CN104446611A - Heat-insulating and sound-absorbing aerated brick and preparation method thereof - Google Patents
Heat-insulating and sound-absorbing aerated brick and preparation method thereof Download PDFInfo
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- CN104446611A CN104446611A CN201410633982.8A CN201410633982A CN104446611A CN 104446611 A CN104446611 A CN 104446611A CN 201410633982 A CN201410633982 A CN 201410633982A CN 104446611 A CN104446611 A CN 104446611A
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- 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
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Abstract
The invention discloses a heat-insulating and sound-absorbing aerated brick, which is prepared from the following raw materials in parts by weight: 3-5 parts of bauxite clinker, 6-7 parts of calcium silicate, 3-5 parts of expanded perlite powder, 6-7 parts of gypsum, 40-50 parts of flyash, 7-8 parts of aerated aluminite powder, 9-11 parts of cement, 11-13 parts of quicklime, 2-3 parts of waste foam particles, 7-9 parts of modified coal ashes, 1-2 parts of metasilicic acid, 2-4 parts of calcium carbonate powder, 5-6 parts of mineral cotton and a proper amount of water. According to the aerated brick disclosed by the invention, through use of the mineral cotton and the expanded perlite powder, the heat insulation and sound absorption effects of the aerated brick are increased; meanwhile, the strength, the abrasive resistance, the fire resistance, the heat retaining property and the dimensional stability are simultaneously improved; the heat-insulating and sound-absorbing aerated brick is energy-saving, environment-friendly, good in development prospect; through use of the modified flyash, the heat insulation effect is enhanced, the water resistance is good, the environmental pollution is reduced, and meanwhile, the water reducing effect is good.
Description
Technical field
The invention belongs to brick field, particularly relate to a kind of adiabatic sound absorption aerated bricks and preparation method thereof.
Background technology
Aerated bricks is also called air-entrained concrete building block, application very extensive, is mainly used in the load-bearing wallings such as the materials for wall in machinery plant and covil construction, infilled wall, floor and roof boarding and non-bearing material and filling enclosure wall around.
Current aerated bricks has become the leading product of building material industry, and country progressively prohibits the use clay solid brick, is instead exactly air-entrained concrete building block gradually, autoclaved brick.
Aerated bricks have lightweight, thermal and insulating performance good, shock resistance is strong, good processability, have certain high thermal resistance, good, the adaptable feature of sound-proofing properties, can according to the different starting material in locality, different condition is carried out amount body and is surely made, raw material sources is extensive, river sand, flyash, ore in sand form etc. can be selected, suit measures to local conditions, can be salvaged, environmental, really turn waste into wealth.
But along with the development of building trade, buildings is more and more higher, moulding is more and more peculiar, require all to increase to the intensity, density, shrinkage value, frost resistance etc. of aerated bricks, improving constantly in addition along with people's living standard, also more and more higher to the requirement of environment, there is higher requirement to the heat-insulating property of buildings, sound absorption qualities, radioactivity, even require that buildings has the performance of body health benefits, therefore as required, the aerated bricks developing excellent performance is more imperative.
Summary of the invention
The object of the present invention is to provide a kind of adiabatic sound absorption aerated bricks and preparation method thereof, this aerated bricks have thermal insulation, sound-absorbing effect is good, intensity is high, wear resistance is good, fire-resistant, good heat preservation performance, good stability of the dimension, energy-conserving and environment-protective advantage.
Technical scheme of the present invention is as follows:
A kind of adiabatic sound absorption aerated bricks, is characterized in that being made up of the raw material of following weight part: bauxite 3-5, Calucium Silicate powder 6-7, swelling perlite powder 3-5, gypsum 6-7, flyash 40-50, aerating aluminium powder 7-8, cement 9-11, unslaked lime 11-13, waste foam particle 2-3, modified coal 7-9, metasilicic acid 1-2, Paris white 2-4, slag wool 5-6, water are appropriate;
Described modified coal is made up of the raw material of following weight part: coal ash 13-15, lithium silicate 0.5-0.7, magnesium silicofluoride 1-2, aluminum stearate 0.5-0.7, sugared calcium 0.5-0.8, glycidyl methacrylate 0.5-0.7, Diisopropyl azodicarboxylate 0.1-0.2, acrylate 1-1.3, tea seed cake 1-2, multicellular glass powder 1-2, high-efficiency water-reducing agent of poly-carboxylic acid 2-3, kautschin 0.4-0.7, flyash 2-4, calcium sulfite 0.5-0.7, used oil 2-3; Making method is: coal ash, tea seed cake powder are broken into 100-200 order particle, spray into kautschin, used oil, aluminum stearate while stirring, mixes rear placement 5-7 hour, mix with other remaining components again, be heated to 75-80 DEG C, dispersion grinding 30-40 minute, obtain final product.
The preparation method of described thermal insulation sound absorption aerated bricks, is characterized in that comprising the following steps:
(1) by cement, bauxite, Calucium Silicate powder, Paris white, swelling perlite powder, unslaked lime, gypsum, flyash mixing, send into grinding in ball grinder and become 100-200 order particle, mix with the composition except aerating aluminium powder again, be that 0.57-0.58 adds water by ratio of water to material, stir, add aerating aluminium powder again, stir and obtain slurry;
(2) slurry that (1) step obtains is poured in mould, obtain brick idiosome;
(3) brick idiosome is put into steam-cured still to vacuumize, then in 1.7-1.9 hour, pass into steam equably, make the temperature of steam-cured indoor rise to 170-180 DEG C, pressure reaches 11-13MPa, keeps constant 9-12 hour;
(4) let off steam equably in 1.7-1.9 hour, make the temperature of steam-cured indoor be down to less than 70 DEG C, go out still, place 28-30 days and get final product.
Beneficial effect of the present invention
Aerated bricks of the present invention, by using slag wool, swelling perlite powder, adds the thermal insulation of aerated bricks, sound-absorbing effect, improves intensity, wear resistance, resistivity against fire, heat retaining property and dimensional stability, energy-conserving and environment-protective, good development prospect simultaneously; By using modified coal, enhancing effect of heat insulation, water-tolerant, decreasing environmental pollution, water-reducing effect is good simultaneously.
Embodiment
A kind of adiabatic sound absorption aerated bricks, is made up of the raw material of following weight part (kilogram): bauxite 4, Calucium Silicate powder 6.5, swelling perlite powder 4, gypsum 6.5, flyash 45, aerating aluminium powder 7.5, cement 10, unslaked lime 12, waste foam particle 2.4, modified coal 8, metasilicic acid 1.5, Paris white 3, slag wool 5.5, water are appropriate;
Described modified coal is made up of the raw material of following weight part (kilogram): coal ash 14, lithium silicate 0.6, magnesium silicofluoride 1.5, aluminum stearate 0.6, sugared calcium 0.6, glycidyl methacrylate 0.6, Diisopropyl azodicarboxylate 0.1, acrylate 1.2, tea seed cake 1.5, multicellular glass powder 1.5, high-efficiency water-reducing agent of poly-carboxylic acid 2.5, kautschin 0.6, flyash 3, calcium sulfite 0.6, used oil 2.6; Making method is: coal ash, tea seed cake powder are broken into 160 order particles, spray into kautschin, used oil, aluminum stearate while stirring, mix rear placement 6 hours, then mix with other remaining components, be heated to 78 DEG C, dispersion grinding 36 minutes, to obtain final product.
The preparation method of described thermal insulation sound absorption aerated bricks, comprises the following steps:
(1) by cement, bauxite, Calucium Silicate powder, Paris white, swelling perlite powder, unslaked lime, gypsum, flyash mixing, send into grinding in ball grinder and become 150 order particles, mix with the composition except aerating aluminium powder again, be 0.57 add water by ratio of water to material, stir, add aerating aluminium powder again, stir and obtain slurry;
(2) slurry that (1) step obtains is poured in mould, obtain brick idiosome;
(3) brick idiosome is put into steam-cured still to vacuumize, then in 1.8 hours, pass into steam equably, make the temperature of steam-cured indoor rise to 176 DEG C, pressure reaches 11MPa, keeps constant 11 hours;
(4) let off steam equably in 1.8 hours, make the temperature of steam-cured indoor be down to 70 DEG C, go out still, place 28 days and get final product.
Experimental data:
The density of this aerated bricks is 590kg/m3, refractory temperature is 730 DEG C, thermal conductivity is 0.12W/(m DEG C), adopt showerhead respectively to the thick clay tile wall of 240mm and aerating brick wall spray, clay tile wall all soaked into after 12 hours, the aerating brick wall degree of depth that seeps water after spraying 72 hours is 70mm, and ultimate compression strength is 7.4Mpa, sound absorption coefficient 0.47.
Claims (2)
1. an adiabatic sound absorption aerated bricks, is characterized in that being made up of the raw material of following weight part: bauxite 3-5, Calucium Silicate powder 6-7, swelling perlite powder 3-5, gypsum 6-7, flyash 40-50, aerating aluminium powder 7-8, cement 9-11, unslaked lime 11-13, waste foam particle 2-3, modified coal 7-9, metasilicic acid 1-2, Paris white 2-4, slag wool 5-6, water are appropriate;
Described modified coal is made up of the raw material of following weight part: coal ash 13-15, lithium silicate 0.5-0.7, magnesium silicofluoride 1-2, aluminum stearate 0.5-0.7, sugared calcium 0.5-0.8, glycidyl methacrylate 0.5-0.7, Diisopropyl azodicarboxylate 0.1-0.2, acrylate 1-1.3, tea seed cake 1-2, multicellular glass powder 1-2, high-efficiency water-reducing agent of poly-carboxylic acid 2-3, kautschin 0.4-0.7, flyash 2-4, calcium sulfite 0.5-0.7, used oil 2-3; Making method is: coal ash, tea seed cake powder are broken into 100-200 order particle, spray into kautschin, used oil, aluminum stearate while stirring, mixes rear placement 5-7 hour, mix with other remaining components again, be heated to 75-80 DEG C, dispersion grinding 30-40 minute, obtain final product.
2. the preparation method of thermal insulation sound absorption aerated bricks according to claim 1, is characterized in that comprising the following steps:
(1) by cement, bauxite, Calucium Silicate powder, Paris white, swelling perlite powder, unslaked lime, gypsum, flyash mixing, send into grinding in ball grinder and become 100-200 order particle, mix with the composition except aerating aluminium powder again, be that 0.57-0.58 adds water by ratio of water to material, stir, add aerating aluminium powder again, stir and obtain slurry;
(2) slurry that (1) step obtains is poured in mould, obtain brick idiosome;
(3) brick idiosome is put into steam-cured still to vacuumize, then in 1.7-1.9 hour, pass into steam equably, make the temperature of steam-cured indoor rise to 170-180 DEG C, pressure reaches 11-13MPa, keeps constant 9-12 hour;
(4) let off steam equably in 1.7-1.9 hour, make the temperature of steam-cured indoor be down to less than 70 DEG C, go out still, place 28-30 days and get final product.
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CN104446611B CN104446611B (en) | 2016-06-29 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105330219A (en) * | 2015-12-01 | 2016-02-17 | 武汉大学 | Biomass power plant ash-based autoclaving-free aerated concrete sound absorbing and insulating brick and preparation method thereof |
CN107379252A (en) * | 2017-06-29 | 2017-11-24 | 马鞍山市恒达轻质墙体材料有限公司 | A kind of process units of aerated bricks slurry |
CN107857532A (en) * | 2017-10-25 | 2018-03-30 | 成都圻坊生物科技有限公司 | A kind of high-strength insulation acoustical absorption wall material |
CN115611609A (en) * | 2022-11-14 | 2023-01-17 | 国能龙源环保有限公司 | Method for preparing water permeable brick by utilizing waste wind power blades |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002006182A1 (en) * | 2000-07-14 | 2002-01-24 | Davco Construction Materials Pty Limited | Mortar composition and method |
CN1426976A (en) * | 2001-12-19 | 2003-07-02 | 吕占祥 | Construction material additional agant containing chromium-silicate and construction material containing said additional agent |
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2014
- 2014-11-12 CN CN201410633982.8A patent/CN104446611B/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002006182A1 (en) * | 2000-07-14 | 2002-01-24 | Davco Construction Materials Pty Limited | Mortar composition and method |
CN1426976A (en) * | 2001-12-19 | 2003-07-02 | 吕占祥 | Construction material additional agant containing chromium-silicate and construction material containing said additional agent |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105330219A (en) * | 2015-12-01 | 2016-02-17 | 武汉大学 | Biomass power plant ash-based autoclaving-free aerated concrete sound absorbing and insulating brick and preparation method thereof |
CN107379252A (en) * | 2017-06-29 | 2017-11-24 | 马鞍山市恒达轻质墙体材料有限公司 | A kind of process units of aerated bricks slurry |
CN107857532A (en) * | 2017-10-25 | 2018-03-30 | 成都圻坊生物科技有限公司 | A kind of high-strength insulation acoustical absorption wall material |
CN115611609A (en) * | 2022-11-14 | 2023-01-17 | 国能龙源环保有限公司 | Method for preparing water permeable brick by utilizing waste wind power blades |
CN115611609B (en) * | 2022-11-14 | 2023-03-10 | 国能龙源环保有限公司 | Method for preparing water permeable brick by utilizing waste wind power blades |
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