CN104446190A - Thermal-insulation and anti-corrosion aerated brick and preparation method thereof - Google Patents

Abstract

The invention relates to a thermal-insulation and anti-corrosion aerated brick. The thermal-insulation and anti-corrosion aerated brick is prepared from the following raw materials in parts by weight: 0.5-0.7 part of sodium carbonate, 0.2-0.3 part of borax, 0.1-0.2 part of succinic acid, 0.2-0.4 part of nano-iron, 4-6 parts of brick slag powder, 4-5 parts of pottery sand, 0.2-0.3 part of hydroxypropyl methyl cellulose, 0.2-0.3 part of sugar calcium, 3-4 parts of calcite powder, 0.3-0.4 part of high-tenacity reclaimed rubber, 7-9 parts of salt gypsum, 50-60 parts of fly ash, 6-7 parts of aerated aluminum powder, 8-9 parts of cement, 9-11 parts of quicklime, 7-8 parts of modified coal ash and an appropriate amount of water. By using pottery sand and the high-tenacity reclaimed rubber in the aerated brick, the thermal-insulation property of the aerated brick is increased; by adding nano-iron, the strength and the anti-corrosion property of the aerated brick are increased; by adopting the modified coal ash, the thermal-insulation effect is enhanced, good water resistance and water-reducing effect are achieved and the environmental pollution is decreased.

Description

A kind of insulation antiseptic erosion aerated bricks and preparation method thereof

Technical field

The invention belongs to brick field, particularly relate to a kind of insulation antiseptic erosion 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 insulation antiseptic to lose aerated bricks and preparation method thereof, this aerated bricks good heat insulating, intensity is high, good corrosion resistance.

Technical scheme of the present invention is as follows:

A kind of insulation antiseptic erosion aerated bricks, is characterized in that being made up of the raw material of following weight part: sodium carbonate 0.5-0.7, borax 0.2-0.3, succinic acid 0.1-0.2, Nanoscale Iron 0.2-0.4, brick ground-slag end 4-6, pottery sand 4-5, Vltra tears 0.2-0.3, sugared calcium 0.2-0.3, calcite in powder 3-4, high-strength reclaimed rubber 0.3-0.4, bunt gypsum 7-9, flyash 50-60, aerating aluminium powder 6-7, cement 8-9, unslaked lime 9-11, modified coal 7-8, 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 insulation antiseptic erosion aerated bricks, is characterized in that comprising the following steps:

(1) by cement, unslaked lime, brick ground-slag end, pottery sand, bunt gypsum, calcite in powder, 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 10-11 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 employs pottery sand, high-strength reclaimed rubber, adds the heat-insulating property of aerated bricks; By adding Nanoscale Iron, add intensity and the corrosion resistance nature of aerated bricks; By using modified coal, enhancing effect of heat insulation, water-tolerant, decreasing environmental pollution, water-reducing effect is good simultaneously.

Embodiment

A kind of insulation antiseptic erosion aerated bricks, is made up of the raw material of following weight part (kilogram): sodium carbonate 0.6, borax 0.2, succinic acid 0.2, Nanoscale Iron 0.3, brick ground-slag end 5, pottery sand 4.5, Vltra tears 0.2, sugared calcium 0.3, calcite in powder 3.4, high-strength reclaimed rubber 0.3, bunt gypsum 8, flyash 55, aerating aluminium powder 6.5, cement 8.5, unslaked lime 10, modified coal 7.5, 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 insulation antiseptic erosion aerated bricks, comprises the following steps:

(1) by cement, unslaked lime, brick ground-slag end, pottery sand, bunt gypsum, calcite in powder, flyash mixing, send into grinding in ball grinder and become 200 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 177 DEG C, pressure reaches 13MPa, keeps constant 10 hours;

(4) let off steam equably in 1.8 hours, make the temperature of steam-cured indoor be down to 60 DEG C, go out still, place 28 days and get final product.

Experimental data:

The density of this aerated bricks is 620kg/m3, refractory temperature is 680 DEG C, thermal conductivity is 0.15W/(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 7.1Mpa, sound absorption coefficient 0.36.

Claims (2)

1. an insulation antiseptic erosion aerated bricks, is characterized in that being made up of the raw material of following weight part: sodium carbonate 0.5-0.7, borax 0.2-0.3, succinic acid 0.1-0.2, Nanoscale Iron 0.2-0.4, brick ground-slag end 4-6, pottery sand 4-5, Vltra tears 0.2-0.3, sugared calcium 0.2-0.3, calcite in powder 3-4, high-strength reclaimed rubber 0.3-0.4, bunt gypsum 7-9, flyash 50-60, aerating aluminium powder 6-7, cement 8-9, unslaked lime 9-11, modified coal 7-8, 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 insulation antiseptic erosion aerated bricks according to claim 1, is characterized in that comprising the following steps:

(1) by cement, unslaked lime, brick ground-slag end, pottery sand, bunt gypsum, calcite in powder, 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 10-11 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.