,Aluminium powder is changed to aluminium cream, and result is as shown in table 1.
Embodiment 5
Make steel fibre autoclave aerated concrete building block A5 according to the method for embodiment 1, different,Pull open powder and be changed to washing powder, result is as shown in table 1.
Comparative example 1
Make steel fibre autoclave aerated concrete building block B1 according to the method for embodiment 1, different,Exist without magnetic field, result is as shown in table 1.
Comparative example 2
Make steel fibre autoclave aerated concrete building block B2 according to the method for embodiment 1, different,Magnetic field intensity is 0.005T, and result is as shown in table 1.
Comparative example 3
Make steel fibre autoclave aerated concrete building block B3 according to the method for embodiment 1, different,Do not contain tri-iron tetroxide, result is as shown in table 1.
Comparative example 4
Make steel fibre autoclave aerated concrete building block B4 according to the method for embodiment 1, different,Do not contain steel fibre, result is as shown in table 1.
Comparative example 5
Make steel fibre autoclave aerated concrete building block B5 according to the method for embodiment 1, different,Do not contain phenolic resins, result is as shown in table 1.
Comparative example 6
Make steel fibre autoclave aerated concrete building block B6 according to the method for embodiment 1, different,
Do not contain common brick particle, result is as shown in table 1.
Table 1
From above-described embodiment and comparative example, by steel fibre steam-pressing aero-concrete system provided by the inventionThe construction material becoming has excellent mechanical strength, density and frost resistance.
More than describe the preferred embodiment of the present invention in detail, still, the present invention is not limited to above-mentioned realityExecute the detail in mode, within the scope of technical conceive of the present invention, can be to technical side of the present inventionCase is carried out multiple simple variant, and these simple variant all belong to protection scope of the present invention.
It should be noted that in addition each the concrete technology spy described in above-mentioned detailed description of the inventionLevy, in reconcilable situation, can combine by any suitable mode, for fear of needn'tThe repetition of wanting, the present invention is to the explanation no longer separately of various possible combinations.
In addition, between various embodiment of the present invention, also can be combined, as long as itsWithout prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.

Claims (7)

1. a preparation method for steel fibre steam-pressing aero-concrete, is characterized in that, described method comprises:
A, oleic acid, triethanolamine and water are carried out to first be mixed and made into emulsifying oil;
B, aluminium source, foaming agent and water are carried out to second be mixed and made into aluminium powder suspension;
Under the existence in c, the magnetic field that is 0.002-0.003T in magnetic field intensity, cement, lime, sand, gypsum, steel fibre, phenolic resins, common brick particle, tri-iron tetroxide and water are carried out to the 3rd mixing, then add described emulsifying oil and described aluminium powder suspension to carry out the 4th and mix and pour into a mould, then get angry and make steel fibre steam-pressing aero-concrete;
Wherein, described aluminium source is aluminium powder or aluminium cream, and described foaming agent is to pull open one or more in powder, peregal, saponin powder, paraffin soap and washing powder, in step a, with respect to the described oleic acid of 1 weight portion, the consumption of described triethanolamine is 2-5 weight portion, and the consumption of described water is 30-40 weight portion, in step b, in step b, with respect to the described aluminium source of 1 weight portion, the consumption of described foaming agent is 0.8-1.5 weight portion, and the consumption of described water is 15-25 weight portion, in step c, with respect to the described cement of 100 weight portions, the consumption of described lime is 100-300 weight portion, the consumption of described sand is 450-650 weight portion, the consumption of described gypsum is 15-30 weight portion, the consumption of described steel fibre is 10-20 weight portion, the consumption of described phenolic resins is 5-8 weight portion, the consumption of described common brick particle is 7-10 weight portion, the consumption of described tri-iron tetroxide is 3-5 weight portion, the consumption of described water is 450-750 weight portion, the consumption of described emulsifying oil is 9-13 weight portion, the consumption of described aluminium powder suspension is 1200-2000 weight portion.
2. preparation method according to claim 1, wherein, described cement is that the trade mark is the portland cement that 325 portland cement or the trade mark are 425; Described steel fibre meets following condition: length is 2-5cm, and diameter is 1-3mm; In described aluminium powder or aluminium cream, the specific area of solid particle is 4000-6000cm2/ g, the weight average molecular weight of described phenolic resins is 14000-30000, and the particle diameter of described common brick particle is 0.01-0.03mm, and the particle diameter of described sand is 4-6mm.
3. preparation method according to claim 1 and 2, wherein, in step a, described the first mixing meets the following conditions: mixing temperature is 40-50 DEG C, and incorporation time is 30-50min.
4. preparation method according to claim 1 and 2, wherein, in step b, described the second mixing meets the following conditions: mixing temperature is 50-60 DEG C, and incorporation time is 1-3min.
5. preparation method according to claim 1 and 2, wherein, in step c, described the 3rd mixing meets the following conditions: mixing temperature is 20-40 DEG C, and incorporation time is 1-5min;
Described the 4th mixing all meets the following conditions: mixing temperature is 20-40 DEG C, and incorporation time is 15-30min.
6. preparation method according to claim 1 and 2, wherein, described in get angry and meet the following conditions: the temperature of getting angry is 40-50 DEG C, and the time of getting angry is 15-30min.
7. a steel fibre steam-pressing aero-concrete, is characterized in that, described steel fibre steam-pressing aero-concrete is prepared from by the method described in any one in claim 1-6.
CN201410647926.XA 2014-11-14 2014-11-14 Steel fibre steam-pressing aero-concrete and preparation method thereof Expired - Fee Related CN104446617B (en)

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CN106083188B (en) * 2016-06-16 2019-01-01 浙江大学 A kind of steel fiber reinforced concrete is magnetically oriented method

Citations (4)

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Publication number Priority date Publication date Assignee Title
CN1272470A (en) * 2000-05-09 2000-11-08 袁同新 Aerated concrete light wall panel and its production method
CN101033124A (en) * 2007-02-09 2007-09-12 上海大学 Method of preparing thermal insulating mortar from solid waste
CN102584129A (en) * 2012-03-02 2012-07-18 中国建筑股份有限公司 Dry powder of active powder concrete and use method of dry powder
EP2578551A1 (en) * 2010-05-31 2013-04-10 Beijing Rechsand Science & Technology Group Co., Ltd Composition used for high strength and watertight concrete

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1272470A (en) * 2000-05-09 2000-11-08 袁同新 Aerated concrete light wall panel and its production method
CN101033124A (en) * 2007-02-09 2007-09-12 上海大学 Method of preparing thermal insulating mortar from solid waste
EP2578551A1 (en) * 2010-05-31 2013-04-10 Beijing Rechsand Science & Technology Group Co., Ltd Composition used for high strength and watertight concrete
CN102584129A (en) * 2012-03-02 2012-07-18 中国建筑股份有限公司 Dry powder of active powder concrete and use method of dry powder

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