CN102875069B - Preparation process for aerated concrete block with raw materials containing modified nano mineral powder - Google Patents
Preparation process for aerated concrete block with raw materials containing modified nano mineral powder Download PDFInfo
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- CN102875069B CN102875069B CN201210304879.XA CN201210304879A CN102875069B CN 102875069 B CN102875069 B CN 102875069B CN 201210304879 A CN201210304879 A CN 201210304879A CN 102875069 B CN102875069 B CN 102875069B
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Abstract
The invention discloses a preparation process for aerated concrete block with raw materials containing modified nano mineral powder. The preparation process comprises the following steps: weighing volcanic rock powder and gypsum according to weight ratio; stirring and mixing for 2 to 3 minutes at the speed of 700 to 1000 rpm after adding appropriate water, and then grinding to obtain mixed slurry of volcanic rock powder and gypsum; adding other raw materials such as modified nano mineral powder which is required for aerated concrete block preparation according to the weight ratio again; stirring and mixing the materials for 3 to 5 minutes at the speed of 2000 to 2800 rpm; pouring the obtained mixed slurry into the mold for forming; then procuring for 1 to 3 hours at the temperature of 40 to 50 DEG C; releasing the mold and lifting the produced material to a cutting department for cutting to obtain block blanks; putting the blocks into a reaction kettle to conserve with steam; and after the conservation is finished, putting the blocks into a warehouse. According to the invention, the preparation process for aerated concrete block with raw materials containing modified nano mineral powder optimizes the formula and materials, so that the strength and the frost resistance of the blocks are improved significantly.
Description
Technical field
The present invention relates to the preparation technology field of concrete segment, is exactly the preparation technology of a kind of raw material air-entrained concrete building block of containing 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, volcano rock dust 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.
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 air-entrained concrete building block that general conventional gas concrete is manufactured is lower.
Summary of the invention
The object of the present invention is to provide the preparation technology of the air-entrained concrete building block that a kind of products obtained therefrom intensity raw material high, that unit weight is low contains modified Nano mineral powder.
Above-mentioned purpose realizes by following scheme:
A preparation technology for the air-entrained concrete building block that raw material contains modified Nano mineral powder, is characterized in that: comprise the following steps:
(1) by 10-12 weight part calcium carbonate, 3-5 weight part iron ore tailings, 1-2 weight part potassium felspar sand, 2-4 weight part shale, 4-8 weight part alum ore deposit tailings, mixed after at 600-700 ℃ scaling loss 4-5 hour, after grind to form nanometer powder, admix and be equivalent to the epoxyoleic acid butyl ester of powder weight 1-2%, the octyl epoxy stearate agitating of 1-2% is even, dry, be ground into after powder, make modified Nano mineral powder;
(2) take by weight ratio volcano rock dust and gypsum, be uniformly mixed 2-3min under 700-1000rpm after adding appropriate water after, grind to obtain volcano rock dust gypsum mixed slurry, add by weight ratio again air-entrained concrete building block to prepare required all the other raw materials and be uniformly mixed 3-5min under 2000-2800rpm, obtain mixed slurry;
Each raw material weight proportioning of described air-entrained concrete building block is:
Volcano rock dust 35-40, cement 8-10, unslaked lime 10-15, modified Nano mineral powder 5-10, dicalcium powder 2-4, kaolin 1-2, gypsum 3-5, aluminium powder 0.05-0.1, fatty alcohol-polyoxyethylene ether 0.002-0.008, oxidized paraffin wax soap 0.03-0.08, soda ash 0.1-0.3, Zinic stearas 0.8-0.9, expanded vermiculite powder 0.3-0.5, sodium sulfate 0.01-0.03, sodium Diacetate 0.05-0.1, water are appropriate;
(3) 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 building block base;
(4) building block base is put into reactor vapor cure, put in storage and get final product.
The preparation technology of the air-entrained concrete building block that described a kind of raw material contains modified Nano mineral powder, is characterized in that: the duration of described steam curing process is 10-15 hour, and temperature is 45 ℃.
The preparation technology of the air-entrained concrete building block that described a kind of raw material contains modified Nano mineral powder, it is characterized in that: described volcanics powder fineness is 180 order-200 orders, described dicalcium powder fineness is 100-200 order, and described kaolin fineness is 100-200 order.
Beneficial effect of the present invention is:
1, the present invention, by adopting waste material as the composition of air-entrained concrete building block, 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 air-entrained concrete building block 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; Adding of sodium Diacetate can effectively prevent the generation in building block crack.
2, the unit weight of this building block is 630-810kg/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 5.1-7.3MPa.
Embodiment
embodiment 1
A preparation technology for the air-entrained concrete building block that raw material contains modified Nano mineral powder, comprises the following steps:
(1) by 10kg calcium carbonate, 5kg iron ore tailings, 2kg potassium felspar sand, 3kg shale, 4kg alum ore deposit tailings, mixed after at 700 ℃ scaling loss 4 hours, after grind to form nanometer powder, admix that to be equivalent to epoxyoleic acid butyl ester, 2% the octyl epoxy stearate agitating of powder weight 1% even, dry, be ground into after powder, make modified Nano mineral powder;
(2) take by weight ratio volcano rock dust and gypsum, be uniformly mixed 3min under 1000rpm after adding appropriate water after, grind to obtain volcano rock dust gypsum mixed slurry, add by weight ratio again air-entrained concrete building block to prepare required all the other raw materials and be uniformly mixed 5min under 2000rpm, obtain mixed slurry;
Each raw material weight proportioning of described air-entrained concrete building block is (kg):
Volcano rock dust 40, cement 10, unslaked lime 15, modified Nano mineral powder 10, dicalcium powder 2, kaolin 1, gypsum 5, aluminium powder 0.1, fatty alcohol-polyoxyethylene ether 0.008, oxidized paraffin wax soap 0.08, soda ash 0.3, Zinic stearas 0.8, expanded vermiculite powder 0.3, sodium sulfate 0.03, sodium Diacetate 0.1, water are appropriate;
(3) gained mixed slurry is poured into the mold moulding, after precuring 2 hours at 42 ℃, the demoulding, handling to cutting part cuts, and obtains building block base;
(4) building block base is put into reactor vapor cure, put in storage and get final product.
Described volcanics powder fineness is 180 orders, and described dicalcium powder fineness is 100 orders, and described kaolin fineness is 200 orders.
The average unit weight of this air-entrained concrete building block product is 710kg/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 5.8MPa.
embodiment 2
A preparation technology for the air-entrained concrete building block that raw material contains modified Nano mineral powder, comprises the following steps:
(1) by 12kg calcium carbonate, 4kg iron ore tailings, 1kg potassium felspar sand, 3kg shale, 6kg alum ore deposit tailings, mixed after at 650 ℃ scaling loss 5 hours, after grind to form nanometer powder, admix that to be equivalent to epoxyoleic acid butyl ester, 2% the octyl epoxy stearate agitating of powder weight 2% even, dry, be ground into after powder, make modified Nano mineral powder;
(2) take by weight ratio volcano rock dust and gypsum, be uniformly mixed 3min under 1000rpm after adding appropriate water after, grind to obtain volcano rock dust gypsum mixed slurry, add by weight ratio again air-entrained concrete building block to prepare required all the other raw materials and be uniformly mixed 5min under 2500rpm, obtain mixed slurry;
Each raw material weight proportioning (kg) of described air-entrained concrete building block is:
Volcano rock dust 40, cement 10, unslaked lime 15, modified Nano mineral powder 5, dicalcium powder 4, kaolin 1.5, gypsum 3.5, aluminium powder 0.05, fatty alcohol-polyoxyethylene ether 0.002, oxidized paraffin wax soap 0.03, soda ash 0.1, Zinic stearas 0.9, expanded vermiculite powder 0.3, sodium sulfate 0.01, sodium Diacetate 0.05, water are appropriate;
(3) gained mixed slurry is poured into the mold moulding, after precuring 3 hours at 40 ℃, the demoulding, handling to cutting part cuts, and obtains building block base;
(4) building block base is put into reactor vapor cure, the duration of steam curing process is 10.5 hours, and temperature is 45 ℃, rear warehouse-in and get final product.
Described volcanics powder fineness is 180 orders, and described dicalcium powder fineness is 200 orders, and described kaolin fineness is 200 orders.
This product at least will be parked more than five days at storehouse before application.
The average unit weight of this air-entrained concrete building block product is 690kg/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 6.6MPa.
Claims (3)
1. a preparation technology for the air-entrained concrete building block that raw material contains modified Nano mineral powder, is characterized in that: comprise the following steps:
(1) by 10-12 weight part calcium carbonate, 3-5 weight part iron ore tailings, 1-2 weight part potassium felspar sand, 2-4 weight part shale, 4-8 weight part alum ore deposit tailings, mixed after at 600-700 ℃ scaling loss 4-5 hour, after grind to form nanometer powder, admix and be equivalent to the epoxyoleic acid butyl ester of powder weight 1-2%, the octyl epoxy stearate agitating of 1-2% is even, dry, be ground into after powder, make modified Nano mineral powder;
(2) take by weight ratio volcano rock dust and gypsum, be uniformly mixed 2-3min under 700-1000rpm after adding appropriate water after, grind to obtain volcano rock dust gypsum mixed slurry, add by weight ratio again air-entrained concrete building block to prepare required all the other raw materials and be uniformly mixed 3-5min under 2000-2800rpm, obtain mixed slurry;
Each parts by weight of raw materials proportioning of described air-entrained concrete building block is:
Volcano rock dust 35-40, cement 8-10, unslaked lime 10-15, modified Nano mineral powder 5-10, dicalcium powder 2-4, kaolin 1-2, gypsum 3-5, aluminium powder 0.05-0.1, fatty alcohol-polyoxyethylene ether 0.002-0.008, oxidized paraffin wax soap 0.03-0.08, soda ash 0.1-0.3, Zinic stearas 0.8-0.9, expanded vermiculite powder 0.3-0.5, sodium sulfate 0.01-0.03, sodium Diacetate 0.05-0.1, water are appropriate;
(3) 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 building block base;
(4) building block base is put into reactor vapor cure, put in storage and get final product.
2. the preparation technology of the air-entrained concrete building block that a kind of raw material according to claim 1 contains modified Nano mineral powder, is characterized in that: the duration of described steam curing process is 10-15 hour, and temperature is 45 ℃.
3. the preparation technology of the air-entrained concrete building block that a kind of raw material according to claim 1 contains modified Nano mineral powder, it is characterized in that: described volcanics powder fineness is 180 order-200 orders, described dicalcium powder fineness is 100-200 order, and described kaolin fineness is 100-200 order.
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| CN103408972B (en) * | 2013-07-03 | 2015-04-22 | 青阳县永诚钙业有限责任公司 | High-glossiness modified calcium carbonate for air conditioner housings and preparation method thereof |
| CN103408971B (en) * | 2013-07-03 | 2015-04-22 | 青阳县恒源化工原料有限责任公司 | Anti-aging modified calcium carbonate for paint-latex paint and preparation method thereof |
| CN103467033B (en) * | 2013-08-05 | 2015-12-09 | 安徽中龙建材科技有限公司 | A kind of air-entrained concrete building block adding volcanic rock powder |
| CN103803930B (en) * | 2013-12-31 | 2016-06-22 | 芜湖乐锐思信息咨询有限公司 | Lightweight compound noise-reducing insulating cement mortar |
| CN104058654B (en) * | 2014-05-30 | 2016-02-03 | 蚌埠华东石膏有限公司 | A kind of expanded vermiculite powder concrete and preparation method thereof |
| CN104556916B (en) * | 2014-12-19 | 2018-01-02 | 安徽中龙建材科技有限公司 | A kind of fire protection flame retarding aerated-block and preparation method thereof |
| CN105036647A (en) * | 2015-07-09 | 2015-11-11 | 阜阳三环管桩有限公司 | Anti-carbonization concrete tubular pile and preparation method therefor |
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| CN101831981B (en) * | 2009-03-09 | 2012-07-18 | 黄丹平 | Composite light building block and preparation method thereof |
| CN101864823B (en) * | 2010-06-10 | 2012-01-11 | 湖北声荣环保节能科技有限公司 | Aerated concrete building block produced by heavy metal-removed manganese carbonate tailing and manufacturing method thereof |
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Effective date of registration: 20210519 Address after: 221000 72 km north of provincial road s322, Yanwan village, Hekou Town, Peixian County, Xuzhou City, Jiangsu Province Patentee after: Peixian Mingjian Concrete 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: 20221125 Address after: First Road, Enclave Economic Park, Hengkou Demonstration Zone (Experimental Zone), Ankang, Shaanxi Province, 725,000 Patentee after: Ankang Xin'an Environmental Protection Building Materials Co.,Ltd. Address before: 221000 72 km north of provincial road s322, Yanwan village, Hekou Town, Peixian County, Xuzhou City, Jiangsu Province Patentee before: Peixian Mingjian Concrete Co.,Ltd. |