CN102875065B - Preparation process for fluorite slag-containing aerated brick - Google Patents
Preparation process for fluorite slag-containing aerated brick Download PDFInfo
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- CN102875065B CN102875065B CN201210304868.1A CN201210304868A CN102875065B CN 102875065 B CN102875065 B CN 102875065B CN 201210304868 A CN201210304868 A CN 201210304868A CN 102875065 B CN102875065 B CN 102875065B
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- powder
- slag
- aerated bricks
- furnace slag
- brick
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- 239000011449 brick Substances 0.000 title claims abstract description 43
- 239000002893 slag Substances 0.000 title claims abstract description 38
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 title claims abstract description 18
- 239000010436 fluorite Substances 0.000 title claims abstract description 18
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 239000000843 powder Substances 0.000 claims abstract description 27
- 239000002994 raw material Substances 0.000 claims abstract description 22
- 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
- 239000011858 nanopowder Substances 0.000 claims abstract description 9
- 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
- 238000000034 method Methods 0.000 claims abstract description 4
- 238000003860 storage Methods 0.000 claims abstract description 4
- 238000005516 engineering process Methods 0.000 claims description 15
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 8
- 239000006004 Quartz sand Substances 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
- 239000012634 fragment Substances 0.000 claims description 8
- 239000011521 glass Substances 0.000 claims description 8
- 239000011325 microbead Substances 0.000 claims description 8
- 238000012423 maintenance Methods 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- 241000276489 Merlangius merlangus Species 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 4
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 4
- 239000004141 Sodium laurylsulphate Substances 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
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 4
- 229910021502 aluminium hydroxide Inorganic materials 0.000 claims description 4
- 229960000892 attapulgite Drugs 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
- TVWTZAGVNBPXHU-FOCLMDBBSA-N dioctyl (e)-but-2-enedioate Chemical compound CCCCCCCCOC(=O)\C=C\C(=O)OCCCCCCCC TVWTZAGVNBPXHU-FOCLMDBBSA-N 0.000 claims description 4
- 239000012467 final product Substances 0.000 claims description 4
- 239000003595 mist Substances 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
- 229910052625 palygorskite Inorganic materials 0.000 claims description 4
- 229920000191 poly(N-vinyl pyrrolidone) Polymers 0.000 claims description 4
- -1 polyethylene Polymers 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- 239000011435 rock 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
- 235000019333 sodium laurylsulphate Nutrition 0.000 claims description 4
- 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 4
- 238000010025 steaming Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 abstract 2
- 238000003756 stirring Methods 0.000 abstract 2
- 230000008014 freezing Effects 0.000 abstract 1
- 238000007710 freezing Methods 0.000 abstract 1
- 238000000227 grinding Methods 0.000 abstract 1
- 238000005303 weighing Methods 0.000 abstract 1
- 239000004567 concrete Substances 0.000 description 14
- 239000000463 material 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
- 239000000047 product Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
- 238000004519 manufacturing process 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
- 239000000203 mixture Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
Classifications
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a preparation process for a fluorite slag-containing aerated brick. The process comprises the following steps of: weighing blast furnace slag powder and gypsum in a weight ratio; adding an appropriate amount of water, stirring and mixing at the speed of 700 to 1,000rpm for 2 to 3 minutes, and grinding to obtain blast furnace slag powder and gypsum mixed slurry; adding fluorite slag-containing modified nano powder and other residual raw materials required by preparing the aerated brick in a weigh ratio, and stirring and mixing at the speed of 2,000 to 2,800rpm for 3 to 5 minutes; pouring the obtained mixed slurry into a mould and forming, precuring at the temperature of between 40 and 50 DEG C for 1 to 3 hours; demoulding; lifting to a cutting part and cutting to obtain a brick blank; and putting the brick blank in a reaction kettle and performing autoclaved curing, and putting in storage. The raw materials are mixed according to an optimized formula; and the intensity and the freezing resistance of the brick are improved obviously.
Description
Technical field
The present invention relates to the preparation technology field of brick, is exactly the preparation technology of a kind of raw material aerated bricks of containing fluorite slag.
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, ground granulated blast furnace 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 the present invention is to provide the preparation technology of the aerated bricks that a kind of products obtained therefrom intensity raw material high, that unit weight is low contains fluorite slag.
Above-mentioned purpose realizes by following scheme:
A preparation technology for the aerated bricks that raw material contains fluorite slag, is characterized in that: comprise the following steps:
(1) by 10-12 weight part calcium carbonate, 3-5 weight part fluorite slag, 1-2 weight part oyster shell whiting, 2-4 weight part volcano rock dust, 4-8 weight part colliery powder, mixed after 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 dioctyl maleate agitating of 1-2% is even, dry, be ground into after powder, make modified Nano powder;
(2) take by weight ratio ground granulated blast furnace slag and gypsum, be uniformly mixed 2-3min under 700-1000rpm after adding appropriate water after, grind to obtain ground granulated blast furnace slag gypsum mixed slurry, add by weight ratio again aerated bricks 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 aerated bricks is:
Ground granulated blast furnace slag 35-40, cement 8-10, unslaked lime 10-15, modified Nano powder 5-10, hollow glass microbead 2-4, quartz sand 1-2, gypsum 3-5, aluminium powder 0.05-0.1, sodium lauryl sulphate 0.002-0.008, peregal 0.03-0.08, soda ash 0.1-0.3, Zinic stearas 0.8-0.9, attapulgite 0.3-0.5, aluminium hydroxide 0.01-0.03, micronized polyethylene alcohol micro mist 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 fragment of brick base;
(4) fragment of brick base is put into reactor steam press maintenance, put in storage and get final product.
The preparation technology of the aerated bricks that described a kind of raw material contains fluorite slag, is characterized in that: the duration of described steaming pressuring curing process is 7-10 hour, and temperature is 170-180 ℃, and pressure is 1-1.3MPa.
The preparation technology of the aerated bricks that described a kind of raw material contains fluorite slag, is characterized in that: described blast-furnace slag powder fineness is 180 order-200 orders, and described hollow glass microbead fineness is 100-200 order, and described quartz sand fineness is 100-200 order.
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 530-710kg/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 5.1-7.3MPa.
Embodiment
embodiment 1
A preparation technology for the aerated bricks that raw material contains fluorite slag, comprises the following steps:
(1) by 10kg calcium carbonate, 5kg fluorite slag, 2kg oyster shell whiting, 3kg volcano rock dust, 4kg colliery powder, mixed after at 700 ℃ scaling loss 4 hours, after grind to form nanometer powder, admix that to be equivalent to octyl epoxy stearate, 2% the dioctyl maleate agitating of powder weight 1% even, dry, be ground into after powder, make modified Nano powder;
(2) take by weight ratio ground granulated blast furnace slag and gypsum, be uniformly mixed 3min under 1000rpm after adding appropriate water after, grind to obtain ground granulated blast furnace slag gypsum mixed slurry, add by weight ratio again aerated bricks 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 aerated bricks is (kg):
Ground granulated blast furnace slag 40, cement 10, unslaked lime 15, modified Nano powder 10, hollow glass microbead 2, quartz sand 1, gypsum 5, aluminium powder 0.1, sodium lauryl sulphate 0.008, peregal 0.08, soda ash 0.3, Zinic stearas 0.8, attapulgite 0.3, aluminium hydroxide 0.03, micronized polyethylene alcohol micro mist 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 fragment of brick base;
(4) fragment of brick base is put into reactor steam press maintenance, put in storage and get final product.
Described blast-furnace slag powder fineness is 180 orders, and described hollow glass microbead fineness is 100 orders, and described quartz sand fineness is 200 orders.
The average unit weight of this aerated bricks product is 640kg/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 6.1MPa.
embodiment 2
A preparation technology for the aerated bricks that raw material contains fluorite slag, comprises the following steps:
(1) by 12kg calcium carbonate, 4kg fluorite slag, 1kg oyster shell whiting, 3kg volcano rock dust, 6kg colliery powder, mixed after at 650 ℃ scaling loss 5 hours, after grind to form nanometer powder, admix that to be equivalent to octyl epoxy stearate, 2% the dioctyl maleate agitating of powder weight 2% even, dry, be ground into after powder, make modified Nano powder;
(2) take by weight ratio ground granulated blast furnace slag and gypsum, be uniformly mixed 3min under 1000rpm after adding appropriate water after, grind to obtain ground granulated blast furnace slag gypsum mixed slurry, add by weight ratio again aerated bricks 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 aerated bricks is:
Ground granulated blast furnace slag 40, cement 10, unslaked lime 15, modified Nano powder 5, hollow glass microbead 4, quartz sand 1.5, gypsum 3.5, aluminium powder 0.05, sodium lauryl sulphate 0.002, peregal 0.03, soda ash 0.1, Zinic stearas 0.9, attapulgite 0.3, aluminium hydroxide 0.01, micronized polyethylene alcohol micro mist 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 fragment of brick base;
(4) fragment of brick base is put into reactor steam press maintenance, the duration of steaming pressuring curing process is 8 hours, and temperature is 180 ℃, and pressure is 1MPa, rear warehouse-in and get final product.Before maintenance, the heating-up time is 3 hours, and after maintenance, temperature fall time is 4 hours.
Described blast-furnace slag powder fineness is 180 orders, and described hollow glass microbead fineness is 200 orders, and described quartz sand fineness is 200 orders.
The average unit weight of this aerated bricks product is 610kg/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 6.7MPa.
Claims (3)
1. a preparation technology for the aerated bricks that raw material contains fluorite slag, is characterized in that: comprise the following steps:
(1) by 10-12 weight part calcium carbonate, 3-5 weight part fluorite slag, 1-2 weight part oyster shell whiting, 2-4 weight part volcano rock dust, 4-8 weight part colliery powder, mixed after 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 dioctyl maleate agitating of 1-2% is even, dry, be ground into after powder, make modified Nano powder;
(2) take by weight ratio ground granulated blast furnace slag and gypsum, be uniformly mixed 2-3min under 700-1000rpm after adding appropriate water after, grind to obtain ground granulated blast furnace slag gypsum mixed slurry, add by weight ratio again aerated bricks to prepare required all the other raw materials and be uniformly mixed 3-5min under 2000-2800rpm, obtain mixed slurry;
The weight proportion of each raw material YikgWei unit of described aerated bricks is:
Ground granulated blast furnace slag 35-40, cement 8-10, unslaked lime 10-15, modified Nano powder 5-10, hollow glass microbead 2-4, quartz sand 1-2, gypsum 3-5, aluminium powder 0.05-0.1, sodium lauryl sulphate 0.002-0.008, peregal 0.03-0.08, soda ash 0.1-0.3, Zinic stearas 0.8-0.9, attapulgite 0.3-0.5, aluminium hydroxide 0.01-0.03, micronized polyethylene alcohol micro mist 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 fragment of brick base;
(4) fragment of brick base is put into reactor steam press maintenance, put in storage and get final product.
2. the preparation technology of the aerated bricks that a kind of raw material according to claim 1 contains fluorite slag, is characterized in that: the duration of described steaming pressuring curing process is 7-10 hour, and temperature is 170-180 ℃, and pressure is 1-1.3MPa.
3. the preparation technology of the aerated bricks that a kind of raw material according to claim 1 contains fluorite slag, it is characterized in that: described blast-furnace slag powder fineness is 180 order-200 orders, described hollow glass microbead fineness is 100-200 order, and described quartz sand fineness is 100-200 order.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210304868.1A CN102875065B (en) | 2012-08-25 | 2012-08-25 | Preparation process for fluorite slag-containing aerated brick |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210304868.1A CN102875065B (en) | 2012-08-25 | 2012-08-25 | Preparation process for fluorite slag-containing aerated brick |
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| Publication Number | Publication Date |
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| CN102875065A CN102875065A (en) | 2013-01-16 |
| CN102875065B true CN102875065B (en) | 2014-08-13 |
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Cited By (1)
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| CN104817300A (en) * | 2015-04-25 | 2015-08-05 | 安徽阜阳富龙建筑材料有限责任公司 | Steam-pressing brick containing sludge |
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| CN101831981B (en) * | 2009-03-09 | 2012-07-18 | 黄丹平 | Composite light building block and preparation method thereof |
| CN101698575A (en) * | 2009-11-12 | 2010-04-28 | 崔传鹏 | Low-carbon active ligand and low-carbon slag powder cementitious material |
| CN102167532B (en) * | 2010-12-15 | 2013-02-13 | 中国矿业大学(北京) | concrete admixture and a method for preparing the concrete admixture by calcining coal gangue |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104829205B (en) * | 2015-04-13 | 2016-09-07 | 倪木荣 | A kind of preparation method of the baking-free water-permeable brick containing Chinese herbal medicine |
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| CN102875065A (en) | 2013-01-16 |
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