CN103979866B - A kind of containing Mayan indigo plant aerated bricks and preparation method thereof - Google Patents

Abstract

A kind of containing Mayan indigo plant aerated bricks, it is made up of the raw material of following weight portion: hydroxy carboxylic acid 1-2, aliphatic hydroxyl sulphonate high efficiency water reducing agent 0.5-1, cement 11-13, quick lime 14-16, modified sawdust 7-9, Gypsum Fibrosum 3-5, magnesium oxide 3-4, sericite in powder 4-6, sodium lauryl sulphate 0.7-1, SODIUM PERCARBONATE 0.3-0.6, flyash 60-70, NPE 0.4-0.6, Mayan indigo plant 2-4, aluminium powder cream 0.1-0.2, water are appropriate；Aerated bricks of the present invention is by using Mayan blue, it is possible to absorption harmful gas, purifies air；By using modified sawdust, reduce dry density and drying shrinkage value, and by the sawdust that used oil processes, improve the resistance to water of aerated bricks；By using sericite in powder, add the intensity of aerated bricks, it is possible to shielding ultraviolet rays, improve weatherability, postpone efflorescence, improve heat-resisting and antiseptic property, and this aerated bricks sound insulation, good heat-insulation effect.

Description

A kind of containing Mayan indigo plant aerated bricks and preparation method thereof

Technical field

The invention belongs to brick field, particularly relate to a kind of containing Mayan indigo plant aerated bricks and preparation method thereof.

Background technology

Aerated bricks also referred to as air-entrained concrete building block, application very extensive, be used primarily in the load-bearing wallings such as the materials for wall in machinery plant and civil buildings, infilled wall, floor and roof boarding and non-bearing material and filling enclosure wall around.

Current aerated bricks has become the leading products of building material industry, and country has progressively prohibitted the use of clay solid brick, is instead exactly air-entrained concrete building block gradually, steam-pressing brisk.

Aerated bricks have lightweight, thermal and insulating performance good, shock resistance is strong, good processability, has certain heat-resisting quantity, sound insulation value feature good, adaptable, can according to local different raw materials, different condition is carried out amount body and is surely made, raw material sources is extensive, optional river sand, flyash, ore in sand form etc., treatment in accordance with local conditions, it is possible to twice laid, environmental, really turn waste into wealth.

But it is as the development of building trade, building is more and more higher, moulding is more and more peculiar, require all to increase to the intensity of aerated bricks, density, shrinkage value, frost resistance etc., additionally improving constantly along with people's living standard, the requirement of environment is also more and more higher, the heat-insulating property of building, sound absorption qualities, radioactivity there are is higher requirement, even requires that building has the performance of body health benefits, therefore as required, the aerated bricks developing excellent performance more is imperative.

Summary of the invention

It is an object of the invention to provide a kind of containing Mayan indigo plant aerated bricks and preparation method thereof, this aerated bricks can adsorb harmful gas, purifies air dry density and drying shrinkage value is little, water-tolerant, sound insulation, good heat-insulation effect.

Technical scheme is as follows:

A kind of containing Mayan indigo plant aerated bricks, it is characterised in that to be made up of the raw material of following weight portion: hydroxy carboxylic acid 1-2, aliphatic hydroxyl sulphonate high efficiency water reducing agent 0.5-1, cement 11-13, quick lime 14-16, modified sawdust 7-9, Gypsum Fibrosum 3-5, magnesium oxide 3-4, sericite in powder 4-6, sodium lauryl sulphate 0.7-1, SODIUM PERCARBONATE 0.3-0.6, flyash 60-70, NPE 0.4-0.6, Mayan indigo plant 2-4, aluminium powder cream 0.1-0.2, water are appropriate；

Described modified sawdust is made up of the raw material of following weight portion: sepiolite cashmere 2-3, sawdust 10-13, aerosil 1-2, ureaformal dehyde resin glue 0.4-0.7, isophorone diisocyanate 0.8-1.2, triethylamine 0.06-0.09, containing hydrogen silicone oil 0.5-0.8, hydroxy silicon oil 0.5-0.8, copper sulfate 0.01-0.02, polyvinyl alcohol 0.5-1.2, potassium hydroxide 0.6-0.7, stearic acid 1-2, calcium chloride 1-2, flyash 3-5, OPE 0.8-1, used oil 1-1.5；Manufacture method is: sawdust powder is broken into 50-100 order granule, sprays into OPE, used oil while stirring, places 5-7 hour, then mix with other residual componentss after mix homogeneously, and heating is to 75-80 DEG C, and dispersion is ground 20-30 minute, to obtain final product.

The described preparation method containing Mayan indigo plant aerated bricks, it is characterised in that comprise the following steps:

(1) by cement, quick lime, Gypsum Fibrosum, magnesium oxide, flyash mixing, send into grinding in ball grinder and become 50-100 order granule, then mix with the composition except aluminium powder cream, it is that 0.57-0.58 adds water by ratio of water to material, stir, add aluminium powder cream, be uniformly mixing to obtain slurry；

(2) slurry that (1st) step obtains is poured in mould, obtain brick idiosome；

(3) brick idiosome being put into steam-cured still and carry out evacuation, then passed into steam in 1.7-1.9 hour equably, make the temperature of steam-cured indoor rise to 170-180 DEG C, pressure reaches 11-13MPa, keeps constant 10-12 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 effects of the present invention

Aerated bricks of the present invention is by using Mayan blue, it is possible to absorption harmful gas, purifies air；By using modified sawdust, reduce dry density and drying shrinkage value, and by the sawdust that used oil processes, improve the resistance to water of aerated bricks；By using sericite in powder, add the intensity of aerated bricks, it is possible to shielding ultraviolet rays, improve weatherability, postpone efflorescence, improve heat-resisting and antiseptic property, and this aerated bricks sound insulation, good heat-insulation effect.

Detailed description of the invention

A kind of containing Mayan indigo plant aerated bricks, it is made up of the raw material of following weight portion (kilogram): hydroxy carboxylic acid 1.5, aliphatic hydroxyl sulphonate high efficiency water reducing agent 0.7, cement 12, quick lime 15, modified sawdust 8, Gypsum Fibrosum 4, magnesium oxide 3.5, sericite in powder 5, sodium lauryl sulphate 0.9, SODIUM PERCARBONATE 0.5, flyash 65, NPE 0.5, Mayan indigo plant 3, aluminium powder cream 0.15, water are appropriate；

Described modified sawdust is made up of the raw material of following weight portion (kilogram): sepiolite cashmere 2.5, sawdust 12, aerosil 1.5, ureaformal dehyde resin glue 0.5, isophorone diisocyanate 1, triethylamine 0.07, containing hydrogen silicone oil 0.7, hydroxy silicon oil 0.7, copper sulfate 0.02, polyvinyl alcohol 0.8, potassium hydroxide 0.6, stearic acid 1.5, calcium chloride 1.5, flyash 4, OPE 0.9, used oil 1.3；Manufacture method is: sawdust powder is broken into 80 order granules, sprays into OPE, used oil while stirring, places 6 hours, then mix with other residual componentss after mix homogeneously, and heating is to 78 DEG C, and dispersion is ground 25 minutes, to obtain final product.

The described preparation method containing Mayan indigo plant aerated bricks, comprises the following steps:

(1) by cement, quick lime, Gypsum Fibrosum, magnesium oxide, flyash mixing, send into grinding in ball grinder and become 70 order granules, then mix with the composition except aluminium powder cream, be 0.57 addition water by ratio of water to material, stir, add aluminium powder cream, be uniformly mixing to obtain slurry；

(2) slurry that (1st) step obtains is poured in mould, obtain brick idiosome；

(3) brick idiosome being put into steam-cured still and carry out evacuation, then passed into steam in 1.8 hours equably, make the temperature of steam-cured indoor rise to 176 DEG C, pressure reaches 12MPa, 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 29 days and get final product.

Experimental data:

The density of this aerated bricks is 623kg/m3, refractory temperature is 689 DEG C, heat conductivity is 0.15W/ (m DEG C), adopt shower nozzle respectively to clay tile wall thick for 240mm and aerating brick wall spray, clay tile wall all soaked into after 12 hours, after aerating brick wall sprays 72 hours, the infiltration degree of depth is 90mm, and comprcssive strength is 5.9Mpa, acoustic absorptivity 0.38.

Claims (2)

1. one kind containing Mayan indigo plant aerated bricks, it is characterised in that be made up of the raw material of following weight portion: hydroxy carboxylic acid 1-2, aliphatic hydroxyl sulphonate high efficiency water reducing agent 0.5-1, cement 11-13, quick lime 14-16, modified sawdust 7-9, Gypsum Fibrosum 3-5, magnesium oxide 3-4, sericite in powder 4-6, sodium lauryl sulphate 0.7-1, SODIUM PERCARBONATE 0.3-0.6, flyash 60-70, NPE 0.4-0.6, Mayan indigo plant 2-4, aluminium powder cream 0.1-0.2, water are appropriate；

Described modified sawdust is made up of the raw material of following weight portion: sepiolite cashmere 2-3, sawdust 10-13, aerosil 1-2, ureaformal dehyde resin glue 0.4-0.7, isophorone diisocyanate 0.8-1.2, triethylamine 0.06-0.09, containing hydrogen silicone oil 0.5-0.8, hydroxy silicon oil 0.5-0.8, copper sulfate 0.01-0.02, polyvinyl alcohol 0.5-1.2, potassium hydroxide 0.6-0.7, stearic acid 1-2, calcium chloride 1-2, flyash 3-5, OPE 0.8-1, used oil 1-1.5；Manufacture method is: sawdust powder is broken into 50-100 order granule, sprays into OPE, used oil while stirring, places 5-7 hour, then mix with other residual componentss after mix homogeneously, and heating is to 75-80 DEG C, and dispersion is ground 20-30 minute, to obtain final product.

2. the preparation method containing Mayan indigo plant aerated bricks according to claim 1, it is characterised in that comprise the following steps:

(1) by cement, quick lime, Gypsum Fibrosum, magnesium oxide, flyash mixing, send into grinding in ball grinder and become 50-100 order granule, then mix with the composition except aluminium powder cream, it is that 0.57-0.58 adds water by ratio of water to material, stir, add aluminium powder cream, be uniformly mixing to obtain slurry；

(2) slurry that (1st) step obtains is poured in mould, obtain adobe body；

(3) adobe body being put into steam-cured still and carry out evacuation, then passed into steam in 1.7-1.9 hour equably, make the temperature of steam-cured indoor rise to 170-180 DEG C, pressure reaches 11-13MPa, keeps constant 10-12 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.