CN111499317A - Autoclaved aerated concrete slab with ultralow heat conductivity coefficient - Google Patents
Autoclaved aerated concrete slab with ultralow heat conductivity coefficient Download PDFInfo
- Publication number
- CN111499317A CN111499317A CN202010196780.7A CN202010196780A CN111499317A CN 111499317 A CN111499317 A CN 111499317A CN 202010196780 A CN202010196780 A CN 202010196780A CN 111499317 A CN111499317 A CN 111499317A
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- China
- Prior art keywords
- heat conductivity
- aerated concrete
- autoclaved aerated
- ultralow heat
- ultralow
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000004567 concrete Substances 0.000 title claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 238000005520 cutting process Methods 0.000 claims abstract description 4
- 238000009775 high-speed stirring Methods 0.000 claims abstract description 4
- 238000004519 manufacturing process Methods 0.000 claims abstract description 4
- 238000010025 steaming Methods 0.000 claims abstract description 4
- 239000012257 stirred material Substances 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 claims abstract description 4
- 239000000654 additive Substances 0.000 claims description 7
- 239000006260 foam Substances 0.000 claims description 7
- 239000003381 stabilizer Substances 0.000 claims description 7
- 239000004094 surface-active agent Substances 0.000 claims description 7
- 239000011148 porous material Substances 0.000 claims description 5
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 claims description 4
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 claims description 4
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 claims description 4
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000005642 Oleic acid Substances 0.000 claims description 4
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims description 4
- 230000000996 additive effect Effects 0.000 claims description 4
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 claims description 4
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 2
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 2
- 239000000839 emulsion Substances 0.000 claims description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 2
- 229920000570 polyether Polymers 0.000 claims description 2
- -1 polyoxyethylene lauryl ether Polymers 0.000 claims description 2
- 229920000259 polyoxyethylene lauryl ether Polymers 0.000 claims description 2
- 229920001296 polysiloxane Polymers 0.000 claims description 2
- 230000002265 prevention Effects 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 238000005266 casting Methods 0.000 claims 1
- 239000002699 waste material Substances 0.000 abstract description 2
- 239000004568 cement Substances 0.000 abstract 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 abstract 1
- 235000011941 Tilia x europaea Nutrition 0.000 abstract 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 1
- 239000004571 lime Substances 0.000 abstract 1
- 239000004570 mortar (masonry) Substances 0.000 abstract 1
- 239000002002 slurry Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 238000009413 insulation Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000011381 foam concrete Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/10—Lime cements or magnesium oxide cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Porous Artificial Stone Or Porous Ceramic Products (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a production process of autoclaved aerated concrete with ultralow heat conductivity coefficient, which comprises the steps of preparing the raw materials according to a proportion, adding the raw materials into a stirring tank for high-speed stirring at the rotating speed of 1400 revolutions per minute, pouring the stirred materials into a mold, walking and standing still, opening the mold, turning and cutting, removing a bottom material, steaming, breaking off the board, and inspecting and warehousing finished products. The invention relates to an autoclaved aerated concrete with ultralow heat conductivity coefficient, which comprises the following components in percentage by weight: 1300 kg (5 cubic) lime: 120 kg, 500 kg of cement, 480 kg of mortar (dry), 200 kg of waste slurry (dry), 2.7 kg of aluminum powder (dry), and the ratio of water to cement: 0.82, admixture 1: 200ml, admixture 2: 200 ml.
Description
Technical Field
The invention relates to autoclaved aerated concrete, and in particular relates to autoclaved aerated concrete with an ultralow heat conductivity coefficient.
Background
With the vigorous implementation of the energy-saving policy of buildings in China, materials used in modern buildings are required to have the properties of light weight, high strength, heat preservation, heat insulation, waste utilization, energy conservation and the like. As a novel building material, the foam concrete has the performance, and is increasingly widely applied to modern building engineering.
At present, lightweight aggregate concrete is widely applied to industrial and civil buildings and other projects, and has the benefits of reducing the dead weight of the structure, improving the seismic performance of the structure, saving the material consumption, improving the component transportation and hoisting efficiency, reducing the foundation load, improving the building functions (heat preservation, heat insulation, fire resistance and the like) and the like.
At present, the heat conductivity coefficient of the autoclaved aerated concrete product is between 0.10 and 0.20W/(m.K), and a product with lower heat conductivity coefficient is required to be used at part of the engineering application.
Disclosure of Invention
The invention aims to provide autoclaved aerated concrete with an ultralow heat conductivity coefficient.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the invention relates to an autoclaved aerated concrete with ultralow heat conductivity coefficient, which comprises the following components in percentage by weight: 1300 kg (5 cube)
The additive 1 is a foam stabilizer.
The foam stabilizer is prepared from silicone polyether emulsion, triethanolamine and oleic acid according to a certain proportion.
The additive 2 is a surfactant.
The surfactant is prepared from triethanolamine, oleic acid, sodium dodecyl sulfate and polyoxyethylene lauryl ether according to a certain proportion.
The production process of the autoclaved aerated concrete slab with the ultralow heat conductivity coefficient comprises the steps of preparing the raw materials according to a proportion, adding the raw materials into a stirring tank for high-speed stirring at the rotating speed of 1400 revolutions per minute, pouring the stirred materials into a mold, walking and standing for 4 hours, opening the mold, turning over and cutting, removing a bottom material, steaming, breaking off the slab, and inspecting and warehousing finished products. By adding the additives such as the foam stabilizer, the surfactant and the like, the pore structure and pore closure of the product are improved, the dry density of the product is reduced, and the product with the heat conductivity coefficient of 0.08 is achieved.
And adding a mesh cage in the pouring process, welding the two groups of meshes by the mesh cage, and putting the mesh cage into a mould after rust prevention treatment.
The pouring material is vibrated by the vibrating spear during the traveling.
The invention has the beneficial effects that:
by adding the additives such as the foam stabilizer, the surfactant and the like, the dry density of the produced product is about 240-260, the pore structure of the product is uniform, and the independence is good.
Drawings
FIG. 1 is a process flow diagram of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Example 1 as shown in fig. 1, the formulation of the ultra-low thermal conductivity autoclaved aerated concrete of the invention is as follows: 1300 kg (5 cube)
The production process of the autoclaved aerated concrete slab with the ultralow heat conductivity coefficient comprises the steps of preparing the raw materials according to a proportion, adding the raw materials into a stirring tank for high-speed stirring at the rotating speed of 1400 revolutions per minute, pouring the stirred materials into a mold, walking and standing for 4 hours, opening the mold, turning over and cutting, removing a bottom material, steaming, breaking off the slab, and inspecting and warehousing finished products.
Example 2
The formula of the autoclaved aerated concrete with the ultralow heat conductivity coefficient is as follows: 1300 kg (5 cube)
Example 3
The formula of the autoclaved aerated concrete with the ultralow heat conductivity coefficient is as follows: 1300 kg (5 cube)
The present invention is not limited to the above-described preferred embodiments, but rather, any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The ultra-low heat conductivity coefficient autoclaved aerated concrete is characterized in that: the formula comprises the following components in parts by weight: 1300 kg (5 cube)
2. The autoclaved aerated concrete with ultralow heat conductivity according to claim 1, wherein: the additive 1 is a foam stabilizer.
3. The autoclaved aerated concrete with ultralow heat conductivity according to claim 2, wherein: the foam stabilizer is prepared from silicone polyether emulsion, triethanolamine and oleic acid according to a certain proportion.
4. The autoclaved aerated concrete with ultralow heat conductivity according to claim 1, wherein: the additive 2 is a surfactant.
5. The autoclaved aerated concrete with ultralow heat conductivity according to claim 4, wherein: the surfactant is prepared from triethanolamine, oleic acid, sodium dodecyl sulfate and polyoxyethylene lauryl ether according to a certain proportion.
6. The autoclaved aerated concrete with ultralow heat conductivity according to claim 1, wherein: the production process of the autoclaved aerated concrete with the ultralow heat conductivity coefficient comprises the steps of preparing the raw materials according to a proportion, adding the raw materials into a stirring tank for high-speed stirring at the rotating speed of 1400 revolutions per minute, pouring the stirred materials into a mold, walking and standing for about 4 hours, opening the mold, turning over and cutting, removing a bottom material, steaming, breaking off the board, and inspecting and warehousing finished products. By adding the additives such as the foam stabilizer, the surfactant and the like, the pore structure and pore closure of the product are improved, the dry density of the product is reduced, and the product with the heat conductivity coefficient of 0.08 is achieved.
7. The autoclaved aerated concrete with ultralow heat conductivity according to claim 6, wherein: and (3) adding a mesh cage in the pouring, welding two groups of meshes of the mesh cage, and putting the mesh cage into a mould after rust prevention treatment.
8. The autoclaved aerated concrete with ultralow heat conductivity according to claim 6, wherein: and a vibrating rod is added to vibrate the casting material in the walking and standing process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010196780.7A CN111499317A (en) | 2020-03-19 | 2020-03-19 | Autoclaved aerated concrete slab with ultralow heat conductivity coefficient |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010196780.7A CN111499317A (en) | 2020-03-19 | 2020-03-19 | Autoclaved aerated concrete slab with ultralow heat conductivity coefficient |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111499317A true CN111499317A (en) | 2020-08-07 |
Family
ID=71865747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010196780.7A Pending CN111499317A (en) | 2020-03-19 | 2020-03-19 | Autoclaved aerated concrete slab with ultralow heat conductivity coefficient |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111499317A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112341241A (en) * | 2020-11-30 | 2021-02-09 | 浙江开元新型墙体材料有限公司 | Ultra-low dry density autoclaved aerated concrete and production method thereof |
| CN112408930A (en) * | 2020-11-30 | 2021-02-26 | 浙江开元新型墙体材料有限公司 | Autoclaved aerated concrete B05-grade waterproof building block and preparation method thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101713229A (en) * | 2009-11-13 | 2010-05-26 | 浙江中厦新型建材有限公司 | Autoclaved aerated concrete building block produced from copper ore tails and process thereof |
| CN101913902A (en) * | 2010-08-04 | 2010-12-15 | 舟山市宇锦新型墙体材料有限公司 | Powder ash air-entrained concrete building block and preparation method thereof |
| CN105924113A (en) * | 2016-04-18 | 2016-09-07 | 盐城工学院 | Self-heat insulation aerated concrete building block and mortar for construction of building blocks |
| CN106045559A (en) * | 2016-06-02 | 2016-10-26 | 湖州汇能新材料科技有限公司 | Aerated concrete slab preparation method |
| CN106588077A (en) * | 2016-11-18 | 2017-04-26 | 固原开源节能建材有限公司 | Lightweight high-strength fly ash aerated concrete building block and preparation method thereof |
| EP3176483A1 (en) * | 2015-12-03 | 2017-06-07 | HILTI Aktiengesellschaft | Fire protection and insulating foam on an inorganic base and use of same |
| CN107721454A (en) * | 2017-11-20 | 2018-02-23 | 陕西凝远新材料科技股份有限公司 | B02 grade light autoclaved sand aerated concrete fireproof insulation board and preparation method thereof |
| CN108585923A (en) * | 2018-04-24 | 2018-09-28 | 南京兴陶预制品有限责任公司 | A kind of autoclave aerated concrete building block and preparation method thereof |
| CN110240462A (en) * | 2019-07-02 | 2019-09-17 | 江苏宝鹏建筑工业化材料有限公司 | ALC plate and preparation method thereof, ALC plate mortar |
-
2020
- 2020-03-19 CN CN202010196780.7A patent/CN111499317A/en active Pending
Patent Citations (9)
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|---|---|---|---|---|
| CN101713229A (en) * | 2009-11-13 | 2010-05-26 | 浙江中厦新型建材有限公司 | Autoclaved aerated concrete building block produced from copper ore tails and process thereof |
| CN101913902A (en) * | 2010-08-04 | 2010-12-15 | 舟山市宇锦新型墙体材料有限公司 | Powder ash air-entrained concrete building block and preparation method thereof |
| EP3176483A1 (en) * | 2015-12-03 | 2017-06-07 | HILTI Aktiengesellschaft | Fire protection and insulating foam on an inorganic base and use of same |
| CN105924113A (en) * | 2016-04-18 | 2016-09-07 | 盐城工学院 | Self-heat insulation aerated concrete building block and mortar for construction of building blocks |
| CN106045559A (en) * | 2016-06-02 | 2016-10-26 | 湖州汇能新材料科技有限公司 | Aerated concrete slab preparation method |
| CN106588077A (en) * | 2016-11-18 | 2017-04-26 | 固原开源节能建材有限公司 | Lightweight high-strength fly ash aerated concrete building block and preparation method thereof |
| CN107721454A (en) * | 2017-11-20 | 2018-02-23 | 陕西凝远新材料科技股份有限公司 | B02 grade light autoclaved sand aerated concrete fireproof insulation board and preparation method thereof |
| CN108585923A (en) * | 2018-04-24 | 2018-09-28 | 南京兴陶预制品有限责任公司 | A kind of autoclave aerated concrete building block and preparation method thereof |
| CN110240462A (en) * | 2019-07-02 | 2019-09-17 | 江苏宝鹏建筑工业化材料有限公司 | ALC plate and preparation method thereof, ALC plate mortar |
Non-Patent Citations (1)
| Title |
|---|
| 陈勇等: "《油田应用化学》", 31 January 2017, 重庆大学出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112341241A (en) * | 2020-11-30 | 2021-02-09 | 浙江开元新型墙体材料有限公司 | Ultra-low dry density autoclaved aerated concrete and production method thereof |
| CN112408930A (en) * | 2020-11-30 | 2021-02-26 | 浙江开元新型墙体材料有限公司 | Autoclaved aerated concrete B05-grade waterproof building block and preparation method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20200807 |