CN102875067B - Modified nano mineral powder-containing aerated brick - Google Patents

Modified nano mineral powder-containing aerated brick Download PDF

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Publication number
CN102875067B
CN102875067B CN201210304875.1A CN201210304875A CN102875067B CN 102875067 B CN102875067 B CN 102875067B CN 201210304875 A CN201210304875 A CN 201210304875A CN 102875067 B CN102875067 B CN 102875067B
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powder
modified nano
nano mineral
mineral powder
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CN102875067A (en
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晋元龙
陈德全
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Ma'an Mountain Bao Long Building Material Co Ltd
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Ma'an Mountain Bao Long Building Material Co Ltd
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Abstract

The invention discloses a modified nano mineral powder-containing aerated brick. The aerated brick is prepared from the following raw materials by the conventional process for preparing the aerated brick: 25 to 30 weight parts of carbide slag, 5 to 10 weight pars of cement, 10 to 15 weight parts of quick lime, 5 to 10 weight parts of modified nano mineral powder, 5 to 10 weight parts of shell powder, 3 to 5 weight parts of gypsum, 0.05 to 0.1 weight part of aluminum powder, 0.002 to 0.008 weight part of lauryl sodium sulfate, 0.03 to 0.08 weight part of tea seed cake powder, 0.3 to 0.5 weight part of soda ash, 0.5 to 0.8 weight part of expanded vermiculite powder, 0.3 to 0.5 weight part of zinc stearate, 0.01 to 0.03 weight part of aluminum hydroxide, 0.05 to 0.1 weight part of sodium diacetate and an appropriate amount of water. By adding the nano mineral powder, the volume weight of the brick, and the energy consumption are reduced; the brick is high in thermal insulation performance and sound insulation performance; compared with the conventional aerated brick, the aerated brick has the advantages that the thermal insulation performance and the sound insulation performance are improved obviously; the raw materials are mixed according to an optimized formula; and the intensity and the freezing resistance of the brick are improved obviously.

Description

A kind of aerated bricks that contains modified Nano mineral powder
Technical field
The present invention relates to brick field, is exactly a kind of aerated bricks that contains modified Nano mineral powder.
Background technology
Gas concrete is a kind of novel wall material, and its unique distinction is that it is a kind of novel building walling of very light-duty heat insulating.Gas concrete technology started from before 100 years, and that this technology of China starts is more late, and than abroad totally having fallen behind 40 years, still, the development of the gas concrete industry of China is really very fast.Domestic gas concrete technical matters level can reach international most advanced level now.
Gas concrete sharpest edges economize the land resource exactly, need not waste a large amount of arable lands, and the source of its raw material very extensively, dust and sand, slag, carbide slag and coal gangue etc. are all the starting material of doing gas concrete.And very superior of the performance characteristics of gas concrete, have extraordinary can working ability and heat insulation and insulated capacity, and very strong of plasticity-, can saw by Bao, has extraordinary processing characteristics.
According to authoritative sources statistics, several years ago there is family more than 300 in domestic gas concrete industry production enterprise.The throughput of each producer is also different, has to produce 20000 cubes also have per year and produce the minority of 100,000 cubes per year and also have and produce 300000 cubes per year.And now development slowly of gas concrete industry heat is come, rough statistics now, before being several times of domestic gas concrete manufacturer quantity.
The application of gas concrete very extensively, be mainly used in the load-bearing wallings such as materials for wall, infilled wall, floor and roof boarding and non-bearing material Hezhou filling enclosure wall around in mechanical factory building and covil construction.
Gradually, gas concrete has become the leading showpiece of building material industry, and country is the stopping production of forbidding to clay solid brick now.Instead be exactly air-entrained concrete building block gradually, autoclaved brick.Yet the intensity of the aerated bricks that general conventional gas concrete is manufactured is lower.
Summary of the invention
The object of this invention is to provide the aerated bricks that a kind of intensity is high, heat insulation and sound-proofing properties is outstanding.
Above-mentioned purpose realizes by following scheme:
A kind of aerated bricks that contains modified Nano mineral powder, it is characterized in that, it is to be made according to the conventional manufacturing process of aerated bricks by the raw material of following weight parts: carbide slag 25-30, cement 5-10, unslaked lime 10-15, modified Nano mineral powder 5-10, oyster shell whiting 2-4, volcano rock dust 1-2, gypsum 3-5, aluminium powder 0.05-0.1, sodium lauryl sulphate 0.002-0.008, tea seed cake powder 0.03-0.08, soda ash 0.3-0.5, expanded vermiculite powder 0.5-0.8, Zinic stearas 0.3-0.5, aluminium hydroxide 0.01-0.03, sodium Diacetate 0.05-0.1, water are appropriate;
The preparation method of modified Nano mineral powder is: after being mixed by 8-9 weight part calcium carbonate, 1-2 weight part iron ore tailings, 1-2 weight part shale, 2-4 weight part phosphorus ore slag, 3-6 weight part sepiolite powder at 600-700 ℃ scaling loss 4-5 hour, after grind to form nanometer powder, admix and be equivalent to the octyl epoxy stearate of powder weight 1-2%, the calcium lignin sulphonate agitating of 1-2% is even, dry, after being ground into powder and get final product;
The preparation method of described oyster shell whiting is: after shell is levigate, cross 100-200 mesh sieve and get final product.
Described a kind of aerated bricks that contains modified Nano mineral powder, is characterized in that: preparation technology comprises the following steps: starting material mix, pour into the mold, precuring, the demoulding, cutting, steam press maintenance, warehouse-in.
Described a kind of aerated bricks that contains modified Nano mineral powder, is characterized in that: preparation technology comprises the following steps:
(1) take by weight carbide slag and gypsum, grind to obtain carbide slag gypsum mixed slurry be uniformly mixed 2-3min under 700-1000rpm after adding appropriate water after, then add all the other raw materials to be uniformly mixed 4-6min under 1800-2800rpm, obtain mixed slurry;
(2) gained mixed slurry is poured into the mold moulding, after at 40-50 ℃ precuring 1-3 hour, the demoulding, handling to cutting part cuts, and obtains fragment of brick base;
(3) fragment of brick base is put into reactor steam press maintenance, put in storage and get final product.
Described a kind of aerated bricks that contains modified Nano mineral powder, is characterized in that: the duration of described steaming pressuring curing process is 8-12 hour, and temperature is 170-180 ℃, and pressure is 1-1.4MPa.
Beneficial effect of the present invention is:
1, the present invention, by adopting waste material as the composition of 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;
2, the unit weight of this building block is 600-700kg/m 3, good heat insulating, has a large amount of pores and micropore in building block inside, thereby to have good thermal and insulating performance, ultimate compression strength be 4.5-7.7MPa.
Embodiment
embodiment 1
An aerated bricks that contains modified Nano mineral powder, it is to be made according to the conventional manufacturing process of aerated bricks by the raw material of following weight (kg): carbide slag 25, cement 5, unslaked lime 10, modified Nano mineral powder 5, oyster shell whiting 2, volcano rock dust 1, gypsum 3, aluminium powder 0.1, sodium lauryl sulphate 0.008, tea seed cake powder 0.08, soda ash 0.3, expanded vermiculite powder 0.5, Zinic stearas 0.3, aluminium hydroxide 0.013, sodium Diacetate 0.1, water are appropriate;
The preparation method of modified Nano mineral powder is: after being mixed by 8kg calcium carbonate, 1kg iron ore tailings, 1kg shale, 4kg phosphorus ore slag, 3kg sepiolite powder at 700 ℃ scaling loss 5 hours, after grind to form nanometer powder, admix that to be equivalent to octyl epoxy stearate, 2% the calcium lignin sulphonate agitating of powder weight 2% even, dry, after being ground into powder and get final product;
The preparation method of described oyster shell whiting is: after shell is levigate, cross 100 mesh sieves and get final product.
The preparation technology of described a kind of aerated bricks that contains modified Nano mineral powder comprises the following steps: starting material mix, pour into the mold, precuring, the demoulding, cutting, steam press maintenance, warehouse-in.
The average unit weight of this building block is 680kg/m 3, good heat insulating, has a large amount of pores and micropore in building block inside, thereby to have good thermal and insulating performance, ultimate compression strength be 5.9MPa.
embodiment 2
An aerated bricks that contains modified Nano mineral powder, it is to be made according to the conventional manufacturing process of aerated bricks by the raw material of following weight (kg): carbide slag 25, cement 10, unslaked lime 15, modified Nano mineral powder 5, oyster shell whiting 2, volcano rock dust 1, gypsum 3, aluminium powder 0.1, sodium lauryl sulphate 0.002, tea seed cake powder 0.03, soda ash 0.5, expanded vermiculite powder 0.8, Zinic stearas 0.3, aluminium hydroxide 0.01, sodium Diacetate 0.05, water are appropriate;
The preparation method of modified Nano mineral powder is: after being mixed by 9kg calcium carbonate, 1.5kg iron ore tailings, 2kg shale, 2.5kg phosphorus ore slag, 3kg sepiolite powder at 600 ℃ scaling loss 4 hours, after grind to form nanometer powder, admix that to be equivalent to octyl epoxy stearate, 1% the calcium lignin sulphonate agitating of powder weight 1% even, dry, after being ground into powder and get final product;
The preparation method of described oyster shell whiting is: after shell is levigate, cross 100 mesh sieves and get final product.
Described a kind of aerated bricks that contains modified Nano mineral powder, preparation technology comprises the following steps:
(1) take by weight proportion carbide slag and gypsum, grind to obtain carbide slag gypsum mixed slurry be uniformly mixed 2min under 800rpm after adding appropriate water after, then add all the other raw materials to be uniformly mixed 5min under 2500rpm, obtain mixed slurry;
(2) gained mixed slurry is poured into the mold moulding, after precuring 2 hours at 40 ℃, the demoulding, handling to cutting part cuts, and obtains fragment of brick base;
(3) fragment of brick base is put into reactor steam press maintenance, put in storage and get final product.
The average unit weight of this building block is 700kg/m 3, good heat insulating, has a large amount of pores and micropore in building block inside, thereby to have good thermal and insulating performance, ultimate compression strength be 7.1MPa.
embodiment 3
An aerated bricks that contains modified Nano mineral powder, it is to be made according to the conventional manufacturing process of aerated bricks by the raw material of following weight (kg): fineness is that 200 object carbide slags 25, cement 10, unslaked lime 15, modified Nano mineral powder 5, fineness are that 100 object oyster shell whitings 2, fineness are that 180 object volcano rock dust 1, gypsum 3, aluminium powder 0.1, sodium lauryl sulphate 0.002, tea seed cake powder 0.03, soda ash 0.5, fineness are that 180 object expanded vermiculite powders 0.8, Zinic stearas 0.3, aluminium hydroxide 0.01, sodium Diacetate 0.05, water are appropriate;
The preparation method of modified Nano mineral powder is: after being mixed by 8kg calcium carbonate, 1kg iron ore tailings, 2kg shale, 2.5kg phosphorus ore slag, 3kg sepiolite powder at 700 ℃ scaling loss 4 hours, after grind to form nanometer powder, admix that to be equivalent to octyl epoxy stearate, 1% the calcium lignin sulphonate agitating of powder weight 1% even, dry, after being ground into powder and get final product;
The preparation method of described oyster shell whiting is: after shell is levigate, cross 100 mesh sieves and get final product.
Described a kind of aerated bricks that contains modified Nano mineral powder, preparation technology comprises the following steps:
(1) take by weight proportion carbide slag and gypsum, grind to obtain carbide slag gypsum mixed slurry be uniformly mixed 2min under 800rpm after adding appropriate water after, then add all the other raw materials to be uniformly mixed 5min under 2500rpm, obtain mixed slurry;
(2) gained mixed slurry is poured into the mold moulding, after precuring 2 hours at 40 ℃, the demoulding, handling to cutting part cuts, and obtains fragment of brick base;
(3) fragment of brick base is put into reactor steam press maintenance 8 hours, temperature is 180 ℃, and pressure is 1.2MPa, and warehouse-in, obtains.
The average unit weight of this building block is 700kg/m 3, good heat insulating, has a large amount of pores and micropore in building block inside, thereby to have good thermal and insulating performance, mean value ultimate compression strength be 6.3MPa.

Claims (4)

1. an aerated bricks that contains modified Nano mineral powder, it is characterized in that, it is to be made according to the conventional manufacturing process of aerated bricks by the raw material of following weight parts: carbide slag 25-30, cement 5-10, unslaked lime 10-15, modified Nano mineral powder 5-10, oyster shell whiting 2-4, volcano rock dust 1-2, gypsum 3-5, aluminium powder 0.05-0.1, sodium lauryl sulphate 0.002-0.008, tea seed cake powder 0.03-0.08, soda ash 0.3-0.5, expanded vermiculite powder 0.5-0.8, Zinic stearas 0.3-0.5, aluminium hydroxide 0.01-0.03, sodium Diacetate 0.05-0.1, water are appropriate;
The preparation method of modified Nano mineral powder is: after being mixed by 8-9 weight part calcium carbonate, 1-2 weight part iron ore tailings, 1-2 weight part shale, 2-4 weight part phosphorus ore slag, 3-6 weight part sepiolite powder at 600-700 ℃ scaling loss 4-5 hour, after grind to form nanometer powder, admix and be equivalent to the octyl epoxy stearate of powder weight 1-2%, the calcium lignin sulphonate agitating of 1-2% is even, dry, after being ground into powder and get final product;
The preparation method of described oyster shell whiting is: after shell is levigate, cross 100-200 mesh sieve and get final product.
2. a kind of aerated bricks that contains modified Nano mineral powder according to claim 1, is characterized in that: preparation technology comprises the following steps: starting material mix, pour into the mold, precuring, the demoulding, cutting, steam press maintenance, warehouse-in.
3. a kind of aerated bricks that contains modified Nano mineral powder according to claim 1, is characterized in that: preparation technology comprises the following steps:
(1) take by weight carbide slag and gypsum, grind to obtain carbide slag gypsum mixed slurry be uniformly mixed 2-3min under 700-1000rpm after adding appropriate water after, then add all the other raw materials to be uniformly mixed 4-6min under 1800-2800rpm, obtain mixed slurry;
(2) gained mixed slurry is poured into the mold moulding, after at 40-50 ℃ precuring 1-3 hour, the demoulding, handling to cutting part cuts, and obtains fragment of brick base;
(3) fragment of brick base is put into reactor steam press maintenance, put in storage and get final product.
4. according to a kind of aerated bricks that contains modified Nano mineral powder described in claim 2 or 3, it is characterized in that: the duration of described steaming pressuring curing process is 8-12 hour, temperature is 170-180 ℃, and pressure is 1-1.4MPa.
CN201210304875.1A 2012-08-25 2012-08-25 Modified nano mineral powder-containing aerated brick Active CN102875067B (en)

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