CN108609981A - A kind of concrete brick that heat insulation effect is good - Google Patents
A kind of concrete brick that heat insulation effect is good Download PDFInfo
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- CN108609981A CN108609981A CN201810385304.2A CN201810385304A CN108609981A CN 108609981 A CN108609981 A CN 108609981A CN 201810385304 A CN201810385304 A CN 201810385304A CN 108609981 A CN108609981 A CN 108609981A
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- silicon nitride
- nitride compound
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- heat insulation
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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
- C04B28/14—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 calcium sulfate 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
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
- C04B2201/32—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
-
- 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
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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- 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)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a kind of good concrete brick of heat insulation effect, raw material includes by weight：80 120 parts of calcined kaolin, 25 35 parts of building waste, 8 16 parts of cinder, 20 30 parts of silicon nitride compound, 20 30 parts of polyurethane resin, 130 150 parts of cement, 8 16 parts of land plaster, 10 20 parts of gangue, 8 16 parts of glass fibre, 10 20 parts of sepiolite powder, 10 20 parts of gravel, 24 parts of polyacrylonitrile-based carbon fibre, 24 parts of blanc fixe, 24 parts of calcium chloride, 80 140 parts of water.Silicon nitride compound is prepared using following technique：Urea, formaldehyde, water are uniformly mixed, regulation system pH value is 8 8.4, and nano-silicon nitride, butyl titanate, heating stirring is added, lecithin, N is added, N dimethylformamides stir evenly, and polyethylene ultrasonic disperse is added, filtering, washing, silicon nitride compound is obtained by filter residue and drying.
Description
Technical field
The present invention relates to the good concrete bricks of concrete brick technical field more particularly to a kind of heat insulation effect.
Background technology
Prepare construction wall concrete brick using building waste as the main aggregate that substitutes, can gather materials on the spot, source is sufficient, at
It is point single, performance is stable, protection soil, but this method, there is also certain problem is to be resolved, generally existing unit weight is big, protects
The technical problem of temp effect difference, it would be highly desirable to solve.
Invention content
Technical problems based on background technology, the present invention propose a kind of concrete brick that heat insulation effect is good, unit weight
It is small, good heat insulating, and also compression strength and flexural strength are excellent.
A kind of good concrete brick of heat insulation effect proposed by the present invention, raw material include by weight：Calcined kaolin 80-
120 parts, 25-35 parts of building waste, 8-16 parts of cinder, 20-30 parts of silicon nitride compound, 20-30 parts of polyurethane resin, cement
130-150 parts, 8-16 parts of land plaster, 10-20 parts of gangue, 8-16 parts of glass fibre, 10-20 parts of sepiolite powder, gravel 10-20
Part, 2-4 parts of polyacrylonitrile-based carbon fibre, 2-4 parts of blanc fixe, 2-4 parts of calcium chloride, 80-140 parts of water.
Preferably, silicon nitride compound is prepared using following technique：Urea, formaldehyde, water are uniformly mixed, regulation system pH
Value is 8-8.4, and nano-silicon nitride, butyl titanate is added, and lecithin, n,N-Dimethylformamide stirring is added in heating stirring
Uniformly, polyethylene ultrasonic disperse is added, filters, filter residue and drying is obtained silicon nitride compound by washing.
Preferably, in silicon nitride compound preparation process, urea, formaldehyde, water, nano-silicon nitride, butyl titanate, lecithin
Fat, N,N-dimethylformamide, polyethylene weight ratio be 24-28：8-16：120-160：20-24：0.4-0.8：4-8：30-
60：8-16.
Preferably, in silicon nitride compound preparation process, nano-silicon nitride, butyl titanate is added or is warming up to 80-90
DEG C stirring 15-25min.
Preferably, in silicon nitride compound preparation process, ultrasonic disperse 40-80min after polyethylene is added, ultrasonic temperature is
80-90℃。
Preferably, in silicon nitride compound preparation process, drying temperature is 55-65 DEG C.
In silicon nitride compound of the present invention, after urea is reacted with formaldehyde, under the cooperation of butyl titanate, uniformly combine
Nano silicon nitride silicon face, and the silanization of nano silicon nitride silicon face is further reacted with polyethylene, forms nucleocapsid, on the one hand
The dispersibility and stability of nano-silicon nitride can be enhanced, another aspect toughness is fabulous, high with the combination degree of polyurethane resin, system
Product unit weight is small, and compression strength is higher, good heat insulating.The present invention can largely utilize building waste, make the replacement of its recycled aggregate
Rate reaches 50%, greatly reduces the usage amount of concrete batching medium stone, and glass fibre, sepiolite powder, gravel, polypropylene
Itrile group carbon fiber coordinates, and has higher flexural strength, opposite production cost is relatively low, further reduces the cost；Silicon nitride is compound
Object is compounded with calcined kaolin, building waste, cinder, polyurethane resin, and not only compression strength is good, but also shrinking percentage is small, heat preservation
Performance is good.
Gained concrete brick of the invention need to only be prepared according to the method described above, often maintenance 10-15 days, and brick is various, can
It realizes solid, porous, hollow, there is flexible reinforcement manner, there is better structural behaviour, meet it applied to multilayer and small
Structural performance requirements in skyscraper.
Gained concrete brick compression strength >=7.8Mpa of the invention, flexural strength >=0.8Mpa, thermal coefficient≤0.036w/
(mk), heat transfer coefficient (120cm is thick)≤0.722w/ (m2K), dry shrinkage (express method)≤0.13%.
Specific implementation mode
In the following, technical scheme of the present invention is described in detail by specific embodiment.
Embodiment 1
A kind of concrete brick that heat insulation effect is good, raw material include：Calcined kaolin 80kg, building waste 35kg, cinder
8kg, silicon nitride compound 30kg, polyurethane resin 20kg, cement 150kg, land plaster 8kg, gangue 20kg, glass fibre
8kg, sepiolite powder 20kg, gravel 10kg, polyacrylonitrile-based carbon fibre 4kg, blanc fixe 2kg, calcium chloride 4kg, water 80kg.
Silicon nitride compound is prepared using following technique：28kg urea, 8kg formaldehyde, 160kg water are uniformly mixed, used
Three ethanoldiamine regulation system pH value are 8-8.4, and 20kg nano-silicon nitrides, 0.8kg butyl titanates is added, is warming up to 80 DEG C and stirs
25min is mixed, 4kg lecithin, 60kgN is added, dinethylformamide stirs evenly, and 8kg polyethylene ultrasonic disperses are added
80min, ultrasonic temperature are 80 DEG C, are filtered, washing, 65 DEG C are dried to obtain silicon nitride compound.
Embodiment 2
A kind of concrete brick that heat insulation effect is good, raw material include：Calcined kaolin 120kg, building waste 25kg, cinder
16kg, silicon nitride compound 20kg, polyurethane resin 30kg, cement 130kg, land plaster 16kg, gangue 10kg, glass fibre
16kg, sepiolite powder 10kg, gravel 20kg, polyacrylonitrile-based carbon fibre 2kg, blanc fixe 4kg, calcium chloride 2kg, water
140kg。
Silicon nitride compound is prepared using following technique：24kg urea, 16kg formaldehyde, 120kg water are uniformly mixed, used
Three ethanoldiamine regulation system pH value are 8-8.4, and 24kg nano-silicon nitrides, 0.4kg butyl titanates is added, is warming up to 90 DEG C and stirs
15min is mixed, 8kg lecithin, 30kgN is added, dinethylformamide stirs evenly, and 16kg polyethylene ultrasonic disperses are added
40min, ultrasonic temperature are 90 DEG C, are filtered, washing, 55 DEG C are dried to obtain silicon nitride compound.
Embodiment 3
A kind of concrete brick that heat insulation effect is good, raw material include：Calcined kaolin 90kg, building waste 32kg, cinder
10kg, silicon nitride compound 28kg, polyurethane resin 23kg, cement 145kg, land plaster 10kg, gangue 17kg, glass fibre
10kg, sepiolite powder 18kg, gravel 12kg, polyacrylonitrile-based carbon fibre 3.5kg, blanc fixe 2.5kg, calcium chloride 3.5kg,
Water 100kg.
Silicon nitride compound is prepared using following technique：27kg urea, 10kg formaldehyde, 150kg water are uniformly mixed, used
Three ethanoldiamine regulation system pH value are 8-8.4, and 21kg nano-silicon nitrides, 0.7kg butyl titanates is added, is warming up to 82 DEG C and stirs
22min is mixed, 5kg lecithin, 50kgN is added, dinethylformamide stirs evenly, and 10kg polyethylene ultrasonic disperses are added
70min, ultrasonic temperature are 82 DEG C, are filtered, washing, 62 DEG C are dried to obtain silicon nitride compound.
Embodiment 4
A kind of concrete brick that heat insulation effect is good, raw material include：Calcined kaolin 110kg, building waste 28kg, cinder
14kg, silicon nitride compound 22kg, polyurethane resin 27kg, cement 135kg, land plaster 14kg, gangue 13kg, glass fibre
14kg, sepiolite powder 12kg, gravel 18kg, polyacrylonitrile-based carbon fibre 2.5kg, blanc fixe 3.5kg, calcium chloride 2.5kg,
Water 120kg.
Silicon nitride compound is prepared using following technique：25kg urea, 14kg formaldehyde, 130kg water are uniformly mixed, used
Three ethanoldiamine regulation system pH value are 8-8.4, and 23kg nano-silicon nitrides, 0.5kg butyl titanates is added, is warming up to 88 DEG C and stirs
18min is mixed, 7kg lecithin, 40kgN is added, dinethylformamide stirs evenly, and 14kg polyethylene ultrasonic disperses are added
50min, ultrasonic temperature are 88 DEG C, are filtered, washing, 58 DEG C are dried to obtain silicon nitride compound.
Embodiment 5
A kind of concrete brick that heat insulation effect is good, raw material include：Calcined kaolin 100kg, building waste 30kg, cinder
12kg, silicon nitride compound 25kg, polyurethane resin 25kg, cement 140kg, land plaster 12kg, gangue 15kg, glass fibre
12kg, sepiolite powder 15kg, gravel 15kg, polyacrylonitrile-based carbon fibre 3kg, blanc fixe 3kg, calcium chloride 3kg, water
110kg。
Silicon nitride compound is prepared using following technique：26kg urea, 12kg formaldehyde, 140kg water are uniformly mixed, used
Three ethanoldiamine regulation system pH value are 8-8.4, and 22kg nano-silicon nitrides, 0.6kg butyl titanates is added, is warming up to 85 DEG C and stirs
20min is mixed, 6kg lecithin, 45kgN is added, dinethylformamide stirs evenly, and 12kg polyethylene ultrasonic disperses are added
60min, ultrasonic temperature are 85 DEG C, are filtered, washing, 60 DEG C are dried to obtain silicon nitride compound.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of good concrete brick of heat insulation effect, which is characterized in that its raw material includes by weight：Calcined kaolin 80-120
Part, 25-35 parts of building waste, 8-16 parts of cinder, 20-30 parts of silicon nitride compound, 20-30 parts of polyurethane resin, cement 130-
150 parts, 8-16 parts of land plaster, 10-20 parts of gangue, 8-16 parts of glass fibre, 10-20 parts of sepiolite powder, 10-20 parts of gravel,
2-4 parts of polyacrylonitrile-based carbon fibre, 2-4 parts of blanc fixe, 2-4 parts of calcium chloride, 80-140 parts of water.
2. the good concrete brick of heat insulation effect according to claim 1, which is characterized in that silicon nitride compound uses following work
It is prepared by skill：Urea, formaldehyde, water are uniformly mixed, regulation system pH value is 8-8.4, and nano-silicon nitride, butyl titanate is added,
Heating stirring, addition lecithin, n,N-Dimethylformamide stir evenly, and polyethylene ultrasonic disperse is added, filters, washs, will
Filter residue and drying obtains silicon nitride compound.
3. the good concrete brick of heat insulation effect according to claim 2, which is characterized in that silicon nitride compound preparation process
In, urea, formaldehyde, water, nano-silicon nitride, butyl titanate, lecithin, n,N-Dimethylformamide, the weight ratio of polyethylene
For 24-28：8-16：120-160：20-24：0.4-0.8：4-8：30-60：8-16.
4. according to the good concrete brick of heat insulation effect described in Claims 2 or 3, which is characterized in that silicon nitride compound prepares work
In skill, nano-silicon nitride, butyl titanate is added or is warming up to 80-90 DEG C of stirring 15-25min.
5. according to the good concrete brick of any one of the claim 2-4 heat insulation effects, which is characterized in that silicon nitride compound system
In standby technique, ultrasonic disperse 40-80min after polyethylene is added, ultrasonic temperature is 80-90 DEG C.
6. according to the good concrete brick of any one of the claim 2-5 heat insulation effects, which is characterized in that silicon nitride compound system
In standby technique, drying temperature is 55-65 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810385304.2A CN108609981A (en) | 2018-04-26 | 2018-04-26 | A kind of concrete brick that heat insulation effect is good |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810385304.2A CN108609981A (en) | 2018-04-26 | 2018-04-26 | A kind of concrete brick that heat insulation effect is good |
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| Publication Number | Publication Date |
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| CN108609981A true CN108609981A (en) | 2018-10-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810385304.2A Pending CN108609981A (en) | 2018-04-26 | 2018-04-26 | A kind of concrete brick that heat insulation effect is good |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109761574B (en) * | 2019-01-30 | 2021-10-19 | 滁州职业技术学院 | Compression-resistant heat-insulation concrete |
| CN114728850A (en) * | 2019-09-13 | 2022-07-08 | 益科技术有限公司 | Dry mixture for producing concrete, fresh concrete and method for producing fresh concrete |
Citations (5)
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| CN1935912A (en) * | 2006-10-13 | 2007-03-28 | 孙启明 | Nano ceramic high-temperature-resistant thermal-insulation coating, and its preparing method and use |
| CN103787625A (en) * | 2012-10-31 | 2014-05-14 | 深圳市爱思宝科技发展有限公司 | Sound insulation composite wall and floor board |
| CN105130368A (en) * | 2015-07-17 | 2015-12-09 | 卓达新材料科技集团有限公司 | Water-permeable floor material and preparation method thereof |
| CN105948812A (en) * | 2016-06-24 | 2016-09-21 | 李嘉 | Method for utilizing construction waste |
| CN107382367A (en) * | 2017-07-28 | 2017-11-24 | 望江县太慈新型建材有限公司 | A kind of method that common brick is prepared by municipal sludge |
-
2018
- 2018-04-26 CN CN201810385304.2A patent/CN108609981A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1935912A (en) * | 2006-10-13 | 2007-03-28 | 孙启明 | Nano ceramic high-temperature-resistant thermal-insulation coating, and its preparing method and use |
| CN103787625A (en) * | 2012-10-31 | 2014-05-14 | 深圳市爱思宝科技发展有限公司 | Sound insulation composite wall and floor board |
| CN105130368A (en) * | 2015-07-17 | 2015-12-09 | 卓达新材料科技集团有限公司 | Water-permeable floor material and preparation method thereof |
| CN105948812A (en) * | 2016-06-24 | 2016-09-21 | 李嘉 | Method for utilizing construction waste |
| CN107382367A (en) * | 2017-07-28 | 2017-11-24 | 望江县太慈新型建材有限公司 | A kind of method that common brick is prepared by municipal sludge |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109761574B (en) * | 2019-01-30 | 2021-10-19 | 滁州职业技术学院 | Compression-resistant heat-insulation concrete |
| CN114728850A (en) * | 2019-09-13 | 2022-07-08 | 益科技术有限公司 | Dry mixture for producing concrete, fresh concrete and method for producing fresh concrete |
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