CN105693158A - Autoclaved aerated concrete building block having amount of quartz tailing sand improved and preparation method thereof - Google Patents
Autoclaved aerated concrete building block having amount of quartz tailing sand improved and preparation method thereof Download PDFInfo
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- CN105693158A CN105693158A CN201510382282.0A CN201510382282A CN105693158A CN 105693158 A CN105693158 A CN 105693158A CN 201510382282 A CN201510382282 A CN 201510382282A CN 105693158 A CN105693158 A CN 105693158A
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Abstract
The invention discloses an autoclaved aerated concrete building block having the amount of quartz tailing sand improved and a preparation method thereof. The autoclaved aerated concrete building block having the amount of the quartz tailing sand improved comprises the components in parts by weight: 65-75 parts of the quartz tailing sand, 12-20 parts of quick lime, 8-12 parts of cement, 2-5 parts of a gypsum powder, and 0.05-0.1 part of an aluminum powder paste, wherein the water-to-material ratio is 0.55-0.65. The preparation method of the autoclaved aerated concrete building block having the amount of the quartz tailing sand improved comprises the following steps: (A) die casting: mixing the materials evenly, and carrying out die casting; (B) gas-release initial setting: conveying to push the die into an independently-designed initial curing room, carrying out gas-release initial setting, and controlling the initial curing room temperature to be 45-80 DEG C and the curing time to be 1-2 h; (C) cutting and continuous steam pressing molding: after initial curing, lifting a die frame and a blank together to a cutting stage with a pre-placed kettle bottom plate by a negative pressure lifting appliance, cutting, and then carrying out general continuous steam pressing molding processing. Experiments prove that the dry density reaches a B06 superior product grade, the strength grade of the building block reaches level A5.0, the thermal conductivity coefficient is reduced to 0.14 W/(m*K), and the dry shrinkage rate is less than 0.55 mm/m.
Description
Technical field
The present invention relates to a kind of autoclave aerated concrete building block improving quartz tail sand consumption and preparation method thereof, belong to building material field。
Background technology
Autoclave aerated concrete building block is to add aluminium powder in the dispensing with calcareous material (such as cement, Calx) and siliceous material (such as sand, flyash, slag) to make air-entrainment, through the stirring that adds water, moulding by casting, expansion of getting angry, precuring cutting, then through the porous silicate building block of autoclave curing。At production and the applicating history in China's existing more than 60 years, owing to having lightweight, good heat insulating, it is widely used in industry and in civil buildings, is being currently production technology and the most ripe novel wall material of application technology。
Quartz Tails includes the waste residue in ore extraction, the tailings in the course of processing and tail mud, and wherein tailings accounts for the overwhelming majority。The chemical composition of quartz tail sand is mainly SiO2, and impurity is mainly Anhydrite, clay, Muscovitum, iron mineral etc., for instance Area, Fengyang County, Anhui enterprise tailings moisture 2%～15%, light yellow in color。Quartz sand, quartzy sandstone, quartzite, vein quartz etc. are referred to as siliceous raw material, can be used as frit, ceramic aggregate, glazing type material, refractory material, metallurgical compound, electrical apparatus insulation filler, abrasive media, plastic filler, coating additive, it is also possible to as metal casting moulding and the filtration of surface treatment, oil and water, supports of well formation pressure break, golf course paving, build wipe one's face, mechanical seal and the field such as chemical industry is medical。
China's Quartz Tails abundance, therefore when producing autoclave aerated concrete building block, increases the consumption of quartz sand, reduces the consumption of cement and quick lime, it is possible to reduce the cost of autoclave aerated concrete building block product。Therefore, a kind of autoclave aerated concrete building block improving quartz tail sand consumption and preparation method thereof is necessary。
Summary of the invention
The present invention seeks to, be used for making up the deficiency of existing formula, and a kind of autoclave aerated concrete building block improving quartz tail sand consumption and preparation method thereof is provided。
To achieve these goals, technical scheme is as follows:
1, a kind of autoclave aerated concrete building block improving quartz tail sand consumption, it is characterized in that, in parts by weight, including quartz tail sand 65-75 part, quick lime 12-20 part, cement 8-12 part, Gypsum Fibrosum powder 2-5 part, aluminium powder cream 0.05-0.1 part, ratio of water to material 0.55-0.65。
The preparation method of the described autoclave aerated concrete building block improving quartz tail sand consumption, it is characterised in that include following step:
(A) die casting: mixing of materials is uniformly carried out die casting；
(B) get angry initial set: being transported to the first foster room pushing autonomous Design and carry out getting angry initial set, control just to support room temperature 45～80 DEG C, curing time is 1～2 hour；
(C) the continuous steam pressure molding of cutting: with negative pressure suspender, framed and base substrate are together hung the cutting bed putting bottom plate in advance well after just supporting and cut, carries out conventional continuous steam pressure processing and forming later again。
Beneficial effects of the present invention is as follows:
Preparation technology of the present invention is simple, the advantage that autoclave aerated concrete building block has intensity height, heat conductivity is low, drying shrinkage value is low improving quartz tail sand consumption prepared, and is a kind of desirably autoclave aerated concrete building block。The experiment proved that, its dry density reaches B06 high-class product rank, and the intensity rank of building block reaches A5.0 level, and heat conductivity is for being down to 0.14W/ (m?K), drying shrinkage is less than 0.55mm/m。
Detailed description of the invention
For the technological means making the present invention realize, creation characteristic, reach purpose and be easy to understand, below in conjunction with specific embodiment, the present invention is expanded on further。
Embodiment 1:
In the present embodiment, a kind of autoclave aerated concrete building block improving quartz tail sand consumption, in parts by weight, including quartz tail sand 70 parts, quick lime 15 parts, cement 10 parts, Gypsum Fibrosum powder 4.5 parts, aluminium powder cream 0.06 part, ratio of water to material 0.62。
The preparation method of the described autoclave aerated concrete building block improving quartz tail sand consumption, it is characterised in that include following step:
(A) die casting: mixing of materials is uniformly carried out die casting；
(B) get angry initial set: being transported to the first foster room pushing autonomous Design and carry out getting angry initial set, control just to support room temperature 75 DEG C, curing time is 1.5 hours；
(C) the continuous steam pressure molding of cutting: with negative pressure suspender, framed and base substrate are together hung the cutting bed putting bottom plate in advance well after just supporting and cut, carries out conventional continuous steam pressure processing and forming later again。
Preparation technology of the present invention is simple, the advantage that autoclave aerated concrete building block has intensity height, heat conductivity is low, drying shrinkage value is low improving quartz tail sand consumption prepared, and is a kind of desirably autoclave aerated concrete building block。The experiment proved that, its dry density reaches B06 high-class product rank, and the intensity rank of building block reaches A5.0 level, and heat conductivity is 0.13W/ (m?K), drying shrinkage 0.49mm/m。
Embodiment 2:
In the present embodiment, a kind of autoclave aerated concrete building block improving quartz tail sand consumption, in parts by weight, including quartz tail sand 72 parts, quick lime 14 parts, cement 9 parts, Gypsum Fibrosum powder 5 parts, aluminium powder cream 0.07 part, ratio of water to material 0.60。
The preparation method of the described autoclave aerated concrete building block improving quartz tail sand consumption, it is characterised in that include following step:
(A) die casting: mixing of materials is uniformly carried out die casting；
(B) get angry initial set: being transported to the first foster room pushing autonomous Design and carry out getting angry initial set, control just to support room temperature 70 DEG C, curing time is 2 hours；
(C) the continuous steam pressure molding of cutting: with negative pressure suspender, framed and base substrate are together hung the cutting bed putting bottom plate in advance well after just supporting and cut, carries out conventional continuous steam pressure processing and forming later again。
Preparation technology of the present invention is simple, the advantage that autoclave aerated concrete building block has intensity height, heat conductivity is low, drying shrinkage value is low improving quartz tail sand consumption prepared, and is a kind of desirably autoclave aerated concrete building block。The experiment proved that, its dry density reaches B06 high-class product rank, and the intensity rank of building block reaches A5.0 level, and heat conductivity is 0.13W/ (m?K), drying shrinkage 0.51mm/m。
The ultimate principle of the present invention and principal character and advantages of the present invention have more than been shown and described。The present invention is not restricted to the described embodiments; described in above-described embodiment and description is that principles of the invention is described; without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, and these changes and improvements both fall within the claimed scope of the invention。Claimed scope is defined by appending claims and equivalent thereof。
Claims (2)
1. the autoclave aerated concrete building block improving quartz tail sand consumption, it is characterized in that, in parts by weight, including quartz tail sand 65-75 part, quick lime 12-20 part, cement 8-12 part, Gypsum Fibrosum powder 2-5 part, aluminium powder cream 0.05-0.1 part, ratio of water to material 0.55-0.65。
2. the preparation method of the autoclave aerated concrete building block of raising quartz tail sand consumption according to claim 1, it is characterised in that include following step:
(A) die casting: mixing of materials is uniformly carried out die casting；
(B) get angry initial set: being transported to the first foster room pushing autonomous Design and carry out getting angry initial set, control just to support room temperature 45～80 DEG C, curing time is 1～2 hour；
(C) the continuous steam pressure molding of cutting: with negative pressure suspender, framed and base substrate are together hung the cutting bed putting bottom plate in advance well after just supporting and cut, carries out conventional continuous steam pressure processing and forming later again。
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510382282.0A CN105693158A (en) | 2015-07-03 | 2015-07-03 | Autoclaved aerated concrete building block having amount of quartz tailing sand improved and preparation method thereof |
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| CN201510382282.0A CN105693158A (en) | 2015-07-03 | 2015-07-03 | Autoclaved aerated concrete building block having amount of quartz tailing sand improved and preparation method thereof |
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| CN105693158A true CN105693158A (en) | 2016-06-22 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106186889A (en) * | 2016-07-25 | 2016-12-07 | 广西云吉环保科技有限公司 | Energy-saving wall insulating brick |
| CN106187011A (en) * | 2016-07-25 | 2016-12-07 | 广西云吉环保科技有限公司 | A kind of method utilizing flyash to produce foamed building block |
| CN106186892A (en) * | 2016-07-25 | 2016-12-07 | 广西云吉环保科技有限公司 | A kind of method utilizing quartz tail sand to produce insulation material for building |
| CN106186893A (en) * | 2016-07-25 | 2016-12-07 | 广西云吉环保科技有限公司 | A kind of building energy conservation body of wall baking-free building block |
| CN106186891A (en) * | 2016-07-25 | 2016-12-07 | 广西云吉环保科技有限公司 | A kind of sound-insulating material |
| CN106186888A (en) * | 2016-07-25 | 2016-12-07 | 广西云吉环保科技有限公司 | A kind of copper tailings and the method for carbide slag resource recycling |
| CN106365672A (en) * | 2016-08-29 | 2017-02-01 | 湖北远固新型建材科技股份有限公司 | Method for preparing high-performance autoclaved aerated concrete blocks through graphite tailings |
| CN106565270A (en) * | 2016-11-04 | 2017-04-19 | 武汉天沭除尘设备有限公司 | Preparation method for producing autoclaved aerated concrete by using silicon sludge and product prepared by using preparation method |
| CN108275903A (en) * | 2018-01-09 | 2018-07-13 | 祎禾科技有限公司 | A kind of concrete admixture of high ferro fragment-free track slab |
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| CN101327621A (en) * | 2007-06-18 | 2008-12-24 | 上海良浦新型墙体材料有限公司 | Steamed aerated concrete |
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| CN103011881A (en) * | 2012-12-27 | 2013-04-03 | 山东宏艺科技股份有限公司 | Method for increasing quartz sand tailing powder content in aerated concrete product |
| CN103193431A (en) * | 2012-09-03 | 2013-07-10 | 上海舟润实业有限公司 | Quartz tailing autoclaved aerated concrete building block and preparation method thereof |
| CN104163607A (en) * | 2014-08-03 | 2014-11-26 | 合肥大来新型建材有限公司 | Autoclaved aerated concrete block |
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Patent Citations (5)
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| CN101327621A (en) * | 2007-06-18 | 2008-12-24 | 上海良浦新型墙体材料有限公司 | Steamed aerated concrete |
| CN101328041A (en) * | 2008-07-23 | 2008-12-24 | 朱福华 | High performance aerated concrete and production method thereof |
| CN103193431A (en) * | 2012-09-03 | 2013-07-10 | 上海舟润实业有限公司 | Quartz tailing autoclaved aerated concrete building block and preparation method thereof |
| CN103011881A (en) * | 2012-12-27 | 2013-04-03 | 山东宏艺科技股份有限公司 | Method for increasing quartz sand tailing powder content in aerated concrete product |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106186889A (en) * | 2016-07-25 | 2016-12-07 | 广西云吉环保科技有限公司 | Energy-saving wall insulating brick |
| CN106187011A (en) * | 2016-07-25 | 2016-12-07 | 广西云吉环保科技有限公司 | A kind of method utilizing flyash to produce foamed building block |
| CN106186892A (en) * | 2016-07-25 | 2016-12-07 | 广西云吉环保科技有限公司 | A kind of method utilizing quartz tail sand to produce insulation material for building |
| CN106186893A (en) * | 2016-07-25 | 2016-12-07 | 广西云吉环保科技有限公司 | A kind of building energy conservation body of wall baking-free building block |
| CN106186891A (en) * | 2016-07-25 | 2016-12-07 | 广西云吉环保科技有限公司 | A kind of sound-insulating material |
| CN106186888A (en) * | 2016-07-25 | 2016-12-07 | 广西云吉环保科技有限公司 | A kind of copper tailings and the method for carbide slag resource recycling |
| CN106365672A (en) * | 2016-08-29 | 2017-02-01 | 湖北远固新型建材科技股份有限公司 | Method for preparing high-performance autoclaved aerated concrete blocks through graphite tailings |
| CN106565270A (en) * | 2016-11-04 | 2017-04-19 | 武汉天沭除尘设备有限公司 | Preparation method for producing autoclaved aerated concrete by using silicon sludge and product prepared by using preparation method |
| CN108275903A (en) * | 2018-01-09 | 2018-07-13 | 祎禾科技有限公司 | A kind of concrete admixture of high ferro fragment-free track slab |
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Application publication date: 20160622 |
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