CN102875069A - 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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- CN102875069A CN102875069A CN201210304879XA CN201210304879A CN102875069A CN 102875069 A CN102875069 A CN 102875069A CN 201210304879X A CN201210304879X A CN 201210304879XA CN 201210304879 A CN201210304879 A CN 201210304879A CN 102875069 A CN102875069 A CN 102875069A
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- powder
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- building block
- mineral powder
- nano mineral
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- 239000000843 powder Substances 0.000 title claims abstract description 58
- 239000004567 concrete Substances 0.000 title claims abstract description 40
- 239000002994 raw material Substances 0.000 title claims abstract description 24
- 229910052500 inorganic mineral Inorganic materials 0.000 title claims abstract description 23
- 239000011707 mineral Substances 0.000 title claims abstract description 23
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 239000011435 rock Substances 0.000 claims abstract description 15
- 239000010440 gypsum Substances 0.000 claims abstract description 14
- 229910052602 gypsum Inorganic materials 0.000 claims abstract description 14
- 239000011268 mixed slurry Substances 0.000 claims abstract description 14
- 238000002156 mixing Methods 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000005520 cutting process Methods 0.000 claims abstract description 6
- 238000005303 weighing Methods 0.000 claims abstract description 5
- 235000010755 mineral Nutrition 0.000 claims description 19
- 238000005516 engineering process Methods 0.000 claims description 15
- 239000000428 dust Substances 0.000 claims description 14
- CCEKAJIANROZEO-UHFFFAOYSA-N sulfluramid Chemical group CCNS(=O)(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F CCEKAJIANROZEO-UHFFFAOYSA-N 0.000 claims description 13
- 239000005995 Aluminium silicate Substances 0.000 claims description 8
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 8
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 8
- 235000012211 aluminium silicate Nutrition 0.000 claims description 8
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 8
- OPGYRRGJRBEUFK-UHFFFAOYSA-L disodium;diacetate Chemical compound [Na+].[Na+].CC([O-])=O.CC([O-])=O OPGYRRGJRBEUFK-UHFFFAOYSA-L 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 239000004576 sand Substances 0.000 claims description 5
- 239000001632 sodium acetate Substances 0.000 claims description 5
- 235000017454 sodium diacetate Nutrition 0.000 claims description 5
- IMYZYCNQZDBZBQ-SJORKVTESA-N (9S,10R)-epoxyoctadecanoic acid Chemical compound CCCCCCCC[C@H]1O[C@H]1CCCCCCCC(O)=O IMYZYCNQZDBZBQ-SJORKVTESA-N 0.000 claims description 4
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 4
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 4
- 229940037003 alum Drugs 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 4
- 239000000292 calcium oxide Substances 0.000 claims description 4
- 235000012255 calcium oxide Nutrition 0.000 claims description 4
- 239000004568 cement Substances 0.000 claims description 4
- 239000012467 final product Substances 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 4
- FIBARIGPBPUBHC-UHFFFAOYSA-N octyl 8-(3-octyloxiran-2-yl)octanoate Chemical compound CCCCCCCCOC(=O)CCCCCCCC1OC1CCCCCCCC FIBARIGPBPUBHC-UHFFFAOYSA-N 0.000 claims description 4
- 239000012188 paraffin wax Substances 0.000 claims description 4
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 4
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 4
- 239000011591 potassium Substances 0.000 claims description 4
- 229910052700 potassium Inorganic materials 0.000 claims description 4
- DCKVNWZUADLDEH-UHFFFAOYSA-N sec-butyl acetate Chemical compound CCC(C)OC(C)=O DCKVNWZUADLDEH-UHFFFAOYSA-N 0.000 claims description 4
- 239000000344 soap Substances 0.000 claims description 4
- 235000017550 sodium carbonate Nutrition 0.000 claims description 4
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 4
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 4
- 235000011152 sodium sulphate Nutrition 0.000 claims description 4
- 239000010455 vermiculite Substances 0.000 claims description 4
- 229910052902 vermiculite Inorganic materials 0.000 claims description 4
- 235000019354 vermiculite Nutrition 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 7
- 238000003756 stirring Methods 0.000 abstract 2
- 238000000227 grinding Methods 0.000 abstract 1
- 239000011449 brick Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
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, exactly is the preparation technology that a kind of raw material contains the air-entrained concrete building block of 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.Before the gas concrete technology starts from 100 years, and the relatively evening that this technology of China begins, 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.
The 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. all are the starting material of doing gas concrete.And very superior of the performance characteristics of gas concrete, but extraordinary working ability and heat insulation and insulated capacity are arranged, and very strong of plasticity-, but Bao can saw, extraordinary processing characteristics is arranged.
The application of gas concrete very extensively, mainly be used in the filling enclosure wall around the load-bearing walling such as materials for wall, infilled wall, floor and roof boarding in mechanical factory building and the covil construction and non-bearing material Hezhou.
Gradually, gas concrete has become the leading showpiece of building material industry, country now to clay solid brick forbid stop production.What replace gradually is exactly air-entrained concrete building block, autoclaved brick.Yet the intensity of the air-entrained concrete building block that general conventional gas concrete is made is lower.
Summary of the invention
The object of the present invention is to provide a kind of products obtained therefrom intensity is high, unit weight is low raw material to contain the preparation technology of the air-entrained concrete building block of modified Nano mineral powder.
Above-mentioned purpose realizes by following scheme:
A kind of raw material contains the preparation technology of the air-entrained concrete building block of modified Nano mineral powder, it is characterized in that: may further comprise the steps:
(1) by behind 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, the 4-8 weight part alum ore deposit tailings mixing at 600-700 ℃ of lower scaling loss 4-5 hour, after grind to form nanometer powder, the octyl epoxy stearate agitating of admixing the epoxyoleic acid butyl ester that is equivalent to powder weight 1-2%, 1-2% is even, oven dry, after being ground into powder, namely make the modified Nano mineral powder;
(2) take by weighing by weight ratio volcano rock dust and gypsum, after adding an amount of water, after mixing 2-3min under the 700-1000rpm, grind to get volcano rock dust gypsum mixed slurry, add by weight ratio again air-entrained concrete building block and prepare required all the other raw materials and under 2000-2800rpm, mix 3-5min, get 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 an amount of;
(3) the gained mixed slurry is poured into the mold moulding, afterwards at 40-50 ℃ of lower precuring 1-3 hour, the demoulding, handling to cutting part cuts, and gets the building block base;
(4) the building block base is put into reactor vapor cure, put in storage and get final product.
Described a kind of raw material contains the preparation technology of the air-entrained concrete building block of modified Nano mineral powder, it is characterized in that: the duration of described steam curing process is 10-15 hour, and temperature is 45 ℃.
Described a kind of raw material contains the preparation technology of the air-entrained concrete building block of modified Nano mineral powder, it is characterized in that: described volcanics powder fineness is 180 orders-200 orders, described dicalcium powder fineness is the 100-200 order, and described kaolin fineness is the 100-200 order.
Beneficial effect of the present invention is:
1, the present invention has effectively reduced environmental pollution by adopting waste material as the composition of air-entrained concrete building block, turns waste into wealth, and has protected environment; The present invention has alleviated the unit weight of brick by adding the nanometer powder breeze, simultaneously, has reduced energy consumption; Brick of the present invention is heat insulation all good with sound-proofing properties, and existing air-entrained concrete building block is significantly improved.Simultaneously the present invention is by the optimization of C/C composites materials, and intensity of the present invention, frost resistance are significantly improved; The 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 good thermal and insulating performance, ultimate compression strength are arranged is 5.1-7.3MPa.
Embodiment
Embodiment 1
A kind of raw material contains the preparation technology of the air-entrained concrete building block of modified Nano mineral powder, may further comprise the steps:
(1) by behind 10kg calcium carbonate, 5kg iron ore tailings, 2kg potassium felspar sand, 3kg shale, the 4kg alum ore deposit tailings mixing 700 ℃ of lower scaling loss 4 hours, after grind to form nanometer powder, admix the epoxyoleic acid butyl ester that is equivalent to powder weight 1%, 2% octyl epoxy stearate agitating is even, oven dry, after being ground into powder, namely make the modified Nano mineral powder;
(2) take by weighing by weight ratio volcano rock dust and gypsum, after adding an amount of water, after mixing 3min under the 1000rpm, grind to get volcano rock dust gypsum mixed slurry, add by weight ratio again air-entrained concrete building block and prepare required all the other raw materials and under 2000rpm, mix 5min, get 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 an amount of;
(3) the gained mixed slurry is poured into the mold moulding, afterwards 42 ℃ of lower precuring 2 hours, the demoulding, handling to cutting part cuts, and gets the building block base;
(4) the 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 good thermal and insulating performance, ultimate compression strength are arranged is 5.8MPa.
Embodiment 2
A kind of raw material contains the preparation technology of the air-entrained concrete building block of modified Nano mineral powder, may further comprise the steps:
(1) by behind 12kg calcium carbonate, 4kg iron ore tailings, 1kg potassium felspar sand, 3kg shale, the 6kg alum ore deposit tailings mixing 650 ℃ of lower scaling loss 5 hours, after grind to form nanometer powder, admix the epoxyoleic acid butyl ester that is equivalent to powder weight 2%, 2% octyl epoxy stearate agitating is even, oven dry, after being ground into powder, namely make the modified Nano mineral powder;
(2) take by weighing by weight ratio volcano rock dust and gypsum, after adding an amount of water, after mixing 3min under the 1000rpm, grind to get volcano rock dust gypsum mixed slurry, add by weight ratio again air-entrained concrete building block and prepare required all the other raw materials and under 2500rpm, mix 5min, get 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 an amount of;
(3) the gained mixed slurry is poured into the mold moulding, afterwards 40 ℃ of lower precuring 3 hours, the demoulding, handling to cutting part cuts, and gets the building block base;
(4) the 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 will be parked more than five days at storehouse before application at least.
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 good thermal and insulating performance, ultimate compression strength are arranged is 6.6MPa.
Claims (3)
1. a raw material contains the preparation technology of the air-entrained concrete building block of modified Nano mineral powder, it is characterized in that: may further comprise the steps:
(1) by behind 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, the 4-8 weight part alum ore deposit tailings mixing at 600-700 ℃ of lower scaling loss 4-5 hour, after grind to form nanometer powder, the octyl epoxy stearate agitating of admixing the epoxyoleic acid butyl ester that is equivalent to powder weight 1-2%, 1-2% is even, oven dry, after being ground into powder, namely make the modified Nano mineral powder;
(2) take by weighing by weight ratio volcano rock dust and gypsum, after adding an amount of water, after mixing 2-3min under the 700-1000rpm, grind to get volcano rock dust gypsum mixed slurry, add by weight ratio again air-entrained concrete building block and prepare required all the other raw materials and under 2000-2800rpm, mix 3-5min, get 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 an amount of;
(3) the gained mixed slurry is poured into the mold moulding, afterwards at 40-50 ℃ of lower precuring 1-3 hour, the demoulding, handling to cutting part cuts, and gets the building block base;
(4) the building block base is put into reactor vapor cure, put in storage and get final product.
2. a kind of raw material according to claim 1 contains the preparation technology of the air-entrained concrete building block of modified Nano mineral powder, it is characterized in that: the duration of described steam curing process is 10-15 hour, and temperature is 45 ℃.
3. a kind of raw material according to claim 1 contains the preparation technology of the air-entrained concrete building block of modified Nano mineral powder, it is characterized in that: described volcanics powder fineness is 180 orders-200 orders, described dicalcium powder fineness is the 100-200 order, and described kaolin fineness is the 100-200 order.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210304879.XA CN102875069B (en) | 2012-08-25 | 2012-08-25 | Preparation process for aerated concrete block with raw materials containing modified nano mineral powder |
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| CN201210304879.XA CN102875069B (en) | 2012-08-25 | 2012-08-25 | Preparation process for aerated concrete block with raw materials containing modified nano mineral powder |
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| Publication Number | Publication Date |
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| CN102875069A true CN102875069A (en) | 2013-01-16 |
| CN102875069B CN102875069B (en) | 2014-09-17 |
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| CN201210304879.XA Expired - Fee Related CN102875069B (en) | 2012-08-25 | 2012-08-25 | Preparation process for aerated concrete block with raw materials containing modified nano mineral powder |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103408971A (en) * | 2013-07-03 | 2013-11-27 | 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 |
| CN103408972A (en) * | 2013-07-03 | 2013-11-27 | 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 |
| CN103467033A (en) * | 2013-08-05 | 2013-12-25 | 安徽中龙建材科技有限公司 | Aerated concrete block added with volcanic rock powder |
| CN103803930A (en) * | 2013-12-31 | 2014-05-21 | 安徽省美域节能环保技术应用有限公司 | Light composite noise reduction and thermal insulation cement mortar |
| CN104058654A (en) * | 2014-05-30 | 2014-09-24 | 蚌埠华东石膏有限公司 | Expanded vermiculite particle concrete and preparation method thereof |
| CN104556916A (en) * | 2014-12-19 | 2015-04-29 | 安徽中龙建材科技有限公司 | Fireproof flame-retardant aerocrete building 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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| CN1954983A (en) * | 2005-10-24 | 2007-05-02 | 南京理工大学 | Method for preparing bearing steam-pressing aero-concrete using chemical clay-slag |
| CN101831981A (en) * | 2009-03-09 | 2010-09-15 | 黄丹平 | Composite light building block and preparation method thereof |
| CN101864823A (en) * | 2010-06-10 | 2010-10-20 | 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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2012
- 2012-08-25 CN CN201210304879.XA patent/CN102875069B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1954983A (en) * | 2005-10-24 | 2007-05-02 | 南京理工大学 | Method for preparing bearing steam-pressing aero-concrete using chemical clay-slag |
| CN101831981A (en) * | 2009-03-09 | 2010-09-15 | 黄丹平 | Composite light building block and preparation method thereof |
| CN101864823A (en) * | 2010-06-10 | 2010-10-20 | 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 |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103408971A (en) * | 2013-07-03 | 2013-11-27 | 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 |
| CN103408972A (en) * | 2013-07-03 | 2013-11-27 | 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 |
| CN103467033A (en) * | 2013-08-05 | 2013-12-25 | 安徽中龙建材科技有限公司 | Aerated concrete block added with volcanic rock powder |
| 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 |
| CN103803930A (en) * | 2013-12-31 | 2014-05-21 | 安徽省美域节能环保技术应用有限公司 | Light composite noise reduction and thermal insulation cement mortar |
| CN104058654A (en) * | 2014-05-30 | 2014-09-24 | 蚌埠华东石膏有限公司 | Expanded vermiculite particle concrete and preparation method thereof |
| 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 |
| CN104556916A (en) * | 2014-12-19 | 2015-04-29 | 安徽中龙建材科技有限公司 | Fireproof flame-retardant aerocrete building 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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| Publication number | Publication date |
|---|---|
| CN102875069B (en) | 2014-09-17 |
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