CN106145813A - A kind of high-temperature-resistant thermal-insulation concrete - Google Patents
A kind of high-temperature-resistant thermal-insulation concrete Download PDFInfo
- Publication number
- CN106145813A CN106145813A CN201610486757.5A CN201610486757A CN106145813A CN 106145813 A CN106145813 A CN 106145813A CN 201610486757 A CN201610486757 A CN 201610486757A CN 106145813 A CN106145813 A CN 106145813A
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- China
- Prior art keywords
- parts
- water
- improved silica
- temperature
- resistant thermal
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Classifications
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- 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
- C04B28/04—Portland 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
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
Abstract
The invention discloses a kind of high-temperature-resistant thermal-insulation concrete, its raw material includes by weight: portland cement 100 parts, breeze 20 30 parts, silicon ash 10 20 parts, expanded perlite 20 40 parts, improved silica aeroge 40 60 parts, 80 100 parts of powder of pottery, rubble 250 350 parts, acrylic acid ester emulsion 14 16 parts, hydroxypropylcelluloether ether 12 parts, naphthalene series high-efficiency water-reducing agent 13 parts, hydrogenated nitrile-butadiene rubber rubber powder 12 parts, polypropylene fibre 12 parts, 28 32 parts of water.Thermal conductivity factor of the present invention is low, good heat insulating, and resistance to elevated temperatures is good, and mechanical performance is high.
Description
Technical field
The present invention relates to technical field of concrete, particularly relate to a kind of high-temperature-resistant thermal-insulation concrete.
Background technology
Concrete is the most artificial material of whole world consumption, is also of paramount importance building structure material simultaneously.?
In building, the concrete heat loss for peripheral structure is relatively big, and peripheral structure account for very big share in body of wall, institute
Be widely used with high-temperature-resistant thermal-insulation concrete material, but, current its heat-insulating property of high-temperature-resistant thermal-insulation concrete material and
Mechanical performance can not equalize, when increasing heat-insulating property, it is impossible to ensures the mechanical performance of concrete, it is therefore desirable to provides one
Plant new thermal insulation concrete.
Content of the invention
The technical problem existing based on background technology, the present invention proposes a kind of high-temperature-resistant thermal-insulation concrete, and the present invention leads
Hot coefficient is low, good heat insulating, and resistance to elevated temperatures is good, and mechanical performance is high.
A kind of high-temperature-resistant thermal-insulation concrete that the present invention proposes, its raw material includes by weight: portland cement 100 parts,
Breeze 20-30 part, silicon ash 10-20 part, expanded perlite 20-40 part, improved silica aeroge 40-60 part, make pottery powder 80-
100 parts, rubble 250-350 part, acrylic acid ester emulsion 14-16 part, hydroxypropylcelluloether ether 1-2 part, naphthalene series high-efficiency water-reducing agent 1-3
Part, hydrogenated nitrile-butadiene rubber rubber powder 1-2 part, polypropylene fibre 1-2 part, water 28-32 part.
Preferably, expanded perlite, improved silica aeroge, the particle diameter of pottery powder are 1-2mm.
Preferably, the particle diameter of rubble is 10-20mm.
Preferably, in the preparation process of improved silica aeroge, waterglass is mixed with water, add dodecyl
Sodium sulphate and basalt fibre, stirring, add aqueous hydrogen fluoride solution, stirring, stand and obtain intermediate material；Rinse intermediate with water
Material, is subsequently adding in ethanol immersion, dry, pulverize and obtain improved silica aeroge.
Preferably, in the preparation process of improved silica aeroge, waterglass is mixed with water, add dodecyl
Sodium sulphate and basalt fibre, with the speed stirring 30-40min of 300-500r/min, add mass fraction to be 5-7wt% fluorination
Aqueous solution of hydrogen, stirs 8-12min, stands and obtain intermediate material in 1-2 days；Rinse intermediate material 6-8 days with water, be subsequently adding ethanol
Middle immersion 3-4 days, is warming up to 50-60 DEG C, and vacuum drying is pulverized and obtained improved silica aeroge.
Preferably, in the preparation process of improved silica aeroge, water is distilled water.
Preferably, in the preparation process of improved silica aeroge, in intermediate material, waterglass, water, dodecyl
Sodium sulphate, basalt fibre, the weight of aqueous hydrogen fluoride solution are than for 8-12:16-20:0.2-0.3:0.4-0.5:7-9.
The preparation technology of the present invention is as follows: by portland cement, breeze, silicon ash, expanded perlite, improved silica gas
Gel, Tao Fen, rubble, hydrogenated nitrile-butadiene rubber rubber powder, polypropylene fibre are uniformly mixed so as to obtain material A；By acrylic acid ester emulsion, hydroxypropyl
The water of cellulose ether, naphthalene series high-efficiency water-reducing agent and 6 times on the basis of naphthalene series high-efficiency water-reducing agent weight mixes, and adds material A and remains
Remaining water mixes, and Cheng Mo, maintenance obtains high-temperature-resistant thermal-insulation concrete.
The present invention selects basalt fibre to be modified aerosil so that basalt fibre is evenly distributed on
In aerosil, considerably increase the mechanical performance of aerosil, and basalt fibre and silica
Aeroge is respectively provided with good heat-insulating property, thus considerably increases the heat-insulating property of aerosil；Expanded perlite,
The thermal conductivity factor of pottery powder is low, has good heat-insulating property and resistance to elevated temperatures, cooperates with improved silica aeroge,
The mechanical performance of the present invention while heat-insulating property being greatly increased the present invention and resistance to elevated temperatures, can be increased；Different grains
The expanded perlite in footpath, pottery powder and improved silica aeroge and rubble, breeze, silicon ash, hydrogenated nitrile-butadiene rubber rubber powder, cement
Match so that expanded perlite, pottery powder and improved silica aeroge are uniformly distributed, thus increase the present invention's further
Resistance to elevated temperatures, heat-insulating property and mechanical performance；Improved silica aeroge and polypropylene fibre, hydrogenated nitrile-butadiene rubber rubber powder
Cooperate, with each material compact siro spinning technology under the effect of acrylic acid ester emulsion and water, thus increase the machine of the present invention further
Tool performance；Each material cooperates, and increases heat insulating ability and the mechanical performance of the present invention.
Detailed description of the invention
Below, by specific embodiment, technical scheme is described in detail.
Embodiment 1
A kind of high-temperature-resistant thermal-insulation concrete, its raw material includes by weight: portland cement 100 parts, breeze 25 parts, silicon ash
15 parts, expanded perlite 30 parts, improved silica aeroge 50 parts, 90 parts of powder of making pottery, rubble 300 parts, acrylic acid ester emulsion 15
Part, hydroxypropylcelluloether ether 1.5 parts, naphthalene series high-efficiency water-reducing agent 2 parts, hydrogenated nitrile-butadiene rubber rubber powder 1.5 parts, polypropylene fibre 1.5
Part, 30 parts of water.
Embodiment 2
A kind of high-temperature-resistant thermal-insulation concrete, its raw material includes by weight: portland cement 100 parts, breeze 20 parts, silicon ash
20 parts, particle diameter is the expanded perlite 40 parts of 1mm, and particle diameter is the improved silica aeroge 60 parts of 1mm, and particle diameter is 1mm's
100 parts of powder of pottery, particle diameter is the rubble 350 parts of 10mm, and acrylic acid ester emulsion 14 parts, hydroxypropylcelluloether ether 2 parts, naphthalene series high-efficiency subtracts
1 part of aqua, hydrogenated nitrile-butadiene rubber rubber powder 2 parts, polypropylene fibre 1 part, 32 parts of water；
In the preparation process of improved silica aeroge, waterglass is mixed with distilled water, add dodecyl sulphur
Acid sodium and basalt fibre, with the speed stirring 40min of 300r/min, add mass fraction to be 5wt% aqueous hydrogen fluoride solution, stir
Mix 12min, stand and obtain intermediate material in 1 day, wherein, waterglass, distilled water, lauryl sodium sulfate, basalt fibre, fluorination
The weight of aqueous solution of hydrogen is than for 12:16:0.3:0.4:9；It with distilled water flushing intermediate material 6 days, is subsequently adding in ethanol immersion 4
My god, it is warming up to 50 DEG C, vacuum drying, pulverize and obtain improved silica aeroge.
Embodiment 3
A kind of high-temperature-resistant thermal-insulation concrete, its raw material includes by weight: portland cement 100 parts, breeze 30 parts, silicon ash
10 parts, particle diameter is the expanded perlite 20 parts of 2mm, and particle diameter is the improved silica aeroge 40 parts of 2mm, and particle diameter is 2mm's
80 parts of powder of pottery, particle diameter is the rubble 250 parts of 20mm, and acrylic acid ester emulsion 16 parts, hydroxypropylcelluloether ether 1 part, naphthalene series high-efficiency subtracts
3 parts of aqua, hydrogenated nitrile-butadiene rubber rubber powder 1 part, polypropylene fibre 2 parts, 28 parts of water；
In the preparation process of improved silica aeroge, waterglass is mixed with distilled water, add dodecyl sulphur
Acid sodium and basalt fibre, with the speed stirring 30min of 500r/min, add mass fraction to be 7wt% aqueous hydrogen fluoride solution, stir
Mix 8min, stand and obtain intermediate material in 2 days, wherein, waterglass, distilled water, lauryl sodium sulfate, basalt fibre, fluorination
The weight of aqueous solution of hydrogen is than for 8:20:0.2:0.5:7；It with distilled water flushing intermediate material 8 days, is subsequently adding in ethanol immersion 3
My god, it is warming up to 60 DEG C, vacuum drying, pulverize and obtain improved silica aeroge.
Embodiment 4
A kind of high-temperature-resistant thermal-insulation concrete, its raw material includes by weight: portland cement 100 parts, breeze 22 parts, silicon ash
17 parts, particle diameter is the expanded perlite 35 parts of 1mm, and particle diameter is the improved silica aeroge 55 parts of 1mm, and particle diameter is 1mm's
95 parts of powder of pottery, particle diameter is the rubble 330 parts of 12mm, acrylic acid ester emulsion 14.5 parts, hydroxypropylcelluloether ether 1.7 parts, and naphthalene system is high
Effect water reducer 1.5 parts, hydrogenated nitrile-butadiene rubber rubber powder 1.8 parts, polypropylene fibre 1.2 parts, 31 parts of water；
In the preparation process of improved silica aeroge, waterglass is mixed with distilled water, add dodecyl sulphur
Acid sodium and basalt fibre, with the speed stirring 38min of 350r/min, add mass fraction to be 5.5wt% aqueous hydrogen fluoride solution,
Stirring 11min, stands and obtains intermediate material in 1 day, wherein, and waterglass, distilled water, lauryl sodium sulfate, basalt fibre, fluorine
Change the weight ratio of aqueous solution of hydrogen for 11:17:0.27:0.42:8.5；It with distilled water flushing intermediate material 7 days, is subsequently adding ethanol
Middle immersion 4 days, is warming up to 52 DEG C, and vacuum drying is pulverized and obtained improved silica aeroge.
Embodiment 5
A kind of high-temperature-resistant thermal-insulation concrete, its raw material includes by weight: portland cement 100 parts, breeze 28 parts, silicon ash
13 parts, particle diameter is the expanded perlite 25 parts of 2mm, and particle diameter is the improved silica aeroge 45 parts of 2mm, and particle diameter is 2mm's
85 parts of powder of pottery, particle diameter is the rubble 270 parts of 18mm, acrylic acid ester emulsion 15.5 parts, hydroxypropylcelluloether ether 1.3 parts, and naphthalene system is high
Effect water reducer 2.5 parts, hydrogenated nitrile-butadiene rubber rubber powder 1.2 parts, polypropylene fibre 1.8 parts, 29 parts of water；
In the preparation process of improved silica aeroge, waterglass is mixed with distilled water, add dodecyl sulphur
Acid sodium and basalt fibre, with the speed stirring 32min of 450r/min, add mass fraction to be 6.5wt% aqueous hydrogen fluoride solution,
Stirring 9min, stands and obtains intermediate material in 2 days, wherein, and waterglass, distilled water, lauryl sodium sulfate, basalt fibre, fluorine
Change the weight ratio of aqueous solution of hydrogen for 9:19:0.23:0.48:7.5；It with distilled water flushing intermediate material 7 days, is subsequently adding in ethanol
Soak 3 days, be warming up to 58 DEG C, vacuum drying, pulverize and obtain improved silica aeroge.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto,
Any those familiar with the art in the technical scope that the invention discloses, according to technical scheme and
Inventive concept equivalent or change in addition, all should cover within protection scope of the present invention.
Claims (7)
1. a high-temperature-resistant thermal-insulation concrete, it is characterised in that its raw material includes by weight: portland cement 100 parts, breeze
20-30 part, silicon ash 10-20 part, expanded perlite 20-40 part, improved silica aeroge 40-60 part, powder 80-100 part of making pottery,
Rubble 250-350 part, acrylic acid ester emulsion 14-16 part, hydroxypropylcelluloether ether 1-2 part, naphthalene series high-efficiency water-reducing agent 1-3 part, hydrogen
Change nitrile rubber rubber powder 1-2 part, polypropylene fibre 1-2 part, water 28-32 part.
2. high-temperature-resistant thermal-insulation concrete according to claim 1, it is characterised in that expanded perlite, improved silica gas
Gel, the particle diameter of pottery powder are 1-2mm.
3. high-temperature-resistant thermal-insulation concrete according to claim 1 or claim 2, it is characterised in that the particle diameter of rubble is 10-20mm.
4. high-temperature-resistant thermal-insulation concrete according to any one of claim 1-3, it is characterised in that in improved silica airsetting
In the preparation process of glue, waterglass is mixed with water, add lauryl sodium sulfate and basalt fibre, stirring, add fluorination
Aqueous solution of hydrogen, stirring, stand and obtain intermediate material；Rinse intermediate material with water, be subsequently adding in ethanol immersion, dry, pulverize
Obtain improved silica aeroge.
5. high-temperature-resistant thermal-insulation concrete according to claim 4, it is characterised in that in the preparation of improved silica aeroge
During, waterglass is mixed with water, adds lauryl sodium sulfate and basalt fibre, stir with the speed of 300-500r/min
Mix 30-40min, add mass fraction to be 5-7wt% aqueous hydrogen fluoride solution, stir 8-12min, stand and obtain intermediate in 1-2 days
Material；Rinse intermediate material 6-8 days with water, be subsequently adding in ethanol immersion 3-4 days, be warming up to 50-60 DEG C, vacuum drying, pulverize
Obtain improved silica aeroge.
6. high-temperature-resistant thermal-insulation concrete according to claim 4, it is characterised in that in the preparation of improved silica aeroge
During, water is distilled water.
7. high-temperature-resistant thermal-insulation concrete according to claim 4, it is characterised in that in the preparation of improved silica aeroge
During, in intermediate material, waterglass, water, lauryl sodium sulfate, basalt fibre, the weight ratio of aqueous hydrogen fluoride solution are
8-12:16-20:0.2-0.3:0.4-0.5:7-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610486757.5A CN106145813A (en) | 2016-06-28 | 2016-06-28 | A kind of high-temperature-resistant thermal-insulation concrete |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610486757.5A CN106145813A (en) | 2016-06-28 | 2016-06-28 | A kind of high-temperature-resistant thermal-insulation concrete |
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| CN106145813A true CN106145813A (en) | 2016-11-23 |
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| CN201610486757.5A Pending CN106145813A (en) | 2016-06-28 | 2016-06-28 | A kind of high-temperature-resistant thermal-insulation concrete |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106699040A (en) * | 2017-03-05 | 2017-05-24 | 江苏华盛节能科技有限公司 | Silicon dioxide aerogel mortar and preparation method thereof |
| CN109336641A (en) * | 2018-12-17 | 2019-02-15 | 方期洲 | A kind of chemical reaction kettle heat insulating material for external and preparation method thereof |
| CN109488838A (en) * | 2018-11-01 | 2019-03-19 | 无锡市中舶远航环保科技有限公司 | A kind of thermal insulation material and its construction technology of steam pipeline |
| CN109503071A (en) * | 2018-11-30 | 2019-03-22 | 武汉城开新兴建材有限责任公司 | Clear-water concrete |
| CN110451860A (en) * | 2019-08-26 | 2019-11-15 | 厦门美益兴业建材有限公司 | A kind of energy-saving high-temperature-resistant concrete and preparation method thereof |
| CN113620645A (en) * | 2021-07-07 | 2021-11-09 | 海盐县秦山混凝土股份有限公司 | Temperature-resistant concrete and processing technology thereof |
| EP4269371A1 (en) * | 2022-04-07 | 2023-11-01 | Universität Duisburg-Essen | Reinforced high performance aerogel concrete |
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| CN103755302A (en) * | 2013-12-12 | 2014-04-30 | 纳诺科技有限公司 | Fiber reinforced TiO2-SiO2 aerogel composite material preparation method |
| CN104030301A (en) * | 2014-06-18 | 2014-09-10 | 金承黎 | Silicon dioxide aerogel material and preparation method thereof |
| CN104649625A (en) * | 2013-11-22 | 2015-05-27 | 吕孟龙 | Pre-cured alkali-activated inorganic coating material |
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- 2016-06-28 CN CN201610486757.5A patent/CN106145813A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104649625A (en) * | 2013-11-22 | 2015-05-27 | 吕孟龙 | Pre-cured alkali-activated inorganic coating material |
| CN103755302A (en) * | 2013-12-12 | 2014-04-30 | 纳诺科技有限公司 | Fiber reinforced TiO2-SiO2 aerogel composite material preparation method |
| CN104030301A (en) * | 2014-06-18 | 2014-09-10 | 金承黎 | Silicon dioxide aerogel material and preparation method thereof |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106699040A (en) * | 2017-03-05 | 2017-05-24 | 江苏华盛节能科技有限公司 | Silicon dioxide aerogel mortar and preparation method thereof |
| CN106699040B (en) * | 2017-03-05 | 2019-03-26 | 新华盛节能科技股份有限公司 | A kind of aerosil mortar and preparation method thereof |
| CN109488838A (en) * | 2018-11-01 | 2019-03-19 | 无锡市中舶远航环保科技有限公司 | A kind of thermal insulation material and its construction technology of steam pipeline |
| CN109488838B (en) * | 2018-11-01 | 2020-08-21 | 无锡市中舶远航环保科技有限公司 | Heat insulation material for steam pipeline and construction process thereof |
| CN109503071A (en) * | 2018-11-30 | 2019-03-22 | 武汉城开新兴建材有限责任公司 | Clear-water concrete |
| CN109336641A (en) * | 2018-12-17 | 2019-02-15 | 方期洲 | A kind of chemical reaction kettle heat insulating material for external and preparation method thereof |
| CN110451860A (en) * | 2019-08-26 | 2019-11-15 | 厦门美益兴业建材有限公司 | A kind of energy-saving high-temperature-resistant concrete and preparation method thereof |
| CN110451860B (en) * | 2019-08-26 | 2021-08-31 | 厦门美益兴业建材有限公司 | Energy-saving high-temperature-resistant concrete and preparation method thereof |
| CN113620645A (en) * | 2021-07-07 | 2021-11-09 | 海盐县秦山混凝土股份有限公司 | Temperature-resistant concrete and processing technology thereof |
| EP4269371A1 (en) * | 2022-04-07 | 2023-11-01 | Universität Duisburg-Essen | Reinforced high performance aerogel concrete |
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